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PAT-Dri l 203PATWATER WELL DRILLING MACHINESPAT-Drill 201A PAT-Drill 203 PAT-Drill 301APAT-Drill 301APRICE LIST 2000PAT-Drill 301/2000PAT-Drill 401LC-PTONEW MODEL301/2000PAT-Drill 401Printed Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

OUR COMPANYPage 1In 1986, we established Promotion of Appropriate Technology Co.ltd. to provide low cost, low technologyequipment for use in rural areas. Since then, PAT drilling rigs are working effectively in remote, ruggedareas throughout Asia and Africa.Our company utilizes its profits mainly in research, desing and development of appropriate technologyproducts.We have a ploicy of strong committment to our customers worldwide; based on field experience, ourengineering staff is constantly improving on the design and performance of our systems.PAT rigs come complete with all necessary drilling equipment, tools, spare parts and consumables.A full line of accessories is available.PAT has easy acces to international transport facilities via Bangkok.Our teams organise training sessions all over the world.Action Contre la Faim, Adventist Development and Relief Agency, Action Nord Sud, CARE, CONCERN,GRET, International Rescue Comittee, International Comittee of the Red Cross, Medecins Sans Frontieres,PRASAC, UNICEF, UNDP, UNHCR, USAID, World Concern, and many others are drilling with PAT rigsin Laos, Cambodia, Myanmar; Thailand, Kenya, Southern Sudan, Angola, Tanzania and elsewhere.In many countries, government ministeries and private companies have invested in our products.Printed Matter / Price. No.2

Page 2OUR DRILLING RIGSPAT 201A : a drilling rig at low costdrills to 60 meters in soft soils andcan be transported by hand to themost remote sites.PAT 203 : the first hydraulic model,equipped with Down The HoleHammer capacity.PAT 301A : a well-equippedlight weight system, with adrilling capacity to 100 metersin a variety of geologic settingsNEW MODELPAT 301/2000 : new improved modelof PAT 301A , more efficiency, directresult of the field experience ofPAT Engineering Staff worldwidePAT 401 LC-PTO : a compact set mounted on a pickupwith Power Take-Off systemPrinted Matter / Price. No.2

Page 3PAT DRILLING RIGS PROPERTIESDescription 201A 203 301A 301/2000 401 LC-PTOPhysical informationalluvial, soil, all kinds all kinds all kinds all kindsclayDrill depth 0-60 m. 0-60 m. 0-100 m. 0-120 m. 0-120 m.Borehole diameter in alluvial 3 ½” – 6 ½” 4” – 6 ½” 4” – 8” 4” – 9” 4” – 9”Drilling by Direct rotary, mudflushingBorehole diameter in hard rock No recommend 3 ½” – 4 ½” 4 ½ ” – 6” 4 ½ ” – 6” 4 ½ ” – 6”Drilling by Down The HoleHammer (DTH), air flushing.Moving system itself No Tail trailer Tail trailer Tail trailer YesRig assemblySeparate kits3 engines driveSeparate kits3-4 engines driveSeparate kits3-4 engines driveSeparate kits3-4 engines drive1 unit1 engine driveDrill system and operation Manually Hydraulic Hydraulic Hydraulic HydraulicTruck - - - - 4x4WD TruckToyota Landcruiser-without truckPrices, standard complete set(USD) to be confirmed.Mud rotary drilling onlyMud and Air drillingShipping information12,000 16,000-47,0001.1 Ton, Complete, one3 m 3 20 ft container25,50059,200Complete, one20 ft container26,90060,500Complete, one20 ft container45,50077,900Complete, one40 ft container• These prices are useful for budget estimation only.• The above information is for introduction, please contact us for more information.Printed Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

Page 4PAT DRILLING RIGS SPECIFICATIONSDescription 201A 203 301A301/2000401 LC-PTOROTATION engine driven hyd. driven hyd. driven hyd. drivenGear box 24.16:1 3.375:1 3.875:1 4.75:1 4.75:1Torque max 20.18kg-m 102.55kg-m 185.67kg-m 227.60kg-mSpeed max 120rpm 60rpm 30rpm 0-30rpmPULL UPCapacity manual 2063.07kg 3813.09kgSpeed 12.25m/min 12.53m/minPULL DOWNCapacity manual 2063.07kg 3813.09kgSpeed 12.25m/min 12.53m/minFEEDSpeed manual 1.01m/min 1.87m/minDRILL PIPEDiameter 50mm. 60mm. 76mm. 76mm.Length 1.5m. 1.5m. 2.0m. 2.0mMUD PUMP engine driven engine driven engine driven hyd drivenPowerCapacity11hp petrol*10 hp diesel1330L/min2bar*960L/min4bar13hp petrol*10 hp diesel1330L/min2bar*960L/min4bar13hp petrol*10 hp diesel1330L/min2bar*960L/min4bar960L/min4bar960L/min4barROTARY DRILLBit size 3 ½” – 8” 4” – 8” 4” – 8” 4” – 10”AIR DRILLINGHammer - 3”-4” hammer 3”-4” hammer 4”-5” hammerButton Bit size - 90-100 mm, 90-150 mm. 90-165 mm115mmAir compressor - XA-125/175XA-146/186XA-175 *(H)XA-186,*XAH-146Pressure - 8 bar 8-*12bar 8-*12barFOAM - engine driven engine driven hyd. drivenPower - 3.8hp petrol 3.8hp petrol*4.0hp diesel *4.0hp dieselCapacity - 15L/min 15L/min 10L./minPressure - 30bar 30bar 30barHYDRAULIC SYSTEM - 1pump3pumps1circuit4circuitsrotary-pull/feedall systemWEIGHT (rig) withoutdrill accessoriesACCESSORIES1pump1circuitrotary-pull/feednew improved allsystems for the301/2000125kg 250kg 301A: 330kg301/2000: 270kgground anchorageframe support4”hand augerground anchorageframe support4”hand auger*enable to mountedon truckground anchorageframe support4”hand auger2drill pipe keydrill pipe rackrig casing clampXA-175 *(H)XA-186, *XAH-1461250kghyd. break-out4stabilizer jack4extent footing2night light2drill pipe keyrig casing clamptools box* (option)! The manufacture reserves the right to make modification without prior notice.Printed Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

PAT-Drill 201APortable Rotary Drilling Machine, improved model in 1997Page 5PAT-Drill 201A, Drilling unit basic rigA manually operated, Light weight, Portable Drilling machineenable to drill bore hole up to 60 meter depth and 6 1/2" to 8"in diameter. The compete set capable of transport by a one tonpick up truck, easy to assembly and disassembly in drill-site, canbe operated by 3 operaters.Mud pump setThe Mud pump set is mounted on a steel skid, powered by a 11 HP.gasoline engine, and mechanicallly driven by 2 V-Belts. The pump is4" centrifugal, self priming. to be mounted 2 Gate valves and Handprimer pump. The unit complete with all Hoses, 3" Suction, 1 1/2"Injection and Drain Hose.Pump Displacement : 480 gpm. at 10 m.Skid unit weight : 110 kg"s.Borehole Development Compressor setThe borehole development compressor is mounted on a steel skid,powered 11 HP. gasoline engine, and mechanically driven by 2 V-Belts.PAT offer an available flexible rubber hose system with an attacheddevelopment probe, which is mounted on a steel stand.Compressor displacement : 16.32 CFM.Skid weight : 105 kg"s.Flexible Hose Line System with Reel Stand is 1/2" x 5 metre flexible rubberhose with connections from reel stand to borehole development compress.And 1/2" x 50 metre (or 80 metre) flexible rubber hose with conncectionand attached development probe.Net weight : 60 kg"s (for 50 metre) and 86 kg"s (for 80 metre)The complete set of PAT-Drill 201A full option are comprising of- 201A- Drilling unit basic rig.- Mud pump set.- Borehole development compressor set.- Drill accessories and Tools; Drill pipes set, Drill Drag Bits,package of Hand tools.- Spare parts; estimate for 1 years operation.Printed Matter / Price. No.2The PAT-Drill 201A is the right choice for Government, United Nations, and Non-Governmental (NGO) organizationslooking for appropriate and low cost drilling equipment to provide domestic water supplies to rural villagecommunities at an economical price.

PAT-Drill 201ADrill pipes setBasic unit includes 40, 1.50 meter long, 50 mm. out side diameterfor model PAT-Drill 201A and 43 mm. for model PAT-Drill 201,high tensile drill stem, enabling drilling to a depth of 60 meters.Drill Drag Bits setTungsten Carbide Drill Drag BitsDrilling heads are available in a diameter range up to 8 inch,three wings step type. Reamers are also available. Suitable fordrilling in alluvial soil as well as rock.Drilling unitPower Mast KitThe three mast derrick is 2.90 m. high and is made from hi-quality steelpipe. Two hand winchs are mounted to enable pull-up, or pull-down.On-site set up is less than haft an hour.Top Head DriveIt is powered by a 5 hp., gasoline HONDA engine directly linked to a 24:1gearbox with a centrifugal clutch transmission providing a drill rotationspeed of 120 rpm., and 198 N-m. torque.Break-out RachetSimple reversible rachet for disconnecting drill pipes.Water Swivel (new design for PAT-Drill 201A)Proven swivel design for pumping water into rotating drill stems.The swivel unit has good quality seals and bearings that are accessibleallowing easy replacementRig AccessoriesThe accessories are complete with equipments for Rig installation andDrill operation.PATDrilling Rigs, Equipment, Supplies & AccessoriesPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

Page 6PAT-Drill 201A BASIC RIGPETROL ENGINES OPTION2,460.00 USD.DIESEL ENGINES OPTIONNot available for the Basic rigPrinted Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

Page 7Recommend PackagePAT-Drill 201A201A BASIC RIGPetrol2,460.00Total: USD.DieselMUD PUMPKato model, 480 gpm @ 10 m head complete with hoses set.BOREHOLE DELVELOPMENT COMPRESSORVA-80 model, 2 cylinders, 16.32 cfm-10 bar complete with 80 m. air hoses on reel stand.DRILL PIPES SET40 units of 1.5 m. drill pipe, 60 m. depth.BITS, REAMERS AND SUB ADAPTORS SET14 units of 4”-8” diameter, complete with sub adaptors to be fitted with the drill pipe thread.TOOLSAll necessary Tools for operation and maintenance. (manufacture’s recommendation)BASIC LUBRICANTSNecessary Lubricants for start-up all systems.SPARE PARTSAll service packs for Rig, Pumps and Engines. (recommend for 1 year operation)1,470.00 2,439.002,168.00 3,134.001,344.002,404.00915.00248.001,002.60 1,264.60TOTAL PRICE OF PAT-Drill 201A PETROL OPTION 12,011.60 USD.DIESEL OPTION 14,208.60 USD.Remarks- The 201 Basic is available for petrol engine only.- The petrol engine is 11 hp, 3600 rpm, manual start, air cooled.- The diesel engine is 10 hp, 3600 rpm, manual start, air cooled.Printed Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

PAT 203drillPage 8a hydraulic light weight Drilling RigPorortable, light weight, hydraulic drilling rig.Give effective low cost drilling.Drilling system designed for intermediate rigbetween PAT T 201 and PAT T 301 models.Drilling capacity:4 1/2 inch to a depth of 60 m. with DTHhammer in hard rock.4 - 6 1/2 inch to requirequired ed depth using fluidflush rotary y in alluvial deposites.Mounting kits are e available for system installationin pickup trucks.Drilling Rigs, Equipment, Supplies & AccessoriesPATPrinted Matter / Price. No.2PROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

Page 10Recommend Package PAT-Drill 203203 BASIC RIGMUD PUMPKato model, 480 gpm @ 10 m head complete with hoses set.DRILL PIPES SET40 units of 1.5 m. drill pipe, 60 m. depth.BITS, STABILIZERS AND SUB ADAPTORS SET14 units of 4”-8” diameter, complete with sub adaptors to be fitted with the drill pipe thread.TOOLSAll necessary Tools for operation and maintenance. (manufacture’s recommendation)BASIC LUBRICANTSNecessary Lubricants for start-up all systems.SPARE PARTSAll service packs for Rig, Pumps and Engines. (recommend for 1 year operation)Total: USD.PetrolDiesel7,350.00 8,235.001,554.00 2,439.002,016.002,355.56940.00312.001,515.40 1,821.40TOTAL PRICE OF PAT-Drill 203 Mud, Rotary drilling PETROL OPTION 16,042.96 USD.DIESEL OPTION 18,118.96 USD.EQUIPMENT FOR DRILLING IN HARD ROCKFOAM PUMP WITH SERVICE PACKTriplex piston pump, 5 gpm-35 bar, complete with hoses set and service packs for engine and pump.DTH. HAMMER WITH ACCESSORIESFor 115 mm. borehole diameter complete with Hammer accessories to be fitted to the rig and air compressor.AIR COMPRESSOR WITH ACCESSORIES EQUIPPED TO PAT RIG AND SPARESPortable, two wheels trailer unit, 395 cfm-7 bar to be applied with DTH Hammer.The air hoses with all connectors and 0-1000 hours operating service packs also included the package.DTH. LUBRICANTSBasic Lubricants for start-up drilling in hard rock by DTH Hammer,comprising of 40 litre Rock drill oil and 50 litre Liquid foam.1,063.00 1,533.005,411.6024,842.87382.00TOTAL PRICE OF PAT-Drill 203 FULL PACKAGE PETROL OPTION 47,742.43 USD.DIESEL OPTION 50,288.43 USD.Remarks- The petrol engine is 13 hp, 3600 rpm, manual start, air cooled.- The diesel engine is 10 hp, 3600 rpm, manual start, air cooled.- The Button bit diameter is 115 mm only. Do not recommend for the oversize.- The total depth of drill pipe is 60 m Do not recommend for the deeper.- In case of Mud rotary drilling only, should to add Borehole development compressor set:# Petrol option is 2,250.00 USD.# Diesel option is 3,134.00 USD.- To be confirmed for the items of DTH. Hammer and Air compressor.The prices are depended on manufacture’s adjustments.Should to estimate the budget +/- 10% of the value.Printed Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

Page 11PAT-Drill 301ADTH. Hammer and Rotary Drilling MachineThe PAT-Drill 301A is a light weight water welldrilling system designed for operations in avariety of geologic settings.Alluvial deposits, sedimentary and hard rockdrill capacity to 100 meters.The system includes separate Mast Assembly,Hydraulic System, Mud/Water Pump andCompressor for easier transport in remoteareas.The PAT-Drill 301A comes complete with allnecessary drilling equipment and supplies.Custom orders are also available.Mounting kits are available for systeminstallation in (TOYOTA) pickup trucks.A full line of spare parts, equipment, suppliesand accessories are available.PAT has easy access to international transportfacilities via Bangkok.PAT drilling rigs are currently workingeffectively in remote, rugged ares throughoutAsia and Africa.PAT Engineering Staff are constantly improvingon the design and field performance of allour system.The 301A upgrade is the direct result of thestrong committment to our customers worldwide.Printed Matter / Price. No.2The PAT-Drill 301A is the right choice for Government, United Nations, and Non-Governmental (NGO) organizationslooking for appropriate and low cost drilling equipment to provide domestic water supplies to rural villagecommunities at an economical price.

PAT-Drill 301ADrilling capacityBASIC RIGHard rock4"-6" diameter to a depth of 100 meters with Down The Hole Hammer.Alluvial deposits4"-8" diameter to required depth using fluid flush rotary.Technical specificationDRILLING UNIT BASIC RIG,MAST3 metre hight, all steel construction 320 kgs. in weight, 2.20 metre drill head travel,Break-out table to open 200 mm., equipped with 2 wheel tires., The Mast is vertical fordrilling and horizontal for travelling, enable to load on/off the truck by manual labour.CONTROL PANELOperating’s Control panel equipped with 4 main levers for control drill head travelling, androtating, feed system equipped 2 controllers, slow/rapid drill head speed and determinationof feed system and 3 pressure gauges are one unit to be mounted on the Mast.ROTATION TION HEADHydrualic motor drive via. 3.875 : 1 ratio epicycle reduction gearbox,both forward/reverserotating, Speed range : 0-70 rpm., Torque : 136 kg-m. (1320 N-m.)SWIVEL to be mounted on the rotation, a swivel spindle 40 mm. ID. with packing suitiblefor air, foam and mud flushing, safety working pressure of 20 bar.HYDRAULIC POWER PACKHydraulic system to be operated from skid mounted engine driven power pack withflexible hydraulic hoses fitted to the rig. 125 kgs in weight.- Engine : 13 HP. 3600 rpm. HONDA gasoline engine, hand starting.- Hydraulic system : VANE PUMP type, system pressure 210 bar, 40 litre Tank capacity,- Hydraulic hose line : 2 lengths, 4 metre long with quick couplings to rig.RIG ACCESSORIESSet of accessories for Rig installation and drilling operation comprising of :Rig supporters, Break-out table, Drill pipe keys, Ground anchorages,Hand auger and Drill pipes rack.BBASIC RIGDIMENSION (mm.)ABBMAST 980 X1035 3125POWER PACK 500 X700 690AAPATDrilling Rigs, Equipment, Supplies & AccessoriesPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

Page 12PAT-Drill 301A BASIC RIGPETROL ENGINES OPTION14,400.00 USD.DIESEL ENGINES OPTION15,285.00 USD.PAT-Drill 301APrinted Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

Page 13Recommend Package301A BASIC RIGMUD PUMPKato model, 480 gpm @ 10 m head complete with hoses set.DRILL PIPES SET40 units of 2.0 m. drill pipe, 80 m. depth.BITS, STABILIZERS AND SUB ADAPTORS SET16 units of 4”-8” diameter, complete with sub adaptors to be fitted with the drill pipe thread.TOOLSAll necessary Tools for operation and maintenance. (manufacture’s recommendation)BASIC LUBRICANTSNecessary Lubricants for start-up all systems.SPARE PARTSAll service packs for Rig, Pumps and Engines. (recommend for 1 year operation)PAT-Drill 301ATotal: USD.PetrolDiesel14,400.00 15,285.001,554.00 2,439.003,696.002,876.161,129.00312.001,464.40 1,770.00TOTAL PRICE OF PAT-Drill 301A Mud Rotary drilling PETROL OPTION 25,431.56 USD.DIESEL OPTION 27,507.16 USD.EQUIPMENT FOR DRILLING IN HARD ROCKFOAM PUMP WITH SERVICE PACKTriplex piston pump, 5 gpm-35 bar, complete with hoses set and service packs for engine and pump.DTH. HAMMER WITH ACCESSORIESFor 115-150 mm. borehole diameter complete with Hammer accessories to be fitted to the rig and air compressor.AIR COMPRESSOR WITH ACCESSORIES EQUIPPED TO PAT RIG AND SPARESPortable, two wheels trailer unit, 395 cfm-7 bar to be applied with DTH Hammer.The air hoses with all connectors and 0-1000 hours operating service packs also included the package.DTH. LUBRICANTSBasic Lubricants for start-up drilling in hard rock by DTH Hammer,comprising of 40 litre Rock drill oil and 50 litre Liquid foam.1,063.00 1,553.007,438.4024,842.87382.00TOTAL PRICE OF PAT-Drill 301A FULL PACKAGE PETROL OPTION 59,157.83 USD.DIESEL OPTION 61,723.43 USD.Remarks- The petrol engine is 13 hp, 3600 rpm, manual start, air cooled.- The diesel engine is 10 hp, 3600 rpm, manual start, air cooled.- The drill pipe enable to add to a 100 depth. It is 88 USD per 2 m-drill pipe.- In case of Mud rotary drilling only, should to add Borehole development compressor set:# Petrol option is 2,250.00 USD.# Diesel option is 3,134.00 USD.- To be confirmed for the items of DTH. Hammer and Air compressor.The prices are depended on manufacture’s adjustments.Should to estimate the budget +/- 10% of the value.Printed Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

301 NEW MODEL FOR 2000 Page 14PAT-Drill 301/2000 BASIC RIGPETROL ENGINES OPTION15,840.00 USD.DIESEL ENGINES OPTION16,725.00 USD.301/2000301/2000Printed Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

301 NEW MODEL FOR 2000 Page 15Recommend Package PAT-Drill 301/2000Total: USD.PetrolDiesel301/2000 BASIC RIG15,840.00 16,725.00MUD PUMPKato model, 480 gpm @ 10 m head complete with hoses set.DRILL PIPES SET40 units of 2.0 m. drill pipe, 80 m. depth.BITS, STABILIZERS AND SUB ADAPTORS SET16 units of 4”-8” diameter, complete with sub adaptors to be fitted with the drill pipe thread.TOOLSAll necessary Tools for operation and maintenance. (manufacture’s recommendation)BASIC LUBRICANTSNecessary Lubricants for start-up all systems.SPARE PARTSAll service packs for Rig, Pumps and Engines. (recommend for 1 year operation)1,554.00 2,439.003,696.002,876.161,129.00312.001,464.40 1,770.00TOTAL PRICE OF PAT-Drill 301/2000 Mud Rotary drilling PETROL OPTION 26,871.56 USD.DIESEL OPTION 28,947.16 USD.EQUIPMENT FOR DRILLING IN HARD ROCKFOAM PUMP WITH SERVICE PACKTriplex piston pump, 5 gpm-35 bar, complete with hoses set and service packs for engine and pump.DTH. HAMMER WITH ACCESSORIESFor 115-150 mm. borehole diameter complete with Hammer accessories to be fitted to the rig and air compressor.AIR COMPRESSOR WITH ACCESSORIES EQUIPPED TO PAT RIG AND SPARESPortable, two wheels trailer unit, 395 cfm-7 bar to be applied with DTH Hammer.The air hoses with all connectors and 0-1000 hours operating service packs also included the package.DTH. LUBRICANTSBasic Lubricants for start-up drilling in hard rock by DTH Hammer,comprising of 40 litre Rock drill oil and 50 litre Liquid foam.1,063.00 1,553.007,266.8024,842.87382.00TOTAL PRICE OF PAT-Drill 301/2000 FULL PACKAGE PETROL OPTION 60,426.23 USD.DIESEL OPTION 62,991.83 USD.Remarks- The petrol engine is 13 hp, 3600 rpm, manual start, air cooled.- The diesel engine is 10 hp, 3600 rpm, manual start, air cooled.- The drill pipe enable to add to a 100 depth. It is 88 USD per 2 m-drill pipe.- In case of Mud rotary drilling only, should to add Borehole development compressor set:# Petrol option is 2,250.00 USD.# Diesel option is 3,134.00 USD.- To be confirmed for the items of DTH. Hammer and Air compressor.The prices are depended on manufacture’s adjustments.Should to estimate the budget +/- 10% of the value.Printed Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

Page 16PAT-Drill 401 LC-PTODrilling Rig mounted on Truck, Powered by Truck enginePAT-Drill 401 LC-PTO is a compact fullyhydraulic drilling rig with Top Head Drive,for down-the-hole hammer and rotarydrilling.Mounted kits designed for system stallationon pickup trucks, TOYOTA Land Cruiser4x4 WD. The systems are powered bytruck engine,PowerTake Off (PTO).PAT-Drill 401Toyota LandCruiser & 401 Basic RigPAT-Drill 401 LC PTOPrinted Matter / Price. No.2The PAT-Drill 401 is the right choice for Government, United Nations, and Non-Governmental (NGO) organizationslooking for appropriate and low cost drilling equipment to provide domestic water supplies to rural villagecommunities at an economical price.

Page 17PAT-Drill 401LC-PTO401LC-PTO BASIC RIG WITHOUT TRUCK31,500.00 USD.401BASIC RIGCHAIN TIGHTINGFLOODING LIGHTMASTROTATIONHYD. OIL TANKDRILL PIPE RACKOIL COOLINGBREAK-OUT WRENCHFOAM PUMPMUP PUMPTOOL BOXHYD. POWEROUTLET FOR MUD PUMPOIL LUBRICATOROIL LEVELHAMMER OIL ADJUSTMENTAIR INLETEXTENDING FOOTINGMAIN GATE VALVEMUD PUMP CONTROLMUD INLETSTABILIZER JACKCONTROL PANELPrinted Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

Page 18Recommend PackagePAT-Drill 401LC-PTO401 LC-PTO BASIC RIG WITHOUT TRUCKThis price already included the installation cost on the site.FOAM PUMPTriplex piston pump, 5 gpm-35 bar, driven by hydraulic motor, complete with hoses set.31,500.00Total: USD.HYDRAULIC MOBILE MUD PUMPTaki 65-33/2 model, 2 stages centrifugal pump, driven by hydraulic motor,1000 litre/min @ 30 m head complete with hoses set.DRILL PIPES SET50 units of 2.0 m Drill pipe, 100 m depth.BITS, STABILIZERS AND SUB ADAPTORS SET18 units of 4”-9” diameter, complete with sub adaptors to be fitted with the drill pipe thread.TOOLSAll necessary Tools for operation and maintenance. (manufacture’s recommendation)BASIC LUBRICANTSNecessary Lubricants for start-up all systems.SPARE PARTSAll service packs for Rig and Pumps. (recommend for 1 year operation)3,000.004,620.003,351.361,129.00324.001,520.00TOTAL PRICE OF PAT-Drill 401 LC-PTO Mud Rotary drilling45,444.36 USD.EQUIPMENT FOR DRILLING IN HARD ROCKDTH. HAMMER WITH ACCESSORIESFor 115-150 mm. borehole diameter complete with Hammer accessories to be fitted to the rig and air compressor.AIR COMPRESSOR WITH ACCESSORIES EQUIPPED TO PAT RIG AND SPARESPortable, two wheels trailer unit, 395 cfm-7 bar to be applied with DTH Hammer.The air hoses with all connectors and 0-1000 hours operating service packs also included the package.DTH. LUBRICANTSBasic Lubricants for start-up drilling in hard rock by DTH Hammer,comprising of 40 litre Rock drill oil and 50 litre Liquid foam.7,266.8024,842.87382.00TOTAL PRICE OF PAT-Drill 401 LC-PTO FULL PACKAGE77,936.03 USD.Remarks- All systems are powered from by truck diesel engine. (PTO: Power Take Off.)- To be confirmed for the items of DTH. Hammer and Air compressor.The prices are depended on manufacture’s adjustments.Should to estimate the budget +/- 10% of the value.Printed Matter / Price. No.2PATPROMOTION OF APPROPRIATE TECHNOLOGY CO.,LTD.44/5 SOI ATIT, WUTAKARD ROAD, CHOMTHONG, BANGKOK 10150 THAILANDPhone (66-2) 4761845, 4765313 FAX (66-2) 4765316 Email: pat-drill@a-net.net.thAuthorized distributor in East AfricaPAT AFRICA DRILLING LTD.P.O. BOX 39838 NAIROBI, KENYA Phone / FAX (254-2) 580146 Email: patafric@africaonline.co.ke

D2D1D3Page 19Drill Accessories for PAT-Drill 201AMUD PUMP SETBITS AND SUB ADAPTORSREAMERDRAG BITSUB ADAPTORBOREHOLE COMPRESSORCOMPRESSOR SETFIEXIBLE AIR HOSE ON REEL STANDDRILL PIPES32.5 mm.50 mm.57mm.DRILL PIPEL1.5 m.THREAD PROTECTORMALE & FEMALEHAND TOOLSPIPE WRENCH (RIDGID)PIPE WRENCH (SANDVIK)OPERATING TOOL BOXSOIL COLLECTING BOXESMALE FISHING TOOLCASING CLAMP (option )Printed Matter / Price. No.2

LLLPage 20Drill Accessories for PAT-Drill 203, 301A, 301/2000, 401MUD PUMP SETAIR COMPRESSORFOAM PUMP SETBITS AND SUB ADAPTORSREAMER-STABILIZERDRAG BITSUB ADAPTORDRILL PIPESPAT 203 D1 = 28 mm, D2 = 60 mm, D3 = 50 mm, L = 1.5 m.PAT 301A, 301/2000, 401 D1 = 40 mm, D2 = 76 mm, D3 = 60 mm, L = 2 m.D1D2D3DRILL PIPEL LTHREAD PROTECTORMALE & FEMALEDTH. HAMMERBIT SPANNERBUTTON BITDOWN-THE-HOLE HAMMERWRAP AROUNDHAND TOOLSPIPE WRENCH (RIDGID)PIPE WRENCH (SANDVIK)MALE FISHING TOOLOPERATING TOOL BOXSOIL COLLECTING BOXESCASING CLAMP ( option )Printed Matter / Price. No.2

drilling mud <a href='https://www.ruidapetroleum.com/product/49'>pump</a> pdf pricelist

SCOPEThis specification covers the preservation and storage procedure for shipment of new-buildNOV Triplex Mud Pumps shipped from the manufacturing plant.This specification is intended to provide preservation of new-build NOV Triplex Mud Pumpsfor six (6) months from the shipment of the mud pump from the manufacturing facility. If apump is to be stored for a period of time exceeding six (6) months, additional precautionsshould be taken as outlined in this specification.National Oilwell Varco recommends that all pumps are inspected for any signs of corrosionand for proper preservation at a minimum every three (3) months for pumps stored outsideand every six (6) months for pumps stored indoors.Sub-tier: National Oilwell PS-3081

MANUFACTURING PLANT PRESERVATION PRIOR TO PAINTDrain all water and clean out liner wash tank. Remove drain plug in bottom of liner washpump and drain water then reinstall plug. Remove discharge flange from liner wash pumpand pour one (1) pint of inhibiting oil-based concentrate (Cortec VpCI 329 Vapor CorrosionInhibiting oil-based concentrate or equivalent) into liner wash pump. Rotate two (2)revolutions by hand to distribute the product. Re-install discharge flange.Drain all oil from pump power end sump and remove crosshead covers and inspectioncovers. Clean out oil sump as per National Oilwell PS-3081 (Mud Pump Cleanliness).Spray all internal machined parts of power end and crosshead area with inhibiting oil-basedconcentrate (Cortec VpCI 329 Vapor Corrosion Inhibiting oil-based concentrate orequivalent). Rotate pump turn and re-spray. Pour quantity of inhibiting oil-basedconcentrate specified in the table below into power end sump.Mud Pump Models

For pumps equipped with chain drives, spray internal machined parts inside chain caseswith inhibiting oil-based concentrate (Cortec VpCI 329 Vapor Corrosion Inhibiting oil basedconcentrate or equivalent).

MANUFACTURING PLANT PRESERVATION AFTER PAINTRemove breather and pack with loose parts for later shipment with pump. Seal breatherhole with a greased solid plug. Affix a warning label near the breather opening (see Exhibit1).Spray all external unpainted machined parts of pump with rust preventative (CRC SP400 orequivalent).Cover large diameter pipe and other openings with hardboard and protective plastic wrap.Liner bushing openings shall also be covered and sealed.Seal all other pipe work (air, water, and electrical) with plastic caps of the correct size andstyle. Electrical J-boxes are to be encased in protective plastic wrap. Place two (2) onepound bags of desiccant inside each J-box before sealing with tape. Wrap pressuregauges with bubble paper and plastic.Tape or band down loose hinged guards and inspection covers.Spray all machined unpainted loose parts and expendables to be shipped with pump withrust preventative (CRC SP400 or equivalent). All parts will be wrapped or boxed to preventdamage.Affix one (1) warning label (see Exhibit 2) to the power end pump cover and one (1)warning label on the fluid end assembly of the pump. Affix warning labels on each loosepart container. In cases where the equipment will be boxed at an offsite export packer, asufficient number of warning labels will be supplied with the shipment.

STORAGE AT MANUFACTURING PLANT OR FINAL DESTINATIONIndoor storage is preferred whenever possible; but if outside storage is required, ensurepump is stored away from salt water spray, sand blast or other adverse conditions. It ishighly recommended that ship loose parts be stored indoors to eliminate conditions thatpromote condensation and direct sources of moisture.It is also recommended to store pump on blocks and cover entire pump with plasticsheeting.

PRESERVATION PROCEDURE WHEN STORAGE EXCEEDS SIX (6) MONTHS OFINITIAL PRESERVATION.Note: It is recommended that inspections be carried out on six (6) month cycles whenpumps are in indoors and three (3) month cycles when stored outside.Remove plastic sheeting.Remove side crosshead covers and top inspection covers and inspect for any internalcorrosion. Correct any adverse conditions.Replenish rust inhibitor to quantities previously listed.Rotate pinion shaft five (5) revolutions using supplied tool.Inspect for condition of external protection (rust preventative and paint).adverse conditions.

START-UP AFTER STORAGEAny pump that has been in storage will need a thorough inspection prior to start-up toinsure it has not been damaged in any way and that all parts are properly in place. Failureto observe the following points can result in serious damage. Before servicing the pump,the power end sump and chain drives housings will need to be drained of any inhibitingadditive. The Cortec brand products used for preservation are compatible with alllubricating oils and need not be totally removed when putting equipment into service.To service the Power End after storage and prior to start-up, remove all covers andthoroughly clean and inspect all of the parts and finished surfaces. Check all of thebearings to make certain they are clean and in good condition. Fill the power end withclean EP oil of the proper viscosity to the proper level. Make sure oil is poured into the oildistribution trough and is worked into all of the bearings. Replace all covers and installbreather.To service the Fluid End after storage and prior to start-up, remove covers and thoroughlyclean and inspect inside of the fluid end cylinders. Properly install valves, pistons, linersand all other fluid end parts. Carefully tighten all bolts, nuts, studs and workingconnections to specified torque requirements.

Pre-Start Up Requirements.....................................................................................1. Power End..................................................................................................2. Main Electric Drive Motors3. Auxiliary A/C Motors.4. Instrumentation...........................................................................................5. Liner Wash System.....................................................................................6. Fluid End....................................................................................................7. Suction Dampener/Desurger.......................................................................8. Pulsation Dampener....................................................................................9. Pressure Gauge............................................................................................10. Reset Relief Valve.......................................................................................11. Discharge Strainer12. Mud Pump Drive Assembly.a. Belt Drive Unitsb. Chain Drive Units.

INITIAL STARTUP PROCEDURESGENERAL:The initial startup procedures are written to assist the operator in preparing the pump packages for normaloperation. The startup procedures are separated into two categories: Part I: Pre-Commissioning, and PartII: Commissioning Procedures. It is suggested that a copy of these pages be made for each pump to beused as a check-off sheet.

Reservoir Capacity: 100 US Gallons (379 Liters)Note: The rust preventative on the internal surfaces of the pump is oil-soluble and iscompatible with the lubricants recommended above. It is not necessary to flush and drainunless the preservative has become contaminated (water, sand etc.).b. Oil Filters:Assure that the oil filters in the power end reservoir and external oil pump system are clean.2. Main Electric Drive Motors:

Clean liner wash tank, if needed, and fill with fresh clean water.Ensure that supply hoses and spray nipples are installed correctly.Start pump and adjust regulating valve to maximum flow without splash onto the extensionrods.

NOTE: When charging the bladder, make sure that the mud pump suction line valve has beenclosed and that all pressure has been bled off of the suction manifold surrounding the suctiondesurger

If a dampener is used, charge dampener with a hand-operated air pump to 10 PSI (0.7 bar).Once pump operations have been started, check the operation of the suction dampener byinspecting the sight glass. Add or release air pressure through the Shraeder valve to keep thediaphragm between the midpoint and the bottom of the sight glass.

Check the installation and the setting.NO SHUT-OFF VALVE is to be between the pump discharge and the relief valve.Ensure that piping from the discharge port goes directly to the mud tank/pit and is securelytied down, with a minimum downward slope of 1/4 per foot.Ensure that piping has pressure rating equal to the relief valve highest setting.

Check the chain guards to ensure that the chains will not drag on the guard.Check the oil pump to ensure that the relief valve is installed on the suction side.Start the pump and ensure that the spray nozzles are spraying oil over the full width of the chain.Adjust the relief valve to 15-25 PSI output with the warm oil.

PART II. COMMISSIONING PROCEDURES:GENERAL:The power end and the fluid end have gone through rigorous tests prior to being shipped from themanufacturing site; therefore, the following recommendations for the commissioning test are madefor the purpose of checking the overall unitization functions, including instrumentation, and toassure that there are no problems which may have occurred during transportation and storage.Operation of the pump in parallel to check the SCR-Motor assignments and controls, volumetricdisplacement and mudline systems are at the option of the purchaser.A. PRE-COMMISSIONING CHECKS:Prior to starting the unitized pump package, review the previously outlined Pre-CommissioningRequirements in Part I.Check the discharge mudline to assure that all necessary valves are open. Ensure that the mud tanksare full of test fluid (mud/water) prior to startup.Make the desired assignment of the SCR-Motor Control System to the pump motors, and open thethrottle slightly. Check to ensure that charge pump and liner wash motors have started.If no immediate problems are encountered, slowly throttle the pump to approximately 60 SPM andcontinue operating the mud pump while making the following inspections to assure that all systemsare working properly:1) Power End Lubrication:Check oil pressure:

5) Visually inspect the mud pump drive assembly for any unusual conditions, i.e. loose bolts,vibration, noise, etc.6) Check the performance of the supercharging system:

Check the valve for proper relief setting. The valve should be set 10% above thepressure rating for the liner size being used.Refer to the nameplates on each side of the pump or the pump datasheet to obtain theoperating pressure for that particular size liner.

B. COMMISSIONING OPERATIONAL TEST:DURATION: EIGHT (8) HOURS TOTAL RUNNING TIME.The following are basic guidelines for conducting of an eight (8) hour operational test. The pump wastest run under pressure in the manufacturing plant but with different motors and drives.The discharge pressure can be regulated by temporarily installing an adjustable choke at some point inthe discharge line.NOTE: There can be short intervals of shut-down time to fix leaks, make adjustments, etc., withouthaving to restart the test program.1. LOWER PRESSURE TEST DURATION: TWO (2) HOURS:TIMESTARTSTOP0-500 PSI (0.34-34.5 bar)40 min. @ 40 SPM

C. INSPECTIONS/CHECK-OFFS DURING TEST PROGRAM:The overall performance of the unitized pump package should be continuously monitored during theeight hour test program. The following checks should be made and recorded each two hours ofoperation.START

PREFACEThis manual is provided for guidance of those who wish to install, repair, maintain, or adjust theNational Oilwell Varco equipment covered herein. This information has been prepared with abasic viewpoint to give accurate and concise data needed to perform minor adjustments as wellas major overhauls.This information is not elementary, as it is intended for operators and servicemen who are familiarwith drilling equipment in general. It is not intended, nor would it be possible in such limitedspace, to cover every possible condition which may be encountered. Always use good, soundmechanical practices and safety precautions.All specifications are in accordance with Engineering designs and should be adhered to in allrepairs. Operation and maintenance information on equipment other than National Oilwell Varcosis taken in part from the various manufacturers manuals. If the equipment manufacturers issuelater instructions, or in the event of conflict, the manufacturers information will take precedenceover that shown in this manual, unless specifically stated otherwise.Refer to the General Lubrication Bulletin for approved lubricants. If any discrepancy existsbetween the recommendations in this manual and the General Lubrication Bulletin, those in theLubrication Bulletin will take precedence.The manual sections follow logical divisions in major components, and cover all standardproduction unless otherwise specified. Specifications and components covered are for standardequipment current at the time this manual was approved for printing.National Oilwell Varco reserves the right to discontinue models at any time, or changespecifications or design of any model without notice and without incurring any obligation.

INSTALLATION OF NEW PUMPYour National Oilwell Varco pump has been completely assembled and test operated underpressure before being shipped to the field. Unless otherwise instructed, the lubrication isdrained from the power end and the expendable parts are removed from the fluid end.Before putting the pump into service, the following precautions and operations must beperformed or checked.In order to prevent personal injury during the performance of any maintenance orinspection procedures, this equipment MUST BE SHUT DOWN AND NOT OPERATING,and all safety devices on prime movers, drives, etc., MUST BE IN THE SAFE POSITION.

SETTING THE PUMPThe skids under the National Oilwell Varco pumps are suitable for most any type ofinstallation. It should be noted, however, that the box type construction of the power framehas high resistance to bending but relatively less resistance against twist. Therefore, thesupport under the pump must be level and adequate to support the weight and operatingforces exerted by the pump.

Land InstallationsIn land installations, a mat of 3 X 12 (76.20 mm x 304.8 mm) boards laid side crosswise tothe pump skids for the entire length, or at a minimum, at the points indicated in Fig. 2, isusually sufficient. The boards should be a few feet wider than the width of the pump skidrunners. Wet or marshy locations may require a more stable foundation.

Fig. 2Suitable means, such as National Oilwell Varco pump spacers as shown in Fig. 3, shouldbe used to keep the pump anchored and the drive in alignment. National Oilwell Varcomud pump spacers provide 8-1/2 (215.9mm) adjustment. Any desired length may beobtained by lengthening the standard pipe spacer, which is made of 3 (76.20mm) extrastrong pipe.Three types of attaching heads are available with this spacer:

2.1.1 Permanent InstallationsOn permanent installations such as barge, platform, structural base, or concrete slab,where pump skids are bolted down, it is essential that the skids be properly shimmed toprevent possibility of twisting or distorting the power frame. The pump skids must sit solidon all shim points with bolts loose.On barge installations, the pumpskids are generally bolted down toT-beams running parallel and in linewith the pump skids. Install shims atpoints shown in Figs. 2 and 4 andobserve caution of proper shimmingto prevent twist or distortion.The shims on all installations shouldextend the full width of the skidbeam flanges and have a minimumlength of 12 (305mm).On installations where the power unit or electric motor is mounted integrally with the pumpskids, the preferred installation would be to set the pump package on the T-beam skids andprovide retention blocks rather than bolts to hold it in place. This will allow the pump tofloat and minimize the transfer of barge deck or platform distortion into the frame.2.1.2 Installation of the DriveThe drive between the mud pumps and the power source, whether V-belts or multi-widthchains, should be installed with the greatest care to assure maximum operating life withminimum of unexpected or undesirable shutdowns due to drive failures.When installing the drive sheave or sprocket, make sure all grease or rust preventative isremoved from the shaft and the bore of the drive. Remove all burrs or rough spots from theshaft, key, and keyway. Fit key to the keyways in both the shaft and drive and install keyinto shaft keyway.Coat pinion shaft with a light coating of anti-seize compound or light oil and install the drivesheave or sprocket hub. Tighten hub bolts as indicated below:

Adjust V-belts for proper tension.Adjust the belt tension by moving the sheaves apart until all of the sag has just beeneliminated from the tight side of the belt and some of the belts on the slack side.Then increase the centers approximately (13mm) for each 100 (2540 mm)center distance. Example: On 150 (3810 mm) center, move pump an additional (19.5 mm).

DO NOT OBTAIN BELT TENSION BY PICKING UP END OF PUMP ANDALLOWING BELTS TO TIGHTEN UNDER WEIGHT OF PUMP AS END ISBEING LOWERED TO THE GROUND.2.1.2.2 Chain Drivesa.InstallationProper installation and maintenance of the sprocket and chain drives are essential ifgood service life is to be obtained. Since many factors, such as chain width, centerdistances, speeds, and loads must be considered when determining the allowabletolerance for sprocket alignment, no good rule of thumb can be applied. The chainalignment must simply be held as nearly perfect as possible. A more precisealignment can be made by stretching two steel wires (piano wire) along one face ofthe two sprockets, one above and one below the centerline, and moving one of thesprockets until the wires touch at four points. This will determine that the centerlinesof the drives are parallel and the faces of the sprockets are square.b.

Drive chain lubricationThe pump drive chain lubrication system on the majority of National Oilwell Varcopumps is an independent system having its own oil pump, reservoir, and drive. Fillchain case to the indicated level with a non-detergent oil as follows:Ambient temperature above 32F (0C) SAE-30Ambient temperature below 32F (0C) SAE-20For temperatures below 0F, consult a reputable lubrication dealer forrecommendations.REFER TO GENERAL LUBRICATION BULLETIN for approved lubricants andadditional specifications. If any discrepancy exists between the recommendations inthis manual and the General Lubrication Bullletin, those in the Lubrication Bulletinwill take precedence.Since this is an independent system, it will require the same maintenance or serviceattention employed on any other piece of machinery, including:- Daily check of oil level.- Daily check on condition of oil.- Frequent check on oil pressure. (5-15 psi) (.352 - 1.06 kg/cm)- Volume of oil being applied to chain.- Condition of nozzles in spray tube.- Condition of oil pump drive (V-belts or chain)

NOTE: Oil pressure may be adjusted with the pressure relief adjusting screwon the rear of the pump housing. Pressure drops may also indicatesuction and discharge filter screens need cleaning.3

SUCTION SYSTEM REQUIREMENTSIndividual installation conditions will dictate the design of the suction system. The suctionof the FD-series pumps must have a positive head (pressure) for satisfactory performance.The optimum suction manifold pressure is 20-30 psi (1.75-2 kg/cm) for maximumvolumetric efficiency and expendable parts life. This head pressure is best supplied by a 5x 6 centrifugal pump with 40 h.p. 1150 rpm electric motor. This type of drive requires adevice to automatically start and stop the centrifugal pump motor simultaneously with thetriplex pump. On DC electric powered rigs a signal can usually be supplied from the DCcontrol panel to energize a magnetic starter when the mud pump clutch air line will providea set of contacts for energizing the magnetic starter when clutch is engaged.The charging pump can also be belt driven from the triplex pinion shaft charging type ofdrive is not as efficient at slow speeds with viscous fluids.Under some conditions the FD-Series pumps may be operated without a charging pump,provided the fluid level in mud pits is higher than the top of the liners, fluid being pumped islow viscosity and suction line must be short, straight and of at least the same diameter assuction manifold inlet.The suction lines should be piped with valve arrangements so the charging pump can beby-passed so operation can be continued in event of charging pump failure or formaintenance. Operation without a charging pump can be improved by replacing thesuction valve springs with a weaker spring.Suction desurgers are a very effective aid for complete filling of the liners and dampeningpulsations in the suction line which results in a smoother flow in the discharge line. If yourpump is equipped with a suction desurger it must be pre-charged with compressed airbefore operations are begun. See suction desurger manual for charging instructions.

CautionDo not pipe the return line from the shear relief valve back into the suction system as arelief valve operation will cause a sudden pressure rise in the system vastly greater thanthe system pressure ratings, resulting in damage to manifold, suction desurger andcentrifugal pump.

PREPARATION OF POWER ENDYour National Oilwell Varco pump has been completely assembled and test operatedbefore being shipped to the field. Unless otherwise instructed, the lubrication is drainedfrom the power end, and the expendables are removed from the fluid end for storageprotection. Before operating the pump, the following must be performed or checked:

Power End LubricationBefore installing lubricant, open inspection door in cover and check oil reservoir forpossible accumulation of condensation, etc., and drain and flush by removing the pipeplugs on each side of the pump.Add the proper type and quantity of lubrication in the power end. Refer to the LubricationSection of this manual, or lubrication plate on pump frame for type and quantity required.Recheck oil level after pump has operated for a period of 15 minutes. Shut pump downand allow approximately five minutes for the oil level to equalize. Check at oil level gauge,Item 1, Fig. 1. It is usually necessary for a few more gallons of oil to be added due to acertain amount being retained in the crosshead area and frame cavities.

With reference to Figure 5, remove the diaphragm stuffing box and plate (1) and rotatepump so that crosshead is at the front of the stroke. Thoroughly clean the front of thecrosshead and the face of the crosshead extension rod. Insert alignment boss oncrosshead extension rod into the crosshead bore and tighten the retainer bolts (2) to thefollowing torque. Safety wire bolt heads.FD-50050-60 ft. lbs. (7-8 meter kgs)FD-800 80-100 ft. lbs. (11-14mkgs.)FD-1000 350-370 ft. lbs. (48-51 meter kgs) FD-1600 350-370 ft. lbs. (48-51mkgs.)Thoroughly clean face of power frame and diaphragm stuffing box plate at Position A.Install gasket (3) and capscrews (10). Tighten capscrews as follows:FD-500 12-14 ft. lbs.(1.7 - 1.9 meter kgs)

Two types of piston and liner cooling systems have been used on National Oilwell VarcoFD-Series Pumps -- the stationary spray type and a moving nozzle type. Ref. Fig. 6. Themanifold (1) for supplying cooling fluid to the piston and liner assemblies is identical on bothsystems. Cooling fluid from either a remote source such as a water line, or from a pumpand reservoir system unitized on the pump skids (Ref. Fig. 7) must be piped into themanifold at the connection located in the pump frame under the crosshead extension rodsection.CAUTION:

With reference to Fig. 7, maintain electric motor (1) and centrifugal pump (2) accordingto manufacturers specifications. Rotation of the pump should be clockwise whenviewed from the impeller end.Adjust regulating valve (3) to apply as much water as possible to the liners withoutsplashing back on the crosshead extension rods and diaphragm stuffing box plate. 10gallons per minute per liner is the preferred flow rate. If water is allowed to splash onthe crosshead extension rods, some of the water may work back into the power end tocontaminate the lubrication oil.

Liner Cage and Lower Valve GuideInstall rear liner seal (5) and push into position against liner shoulder. Slide liner cage (6)into fluid end, align one hole in the cage with lower valve pot bore. Set lower valve guide(8) over valve stem through lower hole in cage with the wings on the guide turnedcrosswise to the pump. Press down on the guide, compressing the valve spring (7) untilthe guide can be rotated turn and seat into place underneath the cage. Insert the lowervalve guide locking clip (9) through the pad eyes on the lower valve guide and rotate clip tothe right to lock the valve guide tight against the OD of the liner cage. It may sometimes benecessary to put more or less bend in the center of the clip to make it retain the guidetightly while the clip handle snaps into position on the right hand side.

Cylinder headInsert the outer seal (5) in the fluid end bore against the liner cage. Slide the cylinder headplug (10) into fluid end. Apply a liberal coat of grease to both mating thread surfaces of thecylinder head (2). Screw cylinder head in and tighten with wrench furnished with pump andsledge hammer.Fluid leakage through the weep hole will indicate a defective seal or loose cylinder head.DO NOT plug weep holes as this can result in severe damage to cylinder head threads,thread rings, etc., in event of a liner seal failure.

Figure 9BA cross section through the fluid end is shown in fig. 9B. With reference to fig. 9Bthoroughly clean and assemble the fluid end parts in the following manner:Note: All of the parts in this fluid end assembly are designed with metal to metal seatingto alleviate friction wear from breathing action encountered in modern highpressure pump operation. For this reason it is essential that all parts be cleanand free of rust, nicks and burrs before being assembled.

LinerInstall wear plate seal (1) in counterbore of fluid end. Slide wear plate (2) over studs until itseats against fluid end. Slide liner thread ring (3) over studs with the starting thread at the5 oclock position and tighten nuts to 470-510 ft. lbs. (65-70 m/kgs.) torque.Note: Placing the starting thread at 5 oclock position makes engaging the liner lockthreads much easier.Place liner seal (4) in counterbore of wear plate. Apply thin coat of grease to ID of linerlock (5) and slide over rear of liner (6). Install two-piece liner lock ring (7) in liner grooveand O ring to hold them in position.Slide liner handling tool over liner up against liner lock ring and tighten set screw to secureit in place. Hoist liner assembly into position with jib hoist.Note: FD pumps are factory equipped with jib booms and liner handling tools. If olderpumps are converted to FD fluid ends a jib boom should be added to the pumpframe as considerable weight is involved in handling the liner assembly.Apply liberal coat of grease to liner lock threads. Align the starting thread of the liner lock(5) to the 7 oclock position and insert the liner into the liner thread ring (3) screw liner lockin until liner seats in position . Tighten with sledge hammer on hammer lugs.

Suction FlangeThe suction flange has a 12 (305mm) standard pipe thread connection and is custommade to match the companion flange on the pump suction manifold. The flange connectionis sealed off by an O-ring seal (14 OD x 13-1/2 ID x ), (356mm OD x 343mm I.D. x6.35mm Dia.)NOTE: Thoroughly clean O-ring groove and face of flanges before making up connection.Flanges must make up metal to metal to insure proper seal. Tighten flange bolts to 360490 ft. lbs. (50-68 meter kgs.) torque.CAUTION: If suction pipe is welded to suction flange, remove O-ring prior to welding.

Accessory ManifoldFig. 10 is not the standarddischarge arrangement on themodel FD-1600 pump, which usesthe strainer cross configuration.An accessory manifold, Fig.10, isavailable for installation on thedischarge manifold opposite thedischarge end. The manifold willaccommodate a dischargepulsation dampener (1) andprovides two 3-6000 PSI*sideoutlet connections for such items asa pressure gauge (2) and a shearrelief valve (3).When manifold is used, install andmaintain as follows:

The flange on the accessory manifold is a 5-1500 *RTJ. Thoroughly clean ring jointgroove, install ring (4) and tighten the flange bolts (5) to 1200 ft. lbs. torque. To assureuniform make-up of the ring joint connection, tighten the nuts in a criss-cross order.The shear relief valve (3) is installed on the discharge manifold for the purpose ofprotecting the pump from excessively high pressure overloads.The relief valve must be installed so that it will be directly exposed to the mud. DO NOTPUT ANY TYPE OF SHUT OFF VALVE between the relief valve and the manifold. Pipethe discharge side of the relief valve directly into the mud pit with as few turns in the line aspossible. IT IS NOT RECOMMENDED for the discharge side of the valve to be piped intothe suction line of the pump.* 5 -

3 - 6000 PSI = two 76.2mm - 422 kg/cmThe relief valve setting should be just above the maximum pressure rating of the particularliner size being used. CHANGE SETTINGS with each liner size change. DO NOT USEALLEN WRENCHES, WELDING RODS, or material other than that called for by themanufacturer of the relief valve, as this will affect the rating of the relief valve.The mounting for the dischage pulsation dampener (1) is a RTJ flange with R-39 ringgasket. Before installing dampener, thoroughly clean ring groove and ring, and after settingdampener into place, tighten the 1-1/4*nut (6) to 750 ft.lbs*. torque. To insure uniformmake-up, tighten nuts in a criss-cross order.Precharge dampener before starting up pump. Precharge pressure should not be morethan 2/3 of the pump discharge pressure, or a maximum of 650 PSI. (46 kg/cm)CAUTION: USE ONLY COMPRESSED NITROGEN OR AIR. DO NOT CHARGE WITHOXYGEN.* 1-1/4 = 32mm750 ft. lbs. = 104 meter kgs9

LUBRICATIONProper lubrication of the moving parts in any piece of machinery is the most importantsingle factor affecting its ultimate life. To obtain maximum trouble-free service life from thepower end of the National Oilwell Varco pump, it is necessary to perform routinemaintenance care and inspections to insure the proper amount of CLEAN lubricant is beingprovided.

The FD-Series pumps utilize the controlled flow oil bath splash and pressure system tolubricate the entire power end. The type of pressure system provided in each individualpump will govern the minimum SPM at which the pump can be operated, i.e. pumps whichhave pressure lubrication only to the main and pinion bearings, have a minimum ratedspeed of 40 SPM. Pumps in which pressure lubrication is provided to the main, pinion, andcrosshead bearings and crosshead compartments may be operated at a minimum speed of25 SPM, provided there is a minimum of 5 PSI oil pressure. (352 grams/cm)9.1

Minimum Operating SpeedsThe minimum speed for all pumps is 40 SPM.CAUTION: The pressure lubricating system can be provided with an externally mounted oilpump driven through V-belts or electric AC motor; or an internally mounted oil pump drivenfrom the main gear. When an internally mounted oil pump is used, the direction of rotationof the pinion shaft must be as shown in Fig. 11.

Controlled Flow Splash SystemThe controlled flow splash lubrication system is the same for all FD-Series pumps,regardless of the type of oil pump drive provided for the pressure system. In the controlledflow splash system, the main gear picks oil up from the reservoir, and when the teeth meshwith the pinion, the oil is displaced into various troughs and compartments in the frame.With reference to Figure 13, the oil thrown into trough (7) is directed through the oil tube (8)to the two pinion bearings.Oil passage from the top of the crosshead guide compartment to the crosshead bearing isshown in Figure 12. Oil accumulates in the compartment over the crossheads. The oilruns through the nipple (6) into the crosshead retainer to the oil passages (5) and on to thecrosshead pin bearing. As noted, the duplicate set of passageways (5) in the crossheadpin permits the crosshead pins to be rotated without having to give attention to holealignment. This permits the installation of crosshead pins from either direction.

Total Pressure lubrication SystemThe total pressure lubrication system, incorporating the internally mounted oil pump for theFD-series pumps, is shown in Figure 13.

In this system, filtered oil is supplied to the pump through the suction filter (1) and isdischarged from the pump into the manifold block (2). Oil is distributed from the manifoldblock to the pinion shaft bearing oil line (3) and spray nozzle (3A); and to the main bearingoil line (4) and the crosshead compartment manifold block (4A) located above thecrosshead compartment. The crosshead compartment manifold block (4A) distributes oil tothe crosshead, crosshead bearings, and extension rods. Pumps which do not have thecrosshead compartment manifold block (4A) do not have the total pressure lubricationsystem, and therefore have a minimum rated speed of 40 SPM.

A pressure gauge (5) is mounted on the back wall of the frame to show oil pressure beingmaintained in the manifold block. The oil pressure will, of course, vary with the speed ofthe main pump, however if a sudden pressure drop or increase occurs, refer to the sectionon maintenance of lubrication system for possible cause.A pressure relief valve (6) is mounted to the manifold block to keep excess pressure formdamaging oil pump and drive. The relief valve is preset at 40 PSI and must not betampered with.NOTE: If specified, the oil pump for the pressure lubrication system can be independentlypowered by an electric motor or some other type of prime mover. When theindependently driven oil pump is used, some type of alarm device or powerinterlock must be installed to assure the oil pump is operating when the main pumpis put into service.When installing the internally mounted oil pump (9, Fig. 13), position pump so that the backface of the drive gear is flush and parallel with the edge of the main gear, and gear teethhave*.010-.015 backlash. Remove inspection plate on power end cover for access to theinternally mounted oil pump and filter screen. (* .25 - .38mm)

A typical layout for the pinion shaft driven oil pump is shown in Fig. 14. The oil pump (1) ispiped into the oil system through the suction and pressure connections on the bottominside wall of the power frame. Ref. Item 10, Fig. 13. The V-belt drive (2) is adjusted bymoving pump up or down on the mounting bracket.Adjust the V-belt drive (2) to a point where the two halves of the belt can almost bepinched together between the thumb and fingers at the center of the drive.Overtightening can cause premature failure of the pump.When link type belting is used, caution should be exercised in predetermining beltelongation. Link type belting in