pmp hydraulic pump pricelist

REHOBOT pumps have a functional design to withstand rough handling in harsh environments. They can be used in many different applications & industries. The pumps can be used with all hydraulic tools and cylinders in the REHOBOT’s product range.

REHOBOT pumps are used worldwide and every possible environment. Some examples can be found within the engineering, automotive, mining and petrochemical industries.

Our designs are based on long experience within the field of hydraulics. The results are pumps that are easy to operate, repair and service - saving time and money for our customers! The life expectancy of REHOBOT products leads the market. Our pumps provide power that last for generations!

Hydraulic hand pumps – Are lightweight, portable and do not require an external power source. These pumps are cost effective, easy to use, and are ideal for workshop or field use applications.

Air hydraulic pumps – A cost effective option for faster and more efficient operations. No manual effort required by the operator. Portable and ideal for workshop use, only standard air-line supply required. Field use is feasible if access to a compressor is available.

Electrical hydraulic pumps – The best option where large capacities of oil is required: e.g. multiple cylinder operations. By the addition of different valve types, these pumps can easily operate multiple tools. The electric pumps are suitable in stationary installations.

Petrol hydraulic pumps – An excellent alternative where, field operations are required: e.g. construction sites and shipyards. No external power source is required.

Should you be unable to find a pump to suit your requirement in the following series and table, please contact REHOBOT to discuss your application in detail.

Top end of pump that supports idler gear and one side of the rotor shaft assembly. Contains ports and mounting point for pressure relief valve. Heavy-duty construction for rugged use and long life.

DisclaimerThis publication supersedes and replaces any previous issue. PMP Industries reser ves the right tomodify the information contained in this catalogue without any prior notice. Drawings and technicaldata are for reference only, for fur ther details contact please the Sales Depar tment.Unless expressly authorized, reproduction in whole or par t is prohibited.

The PMP Industries group manufactures a wide range of gearboxes and transmission systems for different applications which includes construction machinery, electric vehicles, wind turbine and several other applications.

Product lines PMP hydraulics pumps and motors are divided in the following product lines which defines the main range of application. The use of the products outside the normal field of application is normally not advised; in any case it is recommendable to contact PMP technical department.

1) Order Code......................................................................................................................................................................... 7 2) MAIN FEATURES.................................................................................................................................................................. 10 2.1) General Information........................................................................................................................................... 10 2.2) Technical Data......................................................................................................................................................... 10 2.2.1) Operating Parameters..................................................................................................................... 10 2.2.2) Hydraulic Fluid...................................................................................................................................... 10 2.2.3) Filtration.................................................................................................................................................... 10 2.3) Controls..................................................................................................................................................................... 11 2.3.1) Manual controls (MS, MZ, MY1, MY2).................................................................................... 11 2.3.2) Manual controls for traction (MT, MZT, MX)...........................................................................13 2.3.3) RE, Remote electric control 12/24V solenoid.................................................................... 15 2.3.4) E, Electric ON/OFF control 12 /24V solenoid................................................................... 16 2.3.5) EP, Electric Proportional control........................................................................................................17 2.3.6) HP, Hydraulic Proportional Control......................................................................................... 18 2.3.7) HD, Hydraulic Direct Control..................................................................................................... 19PMH P

2.3.8) EV, Electric volumetric control 12V/24V solenoid........................................................... 20 2.3.9) Installation details................................................................................................................................ 21 2.4) Sizes............................................................................................................................................................................. 22 2.4.1) 35 ................................................................................................................................................................ 22 2.4.2) 55................................................................................................................................................................. 23 2.4.3) 55B.............................................................................................................................................................. 24 2.4.4) 72................................................................................................................................................................. 25 2.4.5) 72B.............................................................................................................................................................. 26 2.4.6) 90 / 110.................................................................................................................................................... 27 2.5) Through drive dimensions............................................................................................................................... 31 2.6) High pressure relief valves............................................................................................................................... 31 2.7) Tightening torques............................................................................................................................................... 31 3) INSTALLATION INSTRUCTIONS............................................................................................................................. 32 3.1) Below tank installation....................................................................................................................................... 32 3.2) Start-up procedure............................................................................................................................................. 33 3.2.1) Preliminary indications..................................................................................................................... 33 3.2.2) Hydraulic circuit................................................................................................................................... 33 3.2.3) Start............................................................................................................................................................ 34

6 V3.5ENPMH P Axial Piston Pumps1) Order Code 1 2 3 4 5 6 7 8 9 10 11 12 P V C4

1 product group and family P Axial piston pump for closed loop circuit 2 DISPLACEMENT 35 35,4 cm3 (@18°) 55 55,0 cm3 (@18°) 55B* 55,0 cm3 (@18°) 72 72,1 cm3 (@18°) 72B* 72,1 cm3 (@18°) 90 89,2 cm3 (@18°) 110 110,0 cm3(@18°) 3 DIRECTION OF ROTATION p35 p55 p72 p90 p110 R Right, i.e. clockwise (CW) view from shaft end A A A A A

PMH P L Left, i.e. counterclockwise (CCW) view from shaft end A A A A A 4 CONTROL DEVICE p35 p55 p72 p90 p110 0 Without control, fixed displacement R R R R R ms Manual servo control A A A A A mZ Manual servo control with neutral pos. switch A A A A A MY1 Manual servo control with N.P. switch & 12V emergency stop R - - A A MY2 Manual servo control with N.P. switch & 24V emergency stop R - - A A MT Manual servo for traction A - - A A MZT Manual servo for traction control with neutral pos. switch A A A - - MX Manual servo for traction with neutral pos. switch &BBS A A A - - RE1 Remote electric control 12V solenoid - - - A A RE2 Remote electric control 24V solenoid - - - A A E1 Electric ON/OFF control 12 V solenoid A A A A A E2 Electric ON/OFF control 24 V solenoid A A A A A EP1 Electric proportional control 12 V solenoid A A A A A EP2 Electric proportional control 24 V solenoid A A A A A HP Hydraulic proportional pilot pressure related A A A A A HD Hydraulic proportional pilot pressure related (direct acting) R A A A A EV1 Electric volumetric control 12V solenoid - A A A A EV2 Electric volumetric control 24V solenoid - A A A A 5 shaft seal p35 p55 p72 p90 p110 v Viton A A A A

Tandem [hub for ANSI B92.1A – 1976 – 1 1/4’’ 19T 16/32 DP] for T1 coupling with a P90 front pump or a P110 front pump - R R - - T2 Tandem [hub for ANSI B92.1A – 1976 – 24T 32/64 DP] R A - - - T3 Tandem [hub for ANSI B92.1A – 1976 – 30T 32/64 DP] - - R - - 8 Through Drive P35 p55 p72 p90 p110 0 No through drive A A A A A A1 Flange SAE A (SAE J 744) / Splined hub 9T-16/32 (ANSI B92.1A) A A A A A A3 Flange SAE A (SAE J 744) / Splined hub 11T-16/32 (ANSI B92.1A) R R R R R B1 Flange SAE B (SAE J 744) / Splined hub 13T-16/32 (ANSI B92.1A) R A A A A T1 Tandem [Fl. SAE C (SAE J 744)/ Spl. shaft 19T-16/32 (ANSI B92.1A)] - - R R R T2 Tandem [Special flange 4-holes / Spl. shaft 24T-32/64 (ANSI B92.1A)] - R R - - T3 Tandem [Special flange 4-holes / Spl. shaft 30T-32/64 (ANSI B92.1A)] - - R - - 9 CHARGE PUMP P35 p55 p72 p90 p110 CP0 Gerotor charge pump 13 cm3 A - - CP1 Gerotor charge pump 20 cm 3 R A A R R CP2 Gerotor charge pump 28 cm (for tandem configuration) 3 - R R A A 10 RELIEF VALVE SETTING P35 p55 p72 p90 p110 420 420 bar A A A A A 380 380 bar A A A A A 350 350 bar A A A A A 330 330 bar A A A A A 300 300 bar A A A A A 280 280 bar A A A A A 250 250 bar A A A A A

PMH P With flushing valve (xx l/min if not standard) Fxx Standard setting: 7 l/min (available settings 7 or 11 or 15 R A R R R l/min) D With dead-man valve R A R R R External filtration of pressure line of charge pump (filter EF R R R R R not included) Internal filtration of pressure line of charge pump (filter IFC R R R R R assembled on pump) with clogging indicator switch Internal filtration of pressure line of charge pump (filter IFV R R R R R assembled on pump) with visual indicator Internal filtration of pressure line of charge pump (filter IFT assembled on pump) with both clogging indicator switch R R R R R and visual indicator K Destroked maximum displacement R A R R R R Adjustable maximum displacement R A R R R Px Mounted with auxiliary pump R R R R R

9 V3.5EN PMH P Axial Piston Pumps 2) MAIN FEATURES

PMH P is a variable displacement, swash plate axial The construction features help to minimize the losses piston pump and it is used in hydraulic closed loops. due to leakage and considerably reduces the frictions. The pump was developed for use on hydraulic The small sizes allow easy installations and the technical transmissions, where high speeds and high torques solutions chosen optimize modulation of requested are demanded. The displacement can be varied by flow for a smooth and quiet operation. changing the inclination of the pump swash plate using The PMH P pumps is equipped with two high pressure a suitable proportional regulator. The direction of flow relief valves to protect the circuit from overloads and can be changed with the variation of the swash plate with anti-cavitation integrated system. inclination respect to a neutral point.

Recommended Hydraulic Fluid Mineal Oil High Viscosity Index Operating viscosity* ν cSt 16 ÷ 36 Maximum viscosity Short term at cold start νmax cSt ≤1600 Minimum viscosity at maximum temperature νmin cSt ≥7 Maximum working temperature of the fluid Tmax °C 90 *Referred to the circuit temperature-closed circuit

With the manual proportional control (MS) thedisplacement of the pump is directly proportionalto the angle of the lever. The pump is fitted witha resetting device which automatically reset thelever to central position if no control takes place.The figure shows the relation between angle anddisplacement. Characteristic points of operations Start of control at β 3,7° End of control at β 41,7° (max displacement Vgmax)

Mechanical stop for β ± 46,8°NOTE: the displacement control valve spool can get stuck due to contamination(fluid contamination or abrasion contamination from transmission Control levercomponents). This can result in pump flow different from operator request. Swivel anglePlease check if the application require any safety devices (i.e. emergency stop)in order to put the transmission driven output in a safe condition.

lever direction flow direction through the pump a B in to A out R (CW) Direction b A in to B out of rotation a A in to B out L (CCW) b B in to A out

11 V3.5EN PMH P Axial Piston Pumps MZ, Manual servo control with neutral position switch Same configuration as MS control but with an additional switch which is closed when the lever is in neutral position. The switch opens when the lever is moved out of the neutral position. The switch provides a monitoring function for drive units which shall not be started unless the pump is in neutral, i.e. diesel engines.

MY1, Manual servo control with N.P. switch & 12V emergency stop MY2, Manual servo control with N.P. switch & 24V emergency stop Same configuration as MZ control with the addition of a two position solenoid valve for electric pump de-stroke. This valve provide stop or emergency function when needed (i.e. drum stop or emergency stop of a concrete mixer drum).PMH P

PMH P lever direction flow direction through the pump a B in to A out R (CW) Direction b A in to B out of rotation a A in to B out L (CCW) b B in to A out

13 V3.5EN PMH P Axial Piston Pumps MZT, Manual servo control with neutral position switch (traction) Same configuration as MT control but with an additional switch which is closed when the lever is in neutral position. The switch opens when the lever is moved out of the neutral position. The switch provides a monitoring function for drive units which shall not be started unless the pump is in neutral, i.e. diesel engines.

The remote electric control is a combined MS controlwith an integral hydraulic piston which is actuatedby an integrated three position valve. The pumpsis stroked or destroked by energizing either of thevalve solenoids; when the solenoid is de-energizedthe pump stays at the last displacement reachedby the pump. An additional solenoid is provided toimplement the Stop function.

PMH P lever solenoid flow direction through the pump a SO1 B in to A out R (CW) Direction b SO2 A in to B out of rotation a SO1 A in to B out L (CCW) b SO2 B in to A out a SO1

15 V3.5EN PMH P Axial Piston Pumps 2.3.4) E, Electric ON/OFF control 12 /24V solenoid

When the solenoids are energized the pump swivels to maximum displacement in one of the two flow directions. The pump is fitted with a resetting device which automatically reset the control spool to central position if no control takes place.The figure shows the relation between electric current and displacement.

R (CW) L (CCW) Hydraulic scheme A, B high pressure ports

With the electric proportional control (EP) thedisplacement of the pump is directly proportionalto the input current applied to one of the twosolenoids. The pump is fitted with a resetting devicewhich automatically reset the control spool to centralposition if no control takes place.The figure shows therelation between electric current and displacement.

Solenoid technical data EP 1 EP 2 Voltage 12 (±20%) 24 (±20%) Current of Control Start at control at Vg0 400 mA 200 mA End of control at Vgmax 1200 mA 600 mANote: the displacement control valve spool can get stuck due to contamination(fluid contamination or abrasion contamination from transmission components).This can result in pump flow different from operator request. Please check if theapplication require any safety devices (i.e. emergency stop) in order to put thetransmission driven output in a safe condition.

PMH P solenoid flow direction through the pump SO1 B in to A out R (CW) Direction SO2 A in to B out of rotation SO1 A in to B out L (CCW) SO2 B in to A out

R (CW) L (CCW)Hydraulic scheme A, B high pressure ports

17 V3.5EN PMH P Axial Piston Pumps 2.3.6) HP, Hydraulic Proportional Control

With the hydraulic proportional control (HP) the displacement of the pump is directly proportional to the pilot pressure applied to one of the two control pressure ports. The feedback link between swashplate and control ensures the costance of the displacement despite pressure and speed working condition. The pump is fitted with a resetting device which automatically reset the control spool to central position if no control takes place. The figure shows the relation between pressure and displacement. Control pressure Start at control at Vg0 6 bar End of control at Vgmax 18 bar Note: the displacement control valve spool can get stuck due to contamination (fluid contamination or abrasion contamination from transmission components). This can result in pump flow different from operator request. Please check if the application require any safety devices (i.e. emergency stop) in order to put the transmission driven output in a safe condition.

R (CW) L (CCW) Hydraulic scheme A, B high pressure ports

HD, Hydraulic Proportional Direct control Withthe hydraulic proportional direct control (HD,without feedback) the displacement of the pump isdirectly proportional to the pilot pressure applieddirectly to one of the two sides of the servo-piston, but is also influenced by load and pumpspeed. The pump is fitted with a resetting devicewhich automatically reset the swashplate to centralposition if no control takes place. The figure showsthe relation between pressure and displacement. Control pressure Start at control at Vg0 4 bar End of control at Vgmax 14 bar

Note: the displacement control valve spool can get stuck due to contamination(fluid contamination or abrasion contamination from transmission components).This can result in pump flow different from operator request. Please check if theapplication require any safety devices (i.e. emergency stop) in order to put thetransmission driven output in a safe condition.

PMH P Control Pressure Port flow direction through the pump H1 B in to A out R (CW) Direction H2 A in to B out of rotation H1 A in to B out L (CCW) H2 B in to A out

R (CW) L (CCW) Hydraulic scheme A, B high pressure ports

19 V3.5EN PMH P Axial Piston Pumps 2.3.8) EV, Electric volumetric control 12V/24V solenoid

The electric volumetric control is a control with a four way three position directional valve feeding directly the servopiston of the swashplate without the feedback lever. The pumps is stroked or destroked by energizing either of the valve solenoids; when the solenoid is de-energized the pump stays at the last displacement reached by the pump.

R (CW) L (CCW) Hydraulic scheme A, B high pressure ports

The solenoid and the connector allow a protection IP67 and IP69K according to DIN/EN 60529, when mountedwith the proper sealing (the solenoid) and the proper mating plug (the connector).Coil windings utilize Class H magnet wire (180 °C temperature rise above an ambient of 25°C). Maximum ambienttemperature for solenoids: +50°C.For EP control only: PWM frequency range: 100 Hz.Solenoid nominal power 23W (both 12V and 24V solenoids).HP, Hydraulic Proportional control (with feedback)The HP control por ts dimension is G1/4” ISO1179 standard.Tighten the connecting nipple at 25 Nm.Do not pressurize control por t H1 & H2 over 20 bar.HD, Hydraulic Direct control (proportional without feedback)The HP control por ts dimension is G1/4” ISO1179 standard.Tighten the connecting nipple at 25 Nm.Do not pressurize control por t H1 & H2 over 35 bar.

27 V3.5EN 20 PMH P Axial Piston Pumps Ports A,B High pressure ports SAE J518 code 62 1” S Charge pump inlet ISO1179 S2 R T1, T2 Case drain ports ISO1179 3/4” S1 MA, MB Gauge ports for system pressure ISO1179 3/8” PS Gauge port for charge pressure ISO1179 1/4” MA R Air bleed plug ISO1179 1/8” S1,S2 Servo piston pressure gauge port ISO1179 1/4” PS Details X - Port A/B

28 V3.5ENPMH P Axial Piston PumpsShaft End13N ANSI B92.1A – 1976 – 7/8’’ 13T 16/32 DP 14N ANSI B92.1A – 1976 – 1 1/4’’ 14T 12/24 DP

29 V3.5EN PMH P Axial Piston Pumps Shaft End 23N ANSI B92.1A – 1976 – 1 1/2’’ 23T 16/32 DP 23F ANSI B92.1A – 1976 – 1 1/2’’ 23T 16/32 DP with coupling flange

In the following table the you can see the tightening torques for the ports of the pump. Port Thread Torque [Nm] S ISO1179 1 ¼” 210 T1, T2 ISO1179 3/4” 65 MA, MB ISO1179 3/8” 35 PS, S1, S2, HA, HB ISO1179 1/4” 25

31 V3.5EN PMH P Axial Piston Pumps 3) INSTALLATION INSTRUCTIONS The PMH P pump can be installed in the following position respect to the level of the tank of the hydraulic fluid.

3.2.1) Preliminary indicationsIn order to avoid an unwanted movement of the User, to keep the oil temperature between 60 °C (140°F) anddon’t start the Prime Mover (engine) and don’t connect 90°C (194°F). Temperature limits are –25°C (-13°F) forthe control linkage (lever) until expressly requested by cold start and 90°C (194°F) for peak temperature; thesethe following procedure. limit conditions can be maintained only for very short periods. In any case the above viscosities must be fulfilled.Use only Mineral Oil with high viscosity index, that canguarantee a viscosity of 16-36 cSt at working temperature. After the tank a filter must be placed (preferably withFor short periods a viscosity of 7 cSt at high temperature a clogging sensor), in order to guarantee the right oiland of 1600 cSt at cold start are allowable. For other cleanliness (b10≥2): for an efficient and lasting workingtypes of oil please contact PMP After Sales Department. life, a cleanliness of 18/16/13 according to ISO 4406Do not use water containing hydraulic oils (HFA, HFB & must be guaranteed. In any case not below 20/18/15HFC). according to ISO 4406.

Check that hydraulic fluid level (during the commissioning, Pump must be installed below the tank; the tank mustthe operation and after long storing period) is always be provided with a breather. The absolute pressure atadequate: case interior, suction line, service line have to charge pump inlet must be always above 0.8 bar.be and remain filled with the correct hydraulic fluid to

PMH Pavoid unit malfunctions or damage. The hydraulic circuit must be dimensioned in order to have no more than 3 bar continuous pressure and maxThe tank must be fit with the right heat exchanger in order 6 bar intermittent in the pump and motor case.

33 V3.5EN PMH P Axial Piston Pumps 3.2.3) Start 14. Start the Prime Mover (Engine) at 700-1000 rpm During installation and start-up it is very important to keep maximum cleanliness, especially at the hydraulic for around 40 sec (for internal combustion engine) connections, to avoid any dirt to get into the pump and or 20 sec (for electric motor) and check if the charge motor. pump gives pressure, by looking at the Charge Pressure Gauge. It is possible to unscrew the “Air Bleed Plug”, 1. Attach the pump to the Prime Mover (engine) without removing it, in order to make the air blood and the motor to the User, and tighten the bolts. easier; when oil appears, tighten the plug.

2. Connect the A/B pressure line and tighten the bolts. 15. Increase Prime Mover (Engine) speed at 2000 rpm: while keeping the control lever at 0 position (0 3. Fill with fresh and filtered oil the pump case and the displacement) check if the charge pressure gauge shows motor case, using the drain ports in the highest position; charge pump pressure setting ± 1 bar (± 15 psi). fill the oil till it reaches the same hole used for filling. 16. If the pressure is not stable or it is stable at a very 4. Connect the drain lines according to the sketch above different value from charge pump pressure setting ± and tighten the bolts. 1 bar (± 15 psi) there could be air inside the circuit: stop the engine, check hoses and connections and start engine again for 40 sec (or 20 sec for electric motor); if 5. Connect the cooler/tank/filter unit at the suction line after 2-3 trials the problem is still there please contact and tighten the bolts. technical assistance.PMH P

6. Fill the tank with fresh and filtered oil. 17. If the pressure is stable at charge pump pressure setting ± 1 bar (± 15 psi), set the engine speed at its 7. Loosen the suction line where it is connected to the normal working speed. If the engine speed is not in the pump.Wait for the oil to fill the hose and then tighten again. range 1500÷3000 rpm contact the technical support.

8. Check all the connections on the hoses, insuring they 18. Move the control lever slowly away from the 0 are well tightened. position, first at half stroke and then at full stroke in both directions for two or three times: pay attention since this will start moving the Motor and the User will have to be 9. Remove the PS plug on the side of the charge pump ready to work in safe conditions. in order to check the charge pressure (see Charge In case of MY control or Dead Man option ensure the Pressure Gauge on the picture of previous page). relative solenoid is energized otherwise no pressure will reach the control and the servo piston. 10. Fill with fresh oil the charge pump. 19. When the hydraulic motor is running the charge 11. Install a pressure gauge (0-60 bar / 0-870 PSI) on the pressure should go down by 3-5 bar (40-70 psi) PS port (see Charge Pressure Gauge on the picture of difference; if this is not happening please contact technical previous page). assistance.

12. Check if the User is free to move. 20. Stop the Prime Mover (Engine), remove the pressure gauge from PS port and put back the plug and tighten it. 13. Connect the control to the control system of the machine. 21. Check oil level on the tank and refill if necessary. - MS / MZ / MY / MT / MX / RE: tighten the control lever screw at 35 Nm 22. Check the oil tank is fully closed. - E1,2 / EP1,2 / EV1,2 / RE1,2 / MY / Dead Man: connect 23. Check there is no leakage in the circuit. Deutsch with cables 24. The hydraulic system is ready to work. - HP / HD: connect the control lines and tighten the nipples.

2.2.2) Hydraulic Fluid...................................................................................................................................... 38

2.1) General Information The PMH M is a fixed displacement motor due to leakage and considerably reduces the frictions. with axial pistons, swash plate design and can The small sizes allow easy installations. be used in closed loop systems. The motor was The PMH M motor is equipped with flushing valve developed for use on hydraulic transmissions, integrated on the motor casing which allows the where high speeds and high torques are demanded. temperature control, especially in heavy duty applications. The construction features help to minimize the losses

Recommended Hydraulic Fluid Mineal Oil High Viscosity Index Operating viscosity* ν cSt 16 ÷ 36 Maximum viscosity Short term at cold start νmax cSt ≤1600 Minimum viscosity at maximum temperature νmin cSt ≥7 Maximum working temperature of the fluid Tmax °C 90 *Referred to the circuit temperature-closed circuit

The PMH M is equipped with a flushing valve, to a heat exchanger. This flow is restored by the anti-integrated on the distributor of the motor that allows cavitation valve on the pump. The use of this valveto direct a flow of oil from the low pressure channel allows dispose of excessive heat.inside the motor and later through the discharge port,

A standard requirement is that the motor must be The motor must be connected to the tank throughfilled with pre filtered hydraulic oil. The case must be the drain line. Lack of compliance with that conditionfilled with oil both in operation and during the break. can damage the unit irreparably.

The case drain line must be always connected with following positions respect to the level of the tank of the highest port. The motor can be installed in the the hydraulic fluid:

2.2.2) Hydraulic Fluid...................................................................................................................................... 49

Recommended Hydraulic Fluid Mineal Oil High Viscosity IndexOperating viscosity* ν cSt 16 ÷ 36Maximum viscosity Short term at cold start νmax cSt ≤1600

The PMH MCF is optionally equipped with a flushing to a heat exchanger. This flow is restored by the anti- valve, integrated on the distributor of the motor that cavitation valve on the pump. The use of this valve allows to direct a flow of oil from the low pressure channel allows dispose of excessive heat. inside the motor and later through the discharge port,

A standard requirement is that the motor must be The motor must be connected to the tank through filled with pre filtered hydraulic oil. The case must be the drain line. Lack of compliance with that condition filled with oil both in operation and during the break. can damage the unit irreparably.

The case drain line must be always connected with following positions respect to the level of the tank of the highest port. The motor can be installed in the the hydraulic fluid:

2.2.2) Hydraulic Fluid...................................................................................................................................... 62

240 240 bar - shockless valve A A A P280 Piloted dual step valve, 280 bar max setting R R - 8 brake opening valve MT55 MT130 MT180 D With hydraulic delay valve A A A E With electronic valve A A A 0 Without brake valve A A A 9 Smoothness valve MT55 MT130 MT180 S With Smoothness valve A A A 0 Without Smoothness valve A A A

2.1) General Information The PMH M motor is equipped with with The PMH MT is a fixed displacement motor with axial • hydraulic negative brake pistons, swash plate design specifically designed for the • anticavitation valves swing drive of hydraulic excavators. • shockless valves • smoothness valve for anti swing-back function

Recommended Hydraulic Fluid Mineal Oil High Viscosity Index Operating viscosity* ν cSt 16 ÷ 36 Maximum viscosity Short term at cold start νmax cSt ≤1600 Minimum viscosity at maximum temperature νmin cSt ≥7 Maximum working temperature of the fluid Tmax °C 90 *Referred to the circuit temperature-closed circuitPMH MT

A standard requirement is that the motor must be The motor must be connected to the tank through filled with pre filtered hydraulic oil. The case must be the drain line. Lack of compliance with that condition filled with oil both in operation and during the break. can damage the unit irreparably.PMH MT

With hydraulic delay valve PBP -Brake pilot port Pressurized to disengage the parking brake PBP

The case drain line must be always connected with the following positions respect to the level of the tank of highest drain port. The motor can be installed in the the hydraulic fluid:

2.2.2) Hydraulic Fluid...................................................................................................................................... 75

The PMH MKF is a fixed displacement motor due to leakage and reduces considerablywith axial pistons, inclined swash plate design internal frictions. The small dimensions allow easyfor closed loop systems. MKF motors were installation. PMH MKF motors are equipped withdeveloped for use on hydraulic transmissions, integrated flushing valve which improves thermalwhere high speeds and high torques are requested. performance especially in heavy duty applications.The MKF design and construction minimize losses

Recommended Hydraulic Fluid Mineral Oil High Viscosity IndexOperating viscosity* ν cSt 16 ÷ 36Maximum viscosity Short term at cold start νmax cSt ≤1600Minimum viscosity at maximum temperature νmin cSt ≥7Maximum working temperature of the fluid Tmax °C 90*Referred to the circuit temperature-closed circuit

The PMH MKF is equipped with a flushing valve, the discharge port, to a heat exchanger. This flow isintegrated on the distributor of the motor, that restored by the anti-cavitation valve on the pump.allows to direct a flow of oil from the low pressure The use of this valve allows dispose of excessive heat.channel inside the motor and successively through

A standard requirement is that the motor must be The motor must be connected to the tank throughfilled with pre filtered hydraulic oil. The case must be the drain line. Lack of compliance with that conditionfilled with oil both in operation and during the break. can damage the unit irreparably.

The case drain line must be always connected with following positions respect to the level of the tank ofthe highest port. The motor can be installed in the the hydraulic fluid:

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