pto hydraulic pump for vacuum planter factory

It mounts easily to any planter and, depending which pump size is purchased, will provide an extra 12 gpm to 40 gpm as well as 4 to 6 additional ports.

Many producers wanting to upgrade or upsize their air seeders discover they are lacking hydraulic capacity on their current tractor, and don’t have room in their machinery budget to upgrade their tractor.

One solution is the Command HydraBoost PTO-driven auxiliary hydraulic system, these can operate a portion of the hydraulic flow requirement, allowing producers to continue using their favourite tractor! These units come in several sizes, the larger sizes - 24gpm, 32 gpm & 40 gpm are used in combination with air seeders.

PTO-driven hydraulic vacuum pumpThis attachment allows using the vacuum seed meter system pump with tractors having an open-center hydraulic system and/or a 540-rpm or 1000-rpm PTO.

Flat seed disks such as edible bean and sweet corn require high levels of vacuum. These disks require a dual vacuum motor configuration on planters over 8 rows. The 1000-rpm PTO pump is not adequate for this application.

Anybody ever put a PTO driven hydraulic pump on their planting outfit to compensate for lack of tractor hydraulics. I am nervous as to how much hydraulic capacity a new vacuum planter with central fill and variable rate is going to take. I see Rowe manufacturing makes a kit for this. Was thinking this might be a better route than pushing tractor to its limits. Would be on a 24 row CCS planter.

We usually pull our vacuum metered 7200 6/30" with Dad"s 4320, last spring the 4320 went down and it was going to be a couple weeks to get it back up & running. Out came the 1964 3010D. I had my doubts, but the hyds on that tractor were plenty to run the vacuum / fertilizer auger & lift. It sure was a handful getting over the sand hills power wise, the old NA 4 cylinder was smoking & throwing sparks giving everything it had, the front wheels were even floating from time to time. Was kinda fun, it"s not every day that planting feels like tractor pulling.

That said, with a little prep and if your on relatively flat ground, a MX110 will probably handle that planter. The hyd will run everything just fine, it"ll just struggle some when pulling a hill or soft spot. Might have to drop a gear lower than you like & probably will need some extra weight on the front.

For a PTO pump, when you start adding up the parts & headaches trying to design your own, I think you"ll find that $1800 is actually a pretty good deal. Especially if you consider the chance of putting something together & it doesn"t work out. We"ve all been there, something looks great on paper, you spend a couple days getting it all set up, then find out you"ve got to start nearly from scratch again. Get into planting season & it isn"t working, you"d gladly spend $1800 to get out in the field.

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Prince PTO pumps are specifically designed for PTO drive operation on all sizes of farm tractors. No additional gearbox is required. Pumps are mounted by sliding the internally splined pump onto the PTO splined shaft and restraining rotation with a torque arm. See page P6 for the PTO pump torque arm kit.

2022 John Deere Mounted Planters 1705 Twin Row6 twin rows with 36-in (91-cm) or 38-in (96-cm) spacingAvailable in 2-bu. twin row MaxEmerge™ 5 row unit

Features may include:Seed variable-rate drive provides the ultimate planting productivitySeed variable-rate drive provides the ultimate planting productivity by utilizing one, two, or three hydraulic motors (varies by model) to turn the seeding drive shaft. Hydraulic control of the seeding drive allows for on-the-go seeding rate changes right from the display mounted inside the tractor cab. Combine this seeding flexibility with the map-based planting option, and seeding rates adjust automatically based on the prescribed map.Variable-rate drive offers the following advantages over common, ground, or contact-tire drive systems:Rate changes are almost instantaneous; no ramp up or ramp down of system as in some competitive systemsPermits the producer to match seed population based on different soil types or irrigation practicesJohn Deere design provides added operator safety by eliminating any possible drive creep found in some competitive variable-rate drive systemsSingle- or dual-motor systems for variable-rate drives are available for all John Deere planters except the 1785 Rigid Frame. Variable-rate drive is available as a factory-installed option for all applicable planter models.Single- or dual-motor systems are available as field-installed attachments for most planter models; however, a three-motor variable-rate drive field-installed attachment is not available.Seed variable-rate drive requires the SeedStar™ monitor and a radar input signal. Either tractor or planter radar may be used. Planter radar is ordered separately.Vacuum systemVacuum is created by a hydraulically driven vacuum blower assembly mounted on the planter frame. The vacuum blower requires a tractor with a closed-center hydraulic system and a separate selective control valve (SCV). For tractors with open-center hydraulic system, a vacuum 540-rpm or 1000-rpm power take-off (PTO) driven hydraulic pump system is available. PTO pumps offered from the factory are limited to 15-row applications or less.Different vacuum levels are required depending on the crop being planted. A hydraulic control valve lets the operator regulate vacuum blower speed, changing the vacuum level. On late-model John Deere tractors, vacuum levels are set from the tractor seat using the SCV controls. The control valve is not needed in those applications. At full flow, the system flows up to 18.9 L/min (5 gpm) per motor.Convenient vacuum gauges located on the planter hitch give a visual indication of the vacuum level. When using a SeedStar™ monitor, the vacuum level can be displayed on the monitor. Consult the vacuum metering seed charts in the operator"s manual for initial vacuum setting recommendations.All planters with vacuum metering systems have case drain motors on the vacuum blowers. Case drain lines will have a flush-face case drain coupler on the planter and will require a corresponding flush-face case drain coupler on the tractor. The flush-face coupler simplifies implement attachment by allowing operators to easily identify the case drain. The unique hose tip is unable to connect to another coupler on the tractor, ensuring the correct setup.

The PTO gearbox and pump assemblies are ideas for adding power to tractor or landscape equipment not already equipped with hydraulic circuits. Use to power hydraulic motors front end loaders, mowers, and rotary sweepers. The gearbox and pump range offer either direct or remote mounting options to the tractor PTO to provide independent hydraulic service.

The Pump kit is consists of an aluminum-alloy housing and a high-strength hydraulic PTO gear pump. With bearable steel gears and shafts, it has an extending product life cycle, more sturdy and durable.

The spline type shaft runs coordinately with the hydraulic gear pump, rotated in clockwise. Gear Ratio: 1: 3.8. The whole PTO pump set can work under the condition that the Max pressure is 250bar / 3500psi.

The PTO gear pump with its speed up to 540rpm, with its power in 20kw and runs in a low noise condition. There are two oil ports for oil inlet and outlet respectively, fast and convenient, capable of quick oil output.

This tractor PTO pump with an excellent performance in pumping out oil with its displacement of 25 cc/rev, 53 liters per minute. No worries about oil trapping or leaking.

The whole set PTO gearbox hydraulic pump includes a clockwise gearbox with a long tube sleeve, and inside gear pump. A free seal ring helps to ensure no oil leakage.

With excellent performance and high efficiency, it is widely used in many industries such as agricultural, garden, and transportation, to power hydraulic motors front end loaders, mowers, and rotary sweepers.

Check that the electric motor is running. Although this is a simple concept, before you begin replacing parts, it’s critical that you make sure the electric motor is running. This can often be one of the easiest aspects to overlook, but it is necessary to confirm before moving forward.

Check that the pump shaft is rotating. Even though coupling guards and C-face mounts can make this difficult to confirm, it is important to establish if your pump shaft is rotating. If it isn’t, this could be an indication of a more severe issue, and this should be investigated immediately.

Check the oil level. This one tends to be the more obvious check, as it is often one of the only factors inspected before the pump is changed. The oil level should be three inches above the pump suction. Otherwise, a vortex can form in the reservoir, allowing air into the pump.

If the oil level is low, determine where the leak is in the system. Although this can be a difficult process, it is necessary to ensure your machines are performing properly. Leaks can be difficult to find.

What does the pump sound like when it is operating normally? Vane pumps generally are quieter than piston and gear pumps. If the pump has a high-pitched whining sound, it most likely is cavitating. If it has a knocking sound, like marbles rattling around, then aeration is the likely cause.

Cavitation is the formation and collapse of air cavities in the liquid. When the pump cannot get the total volume of oil it needs, cavitation occurs. Hydraulic oil contains approximately nine percent dissolved air. When the pump does not receive adequate oil volume at its suction port, high vacuum pressure occurs.

This dissolved air is pulled out of the oil on the suction side and then collapses or implodes on the pressure side. The implosions produce a very steady, high-pitched sound. As the air bubbles collapse, the inside of the pump is damaged.

While cavitation is a devastating development, with proper preventative maintenance practices and a quality monitoring system, early detection and deterrence remain attainable goals. UE System’s UltraTrak 850S CD pump cavitation sensor is a Smart Analog Sensor designed and optimized to detect cavitation on pumps earlier by measuring the ultrasound produced as cavitation starts to develop early-onset bubbles in the pump. By continuously monitoring the impact caused by cavitation, the system provides a simple, single value to trend and alert when cavitation is occurring.

The oil viscosity is too high. Low oil temperature increases the oil viscosity, making it harder for the oil to reach the pump. Most hydraulic systems should not be started with the oil any colder than 40°F and should not be put under load until the oil is at least 70°F.

Many reservoirs do not have heaters, particularly in the South. Even when heaters are available, they are often disconnected. While the damage may not be immediate, if a pump is continually started up when the oil is too cold, the pump will fail prematurely.

The suction filter or strainer is contaminated. A strainer is typically 74 or 149 microns in size and is used to keep “large” particles out of the pump. The strainer may be located inside or outside the reservoir. Strainers located inside the reservoir are out of sight and out of mind. Many times, maintenance personnel are not even aware that there is a strainer in the reservoir.

The suction strainer should be removed from the line or reservoir and cleaned a minimum of once a year. Years ago, a plant sought out help to troubleshoot a system that had already had five pumps changed within a single week. Upon closer inspection, it was discovered that the breather cap was missing, allowing dirty air to flow directly into the reservoir.

A check of the hydraulic schematic showed a strainer in the suction line inside the tank. When the strainer was removed, a shop rag was found wrapped around the screen mesh. Apparently, someone had used the rag to plug the breather cap opening, and it had then fallen into the tank. Contamination can come from a variety of different sources, so it pays to be vigilant and responsible with our practices and reliability measures.

The electric motor is driving the hydraulic pump at a speed that is higher than the pump’s rating. All pumps have a recommended maximum drive speed. If the speed is too high, a higher volume of oil will be needed at the suction port.

Due to the size of the suction port, adequate oil cannot fill the suction cavity in the pump, resulting in cavitation. Although this rarely happens, some pumps are rated at a maximum drive speed of 1,200 revolutions per minute (RPM), while others have a maximum speed of 3,600 RPM. The drive speed should be checked any time a pump is replaced with a different brand or model.

Every one of these devastating causes of cavitation threatens to cause major, irreversible damage to your equipment. Therefore, it’s not only critical to have proper, proactive practices in place, but also a monitoring system that can continuously protect your valuable assets, such as UE System’s UltraTrak 850S CD pump cavitation senor. These sensors regularly monitor the health of your pumps and alert you immediately if cavitation symptoms are present, allowing you to take corrective action before it’s too late.

Aeration is sometimes known as pseudo cavitation because air is entering the pump suction cavity. However, the causes of aeration are entirely different than that of cavitation. While cavitation pulls air out of the oil, aeration is the result of outside air entering the pump’s suction line.

Several factors can cause aeration, including an air leak in the suction line. This could be in the form of a loose connection, a cracked line, or an improper fitting seal. One method of finding the leak is to squirt oil around the suction line fittings. The fluid will be momentarily drawn into the suction line, and the knocking sound inside the pump will stop for a short period of time once the airflow path is found.

A bad shaft seal can also cause aeration if the system is supplied by one or more fixed displacement pumps. Oil that bypasses inside a fixed displacement pump is ported back to the suction port. If the shaft seal is worn or damaged, air can flow through the seal and into the pump’s suction cavity.

As mentioned previously, if the oil level is too low, oil can enter the suction line and flow into the pump. Therefore, always check the oil level with all cylinders in the retracted position.

If a new pump is installed and pressure will not build, the shaft may be rotating in the wrong direction. Some gear pumps can be rotated in either direction, but most have an arrow on the housing indicating the direction of rotation, as depicted in Figure 2.

Pump rotation should always be viewed from the shaft end. If the pump is rotated in the wrong direction, adequate fluid will not fill the suction port due to the pump’s internal design.

A fixed displacement pump delivers a constant volume of oil for a given shaft speed. A relief valve must be included downstream of the pump to limit the maximum pressure in the system.

After the visual and sound checks are made, the next step is to determine whether you have a volume or pressure problem. If the pressure will not build to the desired level, isolate the pump and relief valve from the system. This can be done by closing a valve, plugging the line downstream, or blocking the relief valve. If the pressure builds when this is done, there is a component downstream of the isolation point that is bypassing. If the pressure does not build up, the pump or relief valve is bad.

If the system is operating at a slower speed, a volume problem exists. Pumps wear over time, which results in less oil being delivered. While a flow meter can be installed in the pump’s outlet line, this is not always practical, as the proper fittings and adapters may not be available. To determine if the pump is badly worn and bypassing, first check the current to the electric motor. If possible, this test should be made when the pump is new to establish a reference. Electric motor horsepower is relative to the hydraulic horsepower required by the system.

For example, if a 50-GPM pump is used and the maximum pressure is 1,500 psi, a 50-hp motor will be required. If the pump is delivering less oil than when it was new, the current to drive the pump will drop. A 230-volt, 50-hp motor has an average full load rating of 130 amps. If the amperage is considerably lower, the pump is most likely bypassing and should be changed.

Figure 4.To isolate a fixed displacement pump and relief valve from the system, close a valve or plug the line downstream (left). If pressure builds, a component downstream of the isolation point is bypassing (right).

The most common type of variable displacement pump is the pressure-compensating design. The compensator setting limits the maximum pressure at the pump’s outlet port. The pump should be isolated as described for the fixed displacement pump.

If pressure does not build up, the relief valve or pump compensator may be bad. Prior to checking either component, perform the necessary lockout procedures and verify that the pressure at the outlet port is zero psi. The relief valve and compensator can then be taken apart and checked for contamination, wear, and broken springs.

Install a flow meter in the case drain line and check the flow rate. Most variable displacement pumps bypass one to three percent of the maximum pump volume through the case drain line. If the flow rate reaches 10 percent, the pump should be changed. Permanently installing a flow meter in the case drain line is an excellent reliability and troubleshooting tool.

Ensure the compensator is 200 psi above the maximum load pressure. If set too low, the compensator spool will shift and start reducing the pump volume when the system is calling for maximum volume.

Performing these recommended tests should help you make good decisions about the condition of your pumps or the cause of pump failures. If you change a pump, have a reason for changing it. Don’t just do it because you have a spare one in stock.

Conduct a reliability assessment on each of your hydraulic systems so when an issue occurs, you will have current pressure and temperature readings to consult.

Al Smiley is the president of GPM Hydraulic Consulting Inc., located in Monroe, Georgia. Since 1994, GPM has provided hydraulic training, consulting and reliability assessments to companies in t...

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