Hydraulic System Troubleshooting

Hydraulic System Troubleshooting

Hydraulic System Troubleshooting

Comments Off on Hydraulic System Troubleshooting

At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic Parts
Today we will discuss;

Hydraulic System Troubleshooting

Below is a list of problems and what causes the problems.

Problem                                                                                            Cause

The hydraulic system will not operate                                        1,2,3,4

Show hydraulic system action                                                      1,3,5,7,8

Hydraulic action is not smooth                                                    1,5,7,8,9

Lift arms go up slowly at full engine RPM                                 1,3,5,7,8,10,12

The lift arms will move with the the pedal in neutral              6,11


The lift arms come down slowly with the pedal in the            6,11,12,13

neutral position


Description of Causes (numbers above correlate to the number below

  1. Fluid level is not correct.
  2. Pedal linkage is disconnected.
  3. Hydraulic pump is not working correctly.
  4. Relief valve is not working correctly.
  5. Pedal linkage is not adjusted correctly.
  6. Pedal lock linkage is not adjusted correctly.
  7. Relief valve is not at he correct pressure.
  8. Suction leak on the inlet side of the hydraulic pump.
  9. Fluid is cold.
  10. Using the loader for more than its rated capacity.
  11. Spool in the valve section is not centering or the centering spring is broken.
  12. Internal leak at the lift cylinder(s).
  13. External lea the lift cylinder(s).

Need more info on troubleshooting, leave us a comment,

or call us at 800-361-0068


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    1644 Eason Blvd
    Tupelo, MS 38801
  Toll Free: (800) 361-0068
  Local: +1 (662) 680-8899
  Email: info@hydrostatic-transmission.com

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