HYDROSTATIC POWER TRAIN
4181384 First Edition 5-9
5
Symptom: Hydraulic System Operating Hot
Symptom: Excessive Pump Noise
Wheel Restraint
Figure 5-5: Wheel Restraint Fabrication Instructions
Probable Cause Remedy
Hydraulic oil not at correct level in reservoir. Fill reservoir to correct level. (Refer to “Safety, Operation, and
Maintenance Manual” for the correct oil specifications.)
Oil cooler has dirt or debris in fins. Clean oil cooler fins of dirt and debris.
Incorrect charge pressure relief setting. Test charge pressure relief valve setting. (See “Transmission
Neutral Adjustment” on page 5-18.)
Faulty charge pump. Test and repair. (See “Cutting Unit/Charge Pump Test” on
page 6-31.)
Probable Cause Remedy
Hydraulic oil not at correct level in reservoir. Fill reservoir to correct level. (Refer to “Safety, Operation, and
Maintenance Manual” for the correct oil specifications.)
Hydraulic oil cold. Warm hydraulic oil to operating temperature.
Pump damage. Repair pump as necessary. (See “Tandem Pump” on page 6-44.)
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