Possible Cause Corrective Action
Vehicle tires improperly inflated Set to suggested pressure
Control linkage bent, loose or out of adjustment Repair, adjust or replace linkage
Bypass loose Tighten bypass
Inlet leak Check all externals to pump inlet
Excessive input speed Adjust input above 1800 rpm and below 3600 rpm
Oil level low or contaminated oil Fill to proper level or change oil
Excessive loading Reduce vehicle load
Air trapped in hydraulic system Purge hydraulic system
Bypass loose Tighten bypass
Inlet leak, line or filter partially blocked or damaged Check all externals to pump inlet
Engine RPM low Adjust to correct setting
Control linkage bent, loose or out of adjustment Repair, adjust or replace linkage
Drive belt slipping or pulley damaged Repair or replace drive belt or pulley
Oil level low or contaminated oil Fill to proper level or change oil
Excessive loading Reduce vehicle load
Bypass loose Tighten bypass
Air trapped in hydraulic system Purge hydraulic system
Inlet leak Check all externals to pump inlet
Inlet filter clogged Replace filter
Suspected internal damage Check using flow test kit
Debris buildup Remove debris
Oil level low or contaminated oil Fill to proper level or change oil
Hydro cooler clogged (If applicable) Clean hydraulic cooler
Excessive loading Reduce vehicle load
Air trapped in hydraulic system Purge hydraulic system
Inlet leak Check all externals to pump inlet
Control linkage damaged or not connected Repair or reconnect control linkage
Drive belt broken Replace belt
Low on fluid Refill reservoir
NOTES:
E. Symptom: Unit Will Not Move When Control Is Moved
Hydro Pump Troubleshooting
A. Symptom: Vehicle Does Not Drive/Track Straight
B. Symptom: Unit Is Noisy
C. Symptom: Unit Has No/Low Power
D. Symptom: Unit Operating Hot
52
To Next Page
Loading...
