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4. MAINTENANCE
4.35 TROUBLESHOOTING-cont'd
CAUSE REMEDY
Faulty hydraulic pump or drive motor -
cont'd.
Improper type of fuel.
Excessive mud or debris build-up.
Below normal engine temperature.
Improper valve clearance.
Cylinder leaking.
Piston rod bent.
Missing hydraulic cylinder pin.
Kinked or broken hoses.
Low hydraulic fluid.
Faulty hydraulic pump.
Brake valve faulty.
Loose wires.
No release pressure.
Faulty relay.
Replace pump if pressure is not in specified
range in hydraulic motor drive circuit.
Check drive motors case, drain flow
.5GPM max. drum, tires blocked, engine
running.
Use proper fuel.
Clean/pressure wash.
Remove and check thermostat.
See your authorized servicing dealer or
engine distributor.
Replace hydraulic cylinder.
Replace hydraulic cylinder.
Replace.
Replace.
Add fluid.
Check hydraulic steering circuit for
maximum pressure of 2,300 psi at full
RPM. Replace or repair by authorized
Service Center.
Check brake light operation.
Check for 12 volt A brake valve, see
Wiring.
Check wiring for loose or broken wiring.
Check pump for proper charge pressure
220-260psi.
Check, replace if required.
PROBLEM
Unit lacks power - cont'd.
Unit won't steer.
Brakes don't hold properly.
Brake stays on.