SECTION 3 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS
3-18 3121801
Steering inoperative
Steer switch on controller not functioning properly. Repair or replace switch.
Hydraulic system pressure too low. Adjust pressure.
Loose or damaged wiring on control switch or solenoid valve. Ensure proper connection of wires at control switch or sole-
noid valve. Using suitable test meter, perform continuity test
on wires. Repair or replace wires as necessary.
Solenoid valve not functioning properly. Repair or replace valve.
Restricted or broken hydraulic line on valve bank or hydraulic
pump.
Clean, repair or replace line.
Relief valve improperly set or not functioning properly. Reset, repair or replace valve as necessary.
Steer cylinder not functioning properly. Repair or replace cylinder.
Machine will not steer left or right
Steer switch on controller not functioning properly. Replace controller.
Wiring on steer control switch is damaged. Repair or replace wiring.
Wiring on solenoid valve damaged. Repair or replace wiring.
Coil in solenoid damaged. Replace coil.
Bent cylinder rod. Repair or replace cylinder.
Damaged steer linkage. Repair or replace steer linkage.
Machine wanders; steering not firm
Crossover relief valve set too low or not functioning properly. Reset, repair or replace valve as necessary.
Steer linkage loose. Tighten linkage.
Spindle bushings badly worn. Replace bushings.
Table 3-2. Chassis Troubleshooting
TROUBLE PROBABLE CAUSE REMEDY
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