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TM 5-2420-222-34
Table 2-1. Troubleshooting (Con’t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
Remove rear axle housing (see paragraph 9-3). Check for leakage past pressure plate.
Repair pressure plate (see paragraph 10-3).
Step 3.
Check hydraulic brake cylinder for defective check valve or equalizing valve.
Repair or replace hydraulic brake cylinder (see paragraph 10-4).
24.
BRAKES DO NOT HOLD OR STOP LOADER BACKHOE.
Check for worn or damaged brake disks and pressure plate.
Repair or replace as required (see paragraph 10-3).
STEERING
25.
STEERING WHEEL DOES NOT CENTER.
Check steering valve for broken centering springs.
Replace centering springs (see paragraph 11-3).
26.
NO RESPONSE WHEN STEERING WHEEL IS TURNED SLOWLY.
Check steering valve for worn or damaged control sleeve and spool.
Replace steering valve (see paragraph 11-3).
27.
WRONG RESPONSE TO STEERING.
Check steering valve gear for damage.
Replace steering valve gear (see paragraph 11-3).
28.
CONTINUOUS STEERING WHEEL ROTATION AND NO RESPONSE.
Step 1.
Check steering cylinders for leakage.
Repair steering cylinders (see paragraph 11-2).
Step 2.
Check steering column for broken steering shaft.
Replace steering shaft (see paragraph 11-1).
Step 3.
Check steering valve for broken centering springs.
Replace centering springs (see paragraph 11-3).
2-11
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