Table 2-1. Direct Support and General Support Troubleshooting Table

TM5-241O-237-34

Table 2-1.

Direct Support and General Support Troubleshooting Table (Cont'd)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Perform hydraulic system flow tests (page 13-111) for circuit.

Step 4.

Repair or replace hydraulic pump or control valve as indicated by flow

test results.

50.

RIPPER MOVES VERY SLOWLY/NO DOWN PRESSURE IN LIFT CIRCUIT (DOZER TILT CIRCUIT OK)

Inspect the pilot line between the pilot valves and the bulldozer control

Step 1.

valve shuttle valve for restriction.

Repair or replace line (TM5-2410-237-20 or page 13-67).

Step 2.

Check the shuttle valve for damage. Remove bulldozer control valve (page

13-15) and remove shuttle valve components.

Replace worn or damaged parts.

HYDRAULIC OIL IS OVERHEATING (INDICATED BY BLOWN OIL SEALS, DECREASED LIFE

51.

OF COMPONENTS)

Step 1.

Check oil level in the hydraulic tank.

Add oil as required to fill (L05-2410-237-12).

Step 2.

Check lines, hoses, connections, valves and cylinders for leaks.

Repair or replace as required.

Step 3.

Check pressure relief valve setting.

Perform hydraulic system flow tests

(page 13-111).

Adjust relief valve setting or repair bulldozer control valve (page 13-15).

END OF TESTING!

WINCH

52.

WINCH DOES NOT OPERATE

Verify that winch control linkage adjustment is correct (TM5-2410-237-20).

Step 1.

Inspect winch control lever and linkage for damage.

Step 2.

Replace lever and/or linkage, if necessary (page 12-48).

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