Table 4-4. Organizational Troubleshooting Chart - continued

TM5-4210-224-14&P

Table 4-4. Organizational Troubleshooting Chart.(Continued)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

35. WINDSHIELD WIPERS INOPERATIVE.

Step 1. Check for blown fuse.

Replace fuse.

Step 2. Inspect for damaged motor.

36. WINDSHIELD WASHER INOPERATIVE.

Step 1. Check for defective pump assembly by applying air pressure to tubing connection on side of pump

assembly. Pump is defective if fluid is not pumped through outlet port at top center of pump.

Replace pump assembly (paragraph 4-125).

Step 2. Check for leaking air line or loose connection.

Tighten connection or replace air line.

37. NOISE FROM SPEEDOMETER.

Inspect cable and casing for kinks, bends or burn marks.

Replace cable or casing (paragraph 4-127).

38. INADEQUATE DEFROSTING.

Step 1. Check that defrost lever is operating.

Adjust as necessary.

Step 2. Inspect for obstructions in defroster ducts.

Remove any obstructions.

39. ERRATIC HEATER OPERATION.

Step 1. Check coolant level.

Fill to proper level.

Step 2. Check for kinked heater hoses.

Relieve kinks or replace hoses.

Step 3. Test blower motor.

Replace if defective (paragraph 4-137).

PROPELLER SHAFT ASSEMBLY

40. NOISY PROPELLER SHAFT.

Inspect for bent or dented drive shafts.

Replace drive shafts (paragraph 4-186).

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