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TM5-4210-229-14&P
Table 4-4. Organizational Troubleshooting Chart
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
33. ROOF WARNING LIGHT OPERATES BUT FAILS TO ROTATE.
Step 1. Check for defective internal motor.
Replace motor (paragraph 4-100).
Step 2. Check for binding mechanism.
Disassemble, clean and reassemble as required.
34. ROOF WARNING LIGHT OPERATES INTERMITTENTLY WHILE ROTATING.
Check if internal brush is worn or corroded.
Clean or replace brush (paragraph 4-100).
35. WINDSHIELD WIPERS INOPERATIVE.
Step 1. Check for blown fuse.
Replace fuse.
Step 2. Inspect for damaged motor.
Replace motor (paragraph-4-100).
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 4-105).
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 4-107).
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 (paragraph 4-58).
Step 2. Check for kinked heater hoses.
Relieve kinks or replace hoses.
Step 3. Test blower motor.
Replace if defective (paragraph 4-112).
PROPELLER SHAFT ASSEMBLY
40. NOISY PROPELLER SHAFT.
Inspect for bent or dented drive shafts.
Replace drive shafts (paragraph 4-150).
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