Unit Mechanical Troubleshooting - continued

TM 9-2320-386-24-1-1

0010 00

Unit Mechanical Troubleshooting (Contd)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

46. WINCH WILL NOT HOLD LOAD

Check automatic brake adjustment.

Adjust automatic brake (WP 0225 00).

END OF TESTING!

47. AUTOMATIC BRAKE OVERHEATS

Step 1. Check weight limits of winch.

Adjust size of load.

Step 2. Adjust setscrew 1/4-turn counterclockwise. Recheck brake for overheating.

If condition continues, notify direct support maintenance.

END OF TESTING!

AIR COMPRESSOR

48. LOW AIR PRESSURE (NO AIR LEAKS, GOVERNOR PROPERLY ADJUSTED AND OPERATIVE)

Replace air compressor (WP 0169 001).

END OF TESTING!

49. AIR COMPRESSOR PASSES EXCESSIVE OIL (EXCESSIVE OIL BLED FROM AIR RESERVOIRS)

Slowly bleed and check reservoirs for excessive amounts of oil (TM 9-2320-386-10).

If reservoirs bleed oil, replace air compressor (WP 0169 00).

END OF TESTING!

50. AIR COMPRESSOR DOES NOT UNLOAD (AIR GOVERNOR ADJUSTED AND OPERATIVE)

Replace air compressor (WP 0169 00).

END OF TESTING!

51. WATER LEAKING FROM COMPRESSOR HEAD

Step 1. Ensure compressor coolant lines and fittings are tight and sealed properly.

Tighten or reseal lines and fittings.

Step 2. Check compressor head for cracks and loose mounting screws.

a. Tighten loose mounting screws.

b. Replace air compressor if leaking continues (WP 0169 00).

END OF TESTING!

PERSONNEL HEATER

52. HEATER WILL NOT OPERATE IN HIGH OR LOW POSITION

Refer to Electrical Troubleshooting, WP 0011 00.

END OF TESTING!

53. HEATER WILL NOT OPERATE

NOTE

Sticking thermostat will cause heater to blow cold air.

Step 1. Check personnel heater controls for proper operation (TM 9-2320-386-10).

Step 2. Refer to Electrical Troubleshooting, WP 0011 00.

END OF TESTING!