TB 9-2320-279-13&P-4
FIELD MAINTENANCE
WINCH MAKES EXCESSIVE OR UNUSUAL NOISE, OPERATES SLOWLY, OR JERKS
INITIAL SETUP:
Tools and Special Tools
Personnel Required
Cap and Plug Set (WP 0081, Table 2, Item 1)
Wheeled Vehicle Mechanic 63B (2)
Kit, Hydraulic Test (WP 0081, Table 2, Item 2)
Tool Kit, General Mechanic's: Automotive (WP
Equipment Condition
0081, Table 2, Item 5)
Engine OFF (refer to TM 9-2320-279-10).
Wrench, 18 in. Adjustable (WP 0081, Table 2,
Parking brake applied (refer to TM 9-2320-279-10).
Item 6)
Wheels chocked (refer to TM 9-2320-279-10).
Goggles, Industrial (WP 0081, Table 2, Item 7)
TROUBLESHOOTING PROCEDURE
WINCH MAKES EXCESSIVE OR UNUSUAL NOISE, OPERATES SLOWLY, OR JERKS
TEST 1 - Is fluid at proper level in hydraulic reservoir?
1. Check that hydraulic fluid in sight glass is at FULL COLD mark (refer to TM 9-2320-279-10).
2. If hydraulic fluid is below FULL COLD mark, add hydraulic fluid as required (refer to TM 9-2320-279-10).
SIGHT
GLASS
HYDRAULIC
RESERVOIR
Figure 1.
CONDITION/INDICATION
Is fluid at proper level in hydraulic reservoir?
DECISION
No - Test 8 - Does heavy-duty winch operate normally?
Yes - Test 2 - Is selector valve in OUT position?