TB-9-2320-279-13-P-4

TRUCK, TRACTOR, LIGHT EQUIPMENT TRANSPORTER (LET), 8X8, M983A2 LET

TECHNICAL BULLETIN; OPERATOR AND FIELD LEVEL

APRIL 2008

TB-9-2320-279-13-P-4 - Page 299 of 744

FIELD MAINTENANCE

WINCH MAKES EXCESSIVE OR UNUSUAL NOISE, OPERATES SLOWLY, OR JERKS

INITIAL SETUP:

Tools and Special Tools

Cap and Plug Set (WP 0081, Table 2, Item 1)

Kit, Hydraulic Test (WP 0081, Table 2, Item 2)

Tool Kit, General Mechanic's: Automotive (WP

0081, Table 2, Item 5)

Wrench, 18 in. Adjustable (WP 0081, Table 2,

Item 6)

Goggles, Industrial (WP 0081, Table 2, Item 7)

Personnel Required

Wheeled Vehicle Mechanic 63B (2)

Equipment Condition

Engine OFF (refer to TM 9-2320-279-10).

Parking brake applied (refer to TM 9-2320-279-10).

Wheels chocked (refer to TM 9-2320-279-10).

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).

H

Y

DRAULIC

RESERVOIR

SIGHT

GLASS

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?

TB 9-2320-279-13&P-4

0031

0031-1