TM-9-2320-338-10

TRUCK, CARGO, 8X8, M977A4

TECHNICAL MANUAL; OPERATOR'S MANUAL

OCTOBER 2008

TM-9-2320-338-10 - Page 542 of 1120

23. Ensure weight of mired vehicle and amount of winch cable (9) left on winch (10) does

not go over pull capacity refer to FM 4-30.31 (WP 0160) and Self-Recovery Winch Pull

Capacity table below). If pull will go over capacity, stop using self-recovery winch and

continue with Step (46) of this procedure.

Table 2.

Self-Recovery Winch Pull Capacity.

Cable Layer

Maximum Line Pull

1st layer (five wraps)

20,000 lbs (9 080 kg)

2nd layer

18,173 lbs (8 251 kg)

3rd layer

16,663 lbs (7 565 kg)

4th layer

15,361 lbs (6 974 kg)

5th layer

14,254 lbs (6 471 kg)

NOTE

If winch cable will be connected to another vehicle acting as a stationary

anchor, refer to FM 4-30.31 (WP 0160) or Connect/Disconnect Self-Re-

covery Winch Cable to Another Vehicle (WP 0086) for connecting pro-

cedures.

24. If it is determined using self-recovery winch (10) will not go over winch pull capacity,

connect winch cable (9) to heavy object.

25. Ensure winch shift lever (4) is at center position.

26. Set PTO ENGAGE switch (2) to OFF position. Indicator light (3) will go out.

27. Set HYD ENABLE switch (2) to off position. MAIN HYD ENABLE indicator (3) will go

out.

WARNING

Do not operate winch while personnel are working on or around tension-

ing device. Failure to comply may result in injury or death to personnel.

28. Pull back and hold tension pulley lever (14).

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