TM-9-2320-430-10
TRUCK, TRACTOR, 8X8, M983
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 2009
TM-9-2320-430-10 - Page 376 of 868
WINCH MIRED VEHICLE FORWARD - Continued
25.
When winch cable (9) is let out to heavy object, release winch shift lever (4) to center
position.
26.
Set PTO ENGAGE switch (2) to OFF position. Indicator light (3) will go out.
27.
If snatch block must be used for self-recovery operation, attach self-recovery winch
cable (9) to snatch block (WP 0083) and connect end of self-recovery winch cable to
mired vehicle left front towing eye. (WP 0084) Attach snatch block to tree, another
vehicle, or heavy object refer to FM 4-30.31. (WP 0142)
CAUTION
There must always be at least five wraps of cable on winch. If load is
applied with less than five wraps of cable on winch, cable may come loose
on drum.
28.
Check that there are at least five wraps of winch cable (9) left on winch (10). If there
are not at least five wraps of winch cable left on self-recovery winch, stop using self-
recovery winch and continue with Step (54) of this procedure.
CAUTION
Do not go over winch pull capacity or winch may be damaged.
29.
Ensure weight of mired vehicle and amount of winch cable (9) left on self-recovery
winch (10) does not go over pull capacity (refer to FM 4-30.31 (WP 0142) and Self-
Recovery Winch Pull Capacity table below). If pull will go over capacity, stop using
self-recovery winch and continue with Step (54) of this procedure.
Table 1.
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 0142) or Connect/Disconnect Self-
TM 9-2320-430-10
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