TM 9-2320-272-24-2
3-323. FRONT WINCH AUTOMATIC BRAKE ADJUSTMENT
THIS TASK COVERS:
b. Adjustment
a. Testing
INITIAL SETUP:
EQUIPMENT CONDITION
APPLICABLE MODELS
Parking brake set (TM 9-2320-272-10).
All with winch
GENERAL SAFETY INSTRUCTIONS
TOOLS
l Wear hand protection when handling winch cable.
General mechanic' tool kit (Appendix E, Item 1)
s
Never stand between vehicles during test.
l
PERSONNEL REQUIRED
l Assistant must remain in second vehicle to engage
service brakes if cable snaps or winch automatic
Two
brake fails.
REFERENCES (TM)
l A minimum of four turns of cable must remain on
winch drive at all times.
TM 9-2320-272-10
NOTE
The procedures for testing and adjustment of front and rear winch
automatic brakes are the same. This procedure covers the front
winch automatic brake. Refer to TM 9-2320-272-10 for winch
operation.
a. Testing
CAUTION
Selection of grade used in this procedure should be within the
tolerance capabilities of the second vehicle. Failure to comply may
result in damage to equipment.
1.
Position test vehicle (1) at top of steep grade, facing downhill, with engine running
(TM 9-2320-272-10).
2.
Position second vehicle (4) at bottom of steep grade, facing uphill, with engine running. Refer to
operator' manual for second vehicle (4).
s
WARNING
Never stand between vehicles during test. Assistant must
l
remain in second vehicle to engage service brakes if cable snaps
or winch automatic brake fails while towing vehicle. Failure to
comply may result in injury to personnel.
Wear hand protection when handling winch cable. Broken wires
l
may cause injury to personnel.
l A minimum of four turns of cable must remain on winch drum
at all times. Failure to do this may result in injury to personnel
or damage to equipment.
3.
Release winch cable (3) (TM 9-2320-272-10) from test vehicle (1) and rig to second vehicle (4).
4.
Refer to operator' manual for second vehicle (4) and prepare vehicle (1) as follows:
s
a. Place transmission lever (5) in NEUTRAL position.
b. Disengage parking brake (TM 9-2320-272-10).
c. Disengage front wheel drive lever if engaged (TM 9-2320-272-10).
5.
Prepare front winch (2) of vehicle (1) for winding (TM 9-2320-272-10).
3-824
