TM-9-2320-272-10

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; OPERATOR'S MANUAL

SEPTEMBER 2004

CHANGE 2

TM-9-2320-272-10 - Page 217 of 481

TM 9-2320-272-10

2-116

TM 9-2320-272-10

NOTE

All winching and recovery operations will be performed IAW FM 20-

22.

a.

Preparation for Use.

(1)

Park vehicle directly facing object to be winched, if possible. If vehicle cannot

be parked in a direct line with object to be winched, refer to task e.

(2)

Place transmission selector lever (3) in N (neutral).

(3)

Apply parking brake (4).

(4)

Turn ignition switch (1) and battery switch (2) to OFF position.

CAUTION

• Before opening reservoir, make sure area around reservoir filler

cap is clean. Do not allow dirt, dust, or water to enter reservoir.

Failure to do this may cause damage to internal components.

• Do not proceed with winch operation if oil level is less than

halfway from end of dipstick to FULL mark on wrecker models or

in red area of dipstick on all other models. Damage to internal

components may result.

(5)

Check oil level in hydraulic oil reservoir (5). Refer to paragraph 2-4 for

locations of hydraulic oil reservoir.

2-22. OPERATION OF FRONT WINCH