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 234 of 481

TM 9-2320-272-10

2-133

(24)

To prepare rear winch for travel:

(a)

Manually push level wind (5) completely to the right. Pull out drum

lock knob (6), rotate 90 degrees, and release. If necessary, adjust level wind (5) to

ensure lock plunger engages.

(b)

Place cable chain (7) and hook (9) up through right bumperette (8)

and down through left bumperette (10).

(c)

Place cable chain (7) and hook (9) around chain (7) between

bumperettes (8) and (10).

(d)

Push directional control lever (1) into WIND. Stop when cable is snug

and replace travel pin.

(25)

Pull cable tensioner switch (3) up to disengage tensioner.

(26)

Place torque control lever (2) in NEUTRAL and replace travel pin.

(27)

Turn off floodlights (11) if used.

(28)

Disengage hand throttle control (13) by rotating handle and pushing in to

allow engine speed to drop to idle.

(29)

Pull transfer case power

takeoff control lever (18) forward to

disengage, and lock in position.

(30)

Place transmission

selector lever (15) in N (neutral).

(31)

Turn off main floodlight

switch (16) and amber warning light

switch (14), if used.

(32)

If field chocks (12) were

used:

(a)

Make sure transfer

case shift lever (17) is in high range.

(b)

Release parking

brake lever (19).

(c)

Place transmission

selector lever (15) in 1-5 (drive) to

move vehicle ahead far enough to

free chocks (12).

(d)

Stop vehicle, shut

down engine, and engage parking

brake lever (19) (para. 2-16).

(e)

Remove field

chocks (12).

2-24. OPERATION OF MEDIUM WRECKER (Contd)