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 223 of 481

TM 9-2320-272-10

2-122

(4)

To lower load:

(a)

Push front winch control lever (2) forward to WINCH.

(b)

Observe directions of ground guide.

(c)

After load has been lowered, release front winch control lever

(2) to NEUTRAL.

(d)

Direct ground guide to maintain tension on cable while

unrigging load.

2-22. OPERATION OF FRONT WINCH (Contd)

g.

After Winch Operation.

(1)

Direct ground guide to maintain tension on cable.

(2)

Pull front winch control lever (2) back to WIND.

(3)

Watch ground guide for signal indicating cable chain coupling is approach-

ing drum.

(4)

Release winch control lever (2) when signalled by ground guide.

(5)

Direct crewmember to:

(a)

Disengage drum clutch by pushing clutch control lever (4) toward the

winch.

CAUTION

Do not force clutch control lever. If lever does not easily disen-

gage, slightly engage winch control lever in WIND until clutch

control lever returns without force.

(b)

Swing hinged latch (3) down to lock clutch control lever (4) in disen-

gaged position.

(c)

Pull out drum lock knob (5), rotate 90 degrees, and release. If neces-

sary, rotate drum by hand to allow drum lock plunger to engage.