TM-9-2320-279-10-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

OPERATOR’S MANUAL VOLUME 1 OF 2

DECEMBER 1998

CHANGE 5

TM-9-2320-279-10-1 - Page 231 of 773

TM 9-2320-279-10-1

M977 Through M985 General Operating Procedures (Cont)

CAUTION

Failure to place light switches in the OFF positions

when vehicle is not in use may cause battery and/or

vehicle damage.

d.

Turn Service Drive Lights On/Off.

(1)

Lift up and hold UNLOCK lever (1).

(2)

Set lighting control lever (2) to SER DRIVE.

(3)

Let go of UNLOCK lever (1). Service headlights (3) and taillights (4)

will come on. Service stoplights (5) will light when brakes are used.

(4)

Press dimmer switch (6) with foot to use high or low headlight beam.

High beam indicator (7) will light when high beam is on.

(5)

Set lighting control lever (2) to OFF. Service headlights (3) and

taillights (4) will go out.

Change 5

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