TM-9-2320-285-10
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; OPERATOR’S MANUAL
JUNE 1985
TM-9-2320-285-10 - Page 106 of 121
TM 9-2320-285-10
3-8.
TESTING (Continued)
a.
Lights (Continued).
(3)
Press dimmer switch to check headlight low beam and high beam operation.
(4)
Operate turn signal lever and hazard warning switch to check operation of left and right turn signal lights.
b.
Horns.
(1)
Start engine.
(2)
Press steering wheel horn button to be sure electric horn will sound.
(3)
Pull horn lanyard to be sure that air horn sounds.
3-33/(3-34 blank)
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