TM-9-2350-238-20-2

CRANE (CAB) COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT,ARMORED, M578

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL

MAY 1993

CHANGE 1

TM-9-2350-238-20-2 - Page 99 of 495

WARNING

TM

9-2350-238-20- 2

(3) Cab signal flasher headlight does not operate when flasher indicator lamp is o n

and MASTER and FLASHER SIGNAL switches are ON .

Step 1 .

Remove lamp (1) from cab signal flasher headlight (2), refer to page 2-279 .

Connect multimeter to contacts of lamp. If multimeter indicates about 1

ohm, go to step 2. If multimeter indicates infinity, replace lamp, refer t o

page 2-279 .

Make sure MASTER switch is OFF before repairing electrical com-

ponents. Failure to observe this warning could result in injury t o

personnel .

Step 2 .

Disconnect lead 325A (1) from cab signal flasher headlight (2). Place re d

probe in lead 325A. Ground black probe. Set MASTER switch ON. Se t

FLASHER SIGNAL switch ON. If multimeter indicates about 24 volts ,

replace cab signal flasher headlight, refer to page 2-279. If multimeter in-

dicates no voltage, repair lead 325A between cab signal flasher headligh t

and flasher assembly, refer to page 2-66. Set MASTER switch OFF. Se t

FLASHER SIGNAL switch OFF. Connect lead .

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