TM-9-2350-256-20-1

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 2

NOVEMBER 2005

TM-9-2350-256-20-1 - Page 530 of 948

TM 9-2350-256-20-1

0084 00

Troubleshooting Procedure

B.O. Drive Condition

Symptom

B.O. drive lights malfunctioning.

Malfunction

B.O. drive lights fail to operate.

Do steps 1 thru 11.

CORRECTIVE ACTION

WARNING

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts a metal surface a direct

short may result in instant heating of tools, damage to equipment, and injury or death to personnel.

1.

Loosen four screws (1) and remove cover (2) of left hand headlight assembly. Remove lamp and place

red lead of multimeter in socket and black lead to ground. Turn MASTER switch ON, press B.O.

DRIVE key and ENTER key on main light switch, and check for voltage. Turn MASTER and B.O.

SELECTOR switches OFF. If voltage is present, replace bulb (see WP 0175 00). If voltage is not

present, go to step 2.

0084 00-2