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 175 of 948

TM 9-2350-256-20-1

0042 00

Troubleshooting Procedure

Master Relay and Slave Receptacle

Symptom

Master relay or slave receptacle malfunctioning.

Malfunction

Master relay fails to operate.

Do steps 1 thru 7.

No power to slave receptacle.

Do steps 8 and 9.

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.

Remove master relay lamp from socket. Place red lead of multimeter in socket and black lead to

ground. Turn MASTER switch on and check for voltage. Turn MASTER switch OFF. If voltage is

present, replace lamp (see WP 0159 00). If voltage is not present, go to step 2.

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