TM-9-2320-366-20-2

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-2 - Page 587 of 1632

TM 9-2320-366-20-2

Change 1

2-1450.9

VOLTAGE TEST

Remove rings, bracelets, watches, necklaces,

and any other jewelry before working around

vehicle.

Jewelry can catch on equipment and

cause injury or short across electrical circuits

and cause severe burns or electrical shock.

WARNING

(1) Install circuit breaker CB50 in PDP.

(2) Position MAIN WINCH RH SPEED switch to

HIGH.

(3) Set multimeter to volts DC.

(4) Connect positive (+) probe of multimeter

to terminal block TB12.

(5) Connect negative (-) probe of multimeter to

ground

and note reading on multimeter.

(6) If 24 VDC is not present, replace MAIN

WINCH RH SPEED switch (para 7-34) and

M1089 control panel wiring harness

(para 7-83).

(7) If 24 VDC is present, replace M1089 30K

winch control wiring harness (para 7-142).

(8) Position MAIN WINCH RH SPEED switch to

LOW.

(9) Close LH and RH catwalks.

(10) Install PDP cover (para 16-2).

(11) Install wrecker control panel top cover

(para 14-4).