TM-9-2320-365-20-1

M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-365-20-1 - Page 1415 of 1760

TM 9-2320-365-20-1

Change 2

2-999

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 personnel heater hoses (para 18-9).

(2) Remove PTO switch from auxiliary panel.

(3) Install PTO switch on connector P904.

(4) Remove WTEC III relay K37 from PDP.

(5) Insert relay test wire in PDP, terminal 87,

where WTEC III relay K37 was removed.

(6) Install WTEC III relay K37 in PDP.

(7) Set multimeter to volts dc.

(8) Connect positive (+) probe of multimeter to

relay test wire.

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

ground.

(10) Start engine (TM 9-2320-365-10).

(11) Position PTO switch to on

(TM 9-2320-365-10) and note reading on

multimeter.

(12) If 24 vdc is not present, go to step 18 of

this faulty.

(13) Position PTO switch to off

(TM 9-2320-365-10).

(14) Shut down engine (TM 9-2320-365-10).

(15) Remove WTEC III relay relay K37 from PDP.

(16) Remove relay test wire from PDP.

(17) Install WTEC III relay K37 in PDP.