TM-5-4210-249-13-P-1

TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 1 OF 4

TM-5-4210-249-13-P-1 - Page 457 of 1188

TM 5-4210-249-13&P-1

0077-5

DRAFT

0077

TFFT04408

WARNING

ICON 3

Remove rings, wristwatches, neck chains, and any other jewelry before working

around vehicle.

Jewelry can catch on equipment and cause serious injury.

Jewelry

and tools may short across electrical circuits and cause damage to equipment, or

severe burns or electrical shock to personnel.

Step 8.

Turn water pump engine to off (WP 0022).

Turn battery disconnect switch to OFF

position (WP 0007).

Remove cab instrument panel E (WP 0311).

Disconnect main

wire harness personnel cab pressure governor 12-terminal wire harness connector from

personnel cab pressure governor.

Open pump operator’s panel housing (WP 0325).

Disconnect main wire harness dual governor pressure switch wire harness 4-terminal

connector.

With a test lead set, check for continuity across wire 2000 in main wire

harness from personnel cab pressure governor 12-terminal wire harness connector,

terminal 8 to dual governor pressure switch wire harness 4-terminal connector,

terminal 3.

a.

If continuity is present, replace dual governor pressure

switch (WP 0386).

b.

If continuity is not present, repair wire 2000 in main wire harness if

repairable (TM 9-2320-325-14&P), or replace main wire

harness (WP 0455).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION