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 464 of 1188

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

0078-2

DRAFT

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TFFT04428

Step 1.

Start water pump engine (WP 0022).

Operate pump operator’s panel pressure

governor (WP 0024).

Check if pump pressure increases when pump operator’s panel

pressure governor is operated.

If pump pressure does not increase when pump operator’s panel pressure

governor is operated, go to Step 8.

Step 2.

Push IDLE switch on pump operator’s panel pressure governor (WP 0004).

Check if

PUMP ENGAGED LED illuminates (WP 0004).

If PUMP ENGAGED LED does not illuminate, troubleshoot water pump

engine governor control panel THROTTLE READY and /or PUMP

ENGAGED LEDs do not illuminate (WP 0147).

Step 3.

Put pump operator’s panel pressure governor in RPM mode (WP 0024).

Check if

pump operator’s panel pressure governor changes water pump engine RPM.

If pump operator’s panel pressure governor does not change water pump

engine RPM, troubleshoot water pump engine governor control does not

change engine speed (WP 0077).