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 801 of 1188

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

0106-11

DRAFT

0106

TFFT03425

Step 13.

Install circuit breaker P15 (WP 0412).

Open pump operator’s panel housing

(WP 0325).

Disconnect pump operator’s panel wire harness DRIVER MAIN INLET

valve control connector.

Turn battery disconnect switch to ON position (WP 0007).

Check for 22 to 28 VDC between pump operator’s panel wire harness wire 4082 (gray)

at DRIVER MAIN INLET valve control connector, terminal A and a known good ground.

If 22 to 28 VDC are not present, go to Step 15.

Step 14.

Turn battery disconnect switch to OFF position (WP 0007).

With a test lead set, check

for continuity across wire 3895 (black) from pump operator’s panel wire harness

DRIVER MAIN INLET valve control connector, terminal B and a known good ground.

a.

If there is continuity, replace DRIVER MAIN INLET valve control

(WP 0418).

b.

If there is no continuity, repair wire 3895 in pump operator’s panel wire

harness if repairable (TM 9-2320-325-14&P), or replace pump

operator’s panel wire harness (WP 0459).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION