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 914 of 1188

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

0113-10

DRAFT

0113

TFFT03444

Step 13.

Install circuit breaker P8 (WP 0412). Open pump operator’s panel housing (WP 0325).

Disconnect pump operator’s panel wire harness PASSENGER SIDE AUX. INLET valve

control connector.

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

With a

test lead set, check for 22 to 28 VDC between pump operator’s panel wire harness wire

4084 (white) at PASSENGER SIDE AUX. 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

PASSENGER SIDE AUX. INLET valve control connector, terminal B to a known good

ground.

a.

If there is continuity, replace PASSENGER SIDE AUX. 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