TM-5-4210-249-13-P-2

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 2 OF 4

TM-5-4210-249-13-P-2 - Page 200 of 1452

TM 5-4210-249-13&P-2

0137-6

DRAFT

0137

TFFT04634

Step 9.

Stop water pump engine (WP 0022).

Turn battery disconnect switch to OFF

position (WP 0007).

Connect wire 4075 (red) to TANK TO PUMP indicator terminal.

Disconnect wire 1023 (black) from PUMP RUNNING indicator terminal.

Check for

continuity across wire 1023 (black) from PUMP RUNNING indicator connector terminal

to a known good ground.

If there is no continuity, repair wire 1023 in cab pump control wire harness if

repairable (TM 9-2320-325-14&P), or replace cab pump control wire

harness (WP 0443).

Step 10.

Connect wire 1023 (black) to PUMP RUNNING indicator connector.

Disconnect

jumperwire 2768 (white) from PUMP RUNNING indicator terminals.

Check for

continuity across wire 2768 (white) from terminal to terminal.

a.

If there is continuity, replace PUMP RUNNING indicator (WP 0313).

b.

If there is no continuity, repair or replace

jumperwire 2768 (TM 9-2320-325-14&P).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION