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 701 of 1452

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

0176-13

DRAFT

0176

TFFT04308

Step 19.

Install circuit breaker 6 (WP 0398).

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

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

Check for 22 to 28 VDC

between pump operator’s panel wire harness wire 2346 (red) at PANEL LIGHTS switch

terminal connector, and a known good ground.

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

Step 20.

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

Check for continuity across

PANEL LIGHTS switch from terminal connector to terminal connector, when switch is

put to on position.

a.

If there is continuity, repair wire 1661 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).

b.

If there is no continuity, replace PANEL LIGHTS switch (WP 0328).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION