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 235 of 1452

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

0141-5/(6 blank)

DRAFT

0141

END OF TASK

FOLLOW-ON MAINTENANCE

Remove wheel chocks (TM 9-2320-347-10)

END OF TASK

END OF WORK PACKAGE

TFFT03563

Step 4.

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

Put WATER TANK DRAIN

switch to OPEN position (WP 0004).

Check for 22 to 28 VDC between pump operator’s

panel wire harness wire 4053 (brown) at WATER TANK DRAIN indicator and a known

good ground.

Put pump operator’s panel WATER TANK DRAIN switch to CLOSED

position (WP 0004).

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

Connect pump house wire harness water tank drain control valve connector.

a.

If 22 to 28 VDC are present, replace pump operator’s panel WATER

TANK DRAIN indicator (WP 0326).

b.

If 22 to 28 VDC are not present, repair wire 4053 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