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 783 of 1452

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

0183-7

DRAFT

0183

TFFT04611

Step 9.

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

Disconnect main wire

harness wire 4091(green) from rear compartment heater fuel pump terminal.

Turn

battery disconnect switch to ON position (WP 0007).

Check for 22 to 28 VDC between

main wire harness rear compartment heater fuel pump wire 4091(green), terminal and a

known good ground.

If 22 to 28 VDC are not present, go to Step 13.

Step 10.

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

Connect main wire harness

wire 4091(green) to rear compartment heater fuel pump.

Disconnect main wire harness

rear compartment heater fuel pump wire 4092 (violet) connector from rear compartment

heater fuel pump terminal.

Check for 22 to 28 VDC at wire 4092 (violet) connection on

rear compartment heater fuel pump and a known good ground.

If 22 to 28 VDC are not present, replace rear compartment heater fuel

pump (WP 0467).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION