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 956 of 1188

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

0115-10

DRAFT

0115

TFFT04110

Step 13.

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

Remove driver main inlet

primer valve inline fuse (WP 0261).

Turn battery disconnect switch to ON position

(WP 0007).

While an assistant pushes and holds pump operator’s panel DRIVER

MAIN INLET PRIMER switch (WP 0004), check for 22 to 28 VDC between pump house

wire harness driver main inlet primer valve inline fuse connector, terminal wire 4066

(orange) and a known good ground.

If 22 to 28 VDC are not present, replace driver main inlet primer valve

control solenoid (WP 0266).

Step 14.

Check for continuity across driver main inlet primer valve inline fuse from terminal to

terminal.

a.

If continuity is present, repair wire 4067 in pump house wire harness if

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

harness (WP 0458).

b.

If continuity is not present, replace driver main inlet primer valve inline

fuse (WP 0261).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION