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 977 of 1188

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

0115-31

DRAFT

0115

TFFT04172

Step 55.

While an assistant puts and holds pump operator’s panel PUMP PRIMER switch to on

position (WP 0004), check for 22 to 28 VDC between pump house wire harness wire

1590 (red) at pump prime primer valve control solenoid and a known good ground.

If 22 to 28 VDC are not present, go to Step 57.

Step 56.

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

Check for continuity across

pump house wire harness wire 1640 (black) from pump prime primer valve control

solenoid terminal to a known good ground.

a.

If continuity is present, replace pump prime primer valve control

solenoid (WP 0266).

b.

If continuity is not present, repair wire 1640 in pump house wire

harness if repairable (TM 9-2320-325-14&P), or replace wire harness

(WP 0458).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION