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 976 of 1188

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

0115-30

DRAFT

0115

TFFT04145

Step 53.

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

Remove pump prime primer

valve inline fuse (WP 0261).

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

While an assistant pushes pump operator’s panel PUMP PRIMER switch (WP 0004),

check for 22 to 28 VDC between pump house wire harness pump prime primer valve

inline fuse connector, wire 4064 (red) and a known good ground.

If 22 to 28 VDC are not present, replace pump prime primer valve control

solenoid (WP 0266).

Step 54.

Check for continuity across pump prime valve inline fuse from terminal to terminal.

a.

If continuity is present, repair wire 4065 in pump house wire harness if

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

harness (WP 0458).

b.

If there is no continuity present, replace pump prime primer valve inline

fuse (WP 0261).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION