DRAFT
TM 5-4210-249-13&P-2
0146
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFF4682
WARNING
ICON 3
Remove rings, wristwatches, neck chains, and any other jewelry before working
around vehicle. Jewelry can catch on equipment and cause serious injury. Jewelry
and tools may short across electrical circuits and cause damage to equipment, or
severe burns or electrical shock to personnel.
Step 10.
Shut off water pump engine (WP 0022). Turn battery disconnect switch to OFF position
(WP 0007). Remove pump house panel S (WP 0540). Remove relay P4 from pump
house power distribution block. Start water pump engine (WP 0022). Check for 22 to
28 VDC from wire 4075 at relay P4 terminal 1 to a known good ground.
If 22 to 28 VDC are not present, repair wire 4075 in pump house power
distribution wire harness if repairable (TM 9-2320-325-14&P), or replace
pump house power distribution wire harness and block (WP 0457).
Step 11.
Shut off water pump engine (WP 0022). Turn battery disconnect switch to OFF
position (WP 0007). Remove circuit breaker P6 from pump house power distribution
block. Check for continuity across circuit breaker P6.
If continuity is not present, replace circuit breaker P6 (WP 0412).
0146-9