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 42 of 1452
TM 5-4210-249-13&P-2
0127-6
DRAFT
0127
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 11.
Turn battery disconnect switch to OFF position (WP 0007).
Open pump operator’s
panel housing (WP 0325).
Disconnect pump intake digital pressure gauge wire harness
connector from PUMP INTAKE digital pressure gauge.
Turn battery disconnect switch
to ON position (WP 0007).
With a test lead set, check for 22 to 28 VDC on wire 2341 at
pump intake pressure gauge wire harness connector, terminal 4.
If 22 to 28 VDC are not present, repair wire 2341 in pump operator’s panel
wire harness if repairable (TM 9-2320-325-14&P), or replace pump
operator’s panel wire harness (WP 0459).
Step 12.
Turn battery disconnect switch to OFF position (WP 0007).
With a test lead set, check
for continuity across wire 3895 at pump intake pressure gauge wire harness connector,
terminal 5, to a known good ground.
a.
If continuity is present, replace PUMP INTAKE digital pressure
gauge (WP 0317).
b.
If continuity is not present, repair wire 3895 in pump operator’s panel
wire harness if repairable (TM 9-2320-325-14&P), or replace pump
operator’s panel wire harness (WP 0459).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
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