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 41 of 1452

TM 5-4210-249-13&P-2
0127-5
DRAFT
0127
Step 9.
Connect pump intake digital pressure gauge wire harness connector to PUMP INTAKE
digital pressure gauge (WP 0317).
Turn battery disconnect switch to ON position
(WP 0007).
With a test lead set, check for 22 to 28 VDC from pump intake pressure
transducer wire harness connector, terminal B to a known good ground.
a.
If 22 to 28 VDC are present, replace pump intake pressure transducer
(WP 0411).
b.
If 22 to 28 VDC are not present, replace PUMP INTAKE digital
pressure gauge (WP 0317).
TFFT04355
Step 10.
Turn battery disconnect switch to OFF position (WP 0007).
Open pump operator’s
panel housing (WP 0325).
Open pump house panel A (WP 0539).
Check pump intake
pressure line from pump intake pressure test gauge panel to priming pump connector at
water pump intake for leaks, kinks, or damage (WP 0490).
a.
If pump intake pressure line is free from leaks, kinks, or damage,
replace pump intake pressure transducer (WP 0411).
b.
If pump intake pressure line is not free from leaks, kinks, or damage,
replace pump intake pressure line (WP 0490).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION


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