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 120 of 1452

TM 5-4210-249-13&P-2
0130-48
DRAFT
0130
END OF TASK
FOLLOW-ON MAINTENANCE
Remove wheel chocks (TM 9-2320-347-10)
END OF TASK
END OF WORK PACKAGE
TFFT02983
Step 68.
Install circuit breaker FS 11 (WP 0401).
Remove relay 4 (WP 0402).
With a test lead
set, check for continuity across cab power distribution wire harness wire 1186 (gray)
from relay 4 connector, terminal 4 to cab instrument panel wire harness cab power
distribution wire harness connector, terminal 15.
If there is no continuity, repair wire 1186 in cab power distribution wire
harness if repairable (TM 9-2320-325-14&P), or replace cab power
distribution wire harness and block (WP 0441)
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 69.
Turn battery disconnect switch to ON position (WP 0007).
Check for 22 to 28 VDC
between wire 2345 (red) at cab power distribution wire harness relay 4 connector,
terminal 3 and a known good ground.
a.
If 22 to 28 VDC are present, replace relay 4 (WP 0402).
b.
If 22 to 28 VDC are not present, replace cab power distribution wire
harness and block (WP 0441).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION


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