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 375 of 1188

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

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DRAFT

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TFFT 4801

Step 13.

Stop crew cab air conditioner (WP 0008).

Shut vehicle engine off (TM 9-2320-347-10).

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

Disconnect non-operating

body condenser wire harness condenser fan connector. While an assistant starts crew

cab air conditioner (WP 0008).

With a test lead set, check for 22 to 28 VDC at wire

1394 from non-operating body condenser wire harness crew cab condenser fan

connector, terminal 1 to a known good ground.

If 22 to 28 VDC are not present, repair wire 1394 in body condenser wire

harness if repairable (TM 9-2320-325-14&P), or replace body condenser

wire harness (WP 0436).

Step 14.

Stop crew cab air conditioner (WP 0008).

Shut vehicle engine off (TM 9-2320-347-10).

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

With a test lead set, check

for continuity across wire 1640 from non-operating body condenser wire harness crew

cab condenser fan connector, terminal 2 to a known good ground.

a.

If continuity is present, replace non-operating air conditioner condenser

fan (WP 0199).

b.

If there is no continuity, repair wire 1640 in body condenser wire

harness if repairable (TM 9-2320-325-14&P), or replace body air

condenser wire harness (WP 0436).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION