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 410 of 1188

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

0072-8

DRAFT

0072

TFFT04824

Step 9.

Disconnect body condenser wire harness crew cab air conditioner binary switch

connector from crew cab air conditioner binary switch.

Install a jumperwire into body

condenser wire harness crew cab air conditioner binary switch connector, wire 4041

terminal to wire 1640 terminal.

Start crew cab air conditioner (WP 0008).

Change crew

cab air conditioner control panel set point to 45ºF (7ºC) (WP 0009).

Check if crew cab

air conditioner compressor clutch engages.

a.

If crew cab air conditioner compressor clutch does not engage,

troubleshoot Crew Cab Air Conditioner/Heater Does Not Operate

Properly (WP 0070).

b.

If crew cab air conditioner compressor clutch engages, replace crew

cab air conditioner binary switch (WP 0197).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION