NO AIR PRESSURE PRESENT AT M1088 REAR AND/OR FIFTH WHEEL SERVICE GLADHAND(S) (cont)

TM 9-2320-366-20-2

(1) Loosen air hose 257 (rear service gladhand)

or 263 (fifth wheel service gladhand) at service

gladhand selector valve output to affected

service gladhand.

(2) Position service gladhand selector valve to

to affected gladhand (TM 9-2320-366-10-1).

(3) Start engine (TM 9-2320-366-10-1).

(4) Push in TRAILER AIR SUPPLY control

(TM 9-2320-366-10-1).

(5) Apply service brakes (TM 9-2320-366-10-1).

(6) Check for presence of air at service

gladhand selector valve output to affected

service gladhand.

(7) Shut down engine (TM 9-2320-366-10-1).

(8) If air is not present, replace service

gladhand selector valve (para 11-33).

(9) If air is present, replace air hose 257 or 263

(para 11-21).

(10) Tighten air hose 257 (rear service gladhand)

or 263 (fifth wheel service gladhand) at service

gladhand selector valve output to affected

service gladhand.

(1) Loosen air hose 258 at service gladhand

selector valve supply port.

(2) Start engine (TM 9-2320-366-10-1).

(3) Push in TRAILER AIR SUPPLY control

(TM 9-2320-366-10-1).

(4) Apply service brakes (TM 9-2320-366-10-1).

(5) Check for presence of air at air hose 258.

(6) Shut down engine (TM 9-2320-366-10-1).

(7) If air is not present, go to step 5 of this fault.

(8) If air is present, replace service gladhand

selector valve (para 11-33).

(9) Tighten air hose 258 at service gladhand

selector valve supply port.

Change 1

2-1976.53