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 145 at booster valve supply

port.

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

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

(4) Check for presence of air at air hose 145.

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

(6) If air is not present, go to step 10 of this

fault.

(7) If air is present, replace booster valve

(para 11-15).

(8) Tighten air hose 145 at booster valve supply

port.

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

(2) Loosen air hose 145 at service gladhand

two-way check valve delivery port.

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

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

(5) Check for presence of air at service gladhand

two-way check valve delivery port.

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

(7) If air is not present, replace service gladhand

two-way check valve (para 11-25).

(8) If air is present, replace air hose 145

(para 11-21).

(9) Tighten air hose 145 at service gladhand

two-way check valve delivery port.

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

Change 1

2-1976.59