M1088 TRAILER HANDBRAKE DOES NOT OPERATE (cont)

TM 9-2320-366-20-2

(1) Loosen air hose 161 at trailer service brake

valve supply port.

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

(3) Check for presence of air at air hose 161.

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

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

fault.

(6) If air is present, replace trailer service brake

valve (para 11-32).

(7) Tighten air hose 161 at trailer service brake

valve supply port.

(1) Loosen air hose 161 at park control two-way

check valve delivery port.

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

(3) Check for presence of air at park control

two-way check valve delivery port.

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

(5) If air is not present, replace park control

two-way check valve (para 11-19).

(6) If air is present, replace air hose 161

(para 11-21).

(7) Tighten air hose 161 at park control two-way

check valve delivery port.

Change 1

2-1977