NO AIR PRESSURE PRESENT AT ALL M1088 REAR AND FIFTH WHEEL GLADHANDS (cont)

TM 9-2320-366-20-2

(1) Loosen air hose 108 at TRAILER AIR SUPPLY

valve control port.

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

(3) Push in SYSTEM PARK control

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

(4) Check for presence of air at air hose 108.

(5) If air is not present, replace air hose 108

(para 11-21).

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

(7) Tighten air hose 108 at TRAILER AIR SUPPLY

valve control port.

(1) Loosen air hose 104 at TRAILER AIR SUPPLY

valve supply port.

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

(3) Push in SYSTEM PARK control

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

(4) Check for presence of air at air hose 104.

(5) If air is not present, replace air hose 104

(para 11-21).

(6) If air is present, replace TRAILER AIR SUPPLY

valve (para 11-20).

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

(8) Tighten air hose 104 at TRAILER AIR SUPPLY

valve supply port.

(9) Push SYSTEM PARK and TRAILER AIR

SUPPLY valves back into personnel heater.

(10) Install dash plate on personnel heater with six

screws.

(11) Install nuts on valve stems.

(12) Install SYSTEM PARK and TRAILER AIR

SUPPLY knobs.

Change 1

2-1976.41