FIGURE 43. Trailer supply valve location

MWO 9-2320-287-35

dm.

Start the engine per TM 9-2320-270-10.

dn.

Push in the trailer air supply control (20).

Figure 43.

T r a i l e r supply valve location

do.

Apply soap solution on all new fittings and hose connections.

dp.

If air is leaking from any fitting or hose connection, turn the engine off,

drain air system, tighten loose fittings or hose connections and repeat steps dm

through do.

OPERATIONAL CHECK

dq. Hook up tow bar (1) to the rear of the towing truck (2), and to the front of

the truck (3) to be towed.

dr. Hook one end of the red hose assembly (4) to gladhand (5) and the other end

to gladhand (6).

ds. Hook one end of the blue hose assembly (7) to gladhand (8) and the other end

to gladhand (9).