TM-9-2320-273-34

TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

DECEMBER 1980

TM-9-2320-273-34 - Page 572 of 801

TM9-2320-273-34

b.

Cylinder Head Group.

(1) Install gasket (24, fig. 14-10), compressor head (23), gasket (22), and cover (21). Secure

with washer (20), Iockwasher (19), and capscrews (18). Tighten alternately to 15-19 Ib-ft (20-26 N·m)

torque.

(2) Coat exhaust valve (16) with engine oil.

(3)

Place the exhaust valve on the exhaust valve seat (14) and install new O-rings (13) and

(15) on the exhaust valve seat. Lubricate both O-rings,

(4) install exhaust valve spring (17) in head, as shown in figure 14-26.

TA 074382

Figure 14-26. Install Exhaust Valve Spring.

(5) Install exhaust valve unit in the head. Apply pressure with thumbs to seat the exhaust

valve (fig. 14-27).

TA 074383

Figure 14-27. Install Exhaust Valve and Seat.

14-25