Figure 1-1. Cylinder Head Nut Tightening Sequence

TM 9-2320-211-20-3-1

NOTE

If the truck has been driven to the using organi-

zation, most or all of the above procedures should

have been done.

(4) Follow the general procedures given in TM 9-2320-211-10-1.

(2) Specific procedures.

(a) Before starting the engine, takeoff the cylinder head covers.

Tighten the cylinder head nuts, a little at a time, to the torque values given and in

the sequence shown in figure 1-1.

NOTE

Letters TD are cast on block 11610199 near the

engine date plate.

Block 11610199

Block 10935254

1. 40 pound-feet

3. 110 pound-feet

1. 40 pound-feet

3. 110 pound-feet

4. 130 pound-feet

2. 80 pound-feet

2. 80 pound-feet 4. 130 pound-feet

5. 157 pound-feet

Figure 1-1. Cylinder Head Nut Tightening Sequence

(b) Warm up engine and retighten cylinder-head nuts to 130 pound-feet

torque for 10935254 and 154 pound-feet torque for 11610199 in the sequence shown in

NOTE

Do not use Alcoa thread lube on cylinder studs;

use engine oil.

Refer to volume 1 for these procedures.

(d) Grease or oil those points illustrated in the lubrication order regard-

less of interval, except the gear cases and engine. Check processing tag for gear

case and engine oil. If the tag states that the oil is suitable for 500 miles of operation

and is of the proper grade for local climate operation, check the level but do not

change the oil.

(e) Schedule an S service on DD Form 314 (Preventive-Maintenance

Schedule and Record (card)) and set up an oil change at 500 miles.

1-12