Figure 28. - TM-10-3930-607-150047

ENGINE

oven or in hot water to a minimum temperature of

160F.

2. With the piston heated, the pin will enter the

piston easily and can be pushed on through the

connecting rod and into place, without distorting the

piston.

3. The snap rings must be assembled in the

grooves. Make sure they are fully seated.

4. The piston pin hole in the connecting rod must

be parallel to, and in the same plane as, the large bore

in the bearing end of the connecting rod. This may be

checked on a fixture with the piston.

(Parallelism) and Figure 29 (Twist).

Figure 29.

Figure 28.

5. The completed piston and rod assembly must

be rechecked and there must not be more than

.002" twist or out-of-squareness checked over a

spread of approximately 4 inches.

The

connecting rod can be bent or twisted to meet

this specification. (Fig. 30)

NOTE:

Pistons are cam and taper ground.

Figure 30.

B-10