TM 9-2320-266-34
Table 11-2. Identification Stamp for Undersize Journals
Identification stamp
Undersize journal
Rl, R2, R3,or R4
0.001 in
RX
0.010 in
M1, M2, M3, M4, or M5
0.001 in
0.010 in
MX
face. This allows for expansion under normal operating con-
ditions. Under operating temperatures, expansion forces the
Figure 11-7. Location of Internal Marking of No. 8
pin bosses away from each other, thus causing the piston to
Counterweight.
assume a nearly round shape. It is important that pistons be
checked for taper and elliptical shape before they are fitted
11-7. Servicing the Pistons, Pins, and Rings.
a. General. The pistons are urn-ground so that
the diam-
eter at the pin boss is less than the diameter across the thrust
11-6.1/11-6.2 (blank)
Change 2