TM 5-380-261-34
ENGINE MAINTENANCE. (cont)
13-8.
Piston and Connecting Rod. (Sheet 11 of 12)
INSTALLATION (cont)
4.
Install pin (7) and two retaining
rings (6) in piston (8).
CAUTION
Piston ring expander must be
used to install rings. Use
of any other tool may result
in damage to piston lands.
5.
Install oil ring (5) over spring
in lowest groove with ring gage
180 degrees from spring joint.
6.
Using ring expander, install
piston rings (4 and 3). Stagger
ring gaps 120 degrees, making
sure the letters UP is toward top
of piston rings (4 and 3).
7.
Install two bearings (12) into
cap (2) and connecting rod (11,
Figure 13-48).
8.
Install bolts (10) into
connecting rod (11).
9.
Repeat steps 1 thru 4 for remain-
ing pistons and connecting rod
assemblies.
10. Rotate crankshaft counterclock-
wise on front of cylinder block
until bearing journal for piston
to be installed is bottom, dead
center.
11. Using clean oil, swab cylinder
lines and bearing journal on
cylinder block.
12. Using clean oil, dip piston (8).
13. Inspect piston rings, making sure
that gaps are 120 degrees apart.
Go to Sheet 12
13-50
Figure 13-47.
Figure 13-48.
