TM 5-3805-281-24-2
Cylinder Block, Liners, Pistons, and Rods
INSTALL PISTON AND CONNECTING ROD
IMPORTANT: Piston must be installed on same
connecting rod from which they were
removed and new piston pin snap rings
must be used.
If a new piston and liner assembly is to
be installed, DO NOT remove piston
from liner. Push piston out of liner
bottom only far enough to install piston
pin.
1. Lubricate piston pin (A) and bushing with clean engine
oil.
2. Install piston pin through piston (B) and connecting rod
Installing Piston and Connecting Rod
(C). Be sure "FRONT" of rod aligns with arrow or
"FRONT" of piston.
A--Piston Pin
B--Piston
C--Connecting Rod
3. Install NEW piston pin snap rings (D) in grooves. Make
D--Snap Rings (2 used)
certain snap rings have expanded in grooves of piston.
E--Oil Control Ring with Expander Ring
F--Compression Rings
NOTE: Full keystone compression ring (one "Pip" mark)
goes in top piston ring groove. Half keystone ring
(two "Pip" or "Top" marks) goes in second ring
groove of piston.
"Pip" mark(s) on No. 1 and No. 2 compression
rings must face top of piston.
4. Use the JDE93 Ring Expander to install oil control ring
with expander ring (E) and then compression rings.
NOTE: New rings are furnished with the correct end gap,
therefore, fitting to the liner is not necessary.
Continued on next page
RG,RG34710,1141
1923OCT971/4