TM 55-1905-223-24-8
REPAIR
a. Clean all parts with cleaning solvent and clean rag.
b. Repair is by replacing the piston (8), piston pin (9), retaining rings (10), bearing sleeves (15), and connecting rod
(16).
c.
Discard and replace rings (2 through 7).
ASSEMBLY
a. Pre-lube all parts with clean oil before assembling.
b. Place bushing (1) in connecting rod (16).
c.
Place piston (8) on connecting rod (16) and push piston pin (9) into the piston.
d. Insert and seat retaining rings (10).
e. Install piston rings (2 through 7) using ring expander as follows (refer to FIGURE 3-10):
(1) Install piston (rail) rings (5) and expander ring (6) in bottom groove of piston (8).
(2) Install piston ring (4) in third groove of piston (8).
(3) Install a spring ring (3) and piston ring (2) in the second groove of piston (8).
(4) Install piston ring (7) and a spring ring (3) in the top groove of piston (8).
f.
Insert bearing sleeves (15) between connecting rod (16) and rod cap (14) and install two bolts (11), washers (12),
and locknuts (13). Hand tighten bolts and nuts. This will retain bearing halves in place temporarily until they are
installed.
NOTE
Ensure that the bearing sleeve half with drilled oil hole is facing the connecting rod
body upon installation.
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