D439E Service Manual 2. Engine Mechanical System (D439E)
81
Reassembly
Riston and connecting Rod Assembly
1. Install the piston ring using the special tool
(09222-83200).
NOTE
a. Install the piston ring so that open end of the
piston ring faces to the direction shown in the
figure.
b. Install the oil ring expander spring to be
positioned at 180° direction with the oil ring end.
Otherwise, expander spring may be loosened.
2. Apply engine oil at the piston rod end and piston
pin hole, and then install the piston pin (1).
3. Install the piston pin snap ring (2) using snap ring
pliers (1).
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