MAINTENANCE MANUAL OF ENGINE
60
4.3.3 Installing the piston pin
Inspection:
◆
Check the fit of piston pin and small end bushing
and check whether piston pin is worn.
Before installation, make sure that piston pin and
small end of connecting rod are clean and lubricate
by clean engine lubricating oil.
1. First install one end snap ring into piston.
A-Snap ring
2. Use special equipment to heat the piston.
A-Piston
B-Heating equipment
When installing piston pin, heat the piston to
100
℃
-120
℃
evenly by special equipment for in-
stallation. Meanwhile, coat clean lubricating oil on
piston pin. It is prohibited to press piston pin when
piston is in cold state.
Attention: High temperature. Avoid scalding injury.
A
A
B
Summary of Contents for KM/4L22
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