Makita EM4251 Service Manual Page 24

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10
Step Parts to be removed Remarks and procedures Fasteners
Piston and Piston ring
1) Take off clips from piston pin. So, piston pin can be
removed from piston. And then, piston can be
separated from connecting rod.
2) Remove 2 piston rings and an oil ring from piston
by opening their cut portions.
< Note >
When removing piston, take care to prevent dust from
getting the needle bearing portion of connecting rod.
< Note >
When removing the above rings, take care not to widen
too much their cut portions. Otherwise, they may be
deformed, or broken.
Piston ring
Oil ring
Clip
Piston pin
Connecting rod
Crank shaft
Piston
Fig 5-22
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