Piston Inserting Direction; Piston Pin Snap Ring Assembly - Zenoah HB2311EZ Workshop Manual

4-8 Piston Inserting Direction

Triangle Mark
【 【 【 【 Exhaust Side】 】 】 】

4-9 Piston Pin Snap Ring Assembly

End Gap Position
Snap Ring
End Gap
End Gap Position
End Gap
Snap Ring
Notch
Check After Installation
Snap Ring
4. Service Guide
Arrow Mark
【 【 【 【 Exhaust Side】 】 】 】
HB23 Series, HBZ26 Series, EB4300/ 6200, EB70 Series
Notch
Groove
Piston Pin
Snap Ring
Make sure to point the recessed mark (arrow or
triangle) on the piston head to the exhaust (muffler)
side.
Fit the snap ring in the piston's groove firmly and position
the end gap of the snap ring below the piston.
CAUTION
・ ・ ・ ・ If the snap ring is poorly inserted or the end
gap of the snap ring is incorrectly
positioned, the snap ring may comes off
during engine operation resulting in
damage to the engine.
・ ・ ・ ・ Never reuse a snap ring. Always insert a
new one.
EBZ4800, EBZ30/ 51/ 71/ 80 Series
Fit the snap ring in the groove firmly and position the end
gap of the snap ring opposite the notch.
CAUTION
・ ・ ・ ・ If the snap ring is poorly inserted or the end
gap of the snap ring is incorrectly
positioned, the snap ring may comes off
during engine operation resulting in
damage to the engine.
・ ・ ・ ・ Never reuse a snap ring. Always insert a
new one.
After the snap ring is installed, check that it fits firmly
in the correct direction.
REFERENCE
Turn the snap ring using thin tipped tool and
check that it moves smoothly in its groove.
If the snap ring is improperly installed, it will
not move smoothly in its groove.
All Models
All Models
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