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Replace one piston and/or con-rod
 Remove
| 1. |
Remove piston with con-rod
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Important: Do not damage piston
or con-rod. Use protective jaws.
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| 2. |
Detach piston from con-rod
| • |
Clamp piston (1) in vice with con-rod (3)
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| • |
Remove 2x piston pin retaining ring (2)
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| • |
Remove piston pin (4)
| – |
Push piston pin out of piston and con-rod by hand
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Install
Important: When assembling the
piston and its con-rod, note the recess in the piston (2) and the
code (1) of the con-rod
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| 3. |
Attach piston to con-rod
Note: Coat piston pin
with engine oil.
| • |
Insert the piston pin in the piston
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| • |
Fit piston with piston pin on con-rod
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| • |
Insert piston pin through con-rod in piston
Note: The ring groove
for the piston pin retaining ring must be free.
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| 4. |
Fit 2x piston pin retaining ring in piston
Note: Ring gap must be
positioned in region of measurement I (maximum 30° )
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| 5. |
Set piston ring gap
Note: Arrange joint of
piston rings offset by 120°
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| 6. |
Remove piston with con-rod from vice
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| 7. |
Install piston with con-rod 
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