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One Piston and/or Con-Rod, Replace
 Remove
| 1. |
Remove piston with con-rod
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Important: Do not damage piston
and con-rod. Use protective jaws.
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| 2. |
Clamp piston (1) with con-rod (3) in vice
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| 3. |
Remove 2x piston pin (2) retaining rings
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| 4. |
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 con-rod, note the cut-out in the piston (2) and the mark
(1) on the con-rod
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| 5. |
Install piston pin
Note: Wet piston pin
with engine oil. Push piston pin into the piston by hand until the
con-rod can be inserted.
| • |
Place piston with pin on con-rod
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| • |
Push piston pin in until annular groove is freely
accessible.
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| 6. |
Install 2x piston pin retaining rings
| • |
Replace 2x retaining ring
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| • |
Insert 2x retaining ring in annular groove
Note: Note position of
the ring joint. Ring joint must be in the area of measurement I
(maximum 30°).
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| 7. |
Adjust 3x piston ring
| • |
Arrange joints offset by 120°
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| 8. |
Remove piston with con-rod from vice
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| 9. |
Install piston with con-rod 
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