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11.26
Removing pistons with conrods, strip-
ping down and re-assembling
Removing piston with conrod
•
Press the piston with conrod out from the crank-
shaft side.
Dismantling piston
•
Remove the circlip (1) at one side.
•
Press out piston pin (2) with drift,
BMWNo.112930.
•
Carefully remove piston rings (3).
•
Clean the piston.
1
3
1
2
LT110350
Checking piston dimensions
•
Measure piston diameter with a micrometer at
distance “A”.
Make: ...............................................Dimension “A”
KS............................................. 12.0 mm (0.472 in)
Mahle.......................................... 7.6 mm (0.299 in)
•
Measure piston ring side-flank clearance with
feeler gauges.
•
Measure the piston ring end gap in the cylinder.
For side clearance and gap, see Technical data
page 11.9
A
LT110360