Fav 900
Engine / Short block
Removing and refitting the piston rings
G
Repair
Fav 900 chassis number 23/3001 and up
22.02.2001
2210 000010
G
a
1/2
Capitel Docu-No.
Index
Date Version
Page
Removing and refitting the piston rings
PM-Picturemodule
PM-Picturemodule
PM-Picturemodule
PM-Picturemodule
PMTAB_Picture
Piston ring arrangement
1. Compression ring ( keystone ring)
2. Compression ring ( chamfered ring)
3. Oil scraper ring (D-ring)
PMTAB_Picture
Removing piston rings
Remove piston and con-rod assembly.
Clamp con-rod in a vise, using non-metallic jaws.
Set piston ring pliers to piston diameter.
PMTAB_Picture
Position pliers at piston ring gap and pry rings out
of the piston ring grooves.
Note:
The spring insert of the oil scraper ring causes
greater tangential stress.
Carefully clean piston ring with a small piece of
wood.
Avoid damage to piston ring grooves.
PMTAB_Picture
Checking end clearance
Fit piston rings to respective cylinder and
determine end clearance with a feeler gauge.
If this is excessive, piston rings must be replaced.
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