Fav 900
Engine / Cylinder head
Removing and refitting valves
G
Repair
Fav 900 chassis number 23/3001 and up
19.02.2001
2010 000008
G
a
2/3
Capitel Docu-No.
Index
Date Version
Page
Removing and refitting valves
PM-Picturemodule
PM-Picturemodule
PM-Picturemodule
PM-Picturemodule
PMTAB_Picture
Turn cylinder head over.
Place valve fitting lever.
Fit washer, valve spring and upper spring plate.
PMTAB_Picture
Compress spring with fitting lever and insert
collets.
Note:
Make sure collets fit properly: they can cause
severe damage by springing out.
PMTAB_Picture
Measuring valve recess
● Position gauge holder with dial gauge at the
cylinder head.
● Press tip of gauge onto cylinder head.
● Set dial gauge at "0".
● Swing gauge towards valve head and read
recess.
PMTAB_Picture
If after skimming the cylinder head faces, valve
recess is inadequte or valve projection is
excessive, the valve seat insert must be
re-ground.
1 Valve recess
Note:
- When skimming the cylinder head sealing
face, the max. dimension must not exceed 1
mm (0.039“).
- After skimming, observe injection nozzle
projection. Replace standard - copper sealing
ring with a thicker one.
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