Technical data

Section 04 ENGINE
Sub-Section 04 (ROTARY VALVE)
04-04-5
7,8, Snap Ring and Bearing
To remove bearing use a bearing extractor such
as Snap-on no CJ-950 as illustrated. Slide off dis-
tance sleeve, remove snap ring and press shaft
out.
1. Bearing
2. Bearing extractor Snap-on CJ-950
CAUTION : Ensure that rotary valve shaft
is perfectly perpendicular with press tip or
damage will occur.
9, Bearing
CAUTION : Do not remove plug against
bearing in upper crankcase half.
1. Do not remove this plug
End bearing can be easily removed using the fol-
lowing suggested tool.
Snap-on hammer puller including :
Handle CJ93-1
Hammer CJ125-6
Claws CJ93-4
Close puller claws so that they can be inserted in
end bearing. Holding claws, turn puller shaft
clockwise so that claws open and become firmly
tight against bearing.
Slide puller sleeve outwards and tap puller end.
Retighten claws as necessary to always maintain
them tight against bearing. Continue this way un-
til bearing completely comes out.
1. End bearing
CLEANING
Discard all seals and O-rings.
Clean all metal components in a solvent.
Clean oil passages and make sure they are not
clogged.
Clean rotary valve shaft and inside of distance
sleeve.
INSPECTION
1, Rotary Valve Cover
Inspect rotary valve cover for warpage. Small de-
formation can be corrected by surfacing with fine
sand paper on a surface plate. Surface part
against oiled sand- paper.
F01D4NA
1
2
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F01D4OA
1
F01J0ZA
F01D28A
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