Stihl 064 Service Manual page 29

STIHL 064, 066
Top:
Pressing installing tool vertically
downwards until the sleeve butts
against the tool's shoulder.
Bottom:
Slipping sleeve onto other end of shank
Note: Position the sleeve so that
the inner pin points toward flat
face of tool's shank.
- Stand the installing tool, sleeve
downward, on a flat surface
(wooden board) and press verti-
cally downwards until the sleeve
butts against the tool's shoulder.
- Remove the sleeve and slip it
onto the other end of the shank.
Note: Inner pin must again point
toward flat face of tool's shank.
Top:
Inserting snap ring in piston boss
Bottom:
Wooden assembly block
1108 893 4800
- Apply the installing tool to the pis-
ton boss (flat face on shank must
point toward piston head), hold
the piston steady, center the tool
shank exactly and press home
until the snap ring slips into the
groove.
- Fit new cylinder gasket on the
crankcase.
- Lubricate piston and piston rings
with oil.
Top:
Piston resting on wooden
assembly block
Bottom:
1 = Original manifold
2 = New manifold
- Slide wooden assembly block
between piston and crankcase.
- Rest the piston on the wooden
assembly block.
Note: It is necessary to fit the orig-
inal manifold on machines with the
original backing plate (seal be
tween carburetor and manifold).
The new washer and sleeve must
be fitted with the new manifold
- see 4.2.
29