Stihl 064 Service Manual page 28

STIHL 064, 066
Top:
Assembly drift pushed through
piston and small end
Bottom:
Installing the piston pin
- Push the assembly drift, small
diameter first, through the piston
and small end (needle cage)
from the clutch side and line up
the piston.
- Fit the piston pin on the small
diameter of the assembly drift
and slide it into the piston.
Note: Move the piston back and
forth to ease insertion.
Top:
Correct position of gap in snap ring
Bottom:
Installing tool 5910 890 2212
1 = Magnet
2 = Sleeve
- Fit snap ring so that its gap is on
the piston's vertical axis (it must
point either up or down).
Note: Fit snap ring with the spe-
cial installing tool.
Use the installing tool as follows:
- Remove the sleeve from the tool.
Top:
Snap ring attached to magnet
with ring gap at flat side of the
tool's shank
Bottom:
Pushing sleeve over the magnet;
pin at flat side of tool's shank
- Attach the snap ring to the mag
net so that the snap ring gap is
on the flat side of the tool's shank
(see illustration).
- Push the large slotted diameter
of the sleeve over the magnet
and snap ring.
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