Stihl FS 75 User Manual page 17

2
•
Fit piston pin (1) on stub of as-
sembly drift (2) and slide it into
the piston (the pin slides home
easily if the piston is hot).
a
•
Modify sleeve of assembly tool
5910 890 2208 as shown above.
a = 35.5 mm
b = 17.3 mm
c = 21.0 mm
1
•
Insert hookless snap rings with
assembly tool (1) 5910 890 2208.
Note: Refer to manual "Trouble-
shooting, standard repairs" for in-
formation on using the assembly
tool.
1
c
b
•
Fit new cylinder gasket.
1
2
•
Lightly oil the piston and piston
rings and rest the piston (1) on
the wooden assembly block (2)
1108 893 4800.
•
Line up the piston rings so that
the radii at the ring gap meet at
the fixing pin in the piston groove.
1
•
Use clamping strap (1)
0000 893 2600 to enclose piston
and piston rings.
- Ensure that piston rings are
positioned correctly.
- Coat inside of cylinder with oil
and line it up in accordance with
its subsequent installed position.
The piston rings may break if this
is not done.
17