Stihl SR 430 Manual page 28

2
: Use the assembly drift (2)
1108 893 4700 to push the piston
pin out of the piston.
If the piston pin is stuck, release it
by tapping the end of the drift lightly
with a hammer.
Hold the piston steady during this
process to ensure that no jolts are
transmitted to the connecting rod.
: Remove the piston (1) from the
connecting rod.
– Inspect the piston rings and
replace it if necessary, b 4.8.1
SR 430, SR 450
1
1 1
: Remove the needle cage (1).
Installing
– Lubricate the needle cage with oil
and push it into the connecting
rod.
1
: Line up the piston as shown so
that the arrow (arrow) on the
piston crown faces to the rear
and the tapered crankshaft
stub (1) is on the right.
: Place the piston on the
connecting rod.
: Push the assembly drift (1)
1108 893 4700, small diameter
first, through the side of the
piston with the installed snap ring
and the small end (needle
bearing).
1
: Fit the piston pin (2) on the
assembly drift (1) and slide it into
the piston.
: Remove the sleeve (1)
5910 893 1706 from the installing
tool (2) 5910 890 2212.
1
1
2
2 1
27