Stihl 4180 Series User Manual

46 Series 4180 Powerhead
: Indentation (arrow) in piston
crown faces the spark plug hole.
VA
249RA091
: Use the assembly drift
1114 893 4700 to push the piston
pin through the piston and
connecting rod.
VA
249RA092
Piston pin with diameter of 8 mm
Use installing tool 5910 890 2208 to
fit the snap ring, b
11
Installing tool 5910 890 2208 must
be equipped with sleeve
5910 893 1703.
Piston pin with diameter of 9 mm
VA
249RA144
Use installing tool 5910 890 2209 to
fit the snap ring, b
11
: Remove sleeve from the tool.
: Attach the snap ring (1) to the
magnet (2) so that the snap ring
gap is on the flat side of the tool’s
shank.
VA
249RA145
2 1
: Push the large slotted diameter of
the sleeve over the magnet and
snap ring.
The inner pin (1) must point
towards the flat face (2) of the
tool's shank.
VA
249RA146
2 1
: Stand the installing tool, sleeve
downward, on a flat surface
(wooden board) and press
vertically downwards until the
sleeve butts against the tool’s
shoulder.
VA
249RA147

Stihl 4180 Series Specifications

General

Brand	Stihl
Model	4180 Series
Category	Engine
Language	English