46 Series 4180 Powerhead
: Indentation (arrow) in piston
crown faces the spark plug hole.
VA
: Use the assembly drift
1114 893 4700 to push the piston
pin through the piston and
connecting rod.
VA
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
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
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.
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.