Stihl FS 94 Instruction Manual page 29

Versions with 0.9 kW engine
3
: Fit the new cylinder gasket (1)
over the piston, attach it to the
hook (2) and place it in position.
: Press down tabs (arrows) of new
cylinder gasket (1) until they
locate behind the lug (3).
– the cylinder gasket is now held
in position.
– Install the piston, b 5.7
All models
: Slide the wooden assembly
block (1) 1108 893 4800
between the piston and
crankcase.
Take care not to damage the
cylinder gasket.
28
1
1
2
– Lubricate the piston, piston rings
and cylinder wall with oil, b 12
– Check correct installed position
of rings, b 5.8
: Use the clamping strap (1)
0000 893 2600 to compress the
rings around the piston.
Apply the clamping strap (1) so that
the piston rings do not project
beyond the cylinder wall.
1
: Position the cylinder (1) so that
the rectangular ports (arrows) are
in alignment.
While sliding the cylinder over the
piston, hold the clamping strap
tightly around the piston so that the
rings do not project
– they might otherwise break.
: Slide the cylinder (1) over the
piston, the clamping strap moves
downwards at the same time.
– Remove the clamping strap and
wooden assembly block.
Make sure the cylinder gasket is
properly seated.
1
– Push cylinder on as far as stop
and hold it steady, then turn
cylinder and crankcase over.
: Fit screws (arrows) in underside
of crankcase and tighten them
down firmly in crosswise pattern.
– Reassemble all other parts in the
reverse sequence.
1
Series 4149 Powerhead