Flywheel - Stihl MS 240 Instruction Manual

9.5

Flywheel

1
– Remove the carburetor box
cover.
– Remove the shroud, b 8.4
– Block the piston with the locking
strip (1) 0000 893 5903, b 6
: Unscrew the flywheel nut (arrow).
56
3 2
: Screw the puller (1) 1110 890
4500 clockwise into the flywheel
as far as stop.
: Use 24 mm open end wrench (3)
to hold the puller steady and
screw home the thrust bolt (2)
until the flywheel is released from
the crankshaft.
– Remove the puller (1) 1110 890
4500 from the flywheel.
The flywheel and magnet poles
(arrows) must not be damaged or
have turned blue. Replace flywheel
if necessary.
On versions with handle heating,
also check the magnet ring for signs
of damage, b 15.7.
The flywheel and crankshaft stub
must be free from grease before
assembly.
1
– Check the key (1) and replace if
necessary
– Make sure the key (arrow) is
properly seated.
Degrease the crankshaft stub and
bore in flywheel with a standard
solvent-based degreasant
containing no chlorinated or
halogenated hydrocarbons.
: Make sure the key engages the
slot (arrow) in the flywheel.
– Set the air gap between the
ignition module and flywheel,
b 9.2.1
– Reassemble all other parts in the
reverse sequence.
– Tightening torques, b 3.5
MS 240, MS 260, MS 260 C
1