Removing And Installing; Flywheel - Stihl 020 T Service Manual

5.4.2

Removing and Installing

• Remove the fan housing -
see 6.2.
• Pull the short circuit wire (1) off
the ignition module and out of
the retainer (2).
• Remove the ignition module
mounting screws.
• Pull the ignition module forwards.
• Unscrew the ignition lead from the
contact pin and pull it out of the high
voltage output.
STIHL 020 T
• If necessary, remove the wire
retainer from the module.
Note: Before fitting the ignition
lead, pack the high voltage output
with STIHL multipurpose grease -
see 11.2.
Important: Do not use graphite
grease (Molykote) or silicone
insulating paste for this job.
• Coat the threads of the mounting
screws with Loctite, see 11.2.
Place the module in position, insert
the screws with washers but do not
tighten them down yet.
• Slide the setting gauge (1)
between the arms of the ignition
module and the flywheel
magnets.
• Press the ignition module
against the flywheel and tighten
down the mounting screws to a
torque of 6.5 Nm (4.8 Ibf.ft).
Important: Tighten the screw next to
flywheel first.
• Pull out the setting gauge and use
a feeler gauge to check the air gap.
It should be 0.2 mm (0.008").
• Fit the fan housing.
5.5

Flywheel

Removing the flywheel:
• Use the locking strip to block the
piston - see 3.1.
• Remove the fan housing -
see 6.2.
• Rotate the flywheel so that the
magnet poles (1) are opposite
the ignition module (2).
• Unscrew the flywheel mounting
nut (3) from the crankshaft.
• Pull the flywheel off the crank-
shaft.
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