STIHL 020 T
23
• Remove the piston - see 4.4.1.
• Remove rings from piston.
• Use a piece of old piston ring to
scrape the grooves clean.
• Remove the cylinder - see 4.4.1.
• Drain the oil tank.
• Unscrew the mounting nut (1).
• Pull the flywheel (2) off the
crankshaft.
• Disconnect the short circuit wire
(1) from the ignition module (2).
• Take out the screws (3).
4.6
Crankcase
4.6.1
Removing the Crankshaft
4.5 Piston
Rings
• Install the new piston rings in the
grooves so that the radii face
upward.
• Install the piston - see 4.4.2.
Note:
If the flywheel is stuck, screw
puller (1) onto the crankshaft and
tap the end of the puller to release
flywheel. Remove the puller.
• Pull the ignition module forwards.
• Unscrew ignition lead from
contact pin and pull it out of the
ignition module.
• Take Woodruff key out of slot in
stub of crankshaft.
• Unscrew clutch from crankshaft.
Caution:
Clutch has left-hand
thread.
