Clutch, Chain Drive, Chain Brake And Chain Tensioner; Disassembling Clutch - Stihl 020 T Service Manual

3.

CLUTCH, CHAIN DRIVE, CHAIN BRAKE AND CHAIN TENSIONER

3.1

Disassembling Clutch

Troubleshooting chart - see 2.1.
• Disengage the chain brake by
pulling the hand guard toward
the front handle.
• Unscrew collar nut (1) and
remove the sprocket cover.
• Pull terminal (1) off the spark plug
(2). Unscrew the spark plug.
• Set piston to bottom dead center.
• Push the locking strip (1), thicker
end (2) first, into spark plug hole
and then rotate it 180°.
STIHL 020 T
• Unscrew the clutch from the
stub of the crankshaft.
Caution: Clutch has a left-hand
thread.
• Use assembly hook (2) to remove
all the clutch springs (1).
• Pull the clutch shoes off the
carrier.
• Pull the retainers off the clutch
shoes.
• Clean all parts and stub of
crankshaft in white spirit.
Replace any damaged or worn
parts.
3.2 Assembling Clutch
• Slip the retainers (1) onto the
clutch shoes (2) so that the
narrow side is next to the series
number, e.g. 1129 (3).
• Fit the clutch shoes over the arms
(1) of the clutch carrier so that the
series number is on the same side
as the larger hexagon (2).
• Clamp the clutch, e.g. one shoe,
in a vise.
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