STIHL 020 T
15
• Press the brake band into the
sprocket cover.
Important:
Coat sliding and bear-
ing points of chain brake with Moly-
kote grease - see 11.2.
Do not
lubricate the brake band.
• Pull the spur gear (1) out of the
cover (2).
• Remove chain sprocket cover –
see 3.1.
• Remove screw from cover.
3.6
Chain Tensioner
• Use the assembly tool (2) to attach
the brake spring (1) to the anchor
pin.
• Fit the segment and tighten
screws to 3.2 Nm (2.4 Ibf.ft).
• Remove the thrust pad (1).
• Rotate the spur gear (2) to unscrew
the adjusting screw (3) fully from the
tensioner slide (4).
• Hook the brake spring onto the
bell crank.
• Take out the complete chain
tensioner.
• Pull off the tensioner slide (1).
• Remove the adjusting screw (2).
• Inspect the teeth on the spur gear
and adjusting screw. If the teeth are
damaged, replace both parts.
Reverse the above sequence to
install the chain tensioner.
Note:
Coat teeth of adjusting
screw and spur gear with grease,
see 11.2, before refitting.
