5.6 To replace the chain catcher
Always replace a worn chain catcher with a new one.
1. Disassemble the drive wheel cover, the saw chain
and the guide bar.
To remove the drive wheel cover
and guide bar on page 9
.
2. Remove the screw and replace the chain catcher.
5.7 To replace the spiked bumper
Always replace a worn spiked bumper with a new one.
1. Disassemble the drive wheel cover, the saw chain
and the guide bar. See
To remove the drive wheel
cover and guide bar on page 9
2. Remove the screws and replace the spiked bumper.
5.8 Drive wheel cover and guide bar
5.8.1 To remove the drive wheel cover and
guide bar
1. Release the chain brake by moving the hand guard
rearward.
2. Remove the drive wheel cover and guide bar nut,
536Li XP/535i XP, or knob, 436Li/330i.
3. Remove the cover, saw chain and guide bar.
5.8.2 To assemble the drive wheel cover and
guide bar
• Assemble the drive wheel cover and guide bar in the
opposite sequence of
To remove the drive wheel
cover and guide bar on page 9
.
5.9 Crankcase
5.9.1 To disassemble the crankcase
CAUTION: Make sure that all parts are put
correctly in the crankcase to prevent damage to
the cables.
1. Remove the 8 screws.
2. Remove the crankcase half.
5.9.2 To assemble the crankcase
• Assemble the crankcase in the opposite sequence
of
To disassemble the crankcase on page 9
.
5.10 Power trigger
5.10.1 To disassemble the power trigger
1. Remove the drive wheel cover, the saw chain and
guide bar. See
To remove the drive wheel cover and
guide bar on page 9
.
2. Disassemble the crankcase.
To disassemble the
crankcase on page 9
3. Remove the power trigger lockout and the power
trigger from their brackets in the handle.
521 - 002 - Repair instructions - 9
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