Stihl 088

STIHL 088 9
3.3 Chain Brake
3.3.1 Disassembl
y
- Remove clutch drum/chain
sprocket
- see 3.1.
• Take out the screw (1).
• Remove the side plate (2).
• Take out the brake band
fastening screw.
Replace the brake band if:
- there are noticeable signs of wear
(large areas on inside diameter
and/or parts of outside diameter)
and
- its remaining thickness is < 0.6 mm
(0.024").
Important! Thickness of brake
band must not be less at any point.
• If the brake band is still service-
able, use No. 120 emery paper
or emery cloth (grain size
approx. 120µm) to clean and
roughen its entire friction surface
(inside diameter).
- Relieve tension of brake spring
by pushing the hand guard
forward.
• Take out the screws (1).
• Lift away the cover (2).
• Lever the brake band out of the
crankcase.
• Carefully pry the brake spring (1)
off the anchor pin and unhook it
from the bell crank (2).
• Remove the brake band from the
lugs (1) on the crankcase.
• Unhook the brake band from the
bell crank (2).
• Take out the screw (1).
• Remove the rubber bushing (2).
- Inspect parts and replace if
damaged.