Stihl MS 290 Manual page 20

1
: Remove the brake spring (1) from
the bell crank (2).
1
: Pry the brake band (1) out of the
engine housing.
1
: Disconnect the brake band (1)
from the bell crank (2).
MS 290, MS 310, MS 390
2
– Install a new 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
less than 0.6 mm.
Thickness of brake band must not
be less at any point.
: If the brake band is still
serviceable, use No. 120 emery
paper or emery cloth (grain size
approx. 120 µm) to clean and
roughen its friction surface
(inside diameter).
2
: Take the screw (1) together with
the bushing (2) out of the hand
guard.
: Remove the E-clip (arrow).
2
: Remove the strap from the bell
crank pivot pin (1).
: Slide the strap up and take it off
the hand guard pivot pin (2).
: Remove the washer (arrow).
1
19