Stihl TS 420 Manual page 22

2
: Align the rubber ring so that the
lug (1) engages in the opening
(arrow).
– Press the rubber ring (2) into the
hole in the guard until it lies flush.
The profile of the rubber lip must
fit into the mount for the guard.
1
: Remove the E-clips (1) on both
sides.
1
: Drive the ball bearing out of the
cast arm with press arbor (1)
4224 893 7200.
Always use new grooved ball
bearings.
TS 410, TS 420
1
: Fit a circlip (1) as stop in the cast
arm.
1 2
– Align the press arbor (1)
4224 893 7200 – the ball bearing
and ring are pushed onto the long
peg (arrow).
: Slide the first grooved ball
bearing (2), ring (3) and second
grooved ball bearing (4) onto the
peg (arrow).
1
1
2
: Position the grooved ball
bearing (2) with press arbor (1)
4224 893 7200 and press it as far
as possible against the E-clip.
3
4
Do not press too hard, otherwise the
E-clip which has been fitted as a
stop will be jammed.
– Take out the press arbor.
– Fit the second circlip in the
groove in the bearing.
The seal on the deep groove ball
bearing must not be damaged.
1
2
: Place washer (1) on the
outside of the guard on the
rubber ring (2).
– Slide the cast arm into the rubber
bearing.
21