Stihl TS 420 - Page 23

22 TS 410, TS 420
: Place washer (1) on the
flange (2).
– Position the flange (2) on the
opposite side and align it so that
the holes are lined up.
– Fit sleeves (1) and springs (2)
over the screws (3).
: Insert the screws with sleeves
and springs in the holes (arrows)
and position the parts.
– Insert and tighten down the
screws.
– Tightening torques, b 3.5.
370RA032 TG
1
2
370RA033 TG
2
1
3
370RA034 TG
: Slide the shaft (1) into the ball
bearings from the flange side (2).
– Turn the cast arm with guard and
hold the shaft.
: Slide the belt pulley (1) onto the
shaft with the longer shoulder first
(arrow) until the triangle engages
in the shaft (2).
1
370RA035 TG
2
370RA036 TG
1
2
– Block the belt pulley.
: Fit the washer, screw on the nut
(arrow) and tighten it down (left-
hand thread).
– Tightening torques, b 3.5.
: Fit the thrust washer (2) so that
the groove (arrow) engages the
lug (1) on the shaft.
– Fit the axial clamping ring.
370RA037 TG370RA038 TG
1
2