Positioning the toothed belt wheels
30 Service Instructions 1767 - 00.0 - 12/2016
5.2 Positioning the upper toothed belt wheel
Proper setting
The 2 threaded pins (4) for the upper toothed belt wheel (3) are seated
flush on the flat.
The ball bearing (2) abuts on the locking ring (1).
Cover
• Remove the arm cover ( p. 15)
• Remove the front cover ( p. 18)
• Remove the belt cover ( p. 20)
Fig. 17: Positioning the upper toothed belt wheel
To position the upper toothed belt wheel:
1. Loosen the threaded pins (4).
2. Turn the toothed belt wheel (3) such that the threaded pins (4) are
seated flush on the flat of the arm shaft.
3. Tighten the threaded pins (4).
(1) - Locking ring
(2) - Ball bearing
(3) - Toothed belt wheel
(4) - Threaded pins