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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
(1) - Locking ring
(2) - Ball bearing
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
3. Tighten the threaded pins (4).
30
①
seated flush on the flat of the arm shaft.
Positioning the toothed belt wheels
②
③
④
(3) - Toothed belt wheel
(4) - Threaded pins
Service Instructions 1767 - 00.0 - 12/2016
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