Bernina 900 electronic - Drive Belt Adjustment; Retightening the Drive Belt

Retightening
the
drive
belt
Remove belt cover
Slightly loosen
screw Spring
(160) pulls
the gearrg
inlto the
(159) with
Allen key, Rotate handwheel proper position thus 3rttsking the
speci-
back and forth
Retighten
scrw is9t
fied
belt tenson,
ii~~~~~~~~~~~~~~~~~~~~~~~~~~fl
160 ..
Fig,
64
34