TIGHTENING TOOTHED
DRIVE BELT

Caution!
Pull out fuses 25 and 26 in the interest
of safety (danger if being clamped in
the door) and to be able to lower the
door by hand - see 51 oo for general
information.

Press door push button and lower the
door about 30 mm (1.181").
Remove middle side panel - see Gr. 41.

1 = Locknut
2 = Eccentric
3 = Tightening eye

Unscrew locknut (1).


Siehe auch 51 00 000
Siehe auch 41 35 000
151084 - click to zoom
 
Attach a standard spring-loaded scale
in the tightening eye.
Tighten and hold toothed drive belt in
the running direction.

Force = 20 kg (44 lbs.).

151091 - click to zoom
 
Adjust eccentric (2).
Tighten locknut (1).
 
Twist the toothed drive belt above the
reversing roller with a thumb and
index finger.
The toothed drive belt is tighten
correctly when it can still be twisted
by about 45°.

151090 - click to zoom