Position Of The Lower Toothed Belt Wheel - Duerkopp Adler 550-867 Service Instructions Manual

2.2.2

Position of the lower toothed belt wheel

5 4
8
3 2 1
Caution: Risk of injury!
Turn off the main switch.
Check and set the position of the lower toothed belt wheel only when
the machine is switched off.
Standard checking
The threaded pins in the toothed belt wheel 2 must sit on the flat spot
1 of the lower shaft 5.
The toothed belt wheel must be positioned in a way that the toothed
belt 4 bears against the belt tensioner ring 3 when the handwheel is
turned but without being dislocated.
–
Check the position of the toothed belt wheel.
Correction
–
Pull out the toothed belt from the lower toothed belt wheel.
–
Loosen the threaded pins in the toothed belt wheel.
–
Turn the toothed belt wheel 2, until the screws sit on the flat spot
of the lower shaft 5.
–
Tighten the threaded pins in the toothed belt wheel.
–
Mount the toothed belt on the toothed belt wheel.
–
Check the course of the toothed belt.
ATTENTION: Danger of breakage!
After replacing the toothed belt, check the following settings: Hook
adjustment (see chapter 2.6), feeding motion of the feed dog (see
chapter 2.3.4) and lifting motion of the feed dog see chapter 2.3.5).
1