Adjustment Disk To The Arm Shaft Crank; Position Of The Lower Timing Belt Pulley - Duerkopp Adler 744-122 Service Instructions Manual

7.2_ Adjustment disk to the arm shaft crank

The deepest notch A on the adjustment disk must
be set in- line with the groove in the arm shaft
crank.
(Only with the adjustment disk in this position can
the adjustments to be made in the other notches
also be correct.)
Turn main switch off
- Risk of Injury -
With two arresting pins (use 5 mm twist drills if pins
unavailable) first check the settings made at the
factory. If necessary set as follows:
– Using a round pin push the timing belt to the
left while at the same time turning the
handwheel.
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– Loosen the screws of the upper timing belt
pulley.
– Plug the pin 19 into the groove of the arm shaft
crank.
– Turn the timing belt pulley until the arresting pin
20 can be inserted into the deepest notch A of
the adjustment disk.
– Push the timing belt pulley to the right against
the arresting pin.
– Tighten the timing belt pulley screws.
– Turn the handwheel until the timing belt moves
to the middle of the timing belt pulley again.
Attention!
Changing the position of the upper timing belt
pulley necessitates a correct of all following
machine head settings.
7.3 Setting the lower timing belt pulley
When putting on the timing belt care is to be taken
that both screws in notch C have the position
shown, that is, that they are readily accessable with
a screw driver.
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