Control Cam - DURKOPP ADLER 838 Service Instructions Manual

6.3

Control cam

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Rules:
1. There should be a clearance distance (A) = 0.05 to 0.1 mm between
the highest point on the control cam (1) and the roller (2).
2. The threads should be separate when the pointer on the handwheel
points from "40" to "45" on the scale.
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1
–
Loosen the locknut. Turn screw (3) until the distance (A) between
the roller (2) and the highest point on the control cam (1) is equal
to 0.05 to 0.1 mm, according to rule 1.
–
Loosen two screws (4). Turn the handwheel so that the pointer
indicates "40" to "45" on the scale. Use your hand to adjust the
thread take-up knife (5) so that the blade on the thread take-up
knife overlaps the blade on the counter-knife.
–
Push the control cam (1) to the left while simultaneously turning it
in the machine's rotational direction. Turn until the roller (2) comes
up against it.
–
Tighten screws (4).
Caution! Danger of injury!
Turn the main switch off.
Only adjust the control cam when the machine is turned off.
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