DURKOPP ADLER 887 Series, Инструкция по эксплуатации

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6.4 Control cam
Rule:
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.
–
Loosen the screws of the ring (3).
–
Loosen the screws of the cam (1).
–
Turn the cam (1) with its top against the roller (2). Shift the cam
laterally so that the distance between the cam and the roller is
(A) = 0.05 – 0.1 mm .
–
Shift the ring (3) to the right towards the cam (1) until it stops. Take
care that the hook timing (par. 4.1) is not destroyed.
–
Tighten the ring (3) screws.
–
Tighten the cam (1) screws so that the trimming knife (4) edge and
the fixed knife (5) edge flush at 40° - 45° on the hand wheel.
–
Check the setting of the distance according to rule 1, cam angle
according to rule 2, and hook timing according to par. 4.1.
Caution: Risk of injury!
Turn the main switch off.
Proceed with the setting of the control cam only with the sewing
machine switched off.
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