Angle Position (Timing) Of Control Cam And Clearance Between Cam And Roller - Dürkopp Adler 884 Service Instructions Manual

6.3

Angle position (timing) of control cam and clearance between cam and roller

33
Rule:
If the control cam (3) is locked with the pin (1) according to the picture:
1. On the hand wheel there should be the angle 100°.
2. Between the control cam (3) and the roller (4) there should
be the distance (A) = 0,1 mm.
A
4 5 3
–
Loosen both locking screws of the cam (3) with the hexagonal key
3 mm (5).
–
Slightly turn the hand wheel to the angle 100°.
–
Insert the locking pin (1) according to the picture and lean it
against the shaft (2).
–
Insert the feeler gauge 0.1 mm between the cam (3) and the roller
(4).
–
Slide the cam (3) to the left fully to the stop until the clearances
inside the mechanism are set.
–
Fix the cam (3) with one locking screw with the key (5).
–
Remove the pin (1) and tighten also the other locking screw of the
cam (3).
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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