Disengagement Of Cam Follower - ELNA 1000 Sew 75 Service Manual

DISENGAGEMENT OF CAM FOLLOWER

To check:
If the clearance between the cam follower and the top convex of the zigzag cam is not enough, the
pattern selector dial is blocked or will not select the correct pattern.
Adjustment procedure:
1. Remove the front cover (See page 6).
2. Set the pattern selector dial at pattern "
3. Put the cam follower to the zigzag cam and put the cam follower releasing arm to the pattern
selector cam.
4. Loosen the setscrew.
5. Push the convex part of the cam follower releasing arm in the direction of arrow until the cam
follower releasing arm touches position (A) of the pattern select cam, and then, tighten the
setscrew.
NOTE: After this adjustment, check that the clearance between the zigzag cam and the cam
follower is about 0.3mm when setting the cam follower releasing arm onto position (B) of
pattern selector cam.
6. Mount the front cover.
NOTE: Check the needle movement for straight stitch.
Zigzag cam
Position (B)
MECHANICAL ADJUSTMENT
Cam follower
Pattern select cam
Position (A)
".
0.3 mm
Cam follower releasing arm
Setscrew
Convex part
21