48
Rev. n .
o
Service Manual
Pattern selector mechanism
Except 2802/2852
Removal:
Replacement:
1. Remove arm top cover.
(Y)
10.
11.
1.
Disc and disc follower clearance. (Pages 56-57)
Cam stack radial play (Pages 56-57)
Needle bar pendulum timing. (Pages 64-65)
Buttonhole cutting space. (Pages 111-112)
Needle location left-to-right (Pages 68-69)
Zig-zag bight stop positioning (Pages 72-73)
2. Place the handle (B) in the vertical position and pull it up out of the camstack (T).
3. Remove the screws (G) and the camstack gear assembly..
4. Remove pattern selector dial retaining ring (plastic)(D).
5. Remove spring (E) together with the disc follower (F)
6. Remove screws that hold the levers (H) and ( I ) together
7. Remove the screws (J) and then the stitch lenght lever assembly
8. Remove the screw (U), the washer (V), the lever (K) and the spring (X)
9. Remove the retaining ring (R) out of the needle bar driving arm slide block (M)
Remove the retaining ring (L) out of pattern selector dial (N).
Remove needle bar driving arm slide block (M) together with the pattern selector dial
(N).
Replacement is the same as removal in reverse order.
2.
l
l
l
l
l
l
.
Check and adjust if necessary:
The height of the follower(F) as described: Place the pattern selector in “A” position
and the zig-zag lever in the right position (maximum).Adjust the follower (F) height ,
centralizing its tip with the cam stack track by turning right or left the screw and the
nut (Z).
l
358487-001 Mar./2005
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