Singer 2852 - Page 23

Cam Stack
Service Manual
22
Removal:
Replacement:
1. Remove arm top cover.
2. Remove three cam stack mounting plate screws (A).
3. Set stitch length and buttonhole dial to "5".
4. Remove cam stack assembly.
1. Replacement is the same as removal in reverse order.
2. Adjust cam stack radial play and pendulum timing (see pages 56-57).
3. Check left-to-right needle location and bight stops (see pages 68-69 and 72-75), adjust if
necessary.
4. Check needle follower clearance (see pages 58-59)
Rev. n . o
Only 2802/2852
Removal:
Replacement:
1. Remove face plate, arm top cover and end cover.
2. Remove handwheel. (See pages 19-20)
3. Remove head end assembly. (See pages 15-16)
4. Remove take-up lever assembly and needle bar connecting link. (See pages 17 -18)
5. Remove screws (J) and arm shaft bushing (I).
6. Remove nuts (E) and washer (F).
7. Remove needle bar driving arm slide bracket (G).
8. Remove screw (H) of the zig-zag cam (I).
1. Replacement is the same as removal in reverse order.
358487-001 Mar./2005