Singer 2802 Service Manual page 54

Service Manual
The vertical shaft must be set to have 0.000 mm - 0.025 mm (.000" - .001") end play before
setting the arm shaft bevel gear and vertical shaft gear mesh. If incorrectly set, noise may
be generated.
Check:
1. Remove the free-arm extension table, bed bottom cover, extension table bottom cover,
arm top cover and right side cover.
2. Push belt drive pulley (G) up and down to check any existing excessive play.
Adjustment:
1. Loosen the two screws (H) in the belt drive pulley (G) sufficiently to clear the recess in
the vertical shaft (A) and remove pulley (G) .
2. Loosen the two set screws (F) in feed cam (D) approximately one turn.
3. While pulling down on vertical shaft (A) push up on the feed cam (D).
4. Tighten feed cam screws (F).
5. Recheck for vertical shaft end play and make sure the shaft rotates freely without binds.
6. Replace belt drive pulley (G) being sure it is properly seated up against feed cam (D).
7. Adjust arm shaft end play and make the gear (B) of the arm shaft match the gear (E) of
the vertical shaft by tightening screw (C). (See pages 52-53).
8. Adjust hook timing. (See pages 80-81).
Rev. n .
o
Vertical Shaft End Play
53
358487-001 Mar./2005