Singer 2802 Service Manual page 27

Service Manual
Arm Shaft and Horizontal Bevel Gear
Removal:
1. Remove face plate, arm top cover and end cover.
2. Remove handwheel. (See pages 19 and 20)
3. Remove head end assembly (See pages 15 and 16)
4. Remove take-up lever assembly and needle bar connecting link. (See pages 17 and 18)
5. Remove screws (J) and arm shaft bushing (I).
6- Loosen the arm shaft collar set screw (F) so that the collar can move along the arm
shaft.
7- Remove set screw (B) in bevel gear (A) releasing it from the horizontal arm shaft.
8- Draw the crank (H) with arm shaft (C) to the left until it clears bevel gear (A).
9- Remove bevel gear (A).
10- Continue to draw arm shaft (C ) out of the machine until it clears collar (E).
11- Remove collar (E).
12- Remove arm shaft (C). The washer (G) will remain on the arm shaft.
Replacement:
1- Replacement is the same as removal in reverse order. (Refer to "bevel gear mesh and
arm shaft end play" on page 54-55)
2- In order to maintain feed timing align the timing mark on the vertical shaft bevel gear
between the two timing marks on the horizontal bevel gear. (Refer to "bevel gear mesh
and arm shaft end play" on page 54-55)
3- Adjust bevel gear mesh and arm shaft end play (See pages 54-55), camstack radial play
(See pages 56-57), and make corrections you believe it's necessary to firmly place the
take-up lever assembly and needle bar connecting link. (See pages 58-59)
4- Check and adjust if necessary:
Needle bar height (pages 76-77)
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Left-center-right needle position (pages 68-69)
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Zig-zag bight stops positioning (pages 66-67)
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Needle bar height (pages 76-77)
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Hook timing (pages 80-81)
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Rev. n .
o
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358487-001 Mar./2005