Feed Rock Shaft Assembly - Singer 5400 Series Service Manual

Service Manual
Removal:
1-
Remove the free arm extension table, tension assembly dial, the knobs of the zig-zag and needle
position levers, all covers (face plate, rear, bottom bed and front), needle plate, feed dog, feed lifting
lever assembly (N), pulley (K), and belt (M)
1
2- Remove 0 mm eccentric hinge screw nut (H) and eccentric hinge screw (1).
3- Remove rock shaft center clamp screws (F) and (L) and clamps (G) and (A).
4- Remove left rock shaft center (B) with washer (C) and right rock shaft center (E) with washer (D).
5- Remove feed rock shaft assembly ( J ).
Replacement:
1-
Replace feed rock shaft assembly ( J ), left and right centers (B) and (E) with washers (C) and (D) and
clamps (A) and (G).
2- Tighten clamp screws (F) and (L).
3- Replace the feed lifting assembly and feed dog.(See pages 35 to 38)
4- Replace eccentric hinge screw ( I ) and hinge screw nut (H). Tighten nut (H) to finger tightness.
5- Adjust feed dog centralization and feed rock shaft end play. (See pages 98 to
6- Adjust feed dog height.(See pages 00-
7- Adjust feed dog throw.(See pages 02- 03)
8- Adjust hook timing. (See pages 88-89)
Rev. n .
o
MAY/00

Feed rock shaft assembly

. .
. .
1 101
)
1 1
40
101
)
P/N 357773-002