Singer 5400 Series Service Manual page 83

Service Manual
Stitch length regulator spring tension
The reverse button must operate smoothly with the stitch length set at maximum stitch.
Adjustment;
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),
2- Loosen screw (A) in feed regulator assembly.
3- Upon loosening this screw, the stud (C) will rotate, allowing the spring (B) to loosen tension.
4- Rotate stud (C) one complete counterclockwise revolution only to place proper tension on spring
(B).
5- Tighten screw (A).
Rev. n .
o
MAY/00
.
105
motor belt and hand wheel.
P/N 357773-002