Tension 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 and all covers (face plate, rear, bottom bed and front)
2- Force in the direction shown by arrows in the illustration, the two retainers (B), and pull out the

tension assembly.

3- Remove the tension adjusting dial (N).
4- Turn adjusting knob insert (M) counterclockiwise all the way to release tension spindle (L) from
spindle nut (C).
5- Remove nut (C) , spring (D) , spindle (L) , thread guide (H), tension discs ( I ), spring ( J ) and plate
(K).
6- To disassembly take-up spring (F) remove clip (G) by pulling out of tension assembly body (E), and
remove take-up spring (F).
Replacement:
1-
Replacement is the same as removal in reverse order, however take some time to check the
following:
2- The two tension discs ( I ) must be assembled with their convex surfaces facing each other.
3- Plate (K) must be assembled with the three set outs resting agaist concave side of the first tension
disc ( I ).
4- To adjust tension assembly follow instructions given in the chapter "Needle thread tension" on page
94-95.
Rev. n .
o
MAY/00
Tension assembly
28
. .
P/N 357773-002