Singer Centurion 121D - HOOK SHAFT AND HOOK SHAFT BUSHING (Assembly)

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
ASSEMBLY SEQUENCE
HOOK SHAFT AND HOOK SHAFT BUSHING
1. Insert hook shaft through bushing with collar A inside bushing until shaft position
groove aligns with bearing face C. Tighten collar A set screws.
2. Replace gear, eliminate end play and tighten set screws onto flats.
3.
Replace complete assembly into machine ensuring set screws aligns with flat on
bushing. Replace plastic tube.
- --,
---- ---- I Shaft
~ 1 Position
~ _..) Groove
'
I
......
- -- h
I ..---
L---- -
r
I --, I
L-- . 1/ --- -
Bearing~-- -
~ Bushing
I
I
Hook Shaft
33
_---,
i
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Gear
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