Singer Centurion 121D - FEED LIFTING SHAFT (Disassembly)

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
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DISASSEMBLY
SEQUENCE
FEED LIFTING SHAFT
1.
Remove
bed
cover
plate,
drain
oil from
reservoir,
and
remove
oil
reservoir
cover.
2.
Remove
height
eccentric
locking
nut.
3.
Loosen
feed
bar
carrier
pinch
screw.
4.
Slide
carrier
assembly
left
to
clear
feed
bar
from
height
eccentric
stud.
This
will
give
access
to feed
lifting
link
screw.
5.
Loosen
set
screws
(2 each) in
the
following
components:
drive
pulley,
timing
belt
pulley,
feed
eccentric,
collar
and
gear
as
shown
in
illustration.
6.
Remove
drive
pulley
and
flange.
7.
Unhook
oil
pump
spring.
8.
Remove
feed
lifting
link
screw
(left
hand
thread).
9.
Remove
shaft
from
left
to right.
Feed Bar Carrier
Pinch
Screw
Height--
Eccentric
Stud
/Feed
Bar
\
/ Feed Lifting Link
Height Eccentric Locking Nut
23
NOTE:
See
page
28
for bed cover details.