33
Dismantling and Assembling
Hook Race Unit
To dismantle hook race unit:
Raise the needle to its highest position and
open the hook cover.
Open the hinged latch of bobbin case and
take it out of the machine.
Open the hook race ring holders and remove
the hook race ring.
Remove the hook.
* Clean the hook race with a brush and a
soft dry cloth.
To assemble hook race unit:
Hold the hook by the center pin and fit it
carefully back into the hook race, forming
a perfect circle with the shuttle driver.
Attach the hook race ring making sure the
bottom pin fits into the notch.
Lock the hook race ring by turning the
holders back into position. Insert the bobbin
case.
y Pin
u Notch
q Bobbin case
w Hook race ring holders
e Hook race ring
r Hook
t Hook race
CAUTION:
Turn off the power switch and/or unplug
the machine.
q
w
e
r
t
y
w
w
w
u
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