Baby Lock BL9 (BL9) Instruction and Reference Guide - Manual (Page 46)

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SECTION 5. CARE OF YOUR MACHINE
Dismantling and Assembling
Hook Race Unit
Note :Turn off the power switch and/or unplug the
machine.
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.
q Bobbin case
w Hook race ring holder
e Hook race ring
r Hook
t Hook race
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
hook 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
Cleaning the Feed Dog
Remove the needle and the presser foot.
Remove the needle plate set screw and remove the
needle plate.
With a brush, clean out dust and lint clogging the feed
dog teeth.
Reset the needle plate.
WARNING:
Turn off the power switch and/or unplug the machine
before cleaning the feed dog.