46 |
ENGLISH
WARNING: Switch off and unplug the
machine before carrying out any
maintenance or adjustment.
Dismantling and assembling hook race
To dismantle hook race:
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.
When replacing
motor belt, please
leave 10 mm
slack.
Cleaning the feed dogs
Remove the needle and the presser foot.
Remove the needle plate set screws and remove the
needle plate.
With a brush, clean out dust and lint clogging on
the feed dog teeth.
Reset the needle plate.
To assemble hook race
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 bottom pin
fits into the notch.
Lock the hook race ring by turning the holders back
into position. Insert the bobbin case.
Drive belt tension
To adjust the belt tension, take off the belt cover and loosen the fixing screws about one turn
with a screwdriver. This will allow the motor to move downward or upward. Then firmly tighten
the screw, making sure the belt has the correct tension.
CAUTION: Do not tighten the belt too tightly.
Screw
Screw
SECTION 6. CARE OF YOUR MACHINE
