Maintenance and care of your machine, Cleaning, Removing shuttle hook – Brother 681B-UG User Manual
Page 34: Raise needle to its highest position, Open the shuttle race cover, Take out bobbin case, Push latch levers down and remove retaining ring, Remove hook by grasping center post of, Hook, Note: when needle is lowered
6. Maintenance and Care of Your Machine
Cleaning
The sliding parts of the shuttle race body and the hook must be cleaned regularly so that lint does
not accumulate.
REMOVING SHUTTLE HOOK
1. Raise needle to its highest position.
2. Open the shuttle race cover.
3. Take out bobbin case.
4. Push latch levers down and remove
retaining ring.
5. Remove hook by grasping center post of
hook.
NOTE: When needle is lowered,
hook cannot be removed.
CLEANING SHUTTLE RACE
1. Remove accumulated lint and thread
from the retaining ring, hook, driver and
race body with brush.
2. A cloth dampened with machine oil
should be used to wipe shuttle race
clean.
3. Clean shuttle hook in the same manner
as above.
4. Reassemble.
CLEANING FEED DOG
1. Take out free arm upper plate by
loosening the screw on it.
2. Clean upper part of feed dog and shuttle
race body with brush.
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