Maintenance And Care Of Your Machine; Cleaning; Removing Shuttle Hook; Cleaning Shuttle Race - Brother 681B-UG User Manual

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

CLEANING SHUTTLE RACE

CLEANING FEED DOG

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.
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.
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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