Adjusting The Rotary Hook Lubrication Amount - Texi ART AUTO User Manual

9.6 Adjusting the rotary hook lubrication amount

Be careful not to touch fingers or the lubrication amount check sheet against moving parts such as rotary hook or the
feed mechanism when checking the amount of oil supplied to the rotary hook, otherwise injury may result.
Use the following procedure to check the amount of oil being supplied to the rotary hook when replacing the rotary hook or
when changing the sewing speed.
<Checking the lubrication amount>
1. Remove the thread form all points form the thread thread-up to the needle.
2. Use the lifting lever to lift the presser foot.
3. Run the machine at the normal sewing speed for Approximately 1 minute without sewing any material (following the same
start/stop pattern as when actually sewing).
4. Place the lubrication amount check sheet (1) underneath the rotary hook (2) and hold it there. Then run the sewing speed for
8 seconds. (Any type of paper can be used as the lubrication amount check sheet (1).)
5. Check the amount of oil which has spattered onto the sheet. When need adjust, please follow below to adjust (Adjust the lubri-
cation amount).
NOTE: If the lubrication amount can fit as show in the figure ( oil stain splash to paper present a complete banding or don't
splash out ) then rotation to the right, make the screw (3) fully screw, then rotation two half roll to the left.
CAUTION
<Adjusting the lubrication amount>
1. Tilt back the machine head.
2. Turn the adjusting screw (3) is turned clockwise, the lubrication
amount. If the rotary hook adjusting screw (3) is turned clockwise.
the lubrication amount becomes greater. If the rotary hook adjusting
screw (3) is turned clockwise, the lubrication amount becomes
smaller.
3. Check the lubrication amount again according to the procedure
given in "Checking the lubrication amount" above. *Turn the adjust-
ing screw (3) and check the lubrication amount repeatedly until the
lubrication amount is correct.
4. Check the lubrication amount again after the sewing machine has
been used for approximately two hours.
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