Lubricating The Arm; Lubricating The Rotary Hook - Brother HE-800A User Manual
Electronic lockstitch button holer
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Also See for HE-800A:
- Service manual (162 pages) ,
- Manual del instrucción (122 pages) ,
- Instruction manual (118 pages)
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4. INSTALLATION
-
- . Lubricating the arm
-
- . Lubricating the rotary hook
25
Apply 5-6 drops of oil to the oil inlet (1) at the top of
the arm.
* When using the machine, check that the oil is visible
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When first installing the machine and when the
machine has not been used for an extended period of
time, remove the bobbin and add 2-3 drops of oil to
the rotary hook race (1) before sewing.
3899Q
1. Remove the rubber cap (2).
2. Turn the adjusting screw (3) to adjust the lubrication
* Adjust so that approximately 10 drops of oil are
More
Less
3900Q
HE-800A
through the oil window (2). If it cannot be seen,
problems such as seizure of the mechanism may
occur.
Rotary hook lubrication adjustment
amount.
released when the sewing machine is run at a
speed of 4,000 sti/min for three cycles to sew about
114 stitches. Use Kraft paper (4) or similar to catch
the oil drops. As a guide, the optimum position can
be obtained if the adjusting screw (3) is tightened as
much as possible and then loosened about two
turns.
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