T-8421C, 8422C, 8452C, 8722C, 8752C
11. CLEANING
62
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Resetting the grease consumption amount >
After the grease has been applied, carry out the following
procedure to reset the grease consumption amount.
1. While pressing the key (1) and the key (2) at the
right end simultaneously, press the power ON switch.
2. “GuCt” will appear in the display (3).
3. Press the end backtack key (4).
4. The indicator of the end backtack key (4) will illuminate
and the display (3) will change to showing “xxx”. (“xxx”
represents the amount of grease consumed. For example,
“100” means that 100% of the grease has been
consumed.)
5. Press the continuous backtack key (5) for 2 seconds or
more.
6. The display (1) will change to “ 0”.
7. Press the thread wiper key (6). The display (3) will change
to stitch number display mode and treadle operation will
be possible. (This completes the reset procedure.)
* Pour oil into the oil cover at the same time. (Refer to p.9.)
2201B
2202B
Turn the machine pulley until the
screw (1) can be seen.
Use the tip of a screwdriver or similar to
apply 5-10 mm beads of grease to the slide
block slider (2).
4 places at top,
bottom, left and right
of the slide block (3)
2261B
2138M
2139M
