JUKI HZL-E70, Руководство по обслуживанию

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5-1-17 Longitudinal feed
1. After turning the power switch OFF, pressing the reverse button, turn the power
switch ON. Then turn the stitch length manual adjustment button ON while the
pattern selector LEDs light up in order. Then release your finger in the order of the
reverse button and the stitch length manual adjustment button. The pattern changes
over to the sewing pattern for darning adjustment. ( )
(Program for adjustment)
2. 2-layer cotton broad, SHAPPE #60 (for both needle and bobbin threads),high speed
and tension “4”
3. Sew three pieces or more of the sewing pattern of darning stitching under the condi
tions of 2. above.
Turn the pattern adjusting knob to adjust so that at the third sewing pattern, the
bottom end of the first return pattern from the left and the bottom end of the third return
pattern are on the same line (tolerance ±0.5 mm) as illustrated in the figure below.
4. Sew BH (buttonhole) and check the stitch length. Preparation for
adjustment
How to adjust the
sewing conditions
Start of sewing
Pattern
adjusting
shaft
5-1-18 Service mode
Adjusting the longitudinal feed (Darning stitching)
Power switch OFF
[2]
[3]
+
Reverse button Power switch ON
+
Feed manual switch
- 2 0 - - 2 0 -
- 2 0 - - 2 0 -
- 2 0 -
After completion
of selection
Completion of selection of darning
pattern with the sound of buzzer “peep”.
1
2
3
± 0.5mm
1 2 3 4
5-1-17 Adjusting the amount of longitudinal feed
Pressing
[1] , turn [2] ON, then press [3] .
Then release [1] after completing lighting up of
the pattern LEDs in order.
[1]