19
VT2500
5. Proper operation
Check that the pushbutton ① has returned to it's
original position and that the machine pulley ③ rotates
smoothly.
Turn off the power switch of the motor and check
the motor has stopped before adjusting stitch length.
Working with the power on can result in injury.
Table 5
Stitch
length(㎜)
Number of stitches
per inch
Number of stitches
per 30mm
4.0
6
7.5
2.5
10
12
2.0
12.7
15
1.2
21
25
◇
Tabel 5 shows the number of stitches per inch
and 30 mm converted into stitch length.
042
043
1
2
3
4
①
②
③
5.8 Stitch length adjustment
CAUTION
Stitch length can be adjusted infinitely from 1.2
mm to 4.0 mm.
Each graduation on the pulley indicates a stitch
length (mm).
* The actual length of the stitch may vary
depending on the type and thickness of fabric,
and differential ratio.
Changing Stitch Length
(1)
Press the pushbutton ① with your left hand
until feeling the button tip contact the
internal part.
(2) With the pushbutton ① still depressed, turn
the machine pulley to the front with your
right hand. The pushbutton ① draws inward,
therefore press the pushbutton ① forcefully.
(3)
With the pushbutton ① still depressed, align
the scale marked on the machine pulley ③ with
the mark ② on the hole of the belt cover.
●
To make the stitch length larger, turn the
pulley clockwise.
● To make the stitch length smaller, turn the
pulley counterclockwise.
(4) Once the marks are aligned, release the
pushbutton ①.
CAUTION