Adjustment
11
Fig. 13 - 06
13
.05.05
Zero stitch and zigzag stitch scale
Rule
At zigzag stitch setting "
0
",
1. the needle bar should not move sideways when turning the handwheel,
2. the mark "
0
"
on the scale
1
should match the mark
2
.
O
Set the needle position adjusting lever
4
to
"Middle"
and loosen the screws
5
and
6
.
O
Allow the machine to run slowly and turn the zigzag stitch adjusting lever
3
to the right
until the needle bar no longer moves sideways.
O
Switch off the machine, move the screw
5
until it abuts on the right and tighten.
O
Loosen the screws
7
and adjust the scale
1
according to
rule
2
.
O
Tighten the screws
7
.
The screw
6
remain loosened for the subsequent adjustments.
1
2
3
4
5
6
7
7
Summary of Contents for 937
Page 61: ...Notes ...
