Adjustment
28
Fig. 13 - 23
3
2
1
13
.05.22
Torsion spring for the differential regulating shaft
(in machines without -918/14)
O
Turn the torsion spring
1
using the nut
2
(screw
3)
according to the
rule
.
Rule
When the presser foot is raised, at the stitch length setting "
0
"
and when the thumb
wheel
4
is set to "
+
4.5
"
and the thumb wheel
5
is set to "
0
", the guide pin
6
should rest in
the slotted lever
7
.
5
4
7
6
Summary of Contents for 937
Page 61: ...Notes ...