Adjustment
19
Fig. 13 - 14
13
.05.13
Top and bottom feed synchronous position
(in machines with -918/14)
O
Set the stitch length to "
1.5
"
and both of the levers
1
to "
0
".
O
Whilst continuously turning the handwheel, turn the shaft
2
(screw
3
)
according to the
rule
.
O
Move the clamp crank
4
upwards until it abuts and tighten the screw
3
.
Rule
With a stitch length setting of "
1.5
"
and when both of the levers
1
are in position "
0
",
the
top feed dog and bottom feed dog should move by the same stroke when turning the
handwheel.
4
3
2
1
Summary of Contents for 937
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