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Adjustment
23
Fig. 13 - 18
13
.05.17
Bottom feed dog zero position
(in machines with -918/14)
O
Set the stitch length to "
0
".
O
Place the open-ended wrench (
SW
27
)
on the spring tension ring
1
and use it to hold the
regulating shaft
2
tightly.
O
Loosen the screw
3
.
O
Whilst continuously turning the handwheel, turn the open-ended wrench on the spring
tension ring
1
according to the
rule
.
O
Move the adjusting crank
4
until it abuts the casting in this position and tighten the screw
3
.
O
Carry out a check according to the
rule
.
Rule
The bottom feed dog should not move when turning the handwheel with stitch length
setting "
0
".
2
1
4
3
Содержание 937
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