Adjustment
14
Fig. 1 3- 09
13
.05.08
Zigzag stitch movement
Rule
If the needle bar is in t.d.c. coming from the right bottom dead centre (adjustment hole "
2
"),
the needle bar should not move sideways when moving the zigzag stitch adjusting lever
back and forth.
O
Move the needle bar to t.d.c. coming from the right bottom dead centre and insert the
adjusting pin into hole "
2
" of the bearing plate (block machine).
O
Turn the zigzag eccentric
1
(screws
2
)
according to the
rule
. Make sure that the zigzag
eccentric
1
protrudes about
5 mm
from the right inner side of the cast wall.
O
Pull the adjusting pin out of the bearing plate.
2
1
5 mm
Summary of Contents for 937
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