Adjustment
for
changing
the
stitch
number
If this is not properly adjusted, the machine willbe severelyjolted when it stops and overall durability willbe
adversely affected.
1.
With the
machine
stopped, turn the
handle
until the two set
screws
O are in an easy-to-loosen position.
2. Loosen the two set screws
0«
and align the index of stop cam BO with the stitch number on the deceleration
scale
O.
Retighten the set screws.
[HI
Cutter
safety
device
adjustment
If this deviceis not properly adjusted, the cutter may fall at the start of sewing,and may not fallat the end of
sewing.
0
1,
Pressthe cutter push rod O and raise the thread breakage detector lever© incondition ofdeceleration, then to
raise it
fully,
turn the
pulley
and have the C clutch © meet the thread take-up lever link pin
©.
2. Loosen the screw
©,
and adjust the position of the thread take-up lever link© so that the stop leverplate © can
touch the pin © when the pin © meets the cutter stop lever
©.
-57-
To Next Page
Loading...
