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16. ADJUSTING THE STITCH LENGTH
❷
❶
17. ADJUSTING THE HEIGHT OF THE FEED DOG
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following
work after turning the power off and ascertaining that the motor is at rest.
❷
❸
❶
18. ON REVERSE SEWING
❶
❷
While pushing the feed adjusting button ❶ , rotate the handwheel and when the
end of the button has entered the groove of the cam, rotate the handwheel fore
and aft while the feed adjusting button ❶ is being pushed, until the desired fi g-
ure of the graduator plate is matched with the carved line ❷ of the feed adjuster.
When the desired fi gure and the carved line ❷ are matched, release the feed
adjusting button.
The fi gure indicates the length of the stitch in mm unit. (10 → stitch length =
10 mm (25/64")).
The fi gure on the graduation plate can be seen from the sight window even with
the top cover in closed condition.
The maximum height of the feed dog above the throat plate is 1.2 - 1.4 mm (3/64
- 1/16").
Adjust to this position by loosening the screw ❶ .
* When the feed dog is exchanged, be sure to tighten the ❷ set screw of the
feed dog fi rmly. Further, loosen nut ❷ , tighten screw ❸ so that screw push
up the feed dog lightly and tighten the nut ❷ .
* In case the height of the feed dog does not become parallel, adjust by screw
❸ .
Hang the chain to the lifting crank link spring latch plate ❶ with a hook and catch
the other end of the chain to the pedal.
When reverse sewing is to be performed, step on this pedal until the variable
speed link hits the stopper ❷ .
– 10 –
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