− 15 −
Adjustment Procedures Results of Improper Adjustment
™ When feed amount is not regulated
by the position of feed dog or normal
feed amount regulation metal fitting,
feed dog and throat plate interferes
with each other.
™ When feed amount is not regulated
by the position of feed dog or
information input, feed dog and
throat plate interferes with each
other.
[A-SS/-7, A-SU/-7, A-DS/-7, A-DU/-7]
1) Adjust the stitch length dial to the maximum feed amount the feed
dog to be used.
* Feed amount of both normal feed and reverse feed is regulated to 2
mm at the time of delivery from the factory.
The maximum feed amount of the feed dog at the time of delivery is 2
mm. (Feed dog part No. : 22581508)
[A-SR only]
1) Adjust the stitch length dial to the maximum feed amount the feed
dog to be used.
* Feed amount of normal/reverse feed has been factory-adjusted to 5
mm at the time of delivery from the factory. (Feed dog Part No. :
40018430)
[Common to A-SS/-7, A-SU/-7, A-DS/-7, A-DU/-7 and A-SR]
2) Turn the handwheel, and fix the feed dog so that the clearances in
front and rear are the same at the position where the feed dog does
not come in contact with the throat plate. (A = B)
3) In the case where the gear box (large) cover is not opened, loosen
setscrews 1 in the feed bar crank to adjust the position.
4) In the case where the gear box (large) cover is opened, loosen
setscrew 2 in the feed rocker shaft crank to adjust the position.
To Next Page
Loading...
Need help?
General
