Alfa Network A1930 - Height of the Feed Dog; Tilt of the Feed Dog

9
WARNING
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start
of the sewing machine.
Whenever the feed dog tilt is adjusted, the feed dog height will be changed. So it is necessary to
check the height after tilt adjustment.
WARNING
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start
of the sewing machine.
19. HEIGHT OF THE FEED DOG
1) Loosen screw 2 of crank 1.
2) Move the feed bar up or down to make adjustment.
3) Securely lighten screw 2.
20. TILT OF THE FEED DOG
a front up
b standard
c front down
d throat plate
1) The standard tilt (horizontal) of the feed dog is obtained when marker dot A on the feed bar shaft is aligned with
marker dot B on feed rocker C. (The marker dot B inclines forward the feed rocker shaft by 90º, as standard)
2) To tilt the feed dog with its front up in order to prevent puckering, loosen the setscrew, and turn the feed bar shaft
90º in the direction of the arrow, using a screwdriver.
3) To tilt the feed dog with its front down in order to prevent uneven material feed, turn the feed bar shaft in the opposite
direction from the arrow. (The standard tilt for).