Operation Manual

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22.
ADJUSTING THE FEED TIMING (DDL-8700L)
1) Tilt the machine head and insert a screwdriver from the bottom side of the machine head.
2) Loosen plated screws
2
and
3
in feed eccentric cam
1
, move screw
2
in the direction of the arrow,
and rmly tighten screw
2
. Then tighten screw
3
.
3) For the standard adjustment, adjust so that the top surfce of feed dog and the top end of needle eyelet
are ush with the top surface of throat plate when the feed dog descends below the throat plate.
4) To advance the feed timing in order to prevent uneven material feed, move the feed eccentric cam in
the direction of
A
.
5) To delay the feed timing in order to increase stitch tightness, move the feed eccentric cam in the direc-
tion of
B
.
• Be careful not to move the feed eccentric cam too far, or elese needle breakage may result.
• When loosening the screws in the feed eccentric cam, if the feed eccentric cam is not properly
adjusted in lateral direction, torque of the sewing machine or seizure of the feed eccentric cam
may result.
1
3
2
B
A
Standard feed timing
Advanced feed timing
Delayed feed timing
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.