JUKI DDL-7000A-7 Series User Manual

1) The amount of oil shown in the samples on the
left should be nely adjusted in accordance with
sewing processes.
Be careful not to excessively increase/decrease
the amount of oil in the hook. (If the amount of
oil is too small, the hook will be seized (the hook
will be hot). If the amount of oil is too much, the
sewing product may be stained with oil.)
2) Adjust the amount of oil in the hook so that the
oil amount (oil splashes) should not change while
checking the oil amount three times (on the three
sheets of paper).
Splashes of oil from the hook
1 mm
Appropriate amount of oil (large)
Appropriate amount of oil (small)
1) Turning the oil amount adjustment screw attached
on the hook driving shaft front bushing in the “+”
direction (in direction
󱤨
) will increase the amount
of oil (oil spots) in the hook, or in the “–” direction (in
direction
󱤩
) will decrease it.
2) After the amount of oil in the hook has been
properly adjusted with the oil amount adjustment
screw, make the sewing machine run idle for ap-
proximately 30 seconds to check the amount of oil
in the hook.
(2) Adjusting the amount of oil (oil spots) in the hook
(3) Sample showing the appropriate amount of oil in the hook
Splashes of oil from the hook
󰴤
Amount of oil (oil splashes) conrmation paper
󰴥
Position to conrm the amount of oil
(oil splashes)
Oil splashes
conrmation paper
25 mm
70 mm
(4) Conrmation of the amount of oil supplied to the face plate parts
* When carrying out the work described below in 2),
remove the face plate and take extreme caution
not to allow your ngers to come in contact with
the thread take-up lever.
1) If the machine has not been su󰀩ciently warmed
up for operation, make the machine run idle for
approximately three minutes. (Moderate intermit-
tent operation)
2) Place the amount of oil (oil spots) conrmation pa-
per under the hook immediately after the machine
stops running.
3) Conrm the height of the oil surface in the oil
reservoir is within the range between “HIGH” and
“LOW”.
4) The time required for the conrmation of the
amount of oil (oil splashes) should be completed
in ten seconds. (Measure the period of time with a
watch.)
A
B
DDL-7000AS-7

2mm
DDL-7000AH-7

3mm
– 8 –

JUKI DDL-7000A-7 Series Specifications

General

Brand	JUKI
Model	DDL-7000A-7 Series
Category	Sewing Machine
Language	English