JUKI DDL-8700-7 Engineer's Manual

7. BRIEFLY CHECKING THE ADJUSTMENT OF THE THREAD TRIMMER OF
DDL-8700-7 SERIES
Confirm checkpoints ❶ through ❻ following the procedure described below. It is basically required to
adjust the points properly.
Turn ON the power to the sewing machine, and the
machine stops with the marker dot engraved on the
machine arm aligned with the marker dot (white) on the
pulley.
Turn OFF the power to the machine with the marker dot
aligned with the marker dot (white). Now, confirm
checkpoints
❶
through
❺
.
Press the roller arm in
the direction of the
arrow to confirm that
the roller arm smoothly
projects and retracts.
Turn ON the thread
trimming solenoid
by hand and confirm
checkpoints
❷
through
❺
.
Confirm that a clearance
of 0.3 ± 0.2 mm
(equivalent to
thickness of one or
two sheets of paper)
is provided.
Start
Marker dot
White
Normal direction
of rotation
Cheakpoint
❶
Cheakpoint
❷
Roller arm
Roller arm
0.3 ± 0.2mm
− 62 −

JUKI DDL-8700-7 Specifications

General

Max Stitch Length	5 mm
Needle Bar Stroke	30.7 mm
Lift of the Presser Foot	By hand: 5.5 mm, By knee: 13 mm
Lubrication	Automatic
Needle	DB×1
Hook	Full rotary hook
Power Requirement	Single-phase 100~120V, 200~240V
Motor	Direct-drive servo motor
Weight	45 kg