HIGHLEAD GC20618 Series, Instruction Manual Parts Catalog

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16
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i. Push the cam follower crank K so that the cam roller enters into the cam groove.
ii. Turn the connecting rod L and adjust the clearance between the cam roller and the cam
groove surface L as small as possible, and tighten the nuts G and H.
iii. Push the cam follower crank K again and check that the cam roller enters into the thread
trimmer cam groove smoothly.
SPECIFICATIONS
Model
GC20618-1 GC20618-2 GC20618-1-D GC20618-2-D
Number Single-needle Double-needle Single-needle Double-needle
Application Heavy material
Max. sewing speed 2000(rpm)
Stitch length 0
～
9(mm)
Thread take-up lever
stroke
74.5(mm)
Needle-bar stroke 36(mm)
Presser-foot stroke 16(mm) by Leg 8(mm) by hand
Vertical stroke of
upper feed
2
～
6(mm)
Needle No.
DP
×
17 #23
Hook (Horizontal full-rotating) Large
Thread take-up lever Slide lever
Stitch adjusting
system
Dial
Lubrication system Automatic lubrication
Motor Clutch motor 370W Servo motor 550W
Needle
gauge
Standard 6.4(mm)
Special 3.2 4 4.8 8 9.5 12.7 16 19 25.4(mm)
Note:
◆
Some materials, gauge sizes, and/or sewing conditions may require specifications other than
those listed above.
◆
Feed dog, throat plate, rotating hook, bobbin case and bobbin should be those designed for thread
timer.
◆
Bobbin should be of high quality free from deformation.
◆
This specification is subject to change for machine improvement.