HIGHLEAD GC20618-1DZ, Instruction Manual Parts Catalog

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（
4
）
Remove the spring M.
（
5
）
Loosen the hook bracket clamp screws A and B and adjust gap between each needle and hook.
（
6
）
When the needles and hooks have been adjusted, install the spring M.
（
7
）
Contact the rocking cranks C and D to the stopper pins E and F and tighten the connecting link clamp
bolt J.
（
8
）
Turn the balance wheel by band until the needles reach the lowest position.
（
9
）
Loosen the nuts G and H.
（
10
）
Depress the cam follower crank K and adjust the connecting rod L so that the cam roller can
smoothly enter the groove of thread trimmer cam.
（
11
）
Adjustment of the cam groove and the cam roller
a.Push the cam follower crank K so that the cam roller enters into the cam groove.
b.Turn the connecting rod L and adjust the clearance between the cam roller and the cam groove surface N
as small as possible, and tighten the nuts G and H.
c.Push the cam follower crank K again and check that the cam roller enters into the thread trimmer cam
groove smoothly.
30.SPECIFICATIONS OF THE OPERATION PANEL
The operation panel is integrated with the motor cover.The operation panel LCD module will display the
sewing mode,specifications,bartacking,foot lifting,needle stop position,thread trimmer and low-speed start. Each
key on the operation panel diagram as shown. In addition to the basic operation added four function. (Left :
standard control operation panel Right : integrated control operation panel)
Thread snap
Thread tension
Bartacking
(ON/OFF)
Short thread
Bartacking
(ON/OFF)
Thread tension
Thread snap
Short thread