typical GC0323, Руководство пользователя

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①
A
B
2
3
①
②
③
④
2
4. Adjusting the position of needle bar (Fig.2)
5. Installing the knee control mechanism (Fig.3)
1. Adjusting the
“
needle up
”
position
When depressing the trimming pedal, the needle
bar should stop at the
“
needle up
”
position. If
the mark error is more than 3mm, adjust it as
follows:
(1) Turn off the power.
(2) Hold the machine pulley, insert the probe unit
the adjusting plate
①
into the two holes A and
press on it by hand, then turn the machine
pulley until the first marked point on the
machine pulley is aligned with the marked point
on the arm.
(3) Start a running test.
2. Adjusting the
“
needle down
”
position
When the pedal returns to the middle position, the
needle bar should stop at the
“
needle down
”
position. If the mark error is more than 3mm, adjust
it as follows:
(1) Turn off the power:
(2) Hold the machine pulley, insert the probe unit
the adjusting plate
①
into the two holes B, then
turn the machine pulley until the third marked
point on the machine pulley is aligned with the
marked point on the arm.
(3) Start a running test.
3. After confirm, connecting the power plug.
1. Pull out the two hinge shafts
①
, and then install it
properly;
2. Install the bell connector
②
onto each shaft;
3. Connect the bell connectors with the connecting
rod
③
;
4. Install the bent bar
④
onto the left bell connector.
The first mark while Needle up
The third mark black Needle down
Mark
Mark (white)
Front
Rear
Mark (black)
The third mark
The first mark