ZOJE ZJ9700, Operation Manual

Page: 38 / 86

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1.Needle position after thread trimming.
After switch on the machine,stop the machine as the needle goes to its highest position and then the
distance between the needle plate upper plane and the needle point is:middle heavy cloth:10-20mm
(the red point A on the back cover aligns with the red point B on the upper wheel);the heavy cloth:10-
14mm (the red Point A aligns with the point E on the upper wheel).
If you want to change the needle position,loose the two fixed screws l and then you can adjust it in the
long slot.
①
If the screw moves to C,the needk bar
②
stops at its highest position;
② If the screw moves to D,the needle bar stops at a lower position.
Remarks:
When loose the screw
① ,please do not set up the machine;besides,just losse the screw ① nottake it off
2.The needle's lower position
Precaution:Don't adjusting the needle's stop position.
1.Adjusting the pressure required to depress the
front put of the pedal
1)This pressure can be changed by altering the
mounthing position of pedaling pressure adjust
spring
①
.
2)The pressure decreases when you hook the
spring on the left side.
3) The pressure in creases when you hook the
spring on the right side.
2.Adjusting the pressure mquired to depress the
back part of the pedal
l)this pressure can be adjusted using regulator
screw
②
.
2)The pressure increases as you turn the regulator
screw in.
3)The pressure decreases as you tum the screw cut.
3.Adjusting the pedal stroke
1)The pedal stroke decreases when you insert connecting rod
③ into the lea hole.
26.Adjusting the thread take-up stroke (Fig.32)
27.Adjusting the needle stop position (Fig.33)