SunStar KM-640BL, Руководство пользователя

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10) Adjusting presser foot pressure
As shown in Figure 28, the pressure of the upper feed
presser foot becomes stronger when you turn the pressure
adjustment screw
①
clockwise, and becomes weaker in case
of turning it counterclockwise.
After the adjustment, be sure to tight the fixing nut
②
.
The auxiliary presser foot is same to the upper feed presser
foot: the pressure increases when you turn the pressure
adjustment screw
③
clockwise, and becomes weaker in case
of turning it counter clockwise.
After the adjustment, be sure to tight the fixing nut
④
.
In case of fine adjustment, use the auxiliary pressure
adjustment screw ⑤ .
11) Adjusting stitch length
As shown in Figure 29, the number marked in the stitch
control dial
①
means the stitch width in mm. Adjust it in
sideways and fix it to your desired number of stitch width.
[Figure 28]
[Figure 29]
stronger
weaker
weaker
stronger
Caution
▶ After disassembling and adjusting a safety device, always place it back to the original position
and check whether it functions as intended.
▶
Use both hands when pushing the machine backward or returning it to the original position.
Due to the weight of the machine, your hand can get stuck in the machine if you should slip.
▶ When adjusting the machine with the switch on, be sure to pay extreme caution.
▶ Only trained engineers must perform troubleshooting or inspection of the machine.
▶
For electrical repair or inspection, consult with qualified technicians or agent.