16
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.
6) Adjusting roller presser foot height and
pressure
A. Adjusting the height of the presser foot
Loosen the pressure adjustment screw
①
and the presser bar
bracket fastening screw
②
, and lift the presser bar lifter
③
.
Make the distance between the upper side of the needle
plate and the lower side of the presser foot 7mm. Then,
tightly fasten the bracket fastening screw
②
. Be sure that
the presser bar does not move.
B. Adjusting the pressure of the presser foot
Turning the pressure adjustment screw
①
to the right
increases the presser foot tension, and turning it to the left
makes it weaker. After adjusting, make sure to tighten the
fixing nut
④
.
For minute adjustment, turn the auxiliary pressure
adjustment screw
⑤
.
[Figure 16]
Weak
Weak
Strong
Strong
