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IX. ADJUSTING THE AIR-BLOW WIPER (UT56)
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest. In addition, cut the air
supply from air compressor.
1. Installing the air-blow wiper
2. Adjusting the air-blow wiper
❸
When using air-blow wiper ❶ , remove the top
1)
covering thread trimmer device.
Tighten air-blow wiper ❶ with setscrews ❷ .
2)
3)
Perform piping referring to "IV. AIR PIPING
DRAWING" p.7.
❷
❶
Adjust the air-blow position of air-blow wiper ❶ .
Adjust so that the air outlet of air-blow wiper ❶ is
1)
positioned in the rear of needle and slightly on the
lower side of needle eyelet of the left needle when
the needle bar is in the highest position.
2)
After the adjustment, temporarily tighten setscrews
❷ .
3)
Supply air from the air compressor and turn the
power ON.
4)
When the back part of the pedal of sewing
machine is depressed, the presser goes up and
simultaneously air blows from air-blow wiper ❶ .
Re-adjust the position of air-blow wiper ❶ so that
air blows only to the needle thread in the rear of
the needle eyelet.
After the re-adjustment, tighten setscrews ❷ .
5)
・ When air blows in front of the needle, nee-
・ Adjust the air-blow strength with speed
・ Handwheel may rotate up to the fixed po-
– 18 –
dle thread slips from the needle eyelet. So,
be careful.
controller ❸ .
sition when turning ON the power. So, be
careful.
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