Adjustment Of The Bobbin Winder; Adjustment Of The Work Holder Presser; Changing The Work Holder - Mitsubishi PLK-E2010R Instruction Manual

7-7 Adjustment of the bobbin wiper
1) Adjustment of the wiper volume
Loosen the set screw (No.2) of the adjusting lever (No.1) and adjust the position of the adjusting lever
(No.1). If move the adjusting lever (No.1) to the arrow direction "a" the winding volume is reduced,
and if move the adjusting lever (No.1) to the arrow direction "b", the winding volume is increased. The
winding volume is adjusted 80% of the full volume when the sewing machine is shipped from the
factory.
2) Adjustment of the proper position of the bobbin winder
Firstly, loosen the set screw (No.3) and (No.4) of the bobbin winder and put the empty bobbin (No.5)
on the rotating shaft (No.6) then, push the adjusting lever (No.1) to the arrow direction "a". Secondary,
move the whole bobbin winder to the arrow direction "c" and stop it at the position where the empty
bobbin is rotated then, tighten the set screw (No.3) and (No.4) of the bobbin winder. This is the proper
position of the bobbin winder.
7-8 Adjustment of the work holder
7-8-1 Adjustment of the work holder pressure
CAUTION
★If the secondary side air pressure is set too high, trouble such as operation faults may occur. Always
set the pressure to within 0.4Mpa.
The work holder pressure is provided from an air source.
Lift and turn the air regulator's adjustment knob (No.1) located under the table to adjust the air
pressure.
If turn the adjusting knob (No.1) to the clockwise, the air pressure is increased and the work holder
pressure is also increased simultaneously.
If turn the adjusting knob (No.1) to counter clockwise, the air pressure is decreased and the work
holder pressure is also decreased simultaneously.
0.4Mpa (4kgf/cm

7-8-2 Changing the work holder

1) Remove the work holder (No.3) by pressing it down from the engaged area with the pin (No.4) of the
work holder york.
2) Prepare another work holder and securely engaged its U shaped motise (No.5) with the pin (No.4)
of the work holder york.
a
b
2)
2
) is the standard air pressure as a normal sewing operation.
5)
3)
1)
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6)
4)