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ENGLISH
27. ADJUSTING THE WIPER (MH-481-4, MH-481-5, MH-484-4, MH-484-5)
Position of the wiper against the needle
The vertical clearance between the wiper and the
needle point must be 1 mm and the horizontal clearance
with the needle center must be 2 mm. You can adjust
it by loosening the screw on the wiper driving arm set
screw
1
.
1
Wiper
Wiper
Needle
WARNING :
To avoid possible personal injury due to abrupt start of the machine, turn off the power to the machine and check to be
sure that the motor has totally stopped rotating in prior.
Wiper
Cushion
Solenoid plunger
1
The most frontward position of the wiper
The most frontward position of the wiper is determined
by the position of the wiper driving solenoid. Adjust
the position of the solenoid by means of the screw
1
so that the top end of the wiper reaches the left end of
the presser foot when the solenoid plunger has gone up
to it's highest position.
* After a proper position has been obtained, check
that the wiper does not contact with the needle and
also that the cushion attached to the wiper driving
arm rests on the bottom surface of the arm when the
wiper has been brought back. If the cushion does
not rest on the arm surface, you must adjust the
position of the solenoid, because the solenoid has
been installed at a higher position or the stroke of
the solenoid is shorter than the standard of 8.5 mm.
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