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(25) Wiper adjustment
(Caution) The intermediate presser supplied as standard accessory is available up to 5 mm
material thickness. However, the intermediate presser cannot be used for the material
thickness of 3mm since the wiper cannot pass the space between the tip of needle
and the intermediate presser .
Turn OFF the wiper switch in case of 3mm material thickness or more.
Otherwise, set the memory switch U105 at 1 so that the wiper can operate in the
lowering phase of the intermediate presser .
A
Throat plate top surface
Height of
Intermediate
Presser
1mm or more
10mm
15° to 20°
V letter
1. When lowering the intermediate presser at the stop position after thread trimming (needle height from
the top surface of throat plate is 17.7 mm.) and pressing wiper link section
A
, adjust the clearance
between the center of needle and the inside of V letter of the wiper to 10 mm.
2. Press wiper link section
A
on the way and when the wiper has come to the underside of needle, adjust
the clearance to 1 mm or more.
3. The opening angle of the top end of the wiper is 15° to 20°.
Center of needle
Standard Adjustment
Wiper shaft cap
1mm or more
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