Adjustment Of The Presser Foot Walk During The Sewing; Adjustment Of The Presser Foot Spring Pressure - Mitsubishi Electric PLK-G5050R Technical Manual

7-9. Adjustment of the presser foot walk during the sewing

(1) The presser foot walk during the sewing can be adjusted with the walk at zero or the walk of 2 to
10mm. The walk at zero requires the exclusive parts (Option). Please feel free to contact the sewing
machine stores.
(2) When turning the set position of the shoulder bolt (No.1) to the direction "a", the presser foot walk
becomes bigger, and when turning the set position to the direction "b", the presser foot walk becomes
smaller.
(3) To adjust the walk in 2 to 4mm, connect the link (No.2) with the screw hole A and adjust with the
method (2) described above.
(4) To adjust the walk in 4 to 10mm, connect the link (No.2) shown on the figure and adjust the method
(2) described above.
.
a
b
<1>

7-10. Adjustment of the presser foot spring pressure

The presser foot spring pressure can be changed with the
following two methods.
(1) To increase the spring pressure, remove the face cover and loosen
the bolt (No.1) then, adjust the spring A (No.3) pressure with the
adjust screw (No.2). After the adjustment, tighten the bolt (No.1).
(2) To fine-tune the spring pressure, loosen the nut (No.4) then,
turn the thumb screw (No.5) to adjust the spring B (No.6) pressure.
* If tighten the adjust screw (No.2) spring A (No.3) pressure
can be increase.
* If tighten the thumb screw (No.5) spring B (No.6) pressure
can be increase.
Screw hole A
<1>: Bolt <2>: Adjust screw <3>: Spring A
<4>: Nut <5>: Thumb screw <6>: Spring B
<2>
- 20 -
<1>: Shoulder bolt
<2>: Link
<4> <5>
<2>
<1>
<6>
<3>