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(3) Confirm the attached state of the eccentric bushing (No.1) (hatched part). In the standard condition
(thread take up lever stroke 77.1 mm), positioning mark on the machine head (No.3) is aligned with
the groove of the eccentric bushing with positioning mark (No.4).
(4) Insert a flat tip screw driver into the groove of the eccentric bushing with positioning mark (No.4) and
rotate in arrow direction by 180 degrees. In this time, align the groove of the eccentric bushing (No.5)
with positioning mark on the machine head (No.3) as shown in the following figure.
(5) After changing, tighten the screw (No.2).
NOTICE To prevent the machine damage, do not operate the machine during incomplete the above
changing operation. Also, the eccentric bushing (No.1) has two contact surface for screw (No.2) for each
take up lever stroke adjusting position. To prevent the screw (No.2) loosing, do not tighten the screw
(No.2) when the eccentric bushing (No.1) is displaced.
<3>
<4>
<1>
Standard shipping state
<3>
<4>
Thread take up lever stroke: 77.1mm
<1>: Eccentric bushing <3>: Positioning mark on the machine head
<4>: Groove of the eccentric bushing with positioning mark
<5>: Groove of the eccentric bushing
<3>
<5>
Thread take up lever stroke: 74.1mm
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