JD JDL-420 Series, Руководство пользователя

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2.8 unwinding unit paper route
2.9 Installation of scroll
Rotate the inner rings of the two
bearing bearings so that the release
button is aligned with the mark point,
press the release button, push the inner
rings to the outside and take down the
gas fluctuation shaft, and let airbag
release. Then, the gas fluctuation shaft
is penetrated into the inner hole of the
pre-printed scroll. According to the
scale on the gas fluctuation shaft, the
paper is correctly installed. The air
fluctuation is inflated by air gun and
the scroll is fastened. Press the lifting
arm to lift / drop the operating button,
so that the lifting arm is in a suitable
position, and the inner ring of the two
bearings is rotated to align the release
button with the marking point. The
scroll installed on the gas fluctuation is
placed into the center hole, and the
inner ring of the two bearing is
respectively pushed to lock the gas
fluctuation shaft. Press the lift /drop
operation button to keep the lift arm in
a horizontal position.