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HDE 17.03.21
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8. Installation instructions
8.1. Assembly the supplied folding staircase
8.1.1.
Remove all components from the package and spread them on a clean surface (if necessary on a protective foil or
cardboard). Start with the preparation of the steps. Using a rubber mallet, knock the brass sleeves into the through
holes of the step elements on each side.
The brass sleeve must be driven approx. 7mm deep into the drill hole so that it is centered. A knockout makes the
assembly easier, alternatively the head of a supplied axis screw can be used as a scale. Position the head of the
screw vertically on the brass sleeve and tap it in gently with a rubber mallet until the screw head is flush with the inner
hole.
Use a rubber mallet, otherwise you will damage the thread of the axis screw.
Correct fit of the brass sleeve.
8.1.2.
Then press the black spacer sleeves on both
sides into the stepped bore of the steps and, if
necessary, tap them in with a hammer. A total of
four spacer sleeves must be inserted per step.
en
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