Future Orion III, Руководство пользователя

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WC ORION III ENGLISH CDN 1230 REV01.DOCX 12 ORION III
3. The person at the rear is in control. He or she tilts the chair
to the balance point of the rear wheels and rolls it to the
edge of the top step.
4. A second attendant stands on the third step from the top
and grasps the hanger receiver or frontmost part of the
seat rail. He or she lowers the chair one step at a time by
letting the rear wheels roll over the stair edge.
5. The attendants move to the next stair down. Repeat for
each stair, until you reach the landing.