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7 Adjustments by qualified personnel
7.1 Prerequisites
WARNING
Faulty settings
Tipping over, falling or malposition of the user due to incorrect adjustments
► Adjustment and installation work may be carried out only by qualified personnel.
► Only the adjustments described in these instructions for use may be carried out.
► Settings may be changed only within the allowable adjustment ranges; otherwise, the stability of the product
may be impaired (see this section and the "Technical data" section). If you have any questions, contact the
manufacturer's service department (see www.ottobock.com for addresses).
► Unless expressly described, you may not change any settings with a person sitting in the product.
► Secure the user against falling out during all tests.
► Before testing setting changes with the user seated, firmly tighten all screw connections.
► Check for safe function before delivering the product.
WARNING
Lack of stability against tipping
User may fall or tip over due to lack of inspection
► Changing the settings can lead to instability of the system as a whole. Verify tipping resistance after any
changes to the settings.
CAUTION
Unsecured screw connections
Pinching, crushing, tipping over, falling of user due to assembly errors
► Always firmly re-tighten the mounting screws and nuts after changing settings. Observe the specified torques
in doing so.
► Any time you loosen a screw connection with thread lock, replace it with a new screw connection with thread
lock or secure the old screw connection with medium strength thread locker (e.g. Loctite 241).
► Always replace self-locking screws and nuts with new self-locking screws and nuts after disassembly.
Fine-tuning and adjustments should always be carried out in the presence of the user. The user should be sitting
upright in the wheelchair during the fine-tuning process.
All parts of the product should be cleaned thoroughly before adjustments are made.
The tools required for adjustments and maintenance tasks as well as the torque values for screw connections are
listed in the section "Appendices" (see page 53).
7.2 Adjusting the drive wheels
WARNING
Lack of fine adjustment of the drive wheels
Tipping over, falling of the user due to incorrect adjustment
► Check the standard adjustments of the wheelchair for stability against tipping and function of the drive
wheels. Avoid any extreme settings.
WARNING
Incorrectly adjusted wheelbase
Tipping over, falling of the user due to unstable settings
► Please note that with the drive wheel in a more forward mounting position and with an unfavourable body pos
ition, the user may tip backwards even on level ground.
► Use an anti-tipper for inexperienced users and with extreme settings of the drive wheel.
► Be sure to position the drive wheels towards the rear for transfemoral amputees. This improves the stability of
the wheelchair.
Start Multi
Adjustments by qualified personnel
15
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