Adjusting The Wheel Locks; Adjusting The Knee Lever Wheel Locks - Otto Bock Start M1 Instructions For Use Manual

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6

6.4 Adjusting the wheel locks

WARNING
Failure to verify brake functionality
Accident, falling of the user due to incorrect adjustment
► Check the correct spacing between the wheel lock bolt and tyre (see the following section for details).
► Check the correct position of the wheel lock bolt relative to the tyre. During braking, the wheel lock bolt has to
cover at least half the tyre width.
► Always carry out adjustments to the wheel lock on both sides.
► Ensure that the user can operate the wheel lock without great effort. The force required to do so must not
exceed 60 N.
► Only use original drive wheels with a verified maximum radial out-of-round of 1 mm.
This adjustment must be made after the drive wheel has been repositioned or during fine adjustment.

6.4.1 Adjusting the knee lever wheel locks

Version 1
1) Loosen the Allen head screws on the clamp bracket (see fig. 8, item 1).
2) The knee lever wheel lock is continuously moveable and adjustable (see fig. 8, item 2).
When the wheel lock is disengaged, the gap between the tyre and wheel lock bolt must not exceed 5 mm (see
fig. 9).
Ensure that the wheel lock bolt covers at least half the tyre width during braking.
3) Tighten the Allen head screws to 16 Nm.
→ After adjustment, the left and right knee lever wheel locks must both have the same braking force.
8
Version 2
1) Loosen the knee lever wheel lock mounting screw (see fig. 10, item 1; see fig. 11, item 1).
If needed: Loosen the mounting screw and move the knee lever wheel lock to the next bore hole.
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7
9
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