Adjusting The Brakes; Adjusting The Knee Lever Wheel Locks - Otto Bock Discovery Instructions For Use Manual

Settings
• permissible positions for 22" drive wheels (see fig. 40, item 2)
• permissible positions for 24" drive wheels (see fig. 40, item 3)
Setting recommendations
Depending on the clinical picture of the user, the intended area of application and the experience/strength of the
attendant, the position of the wheel adapter can be individually readjusted. The safe position of the mobility base
for seating shells on slopes/inclines must be ensured at all times.
Adjusting the wheel adapter
1) Loosen the wheel locks and remove the drive wheels with quick-release axles.
2) Loosen and remove the screw connections on the wheel adapter on both sides (see fig. 40, item 1; see fig. 41,
item 1).
3) Adjust the height and depth of the wheel adapter on both sides. Avoid tilting or canting.
4) Insert the screw connections into the appropriate slots on the wheel adapter and firmly tighten them (see
fig. 40, item 1; see fig. 41, item 1).
5) Put on the drive wheel with quick-release axle. The quick-release axle must not be removable after releasing the
pushbutton.
6) Readjust the knee lever wheel lock on both sides ().
7) Readjust the anti-tipper (see Page 28).
40

6.14 Adjusting the brakes

WARNING
Failure to verify brake functionality
Accident, falling of the user due to incorrect adjustment and improperly inflated tyres
► Verify the correct setting of the wheel lock (especially the distance between the wheel lock bolt and tyre).
► 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 (~ 6 kg).
► Check the tyre pressure of the drive wheels. Note the information in the section "Technical data" or on the tyre
sidewall.
► Only use original drive wheels with a verified maximum radial out-of-round of 1 mm.

6.14.1 Adjusting the knee lever wheel locks

The knee lever wheel lock must be adjusted on both sides when carrying out readjustments.
When changing the position of the drive wheels (for custom fabrication version with 22"/24" drive wheels), both
knee lever wheel locks must be readjusted by moving them on the frame.
Adjusting/readjusting the knee lever wheel lock by sliding it in the slotted hole (for 12" rear wheels)
1) Loosen the screw connections on the slotted hole in the clamping plate (see fig. 42, item 1).
2) The knee lever wheel lock is continuously adjustable in the slotted hole (see fig. 42, item 2). Set the gap
between the tyre and wheel lock bolt to approx. 5 mm when the wheel lock is disengaged (see fig. 43).
26
41
Discovery