Adjusting The Footrests/Footplates; Adjusting The Depth Of The Footrest Adapter; Other Settings; Checking/Adjusting The Seating Centre Of Gravity - Otto Bock Discovery tmax Instructions For Use Manual

6.8 Adjusting the Footrests/Footplates

CAUTION
Improper footrest/footplate settings
Risk of falling, tipping over
► After changing the footrest/footplate settings, verify that the footrests/footplates do not collide with the caster
wheels at any of the seat tilt settings (seat inclination). The minimum distance between the footrest/footplate and
the caster wheel should be 25 mm.
► Note that with certain footplate settings, the footplate can collide with the caster wheels.
The footplates are the supporting surfaces for the feet.
Their distance from the seat bottom influences sitting stability. The height adjustment acts on the pelvis and ischial
bones. The angle of the footplate should permit a comfortable ankle position.

6.8.1 Adjusting the Depth of the Footrest Adapter

The depth of the various footrests can be adjusted by moving the footrest adapters in the hole channel of the seat
frame members.
1) Loosen the Allen head screws on the seat frame (see Fig. 15, item 1).
2) Remove the lashing point if applicable.
3) Slide the footrest adapters to the desired position (see Fig. 15, item 2).
INFORMATION: Note the minimum insertion depth. The footrest adapters need to be secured with 2 screws.
4) Firmly retighten all Allen head screws to a torque of 10 Nm.

6.8.2 Other Settings

The following adjustments are described in more detail in the included instructions for use (user) for all footrests that
are offered – reference number 647G733:
• Adjusting the lower leg length
• Adjusting the footplate angle

6.9 Checking/Adjusting the Seating Centre of Gravity

CAUTION
Improper adjustment of the seating centre of gravity
Risk of tipping over, falling from the seating shell/seating system
► Avoid extreme settings that could lead to tipping when adjusting the seat angle.
► Always choose centre of gravity settings so that the holding forces are as low as possible for the attendant.
► For transfemoral amputees, shift the seating centre of gravity forward. This improves the stability of the wheel­
chair.
► Do not reach into the adjustment mechanism when changing the seat tilt settings.
Checking the seating centre of gravity is required in order to ensure that the seat angle can be adjusted easily when
the user is seated.
In principle, the centre of gravity adjustment has the following effects:
Seating centre of gravity
Too far in front of the pivot point
02/2012
15
Effect
Seat tilts far forward when it is unlocked;
high holding forces required during seat adjustment.
Adjustments
16
15