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Invader Wave
On this version, the seat straps are threaded through metal loops on the frame tube. The adjustment is as
described above.
Please note: This version has two-piece seat straps (hook-and-loop version). A short strap (hook/hook version) is
attached in addition on the loop surface of the seat straps in the area between the seat tubes. The ends of the long
seat strap are then attached to this strap with hook-and-loop.
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7.7 Adjusting the leg supports
The distance between the footplates and the sitting surface influences sitting stability. The height adjustment acts
on the pelvis and ischial bones.
7.7.1 Adjusting the lower leg length
The following adjustment instructions only apply to height-adjustable leg supports.
The required leg support height depends on the lower leg length of the user and the thickness of the seat cushion.
The adjustment must be made to exactly the same height on the left and the right so the frame cannot warp.
1) Loosen the mounting screws on both sides (see fig. 22, item 1).
2) Adjust the lower leg length (continuously adjustable). Ensure that the foot plate bar is inserted into the frame
tube by at least 40 mm.
INFORMATION: A mark on the tube of the leg support indicates the minimum distance the tube must
be inserted during installation.
3) Before final attachment, align the leg support to exactly the same height on the left and right:
→ For example, create a reference plane under the leg support on the left side with the help of a try square
(see fig. 22, item 2).
→ Measure the distance between the reference plane (below) and the black bushing (above) exactly (see
fig. 22, item 3).
→ Align the height of the leg support on the right side with millimetre accuracy as well (see fig. 23, item 1/2).
4) Tighten the mounting screws to 10 Nm.
Invader 480S26=10000_K
Settings and assembly instructions
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