Karman Healthcare S-Ergo 105(KM-1500?3) Owner's Manual page 16

Do not: Try to detach the wheels while the wheelchair is occupied even it is
installed with anti-tippers.
4.1.5 Adjust Footplate Height
To adjust footplate height, use the Karma tool provided to loosen the bolt at
the side of the footrest arm.
Adjust it to the desired height, re-tighten the screw and make sure the
footplate is firm. Then tighten the nut as a locknut from outside. (See Figure
4.15.)
SUGGESTION:
Make sure that the footplate height is adjusted properly according to the
user's calf length to reduce pressure on the body.
The footplate height must be at least 5cm from the ground. (See Figure
4.16.)
4.1.6 Adjust Backrest (for S-106)
To suit the user's need, the backrest can be adjust to 95°, 100°, 105° without
any tools.
Pull out the release lever on both sides, turn it down by 90°, release it, and
make the release pin out of its position holes. (See Figure 4.17-18.)
Pull up the armrest on both sides, and then move it forward or backward to the
desired position, push it down, and make the screw go into the desired slot. (See
Figure 4.19-20.)
Turn the release lever to its original position, and make the release pin go into
the desired holes. (See Figure 4.21.)
Figure 4.17
Figure 4.15
Figure 4.18
Figure 4.16
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Figure 4.19