● You must make sure that the axle is fully located in the wheelchair bracket
and that the ball bearings are fully open and have positively attached the
wheel in the frame.
● The rear wheel can be mounted at different positions on the frame to
alter the seat height and overall stability of the chair. Changing the wheel
position should be carried out by your approved repairer or therapist.
● Do keep the axle clean and lubricated with light oil or maintenance spray.
● If pneumatic tires are fitted, please maintain them at the correct tire
pressure.
● When the wheelchair is occupied, DO NOT try to remove the rear wheel
even when anti-tippers are equipped.
4.6 Backrest Angle Adjustment
To adjust the backrest angle, follow the instruction as listed below and in
Section 5.3.4:
4.6.1 Flip back the armrest.
4.6.2 Please refer to Section 5.3.4 Backrest Angle Adjustment.
Use the tool provided by KARMA to loosen the bolts and
nuts at the both sides of the backrest frame.
4.6.3 Adjust the backrest forward or backward to the position as
desired. (See Figure 4.21)
4.6.4 Retighten the bolts and nuts firmly.
● The adjustment is in increments of 4〫(6 positions), and the range of
adjustment is 20〫(from -4〫to 16〫)
● Anti-tippers MUST be equipped, when the backrest angle is set as greater
than or equal to four degrees.
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