22
CHECK IF ALL BOLTS AND NUTS ARE
TIGHTENED BEFORE USING THE DE-
VICE!
Step 5
Slide the extension tube (20) in corresponding direction through the lower end of backrest frame
and secure in a matching position for your body height.
For correct adjustment of the extension tube (20) according to your body height please check the
markings on the tube:
Please note, that you must not use the device if you are taller than 1.98 meters as this would ex-
ceed the maximum possible height adjustment of the tube.
