On the Height Adjustment Knob (38), grab the Base and unscrew it slightly. Pull the ball
knob and at the same time, slide the Height Adjustment Tube (3) into the Backrest
Support Tube (2) to your desired height number. Lock into place by releasing the Knob
and tightening the Base of the Height Adjustment Knob (38).
Insert the Safety Pin (41) secured on the Backrest Support Tube (2) into the hole on the
Backrest Support Tube (2) and the Height Adjustment Tube (3) to lock it into place. See
detailed picture.
Step 5
– Height Adjustment Tube Assembly
8
Safety Pin (41) is secured on the
Backrest Support Tube (2)
Base
Insert Safety Pin here
To Adjust Height
: Pull out the Safety Pin (41). Grab the Base of
the Height Adjustment
Knob (38) and unscrew it slightly. Pull the ball knob and at the same time, slide the
Height Adjustment Tube (3) up or down to your desired height number. Release the ball
knob and tighten the Base of the knob. Make sure the Height Adjustment Knob (38)
locks securely into a hole on the Height Adjustment Tube (3). Re-insert the Safety Pin
(41) to lock into place.
