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3. Cushion installation.
Install the cushion tube (5) onto the frame (1), and lock tightly with the round knob (6).Then use
the arc washer (16) and the round knob (6) to fix the cushion slider (9) to the cushion tube (5).
4. Armrest / Flat plate frame Installation.
Insert the handrail pole (2) into the frame (1) and adjust the height, lock tightly with the knob
(6), and tighten the L-shaped bolt (15) clockwise.
Use the cap nuts (17) to fix the armrest (3) on the armrest pole (2), and use the open-ended
wrench (18) to tighten it.
Use the cap nuts (17) to fix the flat plate frame (4) to the armrest (3) as shown in the figure,
and then use the open-ended wrench (18) to tighten it.
