ActiveAid 1100 Owner's Manual page 13

22. Lower arm down and insert the front of the arm into
the receiver on the front of the seat frame and push down
into place.
23. Pivot the arm lock lever to lock armrest into place.
24. If the height-adjustable armrests were ordered,
remove the two hex bolts in the clamp of the armrest
clamp assembly.
22.
23.
24.
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