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Do not interfere with tires when rolling
Pivot points free of wear and looseness
Prevent chair from moving when engaged
Inspect for rips or sagging
Inspect for loose or broken hardware
Inspect the casters for smooth rotation of the caster
wheel and caster assembly
Inspect the caster for wear in the bearings/mountings
and for tire wear or damage
If Installed, quick-release axles lock properly; lubricate
if necessary
No excessive side movement or binding when lifted and
spun
Inspect for cracked, bent or broken spokes
If installed, inspect the detachable armrest button for
effective locking