Invacare Wheelchair Pronto M91 Base User Manual
Page 27
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
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Pronto® M91™Base with SureStep®
Inspect/Adjust Weekly
❑ Ensure seat is secured to wheelchair frame.
❑ Ensure seat and/or back upholstery have no rips and do not sag. Replace if necessary.
❑ Ensure seat release latch is not worn and is functional. Replace if necessary.
❑ Inspect tires for flat spots and wear.
❑ Ensure arm pivot points are not worn and/or loose. Replace if necessary.
❑ Inspect and clean the stability lock gears. Replace if worn.
❑ Ensure casters are free of debris.
Inspect/Adjust Monthly
❑ Ensure wheel mounting nuts are secure on drive wheels.
❑ Ensure there is no excessive side movement or binding when drive wheels are lifted
and spun when disengaged (free‐wheeling).
❑ Ensure wheel/fork assembly has proper tension when caster is spun. Caster should
come to a gradual stop.
❑ Loosen/tighten caster locknut if wheel wobbles noticeably or binds to a stop.
❑ Ensure all caster/wheel/fork/headtube fasteners are secure.
❑ Inspect for any loose hardware on the wheelchair.
❑ Inspect the seat positioning strap for signs of wear. Replace if worn or damaged.
❑ Ensure that the buckle on the seat positioning strap latches. Replace if necessary.
❑ Verify that the hardware that attaches the seat positioning strap to the seat frame is
secure and undamaged. Replace if necessary.
❑ Ensure casters are free of debris.
Inspect/Adjust Periodically
❑ Ensure wheelchair rolls straight (no excessive drag or pull to one side).
❑ Ensure that casters are free of debris.
❑ Ensure arms are secure but easy to release and adjustment levers engage properly (on
ASBA only).
❑ Ensure adjustable height arms operate and lock securely.
❑ Ensure arm pivot points are not worn and/or loose. Replace if necessary.
❑ Ensure armrest pads sit flush against arm tubes.
❑ Ensure seat and/or back upholstery have no rips and do not sag. Replace if necessary.
❑ Inspect electrical components for signs of corrosion. Replace if corroded or damaged.
❑ Ensure seat release latch is not worn. Replace if necessary.