Inspect/adjust periodically, Inspect/adjust every 18 months, Inspect/adjust every 2 years – Invacare TDX SP User Manual
Page 30: Troubleshooting - mechanical
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
30
Inspect/Adjust Periodically
❑ Ensure wheelchair rolls straight (no excessive drag or pull to one side).
❑ Inspect all fasteners.
❑ Inspect TRRO/TRBKTS fasteners and hardware.
❑ Ensure clothing guards are secure.
❑ Arms are secure but easy to release and adjustment levers engage properly.
❑ Adjustable height arms operate and lock securely.
❑ Upholstery has no rips.
❑ Armrest pad sits flush against arm tube.
❑ Axle nut and wheel mounting nuts are secure on drive wheels.
❑ Wheels/casters have proper tension when wheels/casters are spun (when free‐
wheeling). Wheels/casters should come to a gradual stop.
❑ Ensure that casters are free of debris.
❑ Inspect foam handgrips for damage. If damaged, have them replaced by a qualified
technician.
❑ Inspect motor brushes and gearbox coupling (4 pole).
❑ Check center mount front riggings for worn/frayed belts and/or loose fasteners. If
found, replace these items.
❑ Check that all labels are present and legible. Replace if necessary.
❑ Inspect electrical components for signs of corrosion. Replace if corroded or damaged.
Inspect/Adjust Every 18 Months
❑ Replace motor brushes and gearbox coupling (4 pole).
Inspect/Adjust Every 2 Years
❑ For optimum performance, replace gas‐locking cylinders.
Troubleshooting - Mechanical
WHEELCHAIR
VEERS
LEFT/RIGHT
SLUGG
ISH
TURN/
PERFORMANCE
CASTERS FL
UTTER
SQ
UEAKS AND RATTL
ES
LOOSENESS IN WHEELCHAIR
WH
EELCH
AIR 3
WHEELS
SOLUTIONS
X
X
X
If pneumatic, check tires for correct and equal pressure.
X
X
X
X
Check for loose stem nuts/bolts.
X
X
Check that casters contact ground at the same time.
X
X
If pneumatic, check tires for correct and equal pressure.