Invacare Concept 45 User Manual page 33

5. Periodically adjust wheel locks in correlation to tire wear. Refer to Adjusting Patient Operated Wheel Locks on page 53..
 Tire wear is excessive if:
• Pneumatic Tires - there is missing tread or the tires are bald.
• Urethane Tires - there are cuts, surface defects or the tires are loose on the rims.
• Rubber Tires - 30% or more of the tire has worn away.
Invacare recommends that rear wheel tire/tube and caster tire/tube be replaced every five years.
6. Periodically check handrims to ensure they are secured to the rear wheels. If loose, have them tightened by a qualified technician.
7. Periodically check caster wheel bearings to make sure they are clean and free from moisture. Use a Teflon
8. Check upholstery for sagging, rips or tears.
9. Clean upholstery with mild soap and water.
10. Hand grips should be checked monthly for wear/looseness/deterioration. Clean if desired. Replace if looseness or deterioration is found.
11. Periodically check gas cylinders for oil leaks. If oil leak is detected, replace the cylinder(s).
Replacing/Repairing Rear Wheel Tire/Tube
WARNING
Replacement of solid urethane tires is not recommended. If the solid urethane tire needs repaired, Invacare recommends
replacing the complete wheel assembly.
Replacement of rear wheel tube must be performed by a qualified technician.
Replacing/Repairing Caster Tire/Tube
WARNING
Replacement of solid urethane or semi-pneumatic tires is not recommended. If the solid urethane or semi-pneumatic tires
need replaced, Invacare recommends replacing complete caster assembly.
For pneumatic tires, replacement of the tube must be performed by a qualified technician.
Part No. 1088191
4 SAFETY INSPECTION/TROUBLESHOOTING
33
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lubricant if necessary.
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Invacare Concept 45 Wheelchair