Invacare 4V66FLR Owners Manual - Page 40

Replacing/Repairing Caster Tire/Tube, Replacing/Repairing Rear Wheel Tire/Tube

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5. Periodically adjust wheel locks in correlation to tire wear. Refer to 5.14 Adjusting the Patient Operated Wheel Locks, page 35. 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. Refer to 5.8 Replacing Rear Wheel Handrim, page 32. 7. Periodically check caster wheel bearings to make sure they are clean and free from moisture. Use a Teflon® lubricant if necessary. 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/dete- rioration. Clean if desired. Replace if looseness or deterioration is found. 11. Replace any labels that are missing, worn or torn. Maintenance 6.1.2 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. 6.1.3 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. 1567855-C 39

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Maintenance
5.
Periodically adjust wheel locks in correlation to tire wear. Refer
to 5.14 Adjusting the Patient Operated Wheel Locks, page 35.
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. Refer to 5.8 Replacing Rear Wheel Handrim, page
32.
7.
Periodically check caster wheel bearings to make sure they
are clean and free from moisture. Use a Teflon
®
lubricant if
necessary.
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/dete-
rioration. Clean if desired. Replace if looseness or deterioration
is found.
11. Replace any labels that are missing, worn or torn.
6.1.2
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.
6.1.3
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.
1567855-C
39