XII. Maintenance
29
E. TO REPAIR OR REPLACE A TIRE
Residual air pressure in tires can cause severe injury. Make sure you release all
air in tire before attempting to service or repair tires.
8" Drive Wheels:
a. Elevate and securely support chair so that wheel is off the ground. Release all air
from tire (solid aluminum rim only).
b. Remove lock nut.
c. Remove washer.
d. Remove wheel from chair.
e. Remove all bolts holding two halves of rim together (not applicable on solid alu-
minum rim), and remove tire and solid insert.
f. Repair or replace inner tube (replace rim strip if necessary).
Use a torque setting of 420 in.-lbs. to re-tighten bolts.
g. Inflate tire to proper pressure level (listed on tire sidewall).
F. MOTOR BRUSHES
Check the motor brushes every four (4) months for wear. The brushes should be clean and
shiny. Replace worn or blackened brushes.
G. ORDERING PARTS
When you order parts, provide the following:
1. Model of chair
2. Serial number of chair
3. Left hand or right hand control
4. Part number, description and quantity of parts you need.
5. State reason for replacement.
H. MAINTENANCE CHART
You should check the items on this chart at the indicated intervals. If any of the items are
loose, worn, bent or distorted, immediately have them checked and/or repaired by your
authorized Sunrise supplier. Frequent maintenance and servicing will improve performance
and extend wheelchair life, and help prevent injuries.
Charge batteries ✓
Check tires for proper inflation level ✓
Check plugs and connectors for proper connections ✓
Check all moving parts for wear ✓
Inspect all nuts, bolts and fasteners for looseness or wear ✓
Inspect upholstery for wear ✓
Remove and inspect motor brushes ✓
Service by authorized supplier ✓
Daily
Weekly
Monthly
Quarterly
Annually
CHECK...
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