118444 Rev. B
30
Q M - 7 1 0 / 7 1 5 H D / 7 2 0
XI.
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 sup-
plier. Frequent maintenance and servicing will improve performance,
extend wheelchair life, and help prevent injuries.
F. TO REPAIR OR REPLACE A TIRE
WARNING
Residual air pressure in tires can cause severe injury.
Make sure you release all air in tire before attempting
to service or repair tires.
1. 6" Caster Wheels:
a. Remove caster wheel from fork using a 1/2" wrench.
b. Make sure there is no residual air in tire before you remove
bolts that hold the two rim halves together.
c. Remove four bolts from rim using a #3 phillips screwdriver.
Separate two halves of rim.
d. Repair or replace inner tube.
e. Reassemble the caster wheel; make sure the bearing spacer
is in place and all four bolts are tightened to a torque of 60
in.-lbs. (6.8 N.m).
f.
Mount caster wheel onto fork. Install washers correctly tight-
en bolt to 240 in.-lbs. (27 N.m).
2. 14" Drive Wheels:
a. Elevate and securely support chair so that wheel is off the
ground. Release all air from tire.
b. Remove four (4) lug nuts (A)
from rim using a socket
wrench.
c. Make sure all air has been
removed from tire. Remove
the eight bolts inside the rim.
Separate two halves of rim (B).
d. Repair or replace inner tube.
Reassemble the wheel. Use a
torque setting of 120 in.-lbs.
(13.5 N.m) to re-tighten bolts.
e. Inflate tire to proper pressure level (listed on tire sidewall).
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.
Charge Batteries
Check tires for proper inflation level
Check batteries for proper electrolyte
level (wet only).
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
Service by authorized supplier
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