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3.CAUTION– To prevent tire damage:

•Use a hand pump (or a low volume air pump) to inflate tires.

•Use a tire gauge to check pressure.

F.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.

1. 8" Caster Wheels:

a. Release all air from tire.

b. Remove caster wheel from fork.

c. Make sure there is no residual air in tire before you remove bolts that hold the two rim halves together.

d. Remove four bolts from rim. Separate two halves of rim.

e. Repair or replace inner tube.

f. Reassemble the caster wheel; make sure the bearing spacer is in place and all four bolts are secure.

NOTE– Use a torque setting of 240 inch-pounds when tightening bolts.

g. Mount caster wheel onto fork. Install washers correctly.

h. Inflate tire to proper pressure level.

2.12" Drive Wheels:

a.Elevate and securely support chair so that wheel is off the ground. Release all air from tire.

b.Remove plastic dome plug.

c.Remove lock nut and tab washer.

d.Remove wheel.

e.Repair or replace inner tube.

f.Install wheel on chair by replacing center tab washer and lock nut. Use a torque setting of 420 in/lbs. to re-tighten nut. Bend washer tabs up to secure nut and install plastic dome plug.

g.Inflate tire to proper pressure level (listed on tire sidewall).

X I I . M a i n t e n a n c e 47

G. MOTOR BRUSHES

Check the motor brushes every four (4) months for wear. The brushes should be clean and shiny. Replace worn or blackened brushes.

H. 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.

I. 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 per- formance, extend wheelchair life, and help prevent injuries.

 

Daily

eekly Monthly

Quarterly Annually

 

 

W

 

CHECK...

 

 

 

 

 

 

 

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

 

 

Remove and inspect motor brushes

 

 

Servicing by authorized Supplier

 

 

930578 Rev. B

930578 Rev. B

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Image 24
Sunrise Medical Z-500 I . M a i n t e n a n c e, To Repair or Replace a Tire, Motor Brushes, Ordering Parts