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Metro Power III Owner’s Manual GF0600059RevB06, November 2006
29
VIII MAINTENANCE
We urge you to protect your power drive wheelchair investment by keeping your Metro Power III in
top condition. Periodic inspection, adjustment, and replacement of worn parts will provide years of
superb performance. When a component or part does not function properly, a potentially hazardous
condition can result. Only excellent condition is acceptable where safety is concerned.
Note: We recommend that you have a qualified Graham-Field dealer perform the 6 month mainte-
nance checks, because some special tools are required. Because the dealer has years of experience
and training with power wheelchairs, the dealer may find and correct a problem that might
otherwise go undetected and eventually cause more serious problems.
DO-IT-YOURSELF MAINTENANCE
You can do many of the scheduled maintenance tasks yourself, if you have mechanical ability and
a few basic tools. Refer to the maintenance schedule below for the recommended regularity of each
procedure. If any maintenance procedure is not clear to you, ask your Graham-Field dealer for as-
sistance.
MAINTENANCE SCHEDULE
Procedure Perform at least every
day week month 3 months 6 months
Charge batteries 4
Check joystick 4
Check cables & connections 4
Check tire condition 4
Check integral controller & park brakes 4
Check wheel lock engagement 4
Clean/check upholstery 4
Clean batteries 4
Clean wheelchair 4
Check caster forks 4
Clean battery terminals 4
Inspect motor brushes 4
Check bearings 4
Warning: Improper maintenance can cause operating problems and may affect your
warranty coverage.
Warning: The use of non-Graham-Field replacement parts could create a hazardous
condition, which could result in serious injury.