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Invacare Tracer IV Mobility Aid User Manual

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SECTION 8—FRONT CASTERS

Tracer

®

IV 40 Part No. 1110558

Adjusting Forks

1. Toproperlytightencasterjournalsystemandguardagainstflutter,performthe

followingcheck:

A. Tipbackofwheelchairtofloor.

B. Pivotbothforksandcasterstotopoftheirarcsimultaneously.

C. Letcastersdroptobottomofarc(wheelsshouldswingoncetoone‐side,then

IMMEDIATELYrestinastraightdownwardposition).

D. Adjustlocknutsaccordingtofreedomofcasterswing.

E. RepeatSTEPSC‐Duntilwheelsswingoncetoone‐side,thenIMMEDIATELYrest

inadownwardposition.

2. Testwheelchairformaneuverability.

3. Readjustlocknutsifnecessary,andrepeatSTEPS1‐2untilcorrect.

4. Snapdustcov eroverthelocknutandstem.

Replacing Front Casters

ƽ WARNING

Only 8-inch casters should be installed on the Tracer IV wheelchair. Otherwise, the

wheelchair may become unstable and injury or damage may occur.

For Heavy Duty Wheel Option (450 lb weight limit): 8 x 1¾ inch semi-pneumatic

front caster MUST be used.

Only a qualified technician may change the front caster mounting position or the

seat-to-floor height.

NOTE:Forthisprocedure,refertoFIGURE 8.2onpage41.

NOTE:Notethecastermountingpositionontheforkassemblyforproperinstallationofthenew

frontcaster.

1. Removethehexscrew,washersandlocknutthatsecurethefrontcastertothefork.

NOTE:Washersareonlyusedwith8‐inchcasters

withprecisionbearings.

2. Toreinstallthenewfrontcasterontothefork,reverseSTEP1.

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