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Invacare 1073955 Mobility Aid User Manual

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SECTION 8—FRONT CASTERS

Orbit

™

60 Part No. 1073955

Adjusting Caster Headtubes

NOTE:Forthisprocedure,refertoFIGURE 8.3.

NOTE:Casterheadtubesthatareperpendiculartothefloorwillrollbetter,trackstraighterand

minimizeanyʺ3‐wheelingʺofthewheelchair.

1. Makesurethewheelchairisonaflatsurface.

2. Loosen,butdonotremovethetopmountingscrewandlocknut,whichholdsthe

adjustmentcaminplace,andsecuresthecasterheadtubetotheheadtubemounting

plate.

3. PositionalargerighttriangleorʺLʺsquareontheflatsurfaceandagainstthecaster

headtube.

4. Movethecasterheadtubebackandforthuntilthecasterheadtubeisperpendicularto

theground/floor.

5. Whileholdingthecasterheadtubeperpendiculartotheground/floor,securelytighten

thetopmountingscrewsecuringtheadjustmentcaminplacetotheheadtube

mountingplate.

6. Makesurethecasterheadtubeisstillperpendiculartotheground/floorbyplacingthe

largerighttriangleorʺLʺsquareontheflatsurfaceandagainstthecasterheadtube.

7. Securelytightenthebottommountingscrewandlocknutthatsecurethecaster

headtubetotheheadtubemountingplate.

FIGURE 8.3 Adjusting Caster Headtubes

"L" Square

Caster Headtube

Caster/Fork

Adjustment Cam

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