Support User Manuals

Invacare Pronto M51 Base Mobility Aid User Manual

Open as PDF

of 72

SECTION 8—TOP SHROUD AND WHEELS

Pronto

®

M51

™

Base with SureStep

®

50 Part No. 1148076

Replacing Front/Rear Caster Assemblies

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

NOTE:Frontandrearcasterassembliesare

replacedinthesamemanner.

NOTE:Whenreplacingthefront/rearcaster

assemblies,itisnecessarytobracethecaster

assembliestopreventthewheelfromspinning.

1. Removethemountingscrew,two

washers,andlocknutthatsecuresthe

castertothefork.

2. Removethecasteranddiscard.

3. Securenewcastertoforkwithexisting

mountingscrew,twowashersand

locknut(FIGURE 8.3).Securelytighten.

FIGURE 8.3 Replacing Front/Rear Caster

Assemblies

Adjusting Forks

NOTE:Forthisprocedure,refertoFIGURE 8.4.

1. Removethedustcover.

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

followingcheck:

A. Tipbackthewheelchair.

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locknutaccordingto

freedomofcasterswing.

3. Testwheelchairformaneuverability.

4. Readjustlocknutifnecessary,and

repeatSTEPS2‐3untilcorrect.

5. Snapdustcov erintothecaster

headtubeensuringthatthetabsare

undertheplasticsideshrouds.

NOTE:Componentsexplodedforclarity.There

isnoneedtoremovetheforkfromthebase

frame.

FIGURE 8.4 Adjusting Forks

Mounting

Screw

Caster

Locknut

Washer

Washer

Base Frame

Tabs

Locknut

Dust Cover

Washer

Caster

Headtube

Fork

Side

Shroud

Washer

previous next