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SECTION 10—TOP SHROUD AND WHEELS
Part No 1125085 59 Pronto® M51™and M61™with SureStep®
Adjusting Forks
NOTE:Forthisprocedure,refertoFIGURE 10.4.
1. Removethedustcover.
2. Toproperlytightencasterjournalsystemandguardagainstflutter,performthe
followingcheck:
A. Tipbackthewheelchair.
B. Pivotbothforksandcasterstotopoftheirarcsimultaneously.
C. Letcastersdroptobottomofarc(wheelsshouldswingoncetoone‐side,then
immediatelyrestinastraightdownwardposition).
D. Adjustlocknutaccordingtofreedomofcasterswing.
3. Testwheelchairformaneuverability.
4. Readjustlocknutifnecessary,andrepeatSTEPS2‐3untilcorrect.
5. Snapdustcov erintothecasterheadtubeensuringthatthetabsareundertheplastic
sideshrouds.
NOTE:Componentsexplodedforclarity.Thereisnoneedtoremovetheforkfromthebaseframe.
FIGURE 10.4 Adjusting Forks
Base Frame
Tabs
Locknut
Dust Cover
Washer
Caster
Headtube
Fork
Side Shroud
Washer