Changing The Wheelbase - Otto Bock M1 Intro Instructions For Use Manual

Adjustment / Assembly Instructions
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6.2 Changing the Wheelbase (Fig�43/44)
Shiftingtherearwheelsbackwardslengthensthewheelbaseandthusprovidesforgreater
stabilityofthewheelchair.Attachingtherearwheelsinamoreforwardposition(onlyforad-
vancedwheelchairusers!)reducestheloadonthecasters,whichmakesthewheelchairmore
manoeuvrable.Thecasterwheelscanthenalsobeliftedmoreeasilytoclearobstaclessuch
ascurbsorsteps.
Start M1 Intro, M2 Effect, M3 Hemi and M6 Junior: Loosenthetwoscrewsoftherearwheel
adapter,turnitroundandmounttherearwheeladapterinthedesiredfront/backposition(Fig.
43/44).Thesettingmustalwaysbeequalonbothsides.
Start M4 XXL and M5 Comfort:Loosenthenutofthefittingontheinsideoftherearwheel
adapterandmountthefittinginthedesiredmoreforward/backwardposition(Fig.44).Theset-
tingmustalwaysbeequalonbothsides.
Thedistancebetweenrearwheelandsidepanelcanbecontinuouslyadjustedbyadjustingthe
counternutontheoutersideoftherearwheeladapter.
Whenchangingtheadjustmentsoriginallymadeinthefactory,twootherassembliesofthe
wheelchairmustbereadjusted,refertoSections6.4and6.5.
CAUTIOn
Risk of tipping. Pleasenote:Iftherearwheelsareinamoreforwardpositionandtheuser'sbodyis
notappropriatelypositioned,theusermaytipbackward–evenonlevelground!
CAUTIOn
Risk of tipping. Foruntrainedwheelchairusersandwhenthereareextremeadjustmentstotherear
wheel,ananti-tipperisstronglyrecommended.
CAUTIOn
Risk of tipping. Fortransfemoralamputeesitisessentialtoshifttherearwheelsbackwards!
InfORMATIOn
Makesuretofirmlyretightenallscrewsandnutsaftermakingadjustments.Thepropertorqueforthe
screwconnectionAoftherearwheeladapteris10 nmandforthescrewconnectionBofthefitting
50 nm(seeFig.39/40).
66 | Ottobock
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M1 Intro · M2 Effect · M3 Hemi · M4 XXL · M5 Comfort · M6 Junior · Asia
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