Troubleshooting
FaultPossibleCauseAction
Incorrecttyrepressureinoneorbothrear
tyres
Correcttyrepressure,→11.2Tyres,page57
Theparkingbrakes
aregrippingpoorlyor
asymmetrically
ParkingbrakesettingincorrectCorrecttheparkingbrakesetting,→qualied
technician
Tyrepressureinreartyresistoolow
Tyreispunctured
Correcttyrepressureorreplacethetubeinside
thetyre,→11.2Tyres,page57
Rollingresistanceisvery
high
RearwheelsnotparallelEnsuretherearwheelsareparallel,→qualied
technician
ToolittletensionincastorbearingblockTightenthenutonthebearingblockaxleslightly,
→qualiedtechnician
Thecastorswobblewhen
movingfast
CastorwheelhaswornsmoothChangecastor,→qualiedtechnician
ThecastorisstifforstuckBearingsaredirtyorfaultyCleanorreplacethebearings,→qualied
technician
Thewheelchairisvery
difculttounfold
BackrestcoveristootightLoosenthehook-and-loopstrapsofthebackrest
coveralittle,→3.5Backrest,page14
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