Identifying And Solving Breakdowns - Aria 1.0 Mg Manuel D'utilisation

9.2 IDENTIFYING AND SOLVING BREAKDOWNS

BREAkDOwn
The wheelchair does not
move forward in a straight
line
The wheelchair tips
backwards easily
Brakes intervene incorrectly
or asymmetrically
Resistance to movement is
very high
Front wheels swerve when
movement speed is high
Front wheel steers with
difficulty or is blocked
POSSIBLE CAUSE
The pressure of one of the
rear wheels is incorrect
One or more spokes are
broken
Spoke tensions are different
The front wheel bearing is
dirty or damaged
Rear wheels have been
assembled too forward
Excessive inclination of the
backrest
Tyre pressure of one or both
rear wheels is incorrect
Brake adjustment is incorrect
Tyre pressure of the rear
wheels is insufficient
Rear wheels aren't parallel
Traction of the front wheel
bearing block is insufficient
The front wheel is smooth
The ball bearing is dirty or
defected
SOLUTIOn
Adjust the tyre pressure,
>11.3 Tyres,
Replace the broken
spoke(s),> Specialized dealer
Get the tension of the
loose spokes adjusted,>
Specialized dealer
Clean or replace the
bearing,> Specialized dealer
Adjust barycentre,
> Specialized dealer
Reduce inclination of the
backrest, > Specialized
dealer
Adjust tyre pressure,
>11.3 Tyres,
Correct brake adjustment,
> Specialized dealer
Adjust tyre pressure,
>11.3 Tyres,
Check that rear wheels are
parallel, > Specialized dealer
Slightly block the bolt on the
bearing block axle,
> Specialized dealer
Replace the front wheel,
> Specialized dealer
Clean or replace the ball
bearing, > Specialized dealer
71 ENG