Etac Twin User Manual page 21

Problem*
Wheelchair will not hod
a straight course
Wheelchair feels "heavy" to propel
Wheelchair feels "heavy" to turn
Brakes not effective
Rear wheel "loose"
Rear wheel hard to remove/
replace
Castor "wobbles"
Wheelchair is hard to fold/unfold
Wheelchair feels "awkward"
* The user may experience several of these problems in a wheelchair that is incorrectly adjusted or is being incorrectly used.
(!) If necessary, lubricate moving parts/joints with cycle oil or similar.
TORUBLECHOOTING CHART
- Inflate the tyres
- Check the front fork attachments angle
- Check that the front fork attachments are mounted at the same
height
- Rear wheel mountings are incorrectly fitted
- The user is distributing weight unevenly
- More strength being used on one side than the other when
propellning the chair
- Inflate the tyres
- Rear wheel mountings are incorrectly fitted
- Ensure that the castor axles are free from dirt etc.
- To much weight over the castors. Adjust the centre of balance
- Inflate the tyres
- Check that the front fork attachments are not to tightly fastened
- Adjust the angle of the front fork attachments
- Ensure that the castor axles are free from dirt etc.
- To much weight over the castors. Adjust the centre
of balance
- Inflate the tyres
- Adjust the distance between brake and tyre
- Ensure that the axle-shaft washer is in place
- Adjust the length of the axle shaft
- Clean and lubricate quick release with cycle oil or similar.
- Adjust the length of the axle shaft
- Front forks are not tightly fitted
- Check that the front fork attachments are mounted at
the same height
- Adjust the angle of the front fork attachment
- To much weight over the castors. Adjust the centre of balance
- Upholstery is to tight
- Clean and lubricate the Cross-brace under the seat
- Inflate the tyres
- Check that all screws, nuts and bolts are properly fastened
Solution
21