Etac Sting Manual page 30

Problem*
The wheelchair pulls to the side
The wheelchair feels "heavy" to propel
The wheelchair feels "heavy" to turn
Brakes not effective
Rear wheels "loose"
Rear wheels hard to remove/replace
The castors "wobble"
The wheelchair feels "awkward"
(!) When necessary, lubricate moving parts/joints with bicycle oil or similar.
* The user may experience several of these problems if the wheelchair is incorrectly adjusted or is being incorrectly used.
11 Care and maintenance
Fault-finding chart
- Inflate the tyres
-Adjust the angle of the front fork attachment
- 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
propelling the chair
- Inflate the tyres
- Rear wheel mountings are incorrectly fitted
- Clean the castor axles from hair and dirt
- Too much weight over the castors. Adjust the centre of balance
- Inflate the tyres
- Check that the front forks are not too tight
-Adjust the angle of the front fork attachment
- Clean the castor axles from hair and dirt
- Too 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
- The front forks are not tight enough
- Check that the front fork attachments are mounted at the same height
-Adjust the angle of the front fork attachment
- Too much weight over the castors. Adjust the centre of balance
- Inflate the tyres
- Check that screws, nuts and bolts are properly tightened
30
Solution