Kuschall K-SERIES User Manual

 K-Series Troubleshooting
39
9.1 Identifying and repairing faults
Fault Possible cause Action
The wheelchair does not travel
in a straight line
Incorrect tyre pressure on one rear wheel
Correct tyre pressure (Section 3 - Technical data)
One or more spokes broken
Replace faulty spoke(s) (specialist dealer)
Spokes tightened unevenly
Tighten loose spokes (specialist dealer)
Front wheel bearings are dirty or damaged
Clean or replace the bearings (specialist dealer)
The wheelchair tips backwards
too easily
Rear wheels are mounted too far forwards
Mount the rear wheels further back (specialist dealer)
Back angle too large
Reduce the backrest angle (specialist dealer)
Seat angle too large
Use longer vertical struts (specialist dealer)
The brakes are gripping poorly
or asymmetrically
Incorrect tyre pressure in one or both rear tyres
Correct the tyre pressure (Section 3 – Technical data)
Brake setting incorrect
Correct the brake setting (specialist dealer)
Rolling resistance is very high Tyre pressure in rear tyres is too low
Correct tyre pressure (Section 3 - Technical data)
Rear wheels not parallel
Ensure the rear wheels are parallel (specialist dealer)
The front wheels wobble
when moving fast
Too little tension in front wheel bearing block Tighten the nut on the bearing block axle slightly
(specialist dealer)
Front wheel has worn smooth
Change front wheel (specialist dealer)
The front wheel is stiff or stuck Bearings are dirty or faulty
Clean or replace the bearings (specialist dealer)

Kuschall K-SERIES Specifications

General

Weight Capacity	130 kg
Foldable	Yes
Type	Active Wheelchair
Wheel Size	24 inches
Frame Material	Aluminum
Front Casters	5 inches
Seat Width	360 - 510 mm (14 - 20")