Identifying And Repairing Faults - Küschall THEKSL Manual Del Usuario

The KSL

9.2 Identifying and repairing faults

Fault
The wheelchair does not
travel in a straight line
The wheelchair tips
backwards too easily
Removable axles cannot be
inserted correctly
The brakes are gripping
poorly or asymmetrically
Rolling resistance is very high
The castors wobble when
moving fast
The castor is stiff or stuck
32
Possible cause
Incorrect tire pressure on one rear wheel
One or more spokes broken
Spokes tightened unevenly
Front wheel bearings are dirty or damaged
Frame geometry does not meet specifications
Back angle too large
Removable axles dirty
Removable axles misaligned
Incorrect tire pressure in one or both rear tires
Brake setting incorrect
Tire pressure in rear tires is too low
Too little tension in castor bearing block
Castor has worn smooth
Bearings are dirty or faulty
Action
Correct tire pressure, ® 3.7 Tires, page 14
Replace faulty spoke(s), ® specialist dealer
Tighten loose spokes, ® specialist dealer
Clean or replace the bearings, ® specialist dealer
Mount the rear wheels further back, ® specialist dealer
Replace backrest with smaller back angle,
® specialist dealer
Clean removable axles
Adjust removable axles, ® specialist dealer
Correct tire pressure, ® 3.7 Tires, page 14
Correct the brake setting, ® specialist dealer
Correct tire pressure, ® 3.7 Tires, page 14
Tighten the nut on the bearing block axle slightly,
® specialist dealer
Change castor, ® specialist dealer
Clean or replace the bearings, ® specialist dealer
1583553-A