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Fault
Possible Cause
Action
Tyre pressure in rear tyres is too low
Tyre is punctured
Correct tyre pressure or replace the tube inside
the tyre, →
Rolling resistance is very
high
Rear wheels not parallel
Ensure the rear wheels are parallel, → qualified
technician
Too little tension in castor bearing block
Tighten the nut on the bearing block axle slightly,
→ qualified technician
The castors wobble when
moving fast
Castor wheel has worn smooth
Change castor, → qualified technician
The castor is stiff or stuck
Bearings are dirty or faulty
Clean or replace the bearings, → qualified
technician
The backrest is very difficult
to unfold
Backrest cover is too tight
Loosen the hook-and-loop straps of the backrest
cover a little, →
1659269-C
41
Содержание KSL
Страница 46: ...Notes ...
Страница 47: ...Notes ...