KD PL 001 – B Maintenance Manual - page 9
Ⅳ.Troubleshooting and Solutions
8
Faulty Folding Mechanism, Armrest and Wheels
Problem
Solution
Defective backrest folding arm joint
Follow below; unscrew the folding arm and
replace with a new one by securely
retightening the screws back on
Main frame fails to fold
Inspect and remove possible jammed objects
within or on the frame’s folding joints
Front caster wheels malfunction
Inspect wheel nuts to ensure that they are not
loosened or that the wheel bearing is not
damaged. Securely retighten loose nuts or
replace the wheel bearing
Loosened rotating armrest
Follow below; dismantle backrest folding arm
and then remove the arm rest. Securely
retighten the loosened screws. Reinstall the
armrest assembly
Anti-Tipping wheels cannot be retracted
Adjust locking screw to the appropriate
position