19.
Locking/unlocking the castor wheel
1. Make sure that the castor wheel is facing outward.
2. To lock the castor wheel, the clipping must be pressed downwards.
3. To unlock the castor wheel, the clipping must be pulled upwards.
4. Do it for both wheels to lock/unlock it into position.
Pressed
clipping down
to lock
Pulled clipping
up to unlock
Wheel
Clipping