VR2 CONTROL SYSTEM
SK77898/2
PG DRIVES TECHNOLOGY
120
directions, ensuring the drive is comfortable and easy to control for the user.
Repeat the above but with the speed control set to maximum.
4.4 Gradient Test
Before carrying out this test ensure another person is present
to prevent the wheelchair from tipping backwards.
Drive the wheelchair forwards up its maximum rated gradient. While on the gradient
release the joystick and ensure the wheelchair comes to rest and the brakes are
applied without the front wheels lifting of the ground.
Deflect the joystick forwards and continue driving up the slope. Ensure the pick up is
smooth and positive.
Stop the wheelchair and reverse down the gradient. While on the gradient release the
joystick and ensure the wheelchair comes to rest and the brakes are applied without
the front wheels lifting of the ground.