Yamaha JWX-1 Owner's Manual page 40

Also, move the safety wheels as shown in the
figure to ensure that they are locked in position
and that their parts are not loose.
The wheelchair may tip over if operated when the anti-tip device is removed or the safe-
ty wheels are not in the correct position. Do not operate the wheelchair when the safety
wheels are not in the correct position. Only have the safety wheels folded or facing up-
wards when going over bumps with the assistant operations and other such situations.
Continuing to use the wheelchair with a problem in the wheelchair body or the wheels
may cause sudden damage to the wheelchair while traveling, and may result in a rollover
or fall.
(2) Rear tire
Check to ensure that there is
tire depth.
Check the surface of the tire to
ensure that there are no cracks
in it.
Check to ensure that there is air
in the tire. (Check by pressing
the tire with your finger.)
If not enough, pump up to 450 kPa
for JWX-1 24" or 345 kPa for
JWX-1 16".
(3) Parking brakes
Check to make sure that the
parking brakes are applied.
Push the wheelchair with the
brakes applied on both wheels
to ensure that the tires do not
move.
Check the parking brakes to en-
sure that they do not wobble.
Safety wheel facing downwards
WARNING
Rear tire
Parking brake
(example)
Rear tire
3
35