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V. SET UP & USE OF YOUR WHEELCHAIR
Y. Wheel Locks
Catalyst wheelchairs are shipped with one of several different types of wheel locks pre-
installed.
•
Push to Lock
•
Pull to Lock
•
Push to Lock (Flush Mount)
•
Short Thro Scissor
The clamp assembly works the same for all wheel locks.
a. Using a 5mm Allen wrench, turn one of the screws
in the clamp until loosened (less than one turn).
b. Repeat the same process with the second of the
two screws so the clamp can be adjusted on the
frame.
c. Adjust the clamp toward the rear wheel so, when
engaged, the wheel lock compresses the tire and
prevents any wheel movement (Fig. 40).
d. Make sure wheel lock arms embed in tires at least
1/8 inch when locked. If you fail to do so, the locks
may not work (Fig. 41).
e. Retighten the screws.
Wheel lock clamps require a torque setting of 100
in./lbs.
Rear wheel locks are NOT designed to slow or stop a
moving wheelchair. Use them only to keep the rear
wheels from rolling when your chair is at a complete
stop.
•
NEVER use rear wheel locks to try to slow or stop
your chair when it is moving. Doing so may cause you to veer out of control.
•
To keep the rear wheels from rolling, always set both rear wheel locks when you transfer to
or from your chair.
•
Low pressure in a rear tire may cause the wheel lock on that side to slip and may allow the
wheel to turn when you do not expect it.
•
Make sure lock arms embed in tires at least 1/8 inch when locked. If you fail to do so, the
locks may not work.
DANGER: Failure to read or comply with these instructions may result in a fall or loss of control
causing severe injury to the user or others.
Fig. 40
38
Fig. 41
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