SECTION 9—ANTI-TIPPERS/WHEEL LOCKS
45
FIGURE 9.3
Using Patient Operated Wheel Locks
Adjusting Patient Operated Wheel Locks
WARNING
DO NOT attempt to stop a moving wheelchair with the wheel locks. Wheel locks
are not brakes.
NOTE:
For
this
procedure,
refer
to
NOTE:
If
wheels
are
pneumatic,
before
adjusting
the
wheel
lock
assemblies,
ensure
that
the
tires
are
inflated
to
the
recommended
psi
on
the
side
wall
of
tire.
1. Ensure
the
wheel
lock
is
in
the
open
(unlocked)
position.
2. Loosen
the
bolt
and
locknut
that
secure
the
wheel
lock
assembly
to
the
wheelchair
frame.
3. Reposition
the
wheel
lock
so
that
when
engaged,
the
wheel
lock
shoe
embeds
the
tire
1/8
‐
inch
(3/16
‐
inch
for
pneumatic
tires)
and
holds
the
wheelchair.
4. Securely
tighten
the
bolt
and
locknut
securing
the
wheel
lock
to
the
wheelchair
frame.
5. Engage
the
wheel
lock.
6. Measure
the
distance
the
wheel
lock
is
embedded
into
the
tire
as
shown
in
Detail
ʺ
A
ʺ
.
NOTE:
Any
wheel
lock
adjustment
should
embed
the
wheel
lock
shoe
at
least
1/8
‐
inch
(3/16
‐
inch
for
pneumatic
tires)
into
the
tire
when
engaged.
Wheel Lock
Push-To-Lock
Pull-To-Lock
Unlocked
Position
Locked Position
Wheel
Lock
Push wheel lock handle away from
the tire to engage wheel lock
Pull wheel lock handle
toward the tire to
disengage wheel lock
Pull wheel lock handle toward the
tire to engage wheel lock
Push wheel lock handle away from
the tire to disengage wheel lock
Unlocked
Position
Wheel Lock
Wheel Lock
Locked Position