SECTION 9—ANTI-TIPPERS/WHEEL LOCKS
Tracer® EX2
36
Part No. 1110546
FIGURE 9.4
Using Patient Operated Wheel Locks
Adjusting Patient Operated Wheel Locks
NOTE:
For
this
procedure,
refer
to
FIGURE 9.5.
WARNING
DO NOT attempt to stop a moving wheelchair with the wheel locks. Wheel locks are not brakes.
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.
Disengage
the
wheel
locks.
2.
Loosen
the
bolt
and
locknut
that
secure
the
wheel
lock
to
the
wheelchair
frame.
3.
Reposition
the
wheel
lock
so
that
when
engaged,
the
wheel
lock
shoe
embeds
the
tire
1
1
/
8
inch
(
inch
for
pneumatic
tires)
and
holds
the
occupied
wheelchair
in
place
when
pushed.
4.
Securely
tighten
the
bolt
and
locknut
attaching
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
if
pneumatic
tire)
into
the
tire
when
engaged.
7.
Repeat
STEPS
1
‐
6
until
the
wheel
lock
shoe
embeds
the
tire
1
/
8
inch
(
3
/
16
inch
for
other
tires)
and
holds
the
wheelchair
in
place
when
pushed.
8.
Repeat
STEPS
1
‐
7
for
the
opposite
wheel
lock.
9.
If
the
measurement
of
1
/
8
inch
(
3
/
16
inch
for
other
tires)
can
not
be
achieved,
remove
the
bolt
and
locknut
that
secure
the
wheel
lock
to
the
wheelchair
frame
and
mount
the
wheel
lock
in
the
remaining
mounting
position.
10. Repeat
STEPS
1
‐
8.
11. Engage
both
wheel
locks
and
ensure
the
occupied
wheelchair
is
held
in
place
when
pushed.
WARNING
If wheel locks do not hold the occupied wheelchair in place, contact a qualified technician;
otherwise injury or damage may occur.
FIGURE 9.5
Adjusting Patient Operated Wheel Locks
Push-To-Lock
Pull-To-Lock
Unlocked Position
Wheel Lock
Push wheel lock handle forward away
from the tire to engage wheel lock
Pull wheel lock handle backward
toward the tire to engage wheel lock
Unlocked
Position
Wheel Lock
1/8-inch (3/16-inch
pneumatic tires)
Wheel Lock
Shoe
Tire
Wheel Lock
Handle
Rear Wheel
Wheel Lock Shoe
Wheel Lock
Bolt and Locknut
Mounting
Positions
DETAIL “A”