SECTION 11—CASTERS
Nutron® Series
48
Part No.1106645
SECTION 11—CASTERS
WARNING
After ANY adjustments, repair or service and BEFORE use, make sure that all
attaching hardware is tightened securely - otherwise injury or damage may result.
Before performing any maintenance, adjustment or service verify that ON/OFF
switch on the joystick is in the OFF position.
CAUTION
As with any vehicle, the wheels, casters and tires should be checked periodically for
cracks and wear and should be replaced.
Adjusting Forks
NOTE:
For
this
procedure,
refer
to
FIGURE 11.1.
NOTE:
It
may
be
necessary
to
extend
the
telescoping
front
rigging
support
to
gain
access
to
the
caster
headtube
hardware.
Refer
to
Adjusting/Replacing
Telescoping
Front
Rigging
Support
on
page 35.
1. Remove
the
dust
cover
from
the
caster
headtube.
2. To
properly
tighten
caster
journal
system
and
guard
against
flutter,
perform
the
following
check:
A. Remove
battery
boxes
from
wheelchair.
Refer
to
Installing/Removing
the
Battery
Boxes
on
page 51.
B. Tip
back
the
wheelchair
to
floor.
C. Pivot
both
forks
and
casters
to
top
of
their
arc
simultaneously.
D. Let
casters
drop
to
bottom
of
arc
(wheels
should
swing
once
to
one
‐
side,
then
immediately
rest
in
a
straight
downward
position).
E. Adjust
locknuts
according
to
freedom
of
caster
swing.
3. Test
wheelchair
for
maneuverability.
4. Readjust
locknuts,
if
necessary,
and
repeat
STEPS
1
‐
3
until
correct.
5. Snap
dust
cover
into
the
caster
headtube.
FIGURE 11.1
Adjusting Forks
Dust Cover
Locknut
Nylon Washer
Caster Headtube
Fork
Caster
