SECTION 8—SEAT
Part No 1127114
79
Compass™XE
and Allegro®
3. Remove
the
rear
wheels
from
the
wheelchair.
Refer
to
Removing/Installing
Rear
Wheels
on
page 101.
4. Unfold
the
wheelchair
and
lay
wheelchair
on
its
side.
If
necessary,
refer
to
Safety/
Handling
of
Wheelchairs
on
page 20.
5. Remove
the
two
hex
screws
and
two
coved
washers
that
secure
the
existing
seat
rails
to
the
crossbraces.
6. Install
the
new
or
reposition
the
existing
seat
rails
to
position
determined
in
STEP
1.
7. Secure
new/existing
seat
rails
to
the
crossbraces
with
existing
coved
washers
and
hex
screws.
8. Install
the
new
seat
upholstery.
Refer
to
Replacing
Seat
Upholstery
on
page 78.
9. Reposition
the
back
if
necessary.
Refer
to
Replacing
Standard
Back
Upholstery
on
page 63.
10. Reinstall
the
rear
wheels
onto
the
wheelchair.
Refer
to
Removing/
Installing
Rear
Wheels
on
page 101.
NOTE:
If
the
wheelchair
has
become
less
stable
after
repositioning
the
seat
rails
to
the
desired
seat
depth,
reposition
the
rear
wheels.
Refer
to
Adjusting
the
Wheelbase
Length
on
page 110.
FIGURE 8.2
Changing/Repositioning Seat
Rails
Repositioning the Crossbraces
NOTE:
For
this
procedure,
refer
to
FIGURE 8.3
on
page
80.
WARNING
The seat height, seat depth, back angle, seating system, size/position of the rear
wheels, size/position of the front casters, as well as the user condition directly relate
to the stability of the wheelchair. Any change to one or any combination of the nine
may cause the wheelchair to decrease in stability. These adjustments MUST be per-
formed by a qualified technician.
1. Determine
the
necessary
self
‐
tapping
screw
and
washer
position
for
the
desired
seat
depth
of
the
wheelchair.
Refer
to
Changing
Seat
Depth
on
page 86.
2. Remove
the
two
hex
screws,
two
locknuts
and
lower
crossbrace
saddles
that
secure
the
bottom
of
the
two
crossbraces
to
the
wheelchair
frame.
3. Loosen,
but
do
not
remove
the
hex
screws
and
locknuts
that
secure
the
two
pivot
links
to
the
wheelchair
frame
and
crossbraces.
4. Reposition
the
self
‐
tapping
screw
and
washer
to
the
position
determined
in
STEP
1.
5. Reverse
STEPS
2
‐
3
to
reassemble
wheelchair.
Seat Rail
Coved Washer
Crossbrace
Hex
Screw