Compass Power Mount Hardware Operation Manual
4
Permobil
with Corpus
3G Seating
System
Quickie
with 3.7 Power Recline
Seating System
Quantum
with Tru-Balance
3
Seating System
Rovi
with Motion Concepts
Seating System
POWER BASES
AVAILABLE
M400 Corpus
QM-710
™
SC
Q6 Edge
Note: A Recessed Planar
Interface Plate must
be installed on the
wheelchair.
M300 Corpus
QM-710 MPC
Q6 Edge
X
C350 Corpus
QM-715
™
HD MPC
Rival
F3 / M3 Corpus
QM-720
™
MPD
X3
F5 / M5 Corpus
PULSE
™
6 SC
PULSE 6 MPC
POWER
MOUNT
HEIGHT
GUIDE
Quantum
without recline
Quantum
with recline
Recommended
CC Back Support Length
Recommended
CC Back Support Length
BACK HEIGHT
30”
(76.2
cm
)
BACK GAP = 7”
22 L
ADJUSTMENT = -3”, +5”
28”
(71.2
cm
)
20 L
26”
(66.0
cm
)
BACK GAP = 3”
22 L
ADJUSTMENT = -3”, +5”
18 L
24”
(60.9
cm
)
20 L
16 L
22”
(55.9
cm
)
18 L
14 L
20”
(50.8
cm
)
16 L
12 L
18”
(45.7
cm
)
14 L
16”
(40.6
cm
)
12 L
POWER
MOUNT
HEIGHT
GUIDE
Permobil
Quickie
Recommended
CC Back Support Length
Recommended
CC Back Support Length
BACK HEIGHT
30”
(76.2
cm
)
BACK GAP = 7”
22 L
ADJUSTMENT = -2”, +6”
28”
(71.2
cm
)
BACK GAP = 6”
22 L
ADJUSTMENT = -4”, +4”
20 L
26”
(66.0
cm
)
20 L
18 L
24”
(60.9
cm
)
18 L
16 L
22”
(55.9
cm
)
16 L
14 L
20”
(50.8
cm
)
14 L
12 L
18”
(45.7
cm
)
12 L
16”
(40.6
cm
)
BACK HEIGHT = Overall dimension from the seat base to the top
edge of the back support.
BACK GAP = Manufacturer recommended dimension from the seat
base to the bottom edge of the back support. Recommended gap
is identical for all back supports.
ADJUSTMENT = Available height adjustment range after
recommended back gap. (½” increments)
Seat Base
Back Gap
CC Back Support Length
Back Height
ACTA-BACK and ACTA-EMBRACE Models
Back Gap
CC Back Support Length
Back Height
Seat Base
ACTA-Relief
Models
*Rovi suggested back gap is 4” (10.2cm) for tilt systems and 6”
(15.2cm) for recline systems. Recommended CC Back Support Length
and Adjustment information depends on where the holes are drilled in
the Recessed Planar Interface Plate during installation.
Each wheelchair manufacturer has a suggested “back gap” for setting the height of the back support on the
wheelchair. This allows for the power wheelchair components to articulate as intended. Please see the height
guide charts below*.
Note: This section does not apply to the Tru-Shape, for which the back height is measured instead of the “back gap” .
Compatibility and Height
Compass Power Mount Hardware is compatible with the wheelchairs listed below, using only the seating
systems specified. The power bases listed are a reference for what is available with the compatible seating
systems.
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