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Item
Specification
Compatible Seat Cushions
16" wide, from 16” to 20” deep
Operating Conditions
-13 to 122 degrees F (-25 to 50 degrees C)
Storage Conditions
-40 to 149 degrees F (-40 to 65 degrees C)
Dimensional Information
The RESNA standard (Section 15) requires disclosure of specification information in the
format listed below.
Table 3. Model M Dimension
Item
Specification
Overall length
43” (1092mm) without feet
44.3” (1126mm) with feet
Overall width
23.7" (602mm)
Total mass (including batteries)
255 lb (115.7kg)
Pivot width
44.4” (1128mm) without feet
45.7” (1161mm) with feet
Required width of right angled
corridor
35” (889mm) without feet
36.3” (922mm) with feet
Seat plane angle
4 to 14 degrees (4 positions)
Effective seat depth
16” to 20" (406.4 to 508mm) (5
positions)
Effective seat width
16” (406.4mm)
Seat surface height at front edge
20.2” to 22.2" (513.1 to 563.9mm) (3
positions)
Back support angle
10 to 20 degrees (4 positions)
Back support height
20” (508mm)
Foot support to seat
8.6” to 16.9” (218 to 429mm) (5
positions)
Leg to seat surface angle
104 degrees
Arm support height
8.5” to 10.5” (215 to 265mm) (6
positions)
Front location of arm support
structure
10” (254mm)
Propelling wheel diameter and size
including width
Diameter: 12.6” (320mm)
Width: 2.25” (57.1mm)
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It is recommended that users take the Model M to a WHILL-authorized reseller or WHILL-
authorized service technician for an annual safety inspection of the device
including general wear and tear of seating and tires.
10
Transport Option
Determine if your wheelchair has the optional tie downs (securement points) installed. To
do this, look for the transportation symbol (Figure 27) on the back of the device, below the
seat (Figure 28).
Figure 27. RESNA WC-4 Section 19 transportation symbol
The symbol indicates that the wheelchair has been tested for transportability and is in
compliance with RESNA WC-4 Section 19, Wheelchairs used as seats in motor vehicles.
N026935.01F
320-00630-DHF.DO-01 User Manual Model M US rev 12internal print-paginated-side.pdf
Aug 15 2017 16:01:21