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User Manual
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WHILL M User Manual

USER MANUAL
MODEL M
Table of Contents!
1! Introduction .......................................................................................................................... 3!
! Welcome ........................................................................................................................ 3!
! Manual Overview ........................................................................................................... 3!
! Notations ........................................................................................................................ 3!
! Document Guidelines ..................................................................................................... 4!
! Illustrations............................................................................................................... 4!
! Product Specifications ............................................................................................. 4!
! Errors and Omissions .............................................................................................. 4!
! Intended Use .................................................................................................................. 4!
2! Safety ................................................................................................................................... 5!
! Warnings ........................................................................................................................ 5!
! Cautions ....................................................................................................................... 10!
3! Product ............................................................................................................................... 11!
! Model M Components .................................................................................................. 11!
! Arm and Seat Positions ................................................................................................ 12!
! Cushions ...................................................................................................................... 13!
! Specifications ............................................................................................................... 13!
! Dimensional Information .............................................................................................. 14!
! Test Information ........................................................................................................... 15!
4! Operation ........................................................................................................................... 16!
! Safety Check ................................................................................................................ 16!
! Transfers into and out of the chair ............................................................................... 17!
! Lap Belt ........................................................................................................................ 20!
! Power Switch ............................................................................................................... 21!
! Turning the Model M On ........................................................................................ 21!
! Turning the Model M off ......................................................................................... 22!
! Checking the Battery Charge Level ............................................................................. 22!
! Lights showing full battery charge ......................................................................... 22!
! Lights showing intermediate charge level .............................................................. 23!
! Low battery indication ............................................................................................ 23!
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! Speed Control .............................................................................................................. 24!
! Speed Setting ........................................................................................................ 24!
! Speed control through the directional controller .................................................... 25!
! Directional Controller .................................................................................................... 25!
! Safety Check when Starting to Move ........................................................................... 27!
! Driving Conditions ........................................................................................................ 28!
! Stopping and Parking ................................................................................................ 31!
! Sitting at a Table or Desk .......................................................................................... 31!
5! Brake Release Levers ........................................................................................................ 32!
! How to release the electromagnetic brakes ................................................................. 33!
! How to engage the electromagnetic brake(s) .............................................................. 34!
6! Battery and Charging ......................................................................................................... 35!
! Charger specifications for WHILL Model M .................................................................. 36!
! Charging the battery ..................................................................................................... 38!
! Battery service or replacement .................................................................................... 40!
7! Electromagnetic Interference (EMI) ................................................................................... 40!
! EMI Sources ................................................................................................................. 41!
! EMI Guidance Tables ................................................................................................... 41!
8! Troubleshooting ................................................................................................................. 46!
9! Maintenance ....................................................................................................................... 46!
10! Transport Option .............................................................................................................. 47!
! Using the Transport Option ....................................................................................... 49!
! Proper Occupant Restraint ....................................................................................... 52!
! Clear Zones .............................................................................................................. 54!
11! Symbols ........................................................................................................................... 56!
12! Warranty .......................................................................................................................... 59!
13! Customer Support ........................................................................................................... 60!
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12 Warranty
WHILL, Inc. (WHILL) personal mobility and wheelchair products (“Product”) are warrantied against defects in materials and workmanship as follows, for a period from the date of your receipt of the Product from WHILL or a WHILL-authorized third-party distributor or reseller equal to the following: (i) with respect to the base and seat frame, five (5) years, and (ii) with respect to the seat and back cushion, two (2) years, and (iii) with respect to the electrical and mechanical components, one (1) years, and (iiii) with respect to the batteries and tires, six (6) months (“Warranty Period”) in each case when used in accordance with the applicable usage documentation. If a defect arises during the Warranty Period, WHILL will, at its option: (a) provide replacement parts that are new and/or previously used parts that are equivalent to new in performance and reliability to the defective parts or, with your consent, are at least functionally equivalent to the parts they replace; or (b) exchange the affected Product with a functionally equivalent Product that is new or formed from new and/or previously used parts that are equivalent to in performance and reliability or, with your consent, a Product that is at least functionally equivalent to the Product it replaces.
This warranty excludes: (i) normal depletion of consumable and/or wearable parts (such as trim components and covers for the seat and back cushion) unless failure has occurred due to a defect in materials or workmanship; and (ii) damage resulting from abuse, accident, modifications, unauthorized repairs, or other causes that are not defects in materials and workmanship.
Further this warranty does not cover any labor costs that may be incurred in connection with installation or repair of your Product. The Product is sold primarily through third-party distributors and/or resellers, which provide warranty repair services to WHILL customers, who may or may not charge fees for their repair labor under separate terms and conditions. In the event the distributor or reseller is no longer in business or has ceased to sell WHILL products, WHILL will provide a list of authorized repair companies. Please contact WHILL to obtain a current list of authorized repair companies.
This warranty is valid solely for customers who purchased their Product directly from WHILL or a WHILL-authorized third-party distributor or reseller in the United States and Puerto Rico.
Some states and countries do not allow limitations on how long such warranties, conditions, and/or implied terms may last, so the limitation described above may not apply to you. This warranty is offered in addition to rights and remedies conveyed by consumer protection laws and regulations that cannot be statutorily waived, and does not affect your applicable statutory rights.
No person other than WHILL is authorized to modify this limited product warranty.
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1 Introduction
Welcome
Welcome to your new WHILL device! The Model M has amazing features that we hope will positively change the way you live your daily life.
The following items are provided to you:
• WHILL Model M powered wheelchair
• WHILL mobility device charger (High Power off-board battery charger)
• User Manual (printed or digital copy of this manual)
CAUTION
CAUTION: Federal (USA) law restricts this device to sale by or on the order of a physician.
Manual Overview
This User Manual provides relevant guidelines for the WHILL Model M on how to safely use important features of the device, such as the speed and directional controllers. It also provides basic service, troubleshooting, and maintenance information.
The manual may also be used by dealers, resellers, sales people, and others who wish to understand important features of the device in more detail.
At WHILL, we care about your safety and experience with our products. Please carefully read and follow all the instructions in this manual.
Notations
WARNING
Indicates a hazardous situation that, if not avoided, could result in death or serious injury.
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CAUTION
Indicates a hazardous situation that, if not avoided, may result in property damage, minor injury, or both.
INFORMATION
Gives useful tips, recommendations and information for efficient, trouble-free use.
Document Guidelines
INFORMATION
THE INFORMATION CONTAINED IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE.
Illustrations
The illustrations provided in this manual are for demonstration and conceptual visualization purposes only. Your actual product might vary from the illustrations in the following ways:
• The directional controller (joystick) may be on either the left or right arm.
• There are different shapes for the directional controller.
Product Specifications
All specifications and descriptions contained in this manual are verified to be accurate at the time of printing.
Errors and Omissions
Please send an email to: support@whill.us if you notice any inaccuracies or omissions in this manual.
Intended Use
The intended use of the WHILL powered wheelchair is to provide indoor and outdoor mobility to persons limited to a seated position that are capable of operating a powered wheelchair.
The chair supports a maximum weight of 220 lbs.
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Caution. Indicates the need for the user to consult the instructions for use for important cautionary information such as warnings and precautions not presented on the medical device itself.
Consult Instructions for Use
CAUTION: Federal (USA) law restricts this device to sale by or on the order of a physician.
Dispose of this equipment according to local regulations for electrical and electronic waste disposal
Brake release is locked Brake release is unlocked
Indoor use only
IEC 61140 Class II electrical appliance. The product is double insulated and does not require a safety connection to electrical earth.
Temperature limits within which the shipping package shall be stored and handled
Humidity limits within which the transport package shall be stored and handled
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2 Safety
Warnings
WARNING
Model M operation
• Do not operate the Model M without first reading this user manual. Please pay close attention to all safety information and warnings. Contact customer support if you need any clarification on sections that are unclear. Failure to read and understand how to properly operate the Model M may result in damage and/or injury.
• The weight capacity of the Model M is 220 lbs. To avoid injury or Model M failure, do not exceed this weight.
• Do not operate the Model M if the battery is depleted as you could be stranded.
• Do not use the device if there are broken components as you could be injured by
sharp edges or exposure to moving parts.
• Do not operate the Model M on any streets, roads, or highways. Operating the Model M on streets, roads, or highways may expose you to situations that may result in severe damage and/or injury. Before crossing the street, make sure that any and all drivers see you.
• Do not use the Model M if it has been exposed to excessive water, is damaged in any way, or requires service. Contact WHILL or reseller for service.
• To prevent injury and/or damage, do not use the Model M in heavy snow or icy conditions. The Model M is not designed for use in these types of conditions.
• Do not drive the Model M through water deeper than 1”. Doing so may damage the components and make the Model M inoperable.
• Do not operate the Model M on soft surfaces such as sand or mud. Doing so may cause you to become stuck and unable to move the Model M.
• Do not use the Model M on slopes greater than 17% as the device may become unstable and tip over, resulting in damage and/or injury. The Model M has been tested for stability on 17% slopes (10 degrees) and should only be used on slopes less than 17%. For reference, a standard ramp with a railing going into a public building has an 8.3% slope.
• Do not use the Model M to navigate objects taller than 3”. Doing so may cause the device to become unstable and tip over, resulting in damage and/or injury. The Model M is designed and tested for stability on obstacles less than 3” in height.
• Use extreme caution when driving on uneven surfaces or slopes. In these conditions the device may become unstable and tip over, resulting in damage and/or injury. It
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is recommended that you have someone available to stabilize the Model M if necessary when driving on uneven or sloped surfaces.
• Do not use the Model M as a seat during weight training. Doing so may cause the device to become unstable and tip over, resulting in damage and/or injury. The Model M is not intended to be used as a seat during weight training.
• For your safety, always fasten the lap belt when you are in the Model M. Failure to fasten the lap belt over your lap could result in injury if something occurs that causes you fall out of the chair.
• Only use seat cushions that have been certified to pass flammability testing.
• Do not change the seat cushions in the device without having your positioning
evaluated by a seating technician. Failure to do so may result in injury due to improper positioning.
• To prevent injury to your legs or knees, you should inspect underneath tables or other objects before sliding the seat forward. Failure to do so may result in injury due to hitting objects with your legs or knees.
• Check that the tail lamps are working properly before operating the Model M at night or in low visibility conditions. Failure to check the tail lamps could result in injury if others cannot see the chair and collide with it.
• It is not safe to operate the Model M with the footplate in an up (vertical) position. Make sure the footplate is down before moving.
• Make sure your hands, arms, elbows and feet are inside the Model M when moving.
• Stopping distance on slopes can be significantly greater than on level ground.
Brake lock release
• Only disengage the brake locks (put the Model M in freewheel mode) for emergency and short-term use only. When the brake locks are released, the chair movement can only be stopped by external forces (a person or object). Failure to engage the brake locks may result in damage and/or injury if the chair moves uncontrollably.
• To prevent unintended movement, the Model M should be powered off whenever the brake locks are being engaged or disengaged. Failure to turn the power off may result in accidental chair movement, resulting in a collision and possible damage and/or injury.
• Do not use the Model M on a slope when the brake locks are disengaged (in freewheel mode). When the brake locks are released, the chair movement can only be stopped by external forces (a person or object). Failure to engage the brake locks when on a slope will make it extremely difficult to control or stop the Model M movement and could result in serious injury.
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Figure 35. Side view of recommended front and rear clear zones (numbers in inches)
The seated head height is estimated to range from 47” for a small adult female to 61” for a tall adult male.
The following warnings are related to clearance zones:
WARNING
• Only forward-facing use of the wheelchair in a motor vehicle is allowed.
• Sufficient forward and rearward clear space should be provided around the
wheelchair occupant (Figure 34 and Figure 35). The FCZ must be larger when a shoulder-belt restraint is not used.
• Vehicle interior components that cannot be removed from the clear zones or that are near the occupant’s space at a level that may come in contact with the occupant’s head during a side-impact collision or vehicle roller, should be padded with a material that complies with Federal Motor Vehicle Safety Standard 201.
It is strongly recommended that both pelvic and shoulder belts be used by the wheelchair occupant.
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Service
• The Model M contains no user-serviceable parts. Do not attempt to replace or repair any parts (including the batteries) on your own. Doing so may result in damage and/or injury. Service should only be done by a WHILL-authorized service representative.
• Do not spray water to clean off the Model M. Moisture may damage Model M components and make it inoperable.
• Do not attempt to adjust or modify the Model M. Doing so may damage the Model M. Adjusting or modifying the Model M may also make it less stable or impact its performance, resulting in injury if the chair tips over or is not controllable.
Transportation If your device is not equipped with securement points for transportation:
• Do not let anyone sit in the wheelchair while in a moving vehicle.
• Transfer to the vehicle seat and use the vehicle-installed occupant restraint system.
• Make sure the brake releases are locked and secure the wheelchair so that it cannot
roll or shift.
• Do not transport the wheelchair in the front seat of a vehicle. If it moves or shifts it can interfere with the driver.
• Any wheelchair that has been involved in a motor vehicle accident should not be used until inspected and tested by WHILL authorized service personnel. The structure or the wheelchair could be compromised or components broken that could make the wheelchair unsafe to operate or could otherwise injure you.
If your device has securement points:
• Please contact WHILL customer support with questions about using the wheelchair as a seat in a motor vehicle.
• The wheelchair must only be transported in a vehicle that is approved for such purposes.
• Only forward-facing use of the wheelchair in a motor vehicle is allowed.
• Only use the wheelchair in a motor vehicle as described in these instructions.
• Dynamic testing was conducted in a forward-facing wheelchair with a 172 lb crash
test dummy restrained by both pelvic and shoulder belts. Both pelvic and shoulder belts should be used to reduce the possibility of head and chest impacts with vehicle components.
• Do not make any alterations to the wheelchair frame components or parts as these can compromise the device’s transportability.
• Make sure the brake releases are locked and secure the wheelchair so that it cannot roll or shift
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• The lap belt is not designed for use as an occupant restraint when riding in a motor vehicle. To prevent damage and/or injury, you must use approved vehicle-anchored WTORS pelvic and shoulder belts. The lap belt present on the wheelchair may be used in addition to the vehicle-anchored occupant restraints as long as it does not interfere with the proper positioning of the WTORS.
• Both pelvic and shoulder belt restraints that comply with RESNA WC-4 Section 18, Wheelchair Tie-down and Occupant Restraint Systems For Use in Motor Vehicles should be used to limit occupant movement in a crash and reduce the likelihood of injury
• The WTORS that are used to secure the wheelchair to the vehicle and you to the vehicle (the occupant restraints) must be installed and attached in accordance with the manufacturer’s instructions and RESNA WC-4 Section 18, Wheelchair Tie-down and Occupant Restraint Systems For Use in Motor Vehicles.
• Attach the WTORS only to the designated securement points on the wheelchair. Do not connect the WTORS to any other part of the wheelchair. Doing so may result in structural damage to the wheelchair.
• Attach the occupant restraints following the manufacturer’s instructions and RESNA WC-4 Section 18, Wheelchair Tie-down and Occupant Restraint Systems For Use in Motor Vehicles.
• Any wheelchair-mounted accessories should be removed during transport and secured separately in order to reduce the chance they will break loose and injure vehicle occupants
• Sudden stops or motor vehicle accidents may damage your wheelchair. Do not used the wheelchair until inspected and tested by WHILL authorized service personnel. The structure or the wheelchair could be compromised or components broken that could make the wheelchair unsafe to operate or could otherwise injure you.
• Sufficient forward and rearward clear space should be provided around the wheelchair occupant. The forward clear zone must be larger when a shoulder-belt restraint is not used.
• Vehicle interior components that cannot be removed from the clear zones or that are near the occupant’s space at a level that may come in contact with the occupant’s head during a side-impact collision or vehicle roller, should be padded with a material that complies with Federal Motor Vehicle Safety Standard 201.
Battery Charging
• Read the instructions before attempting to use the battery charger.
• Only use the original battery charger provided with the Model M. Use of any other
charger may cause damage or injury and will void the product’s warranty. Please contact customer support if you need a replacement battery charger.
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For proper positioning:
• Belt restraints should not be routed outside of the wheelchair or over the wheelchair arm supports and should not be held away from the body by wheelchair components or parts (Figure 32).
• The belt restraint buckle of three-point belt restraints must be placed in contact with the occupant’s body and away from wheelchair components.
• Upper-torso belt restraints should fit directly over, and be in contact with the middle of the shoulder (Figure 33).
• The junction of the shoulder belt and pelvic belt of three-point belts should be located near the hip opposite to the shoulder over which the diagonal belt crosses and not near the midline of the occupant.
• Belt restraints should be adjusted as snugly as possible, consistent with user comfort.
• Belt restraints should not be worn or twisted in a manner that reduces the area of contact of the belt webbing with the occupant.
Figure 32. Do not place the belt restraints on the outside of the arms or wheels
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• Battery charging should only be performed indoors. Exposing the battery charger to any moisture, water, or other elements may result in fire or electric shock.
• To reduce the risk of fire or electric shock, do not use extension cords with the battery charger. Use of extension cords may result in damage and/or injury.
• To reduce the risk of fire or electrical shock, do not leave the Model M plugged in and continuously charging for more than one week. Extended charging of the Model M may result in damage and/or injury.
• Keep the wheelchair and battery charger away from sources of ignition, such as flames and sparks, because the battery can generate explosive gasses while charging.
• Carry out charging with the wheelchair in a space at least twice its volume, with sufficient ventilation that there is no hazard due to build-up of flammable gas.
• Do not use the battery charger to charge other batteries.
• Do not carry the battery charger on the wheelchair.
Electromagnetic Interference
• Electromagnetic Interference (EMI) from external sources can impact braking and control of the Model M. Unintended brake release or Model M movement could result in serious injury. To prevent this:
o DO NOT operate hand-held transceivers (transmitters/receivers), such as
citizens band (CB) radios, or turn ON personal communication devices, such as cellular phones, while the powered Model M is turned ON;
o Be aware of nearby transmitters, such as radio or TV stations, and try to
avoid coming close to them;
o If unintended movement or brake release occurs, turn the Model M OFF as
soon as it is safe;
o Be aware that adding accessories or components, or modifying the powered
Model M, may make it more susceptible to EMI;
o Report all incidents of unintended movement or brake release to the powered
Model M manufacturer, and note whether there is a source of EMI nearby.
Section 6 of this user manual contains more information on EMI and how it can affect the Model M. To properly understand EMI, please read Section 6.
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CAUTION
Cautions
• Be sure to fully charge the batteries before any initial use of the Model M. Failure to charge the new batteries may reduce the overall battery life.
• To prevent the batteries from draining completely, charge the Model M at least once per month. If the batteries drain completely, do not use the Model M and have the batteries replaced as soon as possible.
• Be sure to check behind you for loose clothing or other material before moving the seat backwards. Failure to do so may result in items becoming caught in the seat slide rails. Gather up any objects and move them out of the way to ensure no damage is caused by seat movement.
• Reaching or leaning can affect the stability and balance of the Model M. To prevent injury, always exercise caution when shifting your weight or balance in the Model M. When in doubt, ask for help when reaching for inaccessible objects.
• The rear horizontal metal bar is available for you carry loads. Be sure that your weight plus the weight of the load does not exceed the wheelchair capacity. Also, be aware that carrying a heavy load may cause instability and harm.
• Removal of the rear access cover and extended exposure of the electrical parts and batteries underneath may cause serious damage to the wheelchair.
• To avoid injuries when the seat is backing up, do not stand on the seat slide track that is exposed when the seat is forward.
• Exercise caution when touching the omni wheels to avoid being pinched by the rollers.
• Do not park the wheelchair near external sources of heat that may harm the user or damage the wheelchair. Surface temperatures of the wheelchair can increase or decrease when exposed to external sources of heat or cold.
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Figure 29. Front tie down point
Each tie down is identified with the hook gage symbol:
Figure 30. Tie down point marking
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3 Product
Model M Components
Figure 1. Model M Components
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Table 1. Components as Labeled in Figure 1
a
Back Support Cushion
b
Directional Controller
c
Arm
d
Pressure relief handles
e
Seat Cushion
f
Foot Support
g
All Directional Wheel
h
Arm Support
i
Tail Lamp
j
Rear Tire
k
Mode Switch
l
Battery Indicator
m
Charger Port
n
Brake Release Lever
Arm and Seat Positions
The Model M arms and seat can each be in two different positions (Figure 2).
Arm Down/Seat Back Position
Arm Down/Seat Forward Position
Arm Up/Seat Forward Position
To drive the Model M, the arms must be locked in the down position and the seat moved all the way back
Creates space to free your arms and allow for easier transfers
Allows you to get closer to the edge of a table Transfer is easier with the seat positioned forward
Figure 2. Model M Seat and Arm Positions
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• Do not transport the wheelchair in the front seat of a vehicle. If it moves or shifts it can interfere with the driver.
• Any wheelchair that has been involved in a motor vehicle accident should not be used until inspected and tested by WHILL authorized service personnel. The structure or the wheelchair could be compromised or components broken that could make the wheelchair unsafe to operate or could otherwise injure you.
Using the Transport Option
This section only applies to wheelchairs that have the optional tie downs installed. If the transport symbol is present on the wheelchair the four tie downs have been installed on the device and it can be used as a seat in a vehicle. In the descriptions that follow, the person in the wheelchair in a vehicle is referred to as the “occupant”.
NOTE: WHILL does not offer Wheelchair Tie-down and Occupant Restraint Systems (WTORS). You should purchase WTORS that are compliant with RESNA WC-4 Section 18, Wheelchair Tie-down and Occupant Restraint Systems For Use in Motor Vehicles from your wheelchair distributor.
The following warnings apply:
WARNING
• Please contact WHILL customer support with questions about using the wheelchair as a seat in a motor vehicle.
• The wheelchair must only be transported in a vehicle that is approved for such purposes.
• Only forward-facing use of the wheelchair in a motor vehicle is allowed.
• Only use the wheelchair in a motor vehicle as described in these instructions.
• Dynamic testing was conducted in a forward-facing wheelchair with a 172 lb crash test
dummy restrained by both pelvic and shoulder belts. Both pelvic and shoulder belts should be used to reduce the possibility of head and chest impacts with vehicle components.
• Make sure the brake releases are locked and secure the wheelchair so that it cannot roll or shift
• Do not make any alterations to the wheelchair frame components or parts as these can compromise the device’s transportability.
• The lap belt is not designed for use as an occupant restraint when riding in a motor vehicle. To prevent damage and/or injury, you must use approved vehicle-anchored WTORS pelvic and shoulder belts. The lap belt present on the wheelchair may be used
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Cushions
The WHILL Model M is provided with a seat cushion. The seat base is compatible with seat cushions 16” wide and from 16” to 20” long. Please refer to the instruction manual provided with your cushion for warnings, maintenance, and use of the seat cushions.
WARNING
• Only use seat cushions that have been certified to pass flammability testing.
• Do not change the seat cushions in the device without having your positioning
evaluated by a seating technician. Failure to do so may result in injury due to improper positioning.
Specifications
There is only one model of the Model M wheelchair, the specifications are listed below.
Table 2. Model M Specifications
Item
Specification
Drive System
4 Wheel Drive
Controller
WHILL Controlling System
Seat Sliding Range
5.9" (150mm)
Chair Ground Clearance
3.5" (89mm)
Maximum Speed
5.5 MPH (8.9 km/h)
Speed Settings
Fast, Medium, Slow Speed
Braking System
Electromagnetic Brake
Turning Radius
28" (711mm)
Maximum Weight Capacity
220lb (100kg)
Arm Angle (down position)
45, 48, 52, 56 degrees
Tail lamps (2)
Red lights
Batteries (2)
12V 50Ah (per battery)
Charger
6A_Charger Charging time: 8 hours to 80% charge
Foot Support Angle
0 to 10 degrees
Foot Support Extension
0”, 1", 2", 3", 4" (0 mm, 25mm, 50mm, 75mm, 100mm)
Compatible Back Supports
VARILITE Icon back system - Low, Mid, Tall, Deep
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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.
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Item
Specification
Horizontal location of axle
3” (75mm)
Static, impact and fatigue testing requirements
Pass
Resistance to ignition
Pass
Test Information
The RESNA standard (Section 15) requires disclosure of the performance test results. Some of the testing required the use of a test dummy. In all cases, the test dummy used weighed 220 lbs. The test methods used were as specified in RESNA WC-1 Section 15. The test data are summarized below
Table 4. Model M Performance Values
Test
Value
Static stability forward – drive wheels locked
16.3○ (lock-out) >20○ (full speed)
Static stability rearward – drive wheels locked
16.8○ (full speed)
Static stability anti-tip – drive wheels locked
17.6○ (full speed)
Maximum slope on which the chair remains upright after testing during all applicable tests
10○
Maximum step/transition height across which wheelchair remains stable during all applicable tests
80.0 mm (3.1 in)
Running brakes – forward-reverse command stopping distance on level
57” (1448mm)
Continuous theoretical driving range
15.12 miles (24.33 km)
Maneuvering theoretical driving range
5.42 miles (8.72 km)
Maximum speed forward – horizontal surface
5.75 mph (2.57 m/s)
Maximum speed forward - 10○ inclined plane (maximum safe slope)
3.87 mph (1.73 m/s)
Climatic testing – rain, hot and cold operation and storage – pass/fail
Pass
Maximum obstacle height the chair can both climb and descend with technique used
3.1” (80.0mm): climb forward with run-up, descend casters trailing
Electrical systems – meets all requirements
Pass
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Test
Value
Maximum thermal drive test results – total distance traveled uphill and reason for stopping test
1148.3 ft (350.0m) (chair drove for 60 minutes)
Non-powered mobility test – force required to start the loaded wheelchair moving in a straight line on the horizontal without electrical power
98N
Electromagnetic compatibility
Pass
4 Operation
WARNING
• Do not operate the Model M without first reading this user manual. Please pay close
attention to all safety information and warnings. Contact customer support if you need any clarification on sections that are unclear. Failure to read and understand how to properly operate the Model M may result in damage and/or injury.
• Do not use the device if there are broken components as you could be injured by
sharp edges or exposure to moving parts.
• Do not use the Model M if it has been exposed to excessive water, is damaged in
any way, or requires service. Contact WHILL or reseller for service.
Safety Check
INFORMATION
Practice and get to know the feel of your device and its capabilities. Perform the safety checks listed below before each use to ensure your device will operate smoothly and safely.
Perform the following inspections before turning on the chair:
● Ensure the charger is unplugged from the Model M and that the charger, along with
the cords, is safely stored away.
● Do not ride over the charger cable or connector as it could be damaged or entangled
and may cause severe injury.
USER MANUAL
MODEL M
Page 45
frequency of the transmitter, where P is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer.
NOTE 1: At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects, and people.
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MODEL M
Page 17
● Check the rear tires for signs of wear or damage. There should be no visible
deformation of tires (they should be circular). The treads should not be worn out and there shouldn’t be any unusual soft places on the tire.
● Check the front wheels for signs of wear or damage. The rubber on the rollers
should not be worn out more than 3mm. The tire should not make any unusual noise when it spins.
● Check the device for physical damage such as dents, scratches, or corrosion.
Awareness of the condition of your Model M will help improve the life and safety of the device.
● Check the arms to ensure they are locked in the down position.
● If you feel there is a service or maintenance problem or if any parts are worn or need
replacement, contact WHILL customer support immediately.
Transfers into and out of the chair
WARNING
• The weight capacity of the Model M is 220 lbs. To avoid injury or Model M failure,
do not exceed this weight.
CAUTION
• Be sure to check behind you for loose clothing or other material before moving the
seat backwards. Failure to do so may result in items becoming caught in the seat slide rails. Gather up any objects and move them out of the way to ensure no damage is caused by seat movement.
• To avoid injuries when the seat is backing up, do not stand on the seat slide track
that is exposed when the seat is forward.
INFORMATION
● Transferring into or out of the device requires agility, awareness and extreme
caution. Practice safe loading and unloading techniques and ask for assistance if you cannot transfer on your own. The Model M has been designed to make transfers easy. The figures below
demonstrate the steps that you may find useful during transfer:
USER MANUAL
MODEL M
Page 18
Figure 3. Chair in the driving position.
Figure 4. Be sure the chair is on. If needed, turn on the chair by pulling the mode switch all the way towards you
Figure 5. With the mode switch in the “S” position, slide the seat forward using directional controller. Turn the chair off.
Figure 6. Lift/rotate the control arms up and backward.
USER MANUAL
MODEL M
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Voltage dips, short interruptions and voltage variations on power supply input lines IEC 61000-4-11
>95% Dip for
0.5 Cycle
60% Dip for 5 Cycles
30% Dip for 25 Cycles
>95% Dip for 5 Seconds
100% Dip for
0.5 Cycle
60% Dip for 5 Cycles
30% Dip for 25 Cycles
100% Dip for 5 Seconds
Mains power quality should be that of a typical commercial or hospital environment. If the user of the Model M requires continued operation during power mains interruptions, it is recommended that the Model M be powered from an uninterruptible power supply or battery.
Power Frequency (50/60Hz) Magnetic Field IEC 61000-4-8
3A/m
30 A/m (>3A/m)
Power frequency magnetic fields should be that of a typical commercial or hospital environment.
Table 8 Guidance and Manufacturer’s Declaration – Immunity
The Model M is intended for use in the electromagnetic environment specified below. The customer or user of the Model M should assure that it is used in such an environment.
Immunity Test
IEC 60601 Test Level
Compliance Level
Electromagnetic Environment – Guidance
Conducted RF IEC 61000-4-6
Radiated RF IEC 61000-4-3
3 Vrms 150 kHz to 80 MHz
3 V/m 80 MHz to 2.5 GHz
3 Vrms (=V1)"
150 kHz to 80 MHz
20 V/m 26 MHz to 3 GHz
Portable and mobile RF communications equipment should be used no closer to any part of the Model M, including cables, than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter.
Recommended separation distance" 𝐷 =
3.5 𝑉1
√𝑃
150kHz to 80MHz
"
𝐷 =
3.5 𝐸1
√𝑃
80 to 800 MHz
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