Invacare M51 User Manual

4.4 (5)

Owner’s Operator and Maintenance Manual

Pronto® M51Base with SureStep®

FormulaCG Tilt,

Rehab Seating

DEALER: This manual MUST be given to the user of the product.

USER: BEFORE using this product, read this manual and save for future reference.

For more information regarding Invacare products, parts, and services, please visit www.invacare.com

REFERENCE DOCUMENTS

WARNING

A QUALIFIED TECHNICIAN MUST PERFORM THE INITIAL SET UP OF THIS WHEELCHAIR. ALSO, A QUALIFIED TECHNICIAN MUST PERFORM ALL PROCEDURES IN THE SERVICE MANUAL.

WHEELCHAIR USERS: DO NOT SERVICE OR OPERATE THIS EQUIPMENT WITHOUT FIRST READING AND UNDERSTANDING

(1) THE OWNER’S OPERATOR AND MAINTENANCE MANUAL AND (2) THE SEATING SYSTEM’S MANUAL (IF APPLICABLE). IF YOU ARE UNABLE TO UNDERSTAND THE WARNINGS, CAUTIONS, AND INSTRUCTIONS, CONTACT INVACARE TECHNICAL SUPPORT BEFORE ATTEMPTING TO SERVICE OR OPERATE THIS EQUIPMENT. OTHERWISE, INJURY OR DAMAGE MAY RESULT.

DEALERS AND QUALIFIED TECHNICIANS: DO NOT SERVICE OR OPERATE THIS EQUIPMENT WITHOUT FIRST READING AND UNDERSTANDING (1) THE OWNER’S OPERATOR AND MAINTENANCE MANUAL, (2) THE SERVICE MANUAL (IF APPLICABLE) AND (3) THE SEATING SYSTEM’S MANUAL (IF APPLICABLE). IF YOU ARE UNABLE TO UNDERSTAND THE WARNINGS, CAUTIONS AND INSTRUCTIONS, CONTACT INVACARE TECHNICAL SUPPORT BEFORE ATTEMPTING TO SERVICE OR OPERATE THIS EQUIPMENT. OTHERWISE, INJURY OR DAMAGE MAY RESULT.

REFERENCE DOCUMENTS

DOCUMENT

PART NUMBER

 

 

M50/51/61 Service Manual

1125075

 

 

Formula CG Powered Seating Owner’s Manual

1143155

 

 

Adjustable ASBA Seats Owner’s Manual

1143192

 

 

Adjustable ASBA Seat Service Manual

1143238

 

 

Van Seat Owner’s Manual

1143195

 

 

MK6i™Electronics Field Reference Guide

1141471

 

 

NOTE: Updated versions of this manual are available on www.invacare.com.

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Part No. 1148076

TABLE OF CONTENTS

TABLE OF CONTENTS

 

REFERENCE DOCUMENTS .................................................................

2

REGISTER YOUR PRODUCT ...............................................................

4

SPECIAL NOTES ................................................................................

5

TYPICAL PRODUCT PARAMETERS ....................................................

7

LABEL LOCATION ............................................................................

8

Wheelchairs With TRRO.........................................................................................................................

9

Wheelchairs Without TRRO...................................................................................................................

9

SECTION 1—GENERAL GUIDELINES .................................................

10

Controller Settings/Repair or Service .................................................................................................

10

Operation Information............................................................................................................................

10

Accessories ................................................................................................................................................

11

Batteries......................................................................................................................................................

12

Grounding Instructions ...........................................................................................................................

13

Rain Test.....................................................................................................................................................

13

Weight Training ........................................................................................................................................

13

Weight Limitation.....................................................................................................................................

13

SECTION 2—EMI INFORMATION .....................................................

14

SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS .........................

16

Stability and Balance.................................................................................................................................

16

Coping With Everyday Obstacles.........................................................................................................

17

A Note to Wheelchair Assistants ........................................................................................................

18

Lifting/Stairways ........................................................................................................................................

18

Transferring To and From Other Seats ..............................................................................................

20

Reaching, Leaning and Bending - Forward ..........................................................................................

21

Reaching and Bending - Backward........................................................................................................

21

SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING ....................

22

Safety Inspection Checklists...................................................................................................................

22

Troubleshooting Guide ...........................................................................................................................

23

Checking Battery Charge Level.............................................................................................................

28

SECTION 5—WHEELCHAIR OPERATION ...........................................

29

Operating the Wheelchair......................................................................................................................

29

MK6i™ SPJ+ w/PSS and MK6i SPJ+ w/ACC Joystick Switches and Indicators..........................

31

MPJ+ Joystick Switches and Indicators ................................................................................................

33

Repositioning Joystick..............................................................................................................................

39

Disconnecting/Connecting the Joysticks .............................................................................................

40

SECTION 6—SEAT ...........................................................................

41

Tilting the Seat Assembly (Formula CG Only)..................................................................................

41

Removing/Installing the Seat Assembly................................................................................................

43

SECTION 7—FOOTBOARD ASSEMBLY ..............................................

44

Removing/Installing the Footboard Assembly....................................................................................

44

Adjusting the Footboard Assembly ......................................................................................................

45

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TABLE OF CONTENTS

TABLE OF CONTENTS

 

SECTION 8—TOP SHROUD AND WHEELS .........................................

47

Replacing the Flat Free Tires on the Wheel Rim..............................................................................

47

Removing/Installing the Battery Shroud ..............................................................................................

47

Engaging/Disengaging Motor Release Lever .......................................................................................

49

Replacing Front/Rear Caster Assemblies............................................................................................

50

Adjusting Forks .........................................................................................................................................

50

SECTION 9—BATTERIES ..................................................................

51

Warnings For Handling and Replacing Batteries...............................................................................

51

Using the Proper Batteries.....................................................................................................................

52

Removing/Installing Batteries from/into Battery Tray......................................................................

53

Connecting/Disconnecting Battery Cables.........................................................................................

55

When to Charge Batteries.....................................................................................................................

57

Charging Batteries....................................................................................................................................

58

Battery Charger Operation....................................................................................................................

59

SECTION 10—TRANSPORT READY PACKAGE ..................................

62

About Transport Ready Packages.........................................................................................................

63

Compliance Information .........................................................................................................................

63

Securing the Wheelchair to the Vehicle .............................................................................................

64

Securing the Occupant ............................................................................................................................

66

NOTES ...........................................................................................

69

LIMITED WARRANTY .....................................................................

72

REGISTER YOUR PRODUCT

The benefits of registering include:

1.Safeguarding your investment.

2.Ensuring long-term maintenance and servicing of your product.

3.Receiving updates with product information, maintenance tips and industry news.

Register ONLINE at warranty.invacare.com

Please have your model number and purchase date available to complete your registration.

Any registration information you submit will only be used by Invacare Corporation and protected as required by applicable laws and regulations.

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SPECIAL NOTES

SPECIAL NOTES

Signal words are used in this manual and apply to hazards or unsafe practices which could result in personal injury or property damage. Refer to the table below for definitions of the signal words.

SIGNAL WORD

MEANING

 

 

 

Danger indicates an imminently hazardous situation which, if not

DANGER

avoided, will result in death or serious injury.

 

 

 

Warning indicates a potentially hazardous situation which, if not

WARNING

avoided, could result in death or serious injury.

 

 

 

Caution indicates a potentially hazardous situation which, if not

CAUTION

avoided, may result in property damage, minor injury or both.

 

 

NOTICE

THE INFORMATION CONTAINED IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE.

WHEELCHAIR USER

As a manufacturer of wheelchairs, Invacare endeavors to supply a wide variety of wheelchairs to meet many needs of the end user. However, final selection of the type of wheelchair to be used by an individual rests solely with the user and his/her healthcare professional capable of making such a selection.

WHEELCHAIR TIE-DOWN RESTRAINTS AND SEAT RESTRAINTS (TRRO OR TRBKTS)

TRRO includes four factory-installed transport brackets and a wheelchair anchored pelvic belt. TRRO has been crash-tested in accordance with ANSI/RESNA WC Vol 1 Section 19 Frontal Impact Test requirements for wheelchairs with a 168 lb crash dummy, which corresponds to a person with a weight of 114 to 209 lbs.

TRBKTS includes four factory-installed wheelchair transport brackets. TRBKTS has not been crash-tested in accordance with WC 19. Use these transport brackets only to secure an unoccupied wheelchair during transport.

As of this date, the U.S. Department of Transportation has not approved any tiedown systems for transportation of a user while in a wheelchair, in a moving vehicle of any type. It is Invacare’s position that users of wheelchairs should be transferred into appropriate seating in vehicles for transportation and use be made of the restraints made available by the auto industry. Invacare cannot and does not recommend any wheelchair transportation systems.

Refer to Transport Ready Package on page 62 for more information about transporting the wheelchair.

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Pronto® M51Base with SureStep®

SPECIAL NOTES

TRRO AND TRBKTS WARNINGS

Only use the transport brackets included with TRRO and TRBKTS for the purposes described in this manual.

WARNING

ALWAYS wear your seat positioning strap. The seat positioning strap is a positioning belt only. It is not designed for use as a safety device withstanding high stress loads such as auto or aircraft safety belts. If signs of wear appear, the belt MUST be replaced IMMEDIATELY.

Invacare products are specifically designed and manufactured for use in conjunction with Invacare accessories. Accessories designed by other manufacturers have not been tested by Invacare and are not recommended for use with Invacare products.

POWERED SEATING SYSTEMS ONLY - This seating system has been customer designed and will be assembled to the wheelchair base before delivery to the user. The information contained in this manual is for maintaining and adjusting the seating system. There are very few adjustments that can safely be made by the user. If there is a procedure or adjustment that needs to be performed on the seating system that is not in this manual, DO NOT perform that procedure. Have the seating system serviced by a qualified technician.

The drive behavior initially experienced by the user may be different from other chairs previously used. This power wheelchair has Invacare’s SureStep technology, a feature that provides the chair with optimum traction and stability when driving forward over transitions and thresholds of up to 2-inches.

The following warnings apply specifically to the SureStep Feature.

DO NOT use on inclines greater than 9°.

DO NOT use on inclines with wet, slippery, icy or oily surfaces. This may include certain painted or otherwise treated wood surfaces.

DO NOT traverse down ramps at high speed. Doing so will reduce traction and increase stopping distance.

The end user’s weight can materially affect traction on sloped surfaces. Great care should be taken when traversing such slopes.

To determine and establish your particular safety limits, practice use of this product on various sloping surfaces in the presence of a qualified healthcare provider before attempting active use of this wheelchair. Other general warnings listed within this document also apply.

Wheelchairs should be examined during maintenance for signs of corrosion (water exposure, incontinence, etc.). Electrical components damaged by corrosion should be replaced IMMEDIATELY.

Wheelchairs that are used by incontinent users and/or are frequently exposed to water may require replacement of electrical components more frequently.

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TYPICAL PRODUCT PARAMETERS

TYPICAL PRODUCT PARAMETERS

 

FORMULA CG

 

ASBA

 

VAN SEAT

 

 

 

 

 

 

SEAT WIDTH RANGE:

 

 

16 to 20 inches

 

 

 

 

 

 

SEAT DEPTH:

 

 

16 to 20 inches

 

 

 

 

 

 

BACK HEIGHT:

 

 

16 to 20 inches

 

 

 

 

 

BACK ANGLE RANGE:

 

85° to 105° in 5° increments

 

 

 

 

UPHOLSTERY:

Black Nylon Back with Seat Pan

 

Gray Vinyl

 

 

 

 

 

 

SEAT-TO-FLOOR:

17½ to 19¾ inches

 

18 to 20 inches

 

19 to 21 inches

 

 

 

 

 

(Solid Wood Base,

 

 

 

 

 

without Cushion)

 

 

 

 

 

 

OVERALL WIDTH:

 

24 inches (Without Joystick)

 

 

 

 

 

 

OVERALL HEIGHT:

 

 

41½ inches

 

 

 

OVERALL LENGTH:

34 inches (With Footboard Folded)

 

39½ inches (With Footboard Extended)

 

 

 

 

DRIVE WHEELS/TIRES:

 

10 x 3-inch (Flat Free inserts)

 

 

 

CASTER:

6 x 2-inch Front/Rear w/Precision Sealed Bearings

 

 

FOOTRESTS/

Flip Up, Depth and Height Adjustable, Footboard,

LEGRESTS:

Swingaway Front Rigging, Elevating Legrest

 

 

 

 

 

 

*WEIGHT

 

 

 

 

 

W/O BATTERIES:

 

 

145 to 170 lbs

 

W/BATTERIES (U1):

 

 

192 to 217 lbs

 

 

 

 

 

 

 

SHIPPING

 

 

 

 

 

BASE W/O BATTERIES:

 

 

107 lbs

 

BASE WITH BATTERIES:

 

 

154 lbs

 

ADJUSTABLE ASBA (20 X 20 X 20):

 

 

48 lbs

 

 

 

ARMRESTS:

Adjustable Width, Angle, Heights and Depth

 

 

 

U1 - Quantity 2

 

BATTERIES:

 

 

 

 

 

 

 

 

 

 

 

 

 

WEIGHT LIMITATION:

 

 

300 lbs

 

 

 

 

 

 

 

PERFORMANCE

 

 

 

 

 

SPEED:

 

 

0 to 4.3 m.p.h.

 

TURNING RADIUS:

 

 

19½ inches

 

**RANGE (VARIABLE):

 

 

up to 12 miles

 

 

 

 

 

 

 

*NOTE: Includes seating systems and accessories.

**NOTE: Values for range are calculated for maximum chair weight rating using largest batteries applicable (U1), per test procedures described in ANSI/RESNA WC/VOL2 1998 Section 4 and meet federal reimbursement requirements for this product. While considered typical, they are derived based on certain ideal conditions. Variances in battery condition, user weight, usage pattern or overall terrain conditions will result in actual values for range that differ from these stated values. Users should become accustomed to how their unique conditions impact their individual results. Users should become familiar with the battery discharge indicator on the joystick to determine the range of their wheelchair. Refer to Battery Charger Operation on page 59 for more information about the battery discharge indicator.

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Pronto® M51Base with SureStep®

Invacare M51 User Manual

LABEL LOCATION

LABEL LOCATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Part No. 1148076

LABEL LOCATION

Wheelchairs With TRRO

NOTE: Also on opposite side.

NOTE: Also on opposite side.

NOTE: Also on opposite side.

Wheelchairs Without TRRO

NOTE: Auto style seat positioning strap shown. This label is also on the airline style seat positioning strap.

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Pronto® M51Base with SureStep®

SECTION 1—GENERAL GUIDELINES

SECTION 1—GENERAL GUIDELINES

WARNING

SECTION 1 - GENERAL GUIDELINES contains important information for the safe operation and use of this product. DO NOT use this product or any available optional equipment without first completely reading and understanding these instructions and any additional instructional material such as Owner’s Manuals, Service Manuals or Instruction Sheets supplied with this product or optional equipment. If you are unable to understand the Warnings, Cautions or Instructions, contact a healthcare professional, dealer or technical personnel before attempting to use this equipment - otherwise, injury or damage may occur.

Controller Settings/Repair or Service

Set up of the Electronic Control Unit is to be performed only by a qualified technician. The final adjustments of the controller may affect other activities of the wheelchair. Damage to the equipment could occur if improperly set up or adjusted.

Wheelchairs should be examined during maintenance for signs of corrosion (water exposure, incontinence, etc.). Electrical components damaged by corrosion should be replaced IMMEDIATELY.

Wheelchairs that are used by incontinent users and/or are frequently exposed to water may require replacement of electrical components more frequently.

Operation Information

Performance adjustments should only be made by professionals of the healthcare field or persons fully conversant with this process and the driverʹs capabilities. Incorrect settings could cause injury to the driver, bystanders, damage to the chair and to surrounding property.

After the wheelchair has been set up, check to make sure that the wheelchair performs to the specifications entered during the set up procedure. If the wheelchair does not perform to specifications, turn the wheelchair Off immediately and reenter set up specifications. Repeat this procedure until the wheelchair performs to specifications.

ALWAYS shift your weight in the direction you are turning. DO NOT shift your weight in the opposite direction of the turn. Shifting your weight in the opposite direction of the turn may cause the inside drive wheel to lose traction and the wheelchair to tip over.

DO NOT shift your weight or sitting position toward the direction you are reaching as the wheelchair may tip over.

DO NOT engage or disengage the motor release levers until the power is in the Off position.

DO NOT operate on roads, streets or highways.

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Part No. 1148076

SECTION 1—GENERAL GUIDELINES

DO NOT climb, go up or down ramps or traverse slopes greater than 9°.

DO NOT attempt to move up or down an incline with a water, ice or oil film.

DO NOT attempt to drive over curbs or obstacles. Doing so may cause your wheelchair to turn over and cause bodily harm or damage to the chair.

DO NOT leave the power button in the On position when entering or exiting your wheelchair.

DO NOT stand on the frame of the wheelchair.

DO NOT stand on the flip up footboard, otherwise damage may occur. When getting in or out of the wheelchair, make sure that the flip up footboard is in the upward position.

DO NOT stand on the front riggings, otherwise damage may occur. When getting in or out of the wheelchair, make sure that the footplates on the front riggings are in the upward position or moved out of the way.

ALWAYS wear your seat positioning strap. The seat positioning strap is a positioning belt only. It is not designed for use as a safety device withstanding high stress loads such as auto or aircraft safety belts. If signs of wear appear, belt MUST be replaced immediately.

Before performing any maintenance, adjustment or service verify that On/Off switch on the joystick is in the Off position.

Avoid storing or using the wheelchair near open flame or combustible products. Serious injury or damage to property may result.

ALWAYS keep hands and fingers clear of moving parts to avoid injury.

NEVER leave an unoccupied wheelchair on an incline.

DO NOT attempt to lift the wheelchair by any removable (detachable) parts. Lifting by means of any removable (detachable) parts of the wheelchair may result in injury to the user or damage to the wheelchair.

Make sure the detent balls of the quick release pin are fully released beyond the outer edge of the tube before operating the wheelchair. Otherwise, injury and/or damage may result.

Keep detent balls clean.

Accessories

Extreme care should be exercised when using oxygen in close proximity to electric circuits and other combustible materials. Contact your oxygen supplier for instruction in the use of oxygen.

Invacare products are specifically designed and manufactured for use in conjunction with Invacare accessories. Accessories designed by other manufacturers have not been tested by Invacare and are not recommended for use with Invacare products.

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Pronto® M51Base with SureStep®

SECTION 1—GENERAL GUIDELINES

Batteries

The warranty and performance specifications contained in this manual are based on the use of deep cycle gel cell or sealed lead acid batteries. Invacare strongly recommends their use as the power source for this unit.

Carefully read battery/battery charger information prior to installing, servicing or operating your wheelchair.

Charging Batteries

DANGER

When using an extension cord, use only a three wire extension cord having at least 16 AWG (American Wire Gauge) wire and the same or higher electrical rating as the device being connected. Use of improper extension cord could result in risk of fire and electric shock. Three prong to two prong adapters should not be used. Use of three prong adapters can result in improper grounding and present a shock hazard to the user.

NEVER attempt to recharge the batteries by attaching cables directly to the battery terminals.

DO NOT attempt to recharge the batteries and operate the wheelchair at the same time.

DO NOT operate wheelchair with extension cord attached to the AC cable.

DO NOT attempt to recharge the batteries when the wheelchair has been exposed to any type of moisture.

DO NOT attempt to recharge the batteries when the wheelchair is outside.

DO NOT sit in the wheelchair while charging the batteries.

DO NOT attempt to recharge batteries using both the on board battery charger and an independent battery charger (plugged into the joystick charger port) at the same time. Doing so will reduce the life of the batteries.

Read and carefully follow the manufacturer’s instructions for each charger (supplied or purchased). If charging instructions are not supplied, consult a qualified technician for proper procedures.

Ensure the pins of the extension cord plug are the same number, size, and shape as those on the charger.

DO NOT under any circumstances cut or remove the round grounding plug from the charger AC cable plug or the extension cord plug.

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Part No. 1148076

SECTION 1—GENERAL GUIDELINES

Grounding Instructions

DO NOT, under any circumstances, cut or remove the round grounding prong from any plug used with or for Invacare products. Some devices are equipped with three prong (grounding) plugs for protection against possible shock hazards and fire. Where a two prong wall receptacle is encountered, it is the personal responsibility and obligation of the customer to contact a qualified electrician and have the two prong receptacle replaced with a properly grounded three prong wall receptacle in accordance with the National Electrical Code. If you must use an extension cord, use only a three wire extension cord having the same or higher electrical rating as the device being connected. In addition, Invacare has placed RED/ORANGE warning tags on some equipment. DO NOT remove these tags.

Rain Test

Invacare has tested its power wheelchairs in accordance with ISO 7176 “Rain Test.” This provides the end user or his/her assistant sufficient time to remove his/her power wheelchair from a rain storm and retain wheelchair operation.

DO NOT leave power wheelchair in a rain storm of any kind.

DO NOT use power wheelchair in a shower.

DO NOT store power wheelchair in a damp area for an extended period of time.

Direct exposure to excessive rain or dampness may cause the chair to malfunction electrically and mechanically, may cause the chair to prematurely rust or may damage the upholstery.

Check to ensure that the RED and GREY battery terminal caps are secured in place, joystick boot is not torn or cracked where water can enter and that all electrical connections are secure at all times.

DO NOT use the wheelchair if the joystick boot is torn or cracked. If the joystick boot becomes torn or cracked, replace immediately.

Weight Training

Invacare does not recommend the use of its wheelchairs as a weight training apparatus. Invacare wheelchairs have not been designed or tested as a seat for any kind of weight training. If occupant uses said wheelchair as a weight training apparatus, Invacare shall not be liable for bodily injury and the warranty is void.

Weight Limitation

The wheelchair has a weight limitation of 300 lbs.

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Pronto® M51Base with SureStep®

SECTION 2—EMI INFORMATION

SECTION 2—EMI INFORMATION

WARNING

CAUTION: IT IS VERY IMPORTANT THAT YOU READ THIS INFORMATION REGARDING THE POSSIBLE EFFECTS OF ELECTROMAGNETIC INTERFERENCE ON YOUR POWERED WHEELCHAIR.

Electromagnetic Interference (EMI) From Radio Wave Sources

Powered wheelchairs and motorized scooters (in this text, both will be referred to as powered wheelchairs) may be susceptible to electromagnetic interference (EMI), which is interfering electromagnetic energy (EM) emitted from sources such as radio stations, TV stations, amateur radio (HAM) transmitters, two way radios, and cellular phones. The interference (from radio wave sources) can cause the powered wheelchair to release its brakes, move by itself, or move in unintended directions. It can also permanently damage the powered wheelchair's control system. The intensity of the interfering EM energy can be measured in volts per meter (V/m). Each powered wheelchair can resist EMI up to a certain intensity. This is called its "immunity level." The higher the immunity level, the greater the protection. At this time, current technology is capable of achieving at least a 20 V/m immunity level, which would provide useful protection from the more common sources of radiated EMI.

There are a number of sources of relatively intense electromagnetic fields in the everyday environment. Some of these sources are obvious and easy to avoid. Others are not apparent and exposure is unavoidable. However, we believe that by following the warnings listed below, your risk to EMI will be minimized.

The sources of radiated EMI can be broadly classified into three types:

1)Hand-held Portable transceivers (transmitters-receivers with the antenna mounted directly on the transmitting unit. Examples include: citizens band (CB) radios, "walkie talkie", security, fire and police transceivers, cellular telephones, and other personal communication devices).

NOTE: Some cellular telephones and similar devices transmit signals while they are ON, even when not being used.

2)Medium-range mobile transceivers, such as those used in police cars, fire trucks, ambulances and taxis. These usually have the antenna mounted on the outside of the vehicle; and

3)Long-range transmitters and transceivers, such as commercial broadcast transmitters (radio and TV broadcast antenna towers) and amateur (HAM) radios.

NOTE: Other types of hand-held devices, such as cordless phones, laptop computers, AM/FM radios, TV sets, CD players, cassette players, and small appliances, such as electric shavers and hair dryers, so far as we know, are not likely to cause EMI problems to your powered wheelchair.

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Part No. 1148076

SECTION 2—EMI INFORMATION

WARNING

Powered Wheelchair Electromagnetic Interference (EMI)

Because EM energy rapidly becomes more intense as one moves closer to the transmitting antenna (source), the EM fields from hand-held radio wave sources (transceivers) are of special concern. It is possible to unintentionally bring high levels of EM energy very close to the powered wheelchair's control system while using these devices. This can affect powered wheelchair movement and braking. Therefore, the warnings listed below are recommended to prevent possible interference with the control system of the powered wheelchair.

Electromagnetic interference (EMI) from sources such as radio and TV stations, amateur radio (HAM) transmitters, two-way radios, and cellular phones can affect powered wheelchairs and motorized scooters.

FOLLOWING THE WARNINGS LISTED BELOW SHOULD REDUCE THE CHANCE OF UNINTENDED BRAKE RELEASE OR POWERED WHEELCHAIR MOVEMENT WHICH COULD RESULT IN SERIOUS INJURY.

1)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 wheelchair is turned ON;

2)Be aware of nearby transmitters, such as radio or TV stations, and try to avoid coming close to them;

3)If unintended movement or brake release occurs, turn the powered wheelchair OFF as soon as it is safe;

4)Be aware that adding accessories or components, or modifying the powered wheelchair, may make it more susceptible to EMI (NOTE: There is no easy way to evaluate their effect on the overall immunity of the powered wheelchair); and

5)Report all incidents of unintended movement or brake release to the powered wheelchair manufacturer, and note whether there is a source of EMI nearby.

Important Information

1)20 volts per meter (V/m) is a generally achievable and useful immunity level against EMI (as of May 1994) (the higher the level, the greater the protection);

2)This device has been tested to a radiated immunity level of 20 volts per meter.

3)The immunity level of the product is unknown.

Modification of any kind to the electronics of this wheelchair as manufactured by Invacare may adversely affect the EMI immunity levels.

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Pronto® M51Base with SureStep®

SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS

SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS

“Safety and Handling” of the wheelchair requires the close attention of the wheelchair user as well as the assistant. This manual points out the most common procedures and techniques involved in the safe operation and maintenance of the wheelchair. It is important to practice and master these safe techniques until you are comfortable in maneuvering around the frequently encountered architectural barriers.

Use this information only as a “basic” guide. The techniques that are discussed on the following pages have been used successfully by many.

Individual wheelchair users often develop skills to deal with daily living activities that may differ from those described in this manual. Invacare recognizes and encourages each individual to try what works best for him/her in overcoming architectural obstacles that they may encounter, however all WARNINGS and CAUTIONS given in this manual MUST be followed. Techniques in this manual are a starting point for the new wheelchair user and assistant with “safety” as the most important consideration for all.

Stability and Balance

WARNING

ALWAYS wear your seat positioning strap. The seat positioning strap is a positioning belt only. It is not designed for use as a safety device withstanding high stress loads such as auto or aircraft safety belts. If signs of wear appear, belt MUST be replaced immediately.

Be aware that carrying heavy objects on your lap while occupying the wheelchair may adversely affect the stability of the wheelchair, resulting in serious bodily injury to the user, damage to the wheelchair and surrounding property.

This wheelchair has been designed to accommodate one individual. If more than one individual occupies the wheelchair this may adversely affect the stability of the wheelchair, resulting in serious bodily injury to the user and passenger and damage to the wheelchair and surrounding property.

To assure stability and proper operation of your wheelchair, you must at all times maintain proper balance. Your wheelchair has been designed to remain upright and stable during normal daily activities as long as you do not move beyond the center of gravity. DO NOT lean forward out of the wheelchair any further than the length of the armrests.

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Part No. 1148076

SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS

Coping With Everyday Obstacles

WARNING

DO NOT attempt to reach objects if you have to move forward in the seat or pick them up from the floor by reaching down between your knees.

Proper positioning is essential for your safety. When reaching, leaning, bending or bending forward, it is important to use the casters as a tool to maintain stability and balance.

Many activities require the wheelchair user to reach, bend and transfer in and out of the wheelchair. These movements will cause a change to the normal balance, center of gravity, and weight distribution of the wheelchair. To determine and establish your particular safety limits, practice bending, reaching and transferring activities in several combinations in the presence of a qualified healthcare professional before attempting active use of the wheelchair.

NOTE: For this information, refer to FIGURE 3.1.

Coping with the irritation of everyday obstacles can be alleviated somewhat by learning how to manage your wheelchair. Keep in mind your center of gravity to maintain stability and balance.

While the walking beam allows to traverse up to a 2 inch bump or threshold, stopping after the wheels cross the bump poses a problem. The chair cannot reverse over the bump at this point. Continue forward and then turn around.

While the wheelchair is designed for use primarily in and around the home, the provider should determine whether this chair is suitable for the actual environment the chair will be used in.

DO NOT go down ramp at full speed. Some seat/back positions will cause wheelchair to feel unstable.

2-inch Bump or Threshold

FIGURE 3.1 Coping With Everyday

Obstacles

CAUTION

Be aware of condition of ramp. Traction will be diminished/nonexistent on a slippery surface. Proceed with caution.

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SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS

A Note to Wheelchair Assistants

When assistance to the wheelchair user is required, remember to use good body mechanics. Keep your back straight and bend your knees whenever tilting wheelchair or traversing curbs or other impediments.

Also, be aware of detachable parts such as arms or legrests. These must NEVER be used to move the wheelchair or as lifting supports, as they may be inadvertently released, resulting in possible injury to the user and/or assistant(s).

When learning a new assistance technique, have an experienced assistant help you before attempting it alone.

Lifting/Stairways

WARNING

DO NOT attempt to move an occupied power wheelchair between floors using a stairway. Use an elevator to move an occupied power wheelchair between floors. If moving a power wheelchair between floors by means of a stairway, the occupant MUST be removed and transported independently of the power wheelchair.

Extreme caution is advised when it is necessary to move an unoccupied power wheelchair up or down the stairs. Invacare recommends using two assistants and making thorough preparations.

Use only secure, nondetachable parts for hand-hold supports.

It is strongly recommended to lift the wheelchair only by the rear frame and the front forks - otherwise injury or damage may occur.

DO NOT attempt to lift the wheelchair by any removable (detachable) parts. Lifting by means of any removable (detachable) parts of a wheelchair may result in injury to the user or damage to the wheelchair.

The weight of the wheelchair with batteries and without the user is 212 lbs. Use proper lifting techniques (lift with your legs) to avoid injury.

NOTE: For this procedure, refer to FIGURE 3.2 on page 19.

Follow this procedure for moving the wheelchair between floors when an elevator is not available or lifting the wheelchair is necessary:

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SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS

NOTE: When using a stairway to move the wheelchair, seat and any accessories, move all wheelchair components away from the stairway prior to reassembly.

NOTE: This procedure needs two assistants to lift the wheelchair to transport it.

1.Remove the occupant from the wheelchair.

2.Remove the seat. Refer to Tilting the Seat Assembly (Formula CG Only) on page 42.

3.Remove any accessories on the wheelchair.

4.Bend your knees and keep your back straight.

5.Ensure that the casters are oriented as shown in FIGURE 3.2.

6.Using the rear and front forks as hand hold supports, transfer the wheelchair base to desired location. Refer to FIGURE 3.2.

7.Using non removable (nondetachable) parts, transfer the seat and any accessories to desired location.

8.Reinstall any accessories that were removed in STEP 3.

9.Reinstall the seat. Refer to Tilting the Seat Assembly (Formula CG Only) on page 41.

Rear Frame

Front Fork

(Front Edge)

 

FIGURE 3.2 Lifting/Stairways

WARNING - ESCALATORS

DO NOT use an escalator to move a wheelchair between floors. Serious bodily injury may occur.

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SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS

Transferring To and From Other Seats

WARNING

ALWAYS turn the wheelchair power Off and engage the Motor Release Levers to prevent the wheels from moving before attempting to transfer in or out of the wheelchair. Also, make sure every precaution is taken to reduce the gap distance by aligning both the front and rear casters parallel with the object you are transferring onto.

CAUTION

When transferring, position yourself as far back as possible in the seat. This will prevent broken screws, damaged upholstery and the possibility of the wheelchair tipping forward.

NOTE: This activity may be performed independently provided you have adequate mobility and upper body strength.

NOTE: For this procedure, refer to FIGURE 3.3.

1.Position the wheelchair as close as possible along side the seat to which you are transferring, with the rear casters pointing away from it.

2.After the wheelchair is positioned properly for transfer, verify that the motor release levers are engaged. Refer to Engaging/Disengaging Motor Release Lever on page 49.

Minimum Gap

Distance

FIGURE 3.3 Transferring To and From

Other Seats

3.Flip back or remove arm on side of wheelchair you are transferring from.

4.Shift body weight into seat with transfer.

During independent transfer, little or no seat platform will be beneath you. Use a transfer board if at all possible.

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Reaching, Leaning and Bending - Forward

NOTE: For this procedure, refer to FIGURE 3.4.

Position the front and rear casters so that they are extended as far forward as possible and engage motor release levers.

WARNING

DO NOT attempt to reach objects if you have to move forward in the seat or pick them up from the floor by reaching down between your knees.

FIGURE 3.4 Reaching, Leaning and Bending - Forward

Reaching and Bending - Backward

WARNING

DO NOT lean over the top of the back upholstery. This will change your center of gravity and may cause you to tip over.

NOTE: For this procedure, refer to For this procedure, refer to FIGURE 3.5.

Position wheelchair as close as possible to the desired object. Point the front AND rear casters rearward to create the longest possible wheelbase. Reach back only as far as your arm will extend without changing your sitting position.

FIGURE 3.5 Reaching and Bending - Backward

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SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING

SECTION 4—SAFETY INSPECTION/ TROUBLESHOOTING

NOTE: Every six months or as necessary take your wheelchair to a qualified dealer for a thorough inspection and servicing. Regular cleaning will reveal loose or worn parts and enhance the smooth operation of your wheelchair. To operate properly and safely, your wheelchair must be cared for just like any other vehicle. Routine maintenance will extend the life and efficiency of your wheelchair.

Safety Inspection Checklists

CAUTION

As with any vehicle, wheels and tires should be checked periodically for cracks and wear and should be replaced as necessary.

Initial adjustments should be made to suit your personal body structure needs and preference. Thereafter follow these maintenance procedures:

All Wheelchairs

Inspect/Adjust Initially

Ensure that the wheelchair rolls straight (no excessive drag or pull to one side).

Ensure that the arms are secure but easy to release and adjustment levers engage properly.

Ensure that adjustable height arms operate and lock securely.

Ensure armrest pads sit flush against arm.

Ensure seat is secured to wheelchair frame.

Ensure seat release latch is functional. Replace if necessary.

Ensure wheel mounting nuts are secure on drive wheels.

Ensure no excessive side movement or binding occurs when drive wheels are lifted and spun when disengaged (freewheeling).

Inspect caster assembly has proper tension when caster is spun. Caster should come to a gradual stop.

Loosen/tighten caster locknut if wheel wobbles noticeably or binds to a stop.

Ensure all caster/wheel/fork/headtube fasteners are secure.

Inspect tires for flat spots and wear.

Ensure casters are free of debris.

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