Yamaha JWX-1 Owner's Manual
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Yamaha JWX-1 Owner's Manual

Electric power unit for wheelchairs
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Summary of Contents for Yamaha JWX-1

  • Page 2: Table Of Contents

    1.3. Operation Diagnosis Check 1.4. Assistive Operation Diagnosis Check 1.5. Warnings and Notes for the Operation 1.6. Warning Label Location Diagram 2. Names of Parts 2.1. JWX-1 24" 2.2. JWX-1 16" 2.3. Controller 2.4. Assistant Controller (Optional) 2.5. Nickel Metal Hydride Battery (JWB2) 2.6.
  • Page 3 5. After You are Finished Riding the Wheelchair 45 5.1. Getting out of the Wheelchair 5.2. Removing the Battery 6. How to Use the Assistant Controller 6.1. Getting in the Wheelchair 6.2. Starting Assistant Travel Mode 6.3. After Assistant Operations are Finished 7.
  • Page 4 11.4. Assistant Controller (Optional) 11.5. Setting Parameters 12. Maintenance, Daily Check, Periodic Inspection 84 12.1. Maintenance 12.2. Daily Checks 12.3. Quit to use JWX-1 and Recycling 13. Dimensions and Specifications 14. Troubleshooting 14.1. Before Requesting Repairs 14.2. Requesting Repairs and Inspections 14.3.
  • Page 5 Introduction This is a manual for the “JWX-1” electric power unit for wheelchairs. Before you read this manual, check which product you are using. This product consists of the left and right drive units, the joystick-equipped controller, the battery and charger, and the optional assistant controller. These components, except for the battery and charger, are already installed to the wheelchair frame.

  • Page 6: Please Read Before Use

    125 kg. The JWX-1 16" withstands a load of 100 kg. Use with a maxi- mum load of 100 kg. If the frame on which the JWX-1 is installed has an even lighter load capacity, ensure that you do not exceed that value.

  • Page 7: Operation Diagnosis Check

    1.3. Operation Diagnosis Check Depending on the extent of your disabilities, it may be dangerous to travel unaccompanied. Use this diagnosis check as a guide to determine whether or not you can travel unaccompanied. Diagnosis Check 1 A r e y o u a b l e t o Are you able to cor- move the joystick rectly perceive visu-...

  • Page 8: Assistive Operation Diagnosis Check

    WARNING Before using the wheelchair, be sure to assess your competence and determine whether or not you need an assistant. Moreover, in determining the necessity of an as- Expert sistant, consult expert opinions as a point of refer- ence. If your judgment is based solely on your own opinion, you or other people around you may get injured.

  • Page 9: Warnings And Notes For The Operation

    WARNING If an assistant is to accompany you and operate the wheelchair, be sure to assess his or her com- petence. Moreover, when assessing the assistant’s compe- Expert tence, consult expert opinions as a point of refer- ence. If your judgment is based solely on your own opinion, you or other people around you may get injured.
  • Page 10 1.5.2. Before Use Every Day WARNING Perform the daily checks before use every day. Make a habit out of inspecting the wheel- chair. Continued use of the wheelchair with a problem in the wheelchair body or the wheels may cause damage to the wheelchair while traveling, and may result in a rollover or fall.
  • Page 11 1.5.3. Handling the Wheelchair WARNING Modifying the unit or its mounting may ad- versely affect its performance and safety. Never make any modifications. If the wheelchair has parts that are foldable or detachable, do not operate the wheel- chair with those parts folded or removed. When lifting the wheelchair, do not hold mov- able parts.
  • Page 12 WARNING Do not hang anything on the joystick on the controller. It may get in the way of your opera- tion, or the weight of the object may prevent the joystick from returning to its original posi- tion, even after your hand has released it. In addition, if you put a rubber band around the joystick, it may get jammed inside the con- troller, causing the joystick to not return to its...
  • Page 13 While operating the wheelchair, be careful not to get your hands tangled in the wheel spokes, wheel holes, etc. The wheels of the JWX-1 16" are not equipped with hand rims. When operating the JWX-1 16", do not manually drive the wheelchair by holding its...
  • Page 14 1.5.4. Getting In /Out of the Wheelchair, Seating WARNING When getting in the wheelchair by yourself or when the assistant has the user of the wheel- chair get in the wheelchair, ensure that the wheelchair is on a level ground. If the user at- tempts to get in the wheelchair on an incline, he or she may lose balance and fall off the wheelchair.
  • Page 15 The weak electromagnetic waves emitted by the JWX-1 may affect other electronic devices, such as automatic doors and the anti-theft systems of stores. In this case, turn off the power and operate the wheelchair using the assistant operations or manual operation.
  • Page 16 WARNING Do not use the wheelchair for transport- ing luggage or for any other purpose than to provide assistance to a disabled per- son. Do not ride with clothing that is unsafe for wheelchairs, such as shown below. If you drive with such clothing, you or other people around you may get injured.
  • Page 17 In the following environments and situations, you may need an assistant to accompany you and to operate the wheelchair for you. In such cases, have an assistant accompany you. Traveling alone in these situations may lead to injury. Moreover, check to see if any dangers such as those shown below exist in the roads you use on a daily basis.
  • Page 18 WARNING Be careful not to travel too close to the edge when traveling on an embankment, etc., of a road. Depending on the condition of the shoul- der of the road, you could accidentally move off the road. When traveling on a sidewalk that does not have a guardrail, there is a risk of falling into the street side.
  • Page 19 1.5.7. Operation on Slopes WARNING The wheelchairs equipped with the JWX-1 are built to be lighter compared to other heavier electric wheelchairs that use a general lead battery. For this reason, when a person sits in it, the overall center of gravity shifts higher. Therefore, caution is necessary when traveling on a slope.
  • Page 20 1.5.8. Going Up /Down Curbs WARNING The wheelchairs equipped with the JWX-1 are built to be lighter compared to other electric wheelchairs that use a general lead battery. For this reason, when a person sits in it, the overall center of gravity shifts higher. Therefore, caution is necessary when traveling on a curb.
  • Page 21 WARNING When going up/down a curb for the first time, have an assistant accompany you instead of traveling alone. When traveling over a curb, be careful not to lose your balance. When traveling over a curb, proceed at a right angle to the curb.
  • Page 22 WARNING When descending from a curb with the as- sistant operations, descend in reverse. If the assistant moves the wheelchair forward when descending, the passenger may plunge for- ward and fall off the wheelchair. When going up/down a curb with the assistant operations, the safety wheels of the anti-tip device may be raised or folded temporarily de- pending on the height of the curb.
  • Page 23 WARNING Before crossing a road, be sure to check to the left and right for safety. Do not cross a road if it is dangerous to do so, such as if an automobile is approaching. When crossing a road, proceed as close as possible at a right angle to the road.
  • Page 24 WARNING At intersections where there are no traffic lights or crosswalks, stop in the following three stages. 1. Stop before entering the road. 2. Stop where you can be seen by automobiles. 3. Stop where you have a good view of the road. 1.5.10.
  • Page 25 1.5.11. Poor Road Conditions WARNING The wheelchairs equipped with the JWX-1 or the are built to be lighter compared to other electric wheelchairs that use a general lead battery. For this reason, when a person sits in it, the overall center of gravity shifts higher. Therefore, caution is necessary when traveling on a curb.
  • Page 26 1.5.12. Parking Lots WARNING Do not travel directly behind or in front of au- tomobiles in parking lots. Drivers may not be able to see you if you are directly behind or in front of their automobiles. Do not travel between automobiles in parking lots.
  • Page 27 WARNING When getting on/off a bus or train, always have an assistant accompany you to ensure safety. Whenever you get off a bus, a taxi, or a train, be sure that the safety wheels on the anti-tip device are in the correct position before get- ting in the wheelchair.
  • Page 28 1.5.15. Transporting and Storing the Wheelchair WARNING When lifting a wheelchair with tilt-up arm support, never lift it by the arm support. Oth- erwise, the arm support may come off and cause an injury or damage to the equipment. When lifting a wheelchair, never lift it by the battery, cable, or controller.
  • Page 29 WARNING Be sure to remove the battery when not in use, so that its power will not turn on unex- pectedly in storage or during transport. Be sure to store the disconnected battery with the protective cap on it. Exposed contacts can cause short circuits and lead to a fire or bat- tery rupture.
  • Page 30 WARNING Do not wash by directly hosing it down with water. Also, do not wash with using steam. The electronic devices can get damaged, which may lead to malfunction. Do not clean with solvents such as gasoline or paint thinner. This may damage the painting and plastic parts.

  • Page 31: Warning Label Location Diagram

    1.6. Warning Label Location Diagram • Power Unit and Controller (Battery seat side surface) (JWX-1 16") (Battery seat back surface) (JoyUnitX) (JoyUnitX) (JWX-1 16") • Lithium Ion Battery and Charger (Back side) • Nickel Metal Hydride Battery and Charger...

  • Page 32: Names Of Parts

    Names of Parts 2.1. JWX-1 24" Controller (Pages 29, 40, 41, Rear tire (Page 35) Clutch lever (Pages 39, 47, 73, Drive unit (AC servo motor) Upper holder Lower holder Under holder Assistant controller (Optional) (Pages 41 and 48) Brake lever...
  • Page 33 2.2. JWX-1 16" Controller (Pages 29, 40, 41, 42) Rear tire (Page 35) Drive unit (AC servo motor) Upper holder Lower holder Under holder Assistant controller (Optional) (Pages 47 and 48) Brake lever Battery (Pages 30, 32, 51– 69) Anti-tip device...

  • Page 34: Controller

    2.3. Controller (Pages 36, 40 –42) Joystick (Page 40) Horn Switch (Page 42) Battery Residual Capacity and Speed Hand-Resting Indicator Lamp Plate (Pages 40 –42) Power Lamp Warning Lamp (Green) (Red) Speed Selector Power Switch Switch (Page 41) (Pages 40 and 41) 2.4.

  • Page 35: Nickel Metal Hydride Battery (Jwb2)

    2.5. Nickel Metal Hydride Battery (JWB2) Indicator Switch Grip (Handle) (Pages 37, 55, 57, 59) Release Button (Yellow) (Page 46) Capacity Indicator Lamp (Pages 37, 55, 57 and 59) Battery Fuse (Yellow 20 A) Contacts (Page 37) A code indicating the model (JWB2) and the manufactured lot is printed.

  • Page 36: Nickel Metal Hydride Battery Charger (Jwc-2)

    2.6. Nickel Metal Hydride Battery Charger (JWC-2) Intake Vent Contacts (4 locations) Power Cord (Page 58) Battery Insertion Slot (Page 58) Charge Lamp (Green) (Pages 58 and 62) TYPE:JWC-2 Refresh Lamp (Orange) For indoor use only (Pages 58, 60, 62) CHARGING REFRESH The label on the reverse...

  • Page 37: Lithium Ion Battery (Esb1)

    2.7. Lithium Ion Battery (ESB1) Grip (Handle) Indicator Switch Capacity Indicator Lamp (Pages 37, 63, 67, 68) (Pages 37, 63, 65, 67, 68) Contacts (Page 37) Connector Cover (Pages 67 and 68) Connector for Charger (Pages 67 and 68) Manufactured Date Displayed (Bottom) (Page 66) Shows the model.

  • Page 38: Lithium Ion Battery Charger (Esc1)

    2.8. Lithium Ion Battery Charger (ESC1) Handle Power Plug Charger Plug (Pages 67 and 68) (Pages 67 and 68) Charge Lamp (Page 69) The model (ESC1) is shown on the label on reverse side.

  • Page 39: Before Sitting In The Wheelchair

    Check the safety wheels of the anti-tip device to ensure that they are in the correct position for operation. For JWX-1 24" • Move the anti-tip device as shown in the figure to ensure that it is locked in position.
  • Page 40 Rear tire in the tire. (Check by pressing the tire with your finger.) If not enough, pump up to 450 kPa for JWX-1 24” or 345 kPa for JWX-1 16”. (3) Parking brakes Check to make sure that the parking brakes are applied.
  • Page 41 Wheels Check the wheels to ensure that they are not deformed or damaged. Check the area where the wheel Wheel meets the frame to ensure that Caster Spokes Wheel it does not wobble. Caster fork Check the spokes to ensure that they are not broken.

  • Page 42: Checking Your Clothing

    3.2. Checking Your Clothing Wear bright-colored, easily visible clothing when operating the wheelchair. Do not operate the wheelchair while wearing clothing that is not suitable for wheelchair use. Refer to “1.5.5. General Operation” (Page 11). WARNING Do not travel with clothing that are not safe for wheelchairs. If you drive the wheelchair with such clothing, you or other people in your surrounding may become injured.
  • Page 43 < How to install a lithium ion (Li-ion 00) battery> 1 Pull the grip down to the Insert the battery. Turn off the power switch. side. 2 Firmly insert the battery. Grip WARNING Do not drop or apply an impact to the battery. This may cause the battery to become damaged, overheat, or rupture.

  • Page 44: Riding The Wheelchair

    When operating the JWX-1 16", have the assistant shift the left and right clutch levers. Even if there is no assistant, the individual in the wheelchair should still not shift the clutch levers.

  • Page 45: Moving The Wheelchair

    While traveling, if the load on the motor is too great, a buzzer (long Pi—, Pi—) sounds continuously. (a) Is the live load too great? The maximum load is 125 kg for JWX-1 24" and 100 kg for JWX-1 16". Do not exceed the maximum load. (b) Are you trying to go up a steep slope? The practical climbing angle is 6 degrees.

  • Page 46: Adjusting And Confirming The Maximum Speed

    4.3. Adjusting and Confirming the Maximum Speed With the speed selector switch, you can adjust and confirm the maximum speed. Move the switch up to increase the speed, and down to decrease it. Perform the following steps to adjust the maximum speed. Speed Move the speed selector switch up or selector...

  • Page 47: Checking The Residual Capacity Of The Battery During Operation

    4.4. Checking the Residual Capacity of the Battery during Operation During operation, you can always check the residual capac- Empty Full ity of the battery from the battery residual capacity indicator lamp and the warning lamp on the controller. Battery Residual Battery warning Capacity Indicator lamp...

  • Page 48: Practicing Basic Operations

    4.6. Practicing Basic Operations Practice the basic operations on a safe, large, level ground. Basic Operations 1 In the beginning, adjust the maximum speed to a slow speed and learn how to use the joystick. • Tilt the joystick in the direction you want to go. •...
  • Page 49 Practice in an actual location where you intend to use the wheelchair. Basic Operations 2 1 Sidewalk • Be careful not to bump into pedestrians and obstructions. • Adjust your operation to suit the road surface conditions. 2 Up and down a level difference •...

  • Page 50: After You Are Finished Riding The Wheelchair

    After You are Finished Riding the Wheelchair 5.1. Getting out of the Wheelchair Park the wheelchair on a flat location. Turn off the power switch. Apply the parking brakes. (The left and right clutch levers should be in the power drive position) Get off the wheelchair onto a bed, etc.

  • Page 51: Removing The Battery

    5.2. Removing the Battery Disconnect the battery from the wheelchair. Store the battery with the protective cap on it. < How to remove a nickel metal hydride (Ni-MH) battery> Disconnect the battery by Store the battery with the Turn off the pulling it straight outwards while protective cap on it.

  • Page 52: How To Use The Assistant Controller

    How to Use the Assistant Controller Even if you are using the wheelchair with assistive operation, read “3. Before Sitting in the Wheel- chair”, “4. Riding the Wheelchair”, “5. After You are Finished Riding the Wheelchair”. 6.1. Getting in the Wheelchair Have the user get in the wheelchair according to “4.1.
  • Page 53 Adjust the speed as necessary. Turn the speed adjustment dial clockwise to increase speed, and counterclockwise to decrease speed. In the beginning, adjust it to a low speed. Gradually adjust the Slow Fast speed after you become accustomed to the operation. The speed can be adjusted steplessly within the range of 1.1 to 4.9 km/h forward and 0.4 to 1.9 km/h backward.
  • Page 54 If the power does not turn on Is the power for the controller turned on? If the power for the controller is turned on, the power for the assistant controller will not turn on. In this case, turn off the power switches on both controllers, and turn on the power for the assistant controller.

  • Page 55: After Assistant Operations Are Finished

    6.3. After Assistant Operations are Finished Park the wheelchair on a flat location. Turn off the power switch. Power Switch Apply the parking brakes. Set the left and right clutch levers in the power drive position. Have the user get off the wheelchair. Disconnect the battery from the wheelchair.

  • Page 56: Handling The Batteries And Chargers

    Handling the Batteries and Chargers 7.1. Types of Batteries There are two types of batteries you can use for JWX-1. Since the batteries differ in characteristics and charging method, first check the battery type you want to use. Check the label on the battery.

  • Page 57: Warnings And Notes For Battery Handling

    7.3. Warnings and Notes for Battery Handling WARNING If you mishandle either of these batteries or their chargers, it may result in heat generation, rupture, electric shock, or injury. Be sure to adhere to the items below. If the battery or the charger is deformed or has an unusual odor, or if you notice any other abnormality, do not use the battery.
  • Page 58 WARNING If you mishandle either of these batteries or their chargers, it may result in heat generation, rupture, electric shock, or injury. Be sure to adhere to the items below. Do not short the terminals of the battery with wires or other metals.
  • Page 59 WARNING If you mishandle either of these batteries or their chargers, it may result in heat generation, rupture, electric shock, or injury. Be sure to adhere to the items below. Do not use the charger outdoors or near any flam- mable object.

  • Page 60: Nickel Metal Hydride Battery And Charger

    Nickel Metal Hydride Battery and Charger 8.1. Features of the Nickel Metal Hydride Battery (JWB2) • Equipped with Battery Management Control System (BMC). (built-in microprocessor) This is an internal microcomputer system that uses a computer to track charge/dis- charge status, operating conditions, and temperature. •...

  • Page 61: Characteristics And Handling Of The Nickel Metal Hydride Battery (Jwb2)

    8.3. Characteristics and Handling of the Nickel Metal Hydride Battery (JWB2) Ambient temperatures Depending on the ambient temperature, the distance that can be traveled be- comes shortened. In order to maximize the battery’s performance, it is recommended that you use the battery under the following conditions.
  • Page 62 (3) Battery’s deterioration characteristics All batteries are consumables. A battery gradually deteriorates and its capacity decreases over time and with use. The extent to which the capacity decreases by deterioration depends on the use condi- tions. For a nickel metal hydride battery, it’s capacity will decrease to approximately 60% of that of a new battery after 300 charge/discharge cycles, under normal use.

  • Page 63: How To Charge The Nickel Metal Hydride Battery (Jwb2)

    8.4. How to Charge the Nickel Metal Hydride Battery (JWB2) Insert the power cord to the dedicated char- ger (JWC-2) and plug into the residential power outlet. Insert the battery into the charger as shown in the diagram. Charge lamp (green) on the charger turns CHARGING REFRESH on, and the battery starts charging.
  • Page 64 Check to ensure that charging is com- plete. When charging is complete, the battery ca- pacity indicator lamp and the charge lamp (green) on the charger turn off. CHARGING REFRESH Charging complete All lamps turn off Charging complete All lamps turn off After charging complete, you can check the 80 –...

  • Page 65: Refresh Charging The Nickel Metal Hydride Battery (Jwb2)

    8.5. Refresh Charging the Nickel Metal Hydride Battery (JWB2) A refresh charging is required on a nickel metal hydride battery to eliminate the memory ef- fect. When the battery is inserted to the charger, if the refresh lamp on the charger flashes, press the refresh switch to perform a refresh charge cycle.

  • Page 66: The Temperature Of The Nickel Metal Hydride Battery (Jwb2) During Charging

    8.6. The Temperature of the Nickel Metal Hydride Battery (JWB2) during Charging Charge the battery in an environment with a temperature of 10 to 25°C (50 to 77°F). • To protect the battery, if the internal temperature of the battery is under 0°C (32°F) or over 40°C (104°F), charging does not start.

  • Page 67: Charger (Jwc-2) Indicator Lamps

    8.7. Charger (JWC-2) Indicator Lamps Charge lamp (green) is on CHARGING REFRESH Indicates normal charging. The charge lamp will turn off after charging is completed. Charge lamp (green) is flashing CHARGING REFRESH Charge standby • When the temperature of the battery is not within the chargeable range (0 to 40°C, 32 to 77°F), the charger enters a standby state and the charge lamp (green) starts flashing.

  • Page 68: Lithium Ion Battery And Charger

    Lithium Ion Battery and Charger 9.1. Features of the Lithium Ion Battery (ESB1) • Has a higher energy capacity compared to the nickel metal hydride battery. • Equipped with Battery Management Control System (BMC). (built-in microprocessor) This is a system that uses a computer to track charge/discharge status, operating conditions, and temperature.

  • Page 69: Characteristics And Handling Of The Lithium Ion Battery (Esb1)

    9.3. Characteristics and Handling of the Lithium Ion Battery (ESB1) Ambient temperatures Depending on the ambient temperature, the distance that can be traveled be- comes shortened. In order to maximize the battery’s performance, it is recommended that you use the battery under the following conditions. When in use on the wheelchair: Temperature range between 0 to 35°C (32 to 95 °F) When removed from wheelchair and stored:...
  • Page 70 Battery’s deterioration characteristics All batteries are consumables. A battery gradually deteriorates and its capacity decreases over time and with use. The extent to which the capacity decreases by deterioration depends on the use condi- tions. Even if a battery is not used, when it is stored over a long period of time, it will deteriorate and its capacity will decrease.
  • Page 71 If you forget the date you started to use the lithium ion battery. ’ The battery s manufactured date is printed on its bottom. Use it as a reference. 130425 Manufactured April(4) 25, 2013 • The start date of battery usage is defined as the date the user charged the battery for the first time after shipment from the factory.

  • Page 72: How To Charge The Lithium Ion Battery (Esb1)

    9.4. How to Charge the Lithium Ion Battery (ESB1) There are two ways to charge the battery; by removing it from the wheelchair (tabletop charging), or while it is still attached to the wheelchair (on-vehicle charging). Charging the Battery out of the Unit (Tabletop Charging) 1 Check that the protective cap is on the battery.
  • Page 73 Charging the Battery Attached to the Wheelchair (On-vehicle Charging) 1 Prepare for charging. Remove any bags and luggage from the backrest, and anything else that can potentially tangle the charge cable. Park the wheelchair indoor on a level floor, apply the parking brakes, and set the left and right clutch levers in the power driver position.

  • Page 74: The Temperature Of The Lithium Ion Battery (Esb1) During Charging

    9.5. The Temperature of the Lithium Ion Battery (ESB1) during Charging Charge the battery in an environment with a temperature of 10 to 25°C, (50 to 77°F) • To protect the battery, if the internal temperature of the battery is under 0°C (32°F) or over 40°C (104°F), charging does not start.

  • Page 75: Wheelchair Transporting And Storing Instructions

    10. Wheelchair Transporting and Storing Instructions Please refer to the Warnings in “1.5.15. Transporting and Storing the Wheelchair” on page 23 to 25. 10.1. Loading the Wheelchair in a Car Turn off the power of the wheelchair. Remove the battery. Be sure to remove the battery from the wheelchair so that its power will not turn on unexpectedly during transport.
  • Page 76 WARNING Be sure to store the disconnected battery with the protective cap on it. Exposed contacts can cause short circuits and lead to a fire or battery rupture. Protective cap Load the wheelchair into the car. Gently load the wheelchair by holding the frame portion with both hands.

  • Page 77: Unloading The Wheelchair From A Car

    10.2. Unloading the Wheelchair from a Car Unload the wheelchair from the car. Reattach the removed parts, detached units back to their original places, and unfold the wheelchair. Check that the parking brakes are applied. Check that the anti-tip device is in the correct position. When unloading: •...

  • Page 78: Storing The Wheelchair

    10.3. Storing the Wheelchair Apply the parking brakes and set the left and right clutch levers in the power drive position. Turn off the power and remove the battery. Store the wheelchair indoors where there is less humidity. To wipe off dirt or spots before storing, use a tightly wrung-out towel.

  • Page 79: Boarding An Airplane

    10.4. Boarding an Airplane Once your plane trip has been determined, inform your airline company in advance, that you will be using an electric wheelchair, and follow their instructions. At this time, provide the airline company with details of your wheelchair. In particular, see the specifications for the battery you are using, below: Nickel metal hydride battery (shown as “Ni–MH”...

  • Page 80: Using The Wheelchair More Comfortably

    11.1. Removing and Installing the Unit The power units of the JWX-1 can be removed from the frame when replacing the current wheels with manual wheels or when transporting the wheelchair. Removing the power units from the frame 1 Turn off the power and remove the battery.
  • Page 81 6 While holding the hub with both hands and pushing the middle of the center cap “a” with your fingers, pull out each power unit using both hands. Installing the power units to the frame 1 Place the wheelchair so that it will not become unstable.

  • Page 82: Anti-Tip Device

    11.2. Anti-tip Device The anti-tip device of the JWX-1 24" can be folded. The anti-tip device of the JWX-1 16" can switch the safety wheels to an upward-facing position. Do so when going over bumps with the assistant operations.
  • Page 83 Turn the anti-tip device outward without touching the lock lever until you hear a click. Make sure that the anti-lock device is locked in position. For JWX-1 16" Placing the safety wheels in an upward-facing position 1 Press in the the lock pin on the underside Lock pin with your finger.

  • Page 84: Controller

    WARNING Operating the wheelchair when the anti-tip device is removed or not in the correct position may cause a rollover. Make sure you operate the wheelchair with the safety wheels facing downwards. Only have the safety wheels facing upwards when going over bumps with the assistant operations and other such situations.
  • Page 85 Adjusting the heaviness of the joystick on the controller You can adjust the heaviness of joystick. (This is set to the lightest setting at the time of shipment.) Request this adjustment to your dealer. Range of adjustment: 1.4 N (0.14 kgf · 0.3 lbf) to 2.4 N (0.24 kgf ·...
  • Page 86 To return the controller to its original position, reverse the procedure. Make sure that the controller is locked in position. Alternately, you can pull out the controller from the holder while pulling the lock lever of the controller “a”. WARNING Do not retract or pull out the controller from holder with the power on, and do not turn on the power after retracting or pulling out it.

  • Page 87: Assistant Controller (Optional)

    You can adjust the angle in the direction of the arrow. 11.5. Setting Parameters The settings of the features and characteristics of JWX-1 can be changed to fit your usage. These changes are performed by changing the “parameter settings”. Consult with your dealer on changing the parameter settings.
  • Page 88 3 Electromagnetic brake operation timing selection This function adjusts the time until the electromagnetic brake is applied after the wheelchair stops. Default setting ..The electromagnetic brake is applied immediately after the wheelchair stops. Setting 1 .....The electromagnetic brake is applied 10 seconds after the wheelchair stops.

  • Page 89: Maintenance, Daily Check, Periodic Inspection

    12. Maintenance, Daily Check, Periodic Inspection It is recommended that the JWX-1 and the JoyUnitX be inspected periodically at the dealer. (Inspection is fee-based) To ensure long-term durability, we recommend that your perform regular inspections every 6 months after initial use.

  • Page 90: Maintenance

    12.1. Maintenance [Cleanup] If the JWX-1 becomes dirty due to normal use, use a tightly wrung-out towel to wipe off any dirt. If the dirt is excessive, use a towel and neutral detergent to remove the dirt. After removing the dirt, be sure to wipe off any remaining detergent.
  • Page 91 When requesting repairs, do not send the wheelchair directly. First, contact the dealer. The estimated life of the JWX-1 is 5 years. Parts that are necessary for repairs will be avail- able for 5 years after the production of the JWX-1 has ended.

  • Page 92: Daily Checks

    If any problems are found, have the dealer repair the wheelchair. 12.3. Quit to use JWX-1 and Recycling When you quit to use and quit hold of JWX-1, for recycling, contact your local government first and follow their instructions. Or contact your dealer.

  • Page 93: Dimensions And Specifications

    Minimum Reversing Space Width *2 The value is the load capacity for the JWX-1. When the wheelchair is completely assembled, the total weight of the rider and luggage must not exceed the load capacity of the wheelchair frame. If the wheelchair is operated continuously with a load that exceeds this value, the product could malfunction or be damaged, or its life could be shortened.
  • Page 94 Battery and Charger Nickel-Metal Hydride Lithium-ion Model JWB2 ESB1 Rechargeable Dry Battery Type with built in microprocessor Battery Nominal output voltage 24 V 25 V Rated output (5-hour rate) 6.7 Ah (160.8 Wh) 11.8 Ah (280 Wh) Model JWC-2 ESC1 Automatic Charging Charging method controlled by the microprocessor...

  • Page 95: Troubleshooting

    14. Troubleshooting If you have flat tires, contact your dealer. The tire structure of JWX-1 is same to bicycle tires. Most of cycle shops can repair the flat tires. 14.1. Before Requesting Repairs Check the troubleshooting table below. When Operating the Wheelchair...
  • Page 96 Controller Lamp Problem Buzzer Check Point What To Do Power Warning Is the air pressure of the tires too Inflate the tires. low? Sluggish Power lamp manual travel (green) is on Are the brakes engaged on the wheel- Release the brakes. chair? Assistant Power lamp...
  • Page 97 Lamp on Charger Lamp on Battery Problem Check Point What To Do Charge Residual capacity Refresh indicator Lamp display Residual capacity The charger is being cooled. The The charger Is there a sound of the cooling fan varies with the indicator lamps fan may turn or stop depending on emits a sound...

  • Page 98: Requesting Repairs And Inspections

    The warranty period for the JWX-1 is 1 year from the date of purchase. During this warranty period, if there is a material or manufacturing defect in the JWX-1 that you have purchased, the defective parts will be replaced or repaired free of charge. The warranty covers the power unit, controller, assistant controller, and charger.
  • Page 99 Note...

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