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Nutron® Series R32™, R32 DEALER: This manual MUST be given to the user of the wheelchair. USER: BEFORE using this wheelchair, read this manual and save for future reference. For more information regarding Invacare products, parts, and services, please visit www.invacare.com...
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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. NOTE: Updated versions of this manual are available on www.invacare.com.
TABLE OF CONTENTS REGISTER YOUR PRODUCT ... 6 SPECIAL NOTES ... 9 TYPICAL PRODUCT PARAMETERS ... 10 SECTION 1—GENERAL GUIDELINES ... 11 Repair or Service Information ...11 Operating Information...11 Tire Pressure ...12 Electrical Accessories ...12 Grounding Instructions ...13 Batteries...13 Charging Batteries ...13 Rain Test...14 Weight Training ...14 Weight Limitation...14...
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TABLE OF CONTENTS SECTION 5—WHEELCHAIR OPERATION ... 27 Operating the Wheelchair...27 Turning the Power On/Off ...27 Using the Joystick to Drive the Chair ...28 Using the Horn ...28 SPJ™ Joystick Switches and Indicators...29 Multi-Function Charger Port...29 On/Off Toggle Switch ...29 Speed Control Knob ...29 Joystick...29 Information Gauge Display ...29...
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TABLE OF CONTENTS SECTION 9—UPHOLSTERY/SEAT POSITIONING STRAP ... 41 Replacing Seat Upholstery...41 Replacing Back Upholstery ...41 Replacing Seat Positioning Strap ...42 SECTION 10—JOYSTICK ... 44 Preparing the Joystick For Use...44 Repositioning the Joystick...45 SECTION 11—CASTERS ... 46 Adjusting Forks ...46 SECTION 12—BATTERIES ...
3. Receive updates with product information, maintenance tips, and industry news. 4. Invacare can contact you or your provider, if servicing is needed on your product. 5. It will enable Invacare to improve product designs based on your input and needs.
11. User's Year of birth: ______________________________________________________ If at any time you wish not to receive future mailings from us, please contact us at Invacare Corporation, CRM Department, 39400 Taylor Parkway, Elyria, OH 44035, or fax to 877-619-7996 and we will remove you from our mailing list.
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.
TYPICAL PRODUCT PARAMETERS SEAT WIDTH RANGE SEAT DEPTH RANGE BACK HEIGHT RANGE STANDARD SEAT-TO-FLOOR OVERALL WIDTH OVERALL HEIGHT LOW SEAT ADULT OVERALL LENGTH WEIGHT W/O BATTERIES AND FRONT RIGGINGS W/ BATTERIES AND PW93 FRONT RIGGINGS UI GEL CELL (14-INCH CHAIRS) 22NF GEL CELL (16, 18 OR 20 INCH CHAIRS) SHIPPING DRIVE WHEELS/TIRES...
SECTION 1—GENERAL GUIDELINES SECTION 1—GENERAL GUIDELINES Repair or Service Information Set‐up of the Electronic Control Unit is to be performed ONLY by individuals certified by Invacare. The final adjustments of the controller may affect other activities of the wheelchair. Damage to the equipment could occur under these circumstances. If non‐certified individuals perform any work on these units, the warranty is void. Operating 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 re‐enter set‐up specifications. Repeat this procedure until the wheelchair performs to specifications. DO NOT shift your weight or sitting position toward the direction you are reaching as the wheelchair may tip over. DO determine and establish your particular safety limits by practicing bending, reaching and transferring activities in the presence of a qualified healthcare professional BEFORE attempting active use of the wheelchair. DO NOT attempt to reach objects if you have to move forward in the seat. DO NOT attempt to reach objects if you have to pick them up from the floor by reaching down between your knees. DO NOT lean over the top of the back upholstery to reach objects from behind as this may cause the wheelchair to tip over. DO NOT use an escalator to move a wheelchair between floors. Serious bodily injury may occur. Before attempting to transfer in or out of the wheelchair, every precaution should be taken to reduce the gap distance. Turn both casters parallel to the object you are transferring onto. Also be certain the power is off and the wheel locks are engaged to prevent the wheels from moving.
SECTION 1—GENERAL GUIDELINES DO NOT attempt to lift the wheelchair by lifting on 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. 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 the ON/OFF switch on the joystick is in the off position. 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. Avoid storage or use near external flame or combustible products. DO NOT engage or disengage the motor locks/clutches until the power is in the OFF position. DO NOT operate on roads, streets or highways. 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 use the footplates as a platform. When getting in or out of the wheelchair, make sure that the footplates are in the upward position or swing footrests towards the outside of the chair. Anti‐tippers MUST be used at all times. When outdoors on wet, soft ground or gravel surfaces, anti‐tippers may not provide the same level of protection against tipover. Extra caution must be observed when traversing such surfaces. Tire Pressure DO NOT use your wheelchair unless it has the proper tire pressure (p.s.i.). DO NOT overinflate the tires. Failure to follow these suggestions may cause the tire to explode and cause bodily harm. The recommended tire pressure is listed on the side wall of the tire. Electrical Accessories EXTREME care should be exercised when using oxygen in close proximity to electric ...
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. 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. Batteries The warranty and performance specifications contained in this manual are based on the deep cycle gel cell 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 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. 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. After charging batteries, ALWAYS make sure that the battery charger cord is unplugged. Failure to do so may result in damage to the cord or personal injury to the user or bystanders. Use of improper extension cord could result in risk of fire and electric shock. When using an extension cord, use only a three (3) wire extension cord having at least 16 AWG (American Wire Gauge) wire and the same or higher electrical rating as the device ...
SECTION 1—GENERAL GUIDELINES 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. Three (3) prong to two (2) prong adapters should not be used. Use of three (3) prong adapters can result in improper grounding and present a shock hazard to the user. Rain Test Invacare has tested its power wheelchairs in accordance with ISO 7176 Part 9 “Rain Test”. This provides the end user or his/her attendant 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 or leave it in a damp bathroom while taking a shower. DO NOT leave power wheelchair in a damp area for any length of time. Direct exposure to rain or dampness will cause the chair to malfunction electrically and mechanically; may cause the chair to prematurely rust. Check to ensure that the battery covers 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 joystick if the 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 Nutron R32 and R32LX have a weight limitation, including the seating system, of 250 lbs. Refer to Percentage of Weight Distribution on page 21. Invacare recommends that only heavy‐duty wheelchairs be used for individuals weighing more than 250 lbs. Further, the activity level of the individual wheelchair user is important. For instance, a 170 lbs active wheelchair user could subject the wheelchair to more stress than a 250 lbs user. Invacare recommends that very active users consider using heavy‐duty wheelchairs.
SECTION 2—EMI INFORMATION 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...
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EMI (as of May 1994) (the higher the level, the greater the protection); 2) 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 RFI immunity levels. Nutron® Series WARNING...
“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.
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. DO NOT attempt to lift the wheelchair by any removable (detachable) parts. Lift- ing by means of any removable (detachable) parts of a wheelchair may result in injury to the user or damage to the wheelchair. Also, be aware of detachable parts such as arms or leg‐rests. These must NEVER be used ...
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 (2) assistants and making thorough preparations. Make sure to use only secure, non-detachable parts for hand-hold supports.
6. The wheelchair should not be lowered until the last stair has been negotiated and the wheelchair has been carried away from the stairway. Escalators DO NOT use an escalator to move a wheelchair between floors. Serious bodily injury may occur. Transferring To and From Other Seats ALWAYS turn the wheelchair power OFF and engage the clutches 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 turning both casters parallel to the object you are transferring onto.
Transfer to and from the wheelchair in the presence of a qualified healthcare professional to determine individual safety limits. Invacare strongly recommends ordering the wheel locks as an additional safeguard for the wheelchair user.
SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS 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 FIGURE 3.3. 1. Position wheelchair as close as possible to the desired object. 2. Point the front casters as far forward as possible to create the longest possible wheelbase.
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING NOTE: Every six (6) months or as necessary take your wheelchair to a qualified technician 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 Initial adjustments should be made to suit your personal body structure needs and preference. Thereafter follow these maintenance procedures: Inspect/Adjust Initially ❑ Ensure wheelchair rolls straight (no excessive drag or pull to one side). ❑ Ensure arms are secure but easy to release and adjustment levers engage properly. ❑ Ensure adjustable height arms operate and lock securely. ❑ Ensure arm pivot points are free of wear and looseness. ❑ Inspect seat and back upholstery for rips or sagging. ❑ Ensure armrest pads sit flush against arm tubes. ❑ Ensure seat release latch is functional. Replace if necessary. ❑ Ensure wheel mounting bolts are secure on drive wheels. ❑ Ensure no excessive side movement or binding when drive wheels are lifted and spun when disengaged (freewheeling). ❑ Ensure wheel/fork assembly has proper tension when caster is spun. Caster should come to a gradual stop. As with any vehicle, wheels and tires should be checked periodically for cracks and wear and should be replaced as necessary.
Inspect/Adjust Monthly ❑ Ensure arm pivot points are free of wear and looseness. ❑ Ensure wheel mounting bolts are secure on drive wheels. ❑ Ensure no excessive side movement or binding when drive wheels are lifted and spun when disengaged (free‐wheeling). ❑ Ensure wheel/fork assembly has proper tension when caster is spun. Caster should come to a gradual stop. As with any vehicle, wheels and tires should be checked periodically for cracks and wear and should be replaced as necessary. ❑ Loosen/tighten caster locknut if wheel wobbles noticeably or binds to a stop. ❑ Ensure all caster/wheel/fork/headtube fasteners are secure. ❑ Inspect for any loose hardware on the wheelchair. ❑ Inspect seat positioning strap for any signs of wear. Ensure buckle latches. Verify hardware that attaches strap to frame is secure and undamaged. Replace if necessary.
Electrical malfunction. after recharging. Part No.1106644 PROBABLE CAUSE Have batteries checked for shorted cell. Replace if necessary. Contact Dealer/Invacare for service. Check batteries for shorted cell. Replace if necessary. Contact Dealer/Invacare for service. Contact Dealer/Invacare for service. Have charger checked.
Checking Battery Charge Level The following “Do’s” and “Don’ts” are provided for your convenience and safety. DON’T Don’t perform any installation or maintenance without first reading this manual. Don’t perform installation or maintenance of bat- teries in an area that could be damaged by bat- tery spills. Don’t make it a habit to discharge batteries to the lowest level.
NOTE: For this procedure, refer to FIGURE 5.1. 1. Turn the power on by moving the on/off switch up or down. The switch automatically retracts back to center position. NOTE: After turning power on, all indicators will light briefly, and the display gauge will indicate one of the following: A. The Current Battery Charge ‐ Information gauge shows all LEDʹs lit or partial LEDʹs lit. B. Out Of Neutral at Power Up ‐ Information Gauge shows all LEDʹs flashing slowly. This occurs when the power is turned on when the joystick is out of neutral. This feature prevents sudden and unexpected movements of the power chair. 2. Turning the power off can be achieved by moving the on/off switch up or down. The switch automatically retracts back to center position. Part No.1106644 WARNING INVACARE FIGURE 5.1 Operating the Wheelchair Information Gauge On/Off Toggle Switch Nutron® Series...
Using the Joystick to Drive the Chair NOTE: For this procedure, refer to FIGURE 5.2. The joystick is located at the front of the joystick housing and provides smooth control of speed and direction. It is equipped with 360 degrees of mobility for ease of operation. The joystick is spring‐loaded, and automatically returns to the upright (neutral) position when released. Pushing the joystick in a given direction causes the chair to move in that direction. The joystick has proportional drive control, meaning that the further the joystick is pushed from the upright (neutral) position, the faster the wheelchair moves. The maximum speed, however, is limited by the setting of the speed control knob. To slow the wheelchair to a stop, simply release the joystick. The wheelchair has automatic speed and direction compensation to minimize corrections. When first learning to drive, select a SLOW speed and try to drive the wheelchair AS SLOWLY as possible by pushing the joystick slightly forward. This exercise will help you learn to utilize the full potential of the proportional control and allow you to start and stop smoothly. To drive the wheelchair, perform the following: 1. Adjust speed control knob to the appropriate setting. 2. Turn the power on. Refer to Turning the Power On/Off on page 27. 3. Move the joystick in the following manner: MOVEMENT FORWARD REVERSE Turn RIGHT Turn LEFT STOP Using the Horn NOTE: For this procedure, refer to FIGURE 5.2. ...
SPJ™ Joystick Switches and Indicators NOTE: For the following information, refer to FIGURE 5.3. Multi-Function Charger Port Located at the front of the joystick housing. This provides easy access for charging the wheelchair batteries. This port also serves as the Remote Programmer Communication connection. On/Off Toggle Switch This toggle switch is located at the back of the joystick housing. Speed Control Knob The speed control knob is located on the back of the joystick housing. This rotary switch is used for controlling the speed and acceleration of the wheelchair. 1. Turn the knob clockwise to increase the speed of the wheelchair. 2. Turn the knob counterclockwise to decrease the speed of the wheelchair. Joystick The joystick has proportional drive control, meaning that further the wheelchair is pushed from the upright (neutral) position, the faster it moves. Your top speed, however, is limited by the setting of the speed‐control knob and programmed settings. To slow the wheelchair to a stop, simply release the joystick. The wheelchair has automatic speed and direction compensation to minimize corrections. Information Gauge Display Located on the front of the joystick housing, it provides the following information to the ...
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The Information Gauge display also serves as a system diagnostic device when a fault is detected by the control module. A specific number of flashes of the LEDs indicates the type of fault detected. Refer to the following table of the diagnostic indications of the wheelchair status. DISPLAY DESCRIPTION All three (3) LEDs are off. INVACARE All three (3) LEDs are on. INVACARE RED LED is flashing. INVACARE Left to Right “chase” alter- nating with steady display. INVACARE GREEN LED is flashing. INVACARE All LEDs are flashing slowly.
SECTION 6—FRONT RIGGINGS SECTION 6—FRONT RIGGINGS WARNING After ANY adjustments, repair or service and BEFORE use, make sure that all attaching hardware is tightened securely - otherwise injury or damage may result. Installing/Removing the Footrests NOTE: For this procedure, refer to FIGURE 6.1. Installing 1. Turn footrest to the side (open footplate is perpendicular to wheelchair) and position mounting holes in the footrest hinge plates with hinge pins on the wheelchair frame.
Adjusting the Footrest Height Model PW93, PW93E, and PW93ST Footrests NOTE: For this procedure, refer to FIGURE 6.2. 1. Remove any accessory from the footrest(s). 2. Remove the footrest from the wheelchair. Refer to Installing/Removing the Footrests on page 31. NOTE: Lay footrest on a flat surface to simplify procedure. 3. Remove the hex bolt, coved washers and locknut that secure the lower footrest to the footrest support. 4. Reposition the lower footrest to the desired height. 5. Reinstall hex bolt, coved washers and locknut that secure lower footrest to footrest support. Tighten securely. 6. Repeat STEPS 1‐5 for the other footrest, if necessary. 7. Reinstall the footrest(s) onto the wheelchair. Refer to Installing/Removing the Footrests on page 31. 8. Reinstall any accessory onto the footrest(s). Locknut Coved Washer NOTE: PW93ST style footrest shown. PW93 and PW93E footrests adjust the same way. FIGURE 6.2 Adjusting the Footrest Height - Model PW93, PW93E, and PW93ST Footrests Nutron®...
Model 93M, 904A, PAL4A, and PAS4A Footrests NOTE: For this procedure, refer to FIGURE 6.3. 1. Loosen, but do not remove the lug bolt and locknut that secure the lower footrest to the footrest support. 2. Reposition the lower footrest to the desired height. 3. Securely tighten the lug bolt and locknut that secure the lower footrest to the footrest support. 4. Repeat STEPS 1‐3 for the other footrest, if necessary. NOTE: 93M style footrest shown. 904A, PAL4A and PAS4A footrests adjust the same way. FIGURE 6.3 Adjusting the Footrest Height - Model 93M, 904A, PAL4A, and PAS4A Footrests Replacing Heel Loops NOTE: For this procedure, refer to FIGURE 6.4. 1. Note the position of hex bolt, coved washers and locknut for reinstallation.
Installing/Removing Elevating Legrests NOTE: For this procedure, refer to FIGURE 6.5. Installing 1. Turn legrest to side (open footplate is perpendicular to wheelchair) and position mounting holes in the legrest hinge plates with hinge pins on the wheelchair frame. 2. Install the legrest hinge plates onto the hinge pins on the wheelchair frame. 3. Rotate legrest toward the inside of the wheelchair until it locks in place. NOTE: The footplate will be on the inside of the wheelchair when locked in place. 4. Repeat STEPS 1‐3 for the other legrest. 5. After seated in wheelchair, adjust footplate to correct height by loosening nut and sliding the lower footrest assembly up or down until desired height is achieved. Removing 1. Push the legrest release handle toward the inside of the wheelchair (facing the front of the wheelchair) and swing the legrest to the outside of the wheelchair. 2. Lift up on the legrest and remove from the wheelchair. 3. Repeat STEPS 1‐2 for the other legrest. Raising/Lowering Elevating Legrests and/or Adjusting Calfpads NOTE: For this procedure, refer to FIGURE 6.6. Raising/Lowering Elevating Legrests 1.
Adjusting Calfpads 1. Turn calfpad towards the outside of the wheelchair. 2. Slide calfpad up or down until desired position is obtained. NOTE: If one (1) of the top two (2) calfpad adjustment positions is being used, the legrest will need to be raised to avoid interference with the front stabilizers while going over obstacles or going up and down ramps. Refer to Raising/Lowering Elevating Legrests on page 34. 3. Turn the calfpad toward the inside of the wheelchair. Release Lever Top Two (2) Calfpad Adjustment Positions FIGURE 6.6 Raising/Lowering Elevating Legrests and/or Adjusting Calfpads Adjusting/Replacing Telescoping Front Rigging Support NOTE: For this procedure, refer to FIGURE 6.7. NOTE: When adjusting the telescoping front rigging support depth, ensure the footplate does not interfere with the caster wheel rotation. 1. Lift up on the crossbraces until they release from the H‐blocks on the wheelchair frame. 2.
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4. Perform one (1) of the following: • Adjusting: NOTE: Telescoping front rigging supports may be extended up to 2‐inches from the wheelchair frame in 1‐inch increments. This adjustment does not effect seat depth. i. Position the telescoping front rigging support to the desired depth. • Replacing: i. Remove the existing telescoping front rigging support from the wheelchair frame. ii. Insert the new telescoping front rigging support into the wheelchair frame. iii. Position the telescoping front rigging support to the desired depth. NOTE: The footplate will be on the inside of the wheelchair when locked in place. 5. Using the front and rear socket bolts and two (2) locknuts, secure the telescoping front rigging support to the wheelchair frame as shown in FIGURE 6.7. 6. Using the long socket bolt and locknut, secure the H‐block and spacer to the wheelchair frame and the telescoping front rigging support as shown in FIGURE 6.7. 7. Snap crossbraces into H‐blocks. Wiggle crossbraces to make sure they are secured in the H‐blocks. 8. If necessary, repeat STEPS 1‐8 on remaining telescoping front rigging support. Wheelchair Frame Rear Socket Bolt Long Socket Bolt Front Socket Bolt FIGURE 6.7 Adjusting/Replacing Telescoping Front Rigging Support Nutron®...
SECTION 7—ARMS After ANY adjustments, repair or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Adjusting Armrest Height NOTE: For this procedure, refer to FIGURE 7.1. Make sure the height adjustment lever is in the locked position before using the wheelchair.
Using Swing-Back Arms Make sure the armrest release lever is in the locked position before using the wheel- chair. NOTE: For this procedure, refer to FIGURE 7.2. 1. Unlock the swing‐back arms by rotating the armrest release lever toward the outside of the wheelchair. 2. Pull the front of the swing‐back arm straight up/out of the arm socket and toward the rear of the wheelchair. 3. To use the swing‐back arm, push the swing‐back arm toward the front of the wheelchair and then downward into the arm socket. NOTE: Armrest release lever MUST be in the unlocked position when placing armrest into the arm sockets. 4. Lock the swing‐back arms by rotating the armrest release lever toward the inside of the wheelchair. Replacing Desk/Full Length Armrest Pad and/or Clothing Guards (Fixed Height Arms Only) NOTE: For this procedure, refer to FIGURE 7.3.
Mounting Screws Clothing Guard Mounting Screws FIGURE 7.3 Replacing Desk/Full Length Armrest Pad and/or Clothing Guards (Fixed Height Removing/Installing Armrest Make sure the armrest release lever is in the locked position before using the wheel- chair. NOTE: For this procedure, refer to FIGURE 7.4. Removing 1. Unlock the armrest by turning the armrest release levers towards the outside of the wheelchair.
SECTION 8—BACK After ANY adjustments, repair or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Adjusting the Back Height NOTE: For this procedure, refer to FIGURE 8.1. NOTE: Back canes must be adjusted to the same height. 1. R32 Model ONLY: Remove the two (2) bottom back upholstery mounting screws securing the back upholstery to the wheelchair frame. 2. Remove the two (2) mounting screws and locknuts that secure the two (2) back canes to the back cane mounting tube. 3. Reposition the back canes to the desired height adjustment position. 4.
SECTION 9—UPHOLSTERY/SEAT POSITIONING STRAP After ANY adjustments, repair or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Replacing Seat Upholstery NOTE: For this procedure, refer to FIGURE 9.1. 1. Remove the eight (8) phillips screws and washers that secure the existing seat upholstery to the crossbraces. 2. Remove existing seat upholstery from the crossbraces. 3.
4. Pull the loose back canes out of the existing back upholstery. 5. Slide the loose back canes into the new back upholstery. 6. Secure the back canes to the wheelchair frame with the mounting screws and locknuts removed in STEP 1. 7. Secure the new back upholstery to the back canes with the two (2) existing upholstery mounting screws and washers. Washer Upholstery Mounting Screws FIGURE 9.2 Replacing Back Upholstery Replacing Seat Positioning Strap NOTE: For this procedure, refer to FIGURE 9.3. 1. If necessary, remove the seat cushion from the seat upholstery. 2. Remove the two (2) rear phillips screws and washers that secure the seat upholstery and seat positioning strap to the crossbraces. 3. Remove the two (2) halves of the seat positioning strap from the crossbraces. 4. Position the two (2) new seat positioning strap halves between the seat upholstery and the crossbraces. 5. Reinstall the rear phillips screws and washers that secure the seat upholstery and seat positioning strap to the crossbraces. NOTE: Washer is positioned on top of seat upholstery. 6. If necessary, reinstall the seat cushion onto the seat upholstery. Nutron®...
SECTION 10—JOYSTICK After ANY adjustments, repair or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Preparing the Joystick For Use NOTE: For this procedure, refer to FIGURE 10.1. NOTE: The joystick is factory installed on the right side of the wheelchair. To reposition the joystick onto the left side of the wheelchair refer to Repositioning the Joystick on page 45. The joystick should be repositioned by a qualified technician. 1. Turn the adjustment lock lever to release the joystick mounting tube from the mounting bracket. 2.
Repositioning the Joystick NOTE: For this procedure, refer to FIGURE 10.2. 1. Turn the adjustment lock lever to release the joystick mounting tube from the mounting bracket. 2. Remove the joystick from the wheelchair. 3. Remove the three (3) hex screws that secure the halves (½) of the mounting bracket to the arm tube. 4. Reposition mounting bracket on opposite arm tube ensuring the threaded plate of the mounting bracket is on the inside of the arm tube as shown in FIGURE 10.2. 5. Using the three (3) hex mounting screws and washers, secure the halves (½) of the mounting bracket to the arm tube. 6. Slide the joystick mounting tube through the mounting bracket to the desired position. 7. Turn the adjustment lock lever to secure the joystick mounting tube into the mounting bracket. Washers Mounting Screws Adjustment Lock Lever FIGURE 10.2 Repositioning the Joystick Part No.1106644 Mounting Bracket (Threaded Plate) Tube Mounting...
SECTION 11—CASTERS After ANY adjustments, repair or service and BEFORE use, make sure that all attaching hardware is tightened securely - otherwise injury or damage may result. Before performing any maintenance, adjustment or service verify that ON/OFF switch on the joystick is in the OFF position. As with any vehicle, the wheels, casters and tires should be checked periodically for cracks and wear and should be replaced.
The use of rubber gloves and chemical goggles or face shields is recommended when working with batteries. Invacare strongly recommends that battery installation and battery replacement ALWAYS be done by a qualified technician. ALWAYS use a battery lifting strap when lifting a battery. It is the most convenient method and assures that the battery acid will not spill.
Recommended Battery Types The warranty and performance specifications contained in this manual are based on the use of deep cycle gel cell batteries. Invacare strongly recommends their use as the power source for this unit. Failure to use the correct battery size and/or voltage may cause damage to your wheelchair and give you unsatisfactory performance.
2. Remove the existing batteries from the battery boxes. Refer to Installing/Removing the Batteries Into/From the Battery Boxes on page 51. 3. Clean the new battery terminals. Refer to Cleaning Battery Terminals on page 60. 4. Install the new batteries into the battery boxes. Refer to Installing/Removing the Batteries Into/From the Battery Boxes on page 51 of this manual. 5. Install the battery boxes onto the wheelchair. Refer to Installing/Removing the Battery Boxes on page 49 of the manual. Installing/Removing the Battery Boxes NEVER unplug the battery cables by pulling on the wires. Unplug the battery cables by pulling on the connector ONLY. Otherwise injury or damage may result. NOTE: For this procedure, refer to FIGURE 12.2.
Detail “A” Battery Tray Front Battery Box Rear Battery Box Retaining Strap Clip Detail “B” (To Controller) Front Battery Box Connectors Rear Battery Box Connector Retaining Strap Clip FIGURE 12.2 Installing/Removing the Battery Boxes Installing/Removing the Battery Tray NOTE: For these procedures, refer to FIGURE 12.3. NOTE: To remove the battery tray from the wheelchair, reverse the following procedure.
The use of rubber gloves and chemical goggles or face shields is recommended when working with batteries. Invacare strongly recommends that battery installation and battery replacement ALWAYS be done by a qualified technician. After ANY adjustments, repair or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result.
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NOTE: Have the following tools available: TOOL Battery lifting strap 1/2-inch (6 pt) box wrench 7/16-inch (6pt) Box Wrench 3/8-inch (6pt) Box Wrench Diagonal cutters NOTE: The battery lifting strap supplied is for Group 22 batteries ONLY. Refer to the battery manufacturer for the proper lifting strap and/or battery tools for U1 battery removal/installation. NOTE: If there is battery acid in the bottom or on the sides of the battery box(es) or battery(ies), apply baking soda to these areas to neutralize the battery acid. Before reinstalling the new or existing battery(ies), clean the baking soda from the battery box(es) or battery(ies). NOTE: When securing battery lifting strap to battery, observe polarity markings located on the ends of the battery lifting strap, (+) side to POSITIVE (+) battery terminal/post and (‐) side to NEGATIVE (‐) battery terminal/post. 1. If necessary, remove the battery boxes from the wheelchair. Refer to Installing/Removing the Battery Boxes on page 49. 2. Secure the battery lifting strap to battery terminal(s)/post(s). Some battery manufacturers mold a carrying strap and/or hold down flanges directly into the battery case.
Connecting Battery Cables The use of rubber gloves and chemical goggles or face shields is recommended when working with batteries. NEVER allow any of your tools and/or battery cable(s) to contact BOTH battery terminal(s)/post(s) at the same time. An electrical short may occur and serious per- sonal injury or damage may occur.
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When connecting the battery cables to the battery(ies), the battery cable(s) MUST be connected to the battery terminal(s)/post(s) as shown in Detail “A” or Detail “B” of FIGURE 12.6 (depending on battery type). Otherwise, damage to the battery cable can result when battery terminal caps are installed. 2.
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NEGATIVE (-) Battery 1/4-20 x 7/8-inch Hex Flange Screw POSITIVE (+) Battery Terminal/Post CONNECT CABLE RING TERMINAL TO THIS SIDE OF TERMINAL/POST Detail “B” - Dual Group 22 NF Batteries POSITIVE (+) Battery POSITIVE (+) Red Terminal/Post Battery Cable 1/4-20 Hex Flange Locknuts NEGATIVE (-) Black Battery Cable...
Battery Clamp Method The battery clamp of the POSITIVE (+) battery terminal/post MUST be mounted in the position shown in FIGURE 12.7, otherwise the battery box top cannot be installed properly. NOTE: For this procedure, refer to FIGURE 12.7, FIGURE 12.8 and FIGURE 12.9. Correct Orientation of the POSITIVE (+) Terminal/Post Clamp POSITIVE (+) Terminal/Post (Note position of clamp) Hex Nut...
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2. Install battery clamp covers onto battery cables (FIGURE 12.8) ‐ A. RED battery clamp cover onto RED battery cable. B. BLACK battery clamp cover onto BLACK battery cable. NOTE: Only one (1) battery cable and battery clamp cover are shown for clarity. Both battery clamp covers install in the same manner. Battery Clamp Cover FIGURE 12.8 Installing Battery Clamp Cover When connecting the battery cable/ring terminal(s) to the battery(ies) clamp(s), the battery cable(s) MUST be connected in the position shown in Detail “A” of FIGURE 12.9.
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POSITIVE (+) RED Cable NEGATIVE (-) BLACK Cable NOTE: Clamps exploded for clarification purposes only. Group 22NF Battery Detail “A” POSITIVE (+) Fuse box placement when box top is installed POSITIVE (+) Terminal/Post and Clamp FIGURE 12.9 Connecting Battery Cables -Battery Clamp Method Nutron® Series Exploded View NEGATIVE (-) Terminal/Post...
Replacing the Battery Box Retaining Strap NOTE: For this procedure, refer to FIGURE 12.10. The battery box retaining strap MUST be fastened securely and adjusted properly to hold battery boxes in place before using the wheelchair. 1. Remove the battery boxes from the wheelchair. Refer to Installing/Removing the Battery Boxes on page 49. 2. Remove the battery tray from the wheelchair. Refer to Installing/Removing the Battery Tray on page 50. The retaining strap MUST be fed through the adjustable end of the battery box retaining strap buckle as shown in FIGURE 12.10.
Adjustable End Retaining Strap Battery Tray FIGURE 12.10 Replacing the Battery Box Retaining Strap Cleaning Battery Terminals Most batteries are not sold with instructions. However, warnings are frequently displayed on the cell caps. Read them carefully. DO NOT allow the liquid in the battery to come in contact with skin, clothes or other possessions.
SECTION 12—BATTERIES Charging Batteries When To Charge Batteries NOTE: For this procedure, refer to FIGURE 12.11. Recharge the batteries frequently. Do not wait until the battery charge is low to recharge. A battery’s life is extended if the charge level is maintained well above a low condition. Information Gauge ‐ Located on the joystick housing. The information gauge is the primary source of user feedback. The true state‐of‐battery‐charge notification is as follows: Any GREEN LED lit ‐ Batteries are at full or well charged. Only AMBER and RED LEDs lit ‐ Batteries are moderately charged. Recharge before undertaking a long trip. Battery Discharge Indicator (BDI) Only RED LED lit ‐ Battery charge is low. Recharge as soon as possible. NOTE: Accurate readings are displayed when in neutral. FIGURE 12.11 When To Charge Batteries WARNINGS Never attempt to recharge the batteries by attaching cables directly to the battery terminals or clamps.
NOTE: If performing the charging procedures independently, READ and CAREFULLY follow the individual instructions for each charger (supplied or purchased). NOTE: If charging instructions are not supplied, consult a qualified service technician for proper procedures. Required items: TOOL QUANTITY Battery Charger Extension Cord* NOTE: 3‐prong plug, 15 ampere current rating; industrial type Connecting the Battery Charger NOTE: For this procedure, refer to FIGURE 12.12. 1. Attach the battery charger connector to the charger port on the front of the joystick. 2. Plug the charger’s AC power cord, or extension, into the grounded 120 VAC wall outlet. 3. Wait until charging is complete. NOTE: If the batteries need to be charged more often or take longer to charge than normal, they may need to be replaced. Contact an Invacare dealer for service. FIGURE 12.12 Charging Batteries Nutron® Series COMMENTS Supplied Not Supplied Charger Port Part No.1106644...
SECTION 13—CLUTCH/MOTOR LOCK After ANY adjustments, repair or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Engaging/Disengaging the Clutches DO NOT engage or disengage the clutches until the power is off. NOTE: For this procedure, refer to FIGURE 13.1.
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2. Perform one (1) of the following: • To Engage: turn the clutch handles until they are pointing toward the rear of the wheelchair. NEVER try to turn the clutch handles toward the front of the wheelchair. • To Disengage: turn the clutch handles until they are pointing toward the rear wheels. NEVER try to turn the clutch handles toward the inside of the wheelchair. Nutron® Series Part No.1106644...
Wheel locks are an option on RWD (you can order with or without wheel locks). Transfer to and from the wheelchair in the presence of a qualified health care pro- fessional to determine individual safety limits. Invacare strongly recommends ordering the wheel locks as an additional safeguards for the wheelchair user.
SECTION 14—WHEEL LOCKS Lock Unlock Wheel Lock Handle Hex Screw Wheelchair Frame Wheel Lock Shoe 5/32 to 5/16-inch Rear Wheel FIGURE 14.1 Installing/Adjusting/Using the Wheel Locks Using The wheelchair is equipped with a pair of independently operated wheel locks located just in front of the rear wheels. 1. To engage the wheel locks, grip the handle and push forward to the lock position. 2. To disengage, reverse STEP 1. CAUTION DO NOT use the wheel locks when the wheelchair power is on and the clutches are engaged - otherwise damage to the wheelchair may result.
SECTION 15—ANTI-TIPPERS After ANY adjustments, repair or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Installing/Removing the Anti-Tippers Anti-tippers MUST be fully engaged and spring buttons fully protruding out of adjustment holes BEFORE using the wheelchair.
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SECTION 15—ANTI-TIPPERS Rear Wheel Anti-tipper Wheelchair Frame Release Button Anti-tipper 1-1/2 to 2-inch Clearance FIGURE 15.1 Installing/Removing the Anti-Tippers Nutron® Series Part No.1106644...
The weight of the wheelchair without the user and batteries is approximately 79 lbs. Use proper lifting techniques (lift with your legs) to avoid injury. Extreme caution is advised when it is necessary to move an unoccupied power wheelchair. Invacare recommends using two (2) assistants and making thorough preparations. Make sure to use ONLY secure, non-detachable parts for hand-hold supports.
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SECTION 16—TRANSPORTING Refer to Installing/Removing the Battery Boxes on page 49 and Installing/Removing the Battery Tray on page 50. Refer to Installing/Removing the Anti-Tippers on page 67. Refer to Installing/Removing the Footrests on page 31 or Installing/Removing Elevating Legrests on page 34. FIGURE 16.1 Transporting the Nutron Nutron®...
In the event you do not receive satisfactory warranty service, please write directly to Invacare at the address on the bottom of the back cover. Provide dealer's name address, date of purchase, indicate nature of the defect and, if the product is serialized, indicate the serial number.