Invacare Arrow RWD Service Manual
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Invacare Arrow RWD Service Manual

Invacare Arrow RWD Service Manual

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Service Manual
3G Storm Series®
Wheelchairs
Arrow®RWD
Torque™SP RWD
Ranger X™RWD
DEALER: Keep this manual. The
procedures in this manual MUST be
performed by a qualified technician.
For more information regarding
Invacare products, parts, and services,
please visit www.invacare.com

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Summary of Contents for Invacare Arrow RWD

  • Page 1 Service Manual 3G Storm Series® Wheelchairs Arrow®RWD Torque™SP RWD Ranger X™RWD DEALER: Keep this manual. The procedures in this manual MUST be performed by a qualified technician. For more information regarding Invacare products, parts, and services, please visit www.invacare.com...

  • Page 2: Reference Documents

    MKIV RII Electronics Manual 1095272 3G Storm Base Service Manual 1104849 2G Tarsys Service Manual 1090208 MK6i Field Reference Guide 1141471 MK6i Service Manual 1143203 NOTE: Updated versions of this manual are available on www.invacare.com. 3G Storm Series® Wheelchairs Part No. 1104849...

  • Page 3: Special Notes

    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.
  • Page 4 SPECIAL NOTES TRRO AND TRBKTS WARNINGS Only use the transport brackets included with TRRO and TRBKTS for the purposes described in this manual. Battery support brackets MUST be installed at all times. Otherwise, the wheelchair will not be WC/19 compliant. Refer to Installing/Removing Batteries into/from Battery Boxes on page 107.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS REFERENCE DOCUMENTS ..............2 SPECIAL NOTES ................3 LABEL LOCATIONS ................. 10 All Wheelchairs............................10 Wheelchairs with O Holders.......................12 Wheelchairs with TRRO ........................12 Wheelchairs without TRRO ........................12 Wheelchairs with 2G Tarsys .........................13 Wheelchairs with Elevating Seats ......................14 SPECIFICATIONS ................
  • Page 6 SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS ......36 Stability and Balance..........................36 Pinch Points..............................37 SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING ....38 Safety Inspection Checklists........................38 SECTION 5—EMI INFORMATION ............. 41 SECTION 6—TROUBLESHOOTING ............ 43 Troubleshooting............................43 Troubleshooting - Electrical........................47 Checking Battery Charge Level......................53 Field Load Test............................53 Motor Testing............................54 Motor Brush Inspection ..........................55 Electro-Mechanical Parking Brake Testing..................55 SECTION 7—ARMS .................
  • Page 7 TABLE OF CONTENTS TABLE OF CONTENTS SECTION 9—FIXED AND ASBA SEAT FRAME ........65 Preparation for Removing/Installing Seat Frame ................65 Replacing the Seat Frame........................66 Changing Seat Depth ..........................68 Changing Seat Width (Standard and ASBA)..................72 Converting Seat Frames..........................74 Replacing Components of the ASBA Seat ..................75 Installing/Removing Van Seat Frame.....................76 Removing/Installing Van Seat from/onto Van Seat Frame ...............77 Converting from ASBA to Van Seat or Vice Versa ................78...
  • Page 8 TABLE OF CONTENTS TABLE OF CONTENTS SECTION 12—BATTERIES .............. 104 Warnings for Handling and Replacing Batteries ................104 Using the Proper Batteries........................105 Installing/Removing Batteries into/from Battery Boxes..............107 Disconnecting/Connecting Battery Cables ..................109 When to Charge Batteries ........................116 Charging Batteries ..........................
  • Page 9 SECTION 15—ELECTRONICS ............165 Repositioning the Joystick - Van Seat Models................. 165 Removing/Installing the MKIV Controller..................166 SECTION 16—MANUAL RECLINERS ..........173 Positioning Limit Switch ........................173 Adjusting Limit Switch .......................... 174 Replacing Recliner Cable Assemblies....................175 Replacing/Adjusting Gas Cylinders ....................177 Adjusting Gas Cylinder.........................

  • Page 10: Label Locations

    LABEL LOCATIONS LABEL LOCATIONS All Wheelchairs NOTE: The battery labels shown on Rear Battery this page are found on the inside of the Box Lid battery box lids. Group 24 Batteries Only Front Battery Box Lid Gearless Brushless GB™Motors 4 Pole Motors with Group 24 22NF Batteries Only with Group 24 Batteries Only Batteries Only...
  • Page 11 LABEL LOCATIONS Serial number label is located on the NOTE: Warning label inside of the front or rear frame. WARNING also found on side frame This stop MUST be in place near the front of the BEFORE using. DO NOT remove. 1070497 wheelchair.

  • Page 12: Wheelchairs With O 2 Holders

    LABEL LOCATIONS Wheelchairs with O Holders Captain’s Seats ASBA Seats 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.

  • Page 13: Wheelchairs With 2G Tarsys

    LABEL LOCATIONS Wheelchairs with 2G Tarsys Systems with Genius/Mechanical Systems with Vent Trays Only Legrests Only NOTE: These labels are present on both sides of the seating system. Part No. 1104849 3G Storm Series® Wheelchairs...

  • Page 14: Wheelchairs With Elevating Seats

    LABEL LOCATIONS Wheelchairs with Elevating Seats NOTE: This label pertains to elevate/PTO systems. This label does not apply to Formula CG seating systems. 3G Storm Series® Wheelchairs Part No. 1104849...

  • Page 15: Specifications

    SPECIFICATIONS SPECIFICATIONS Arrow (Before 10/6/06) ARROW SEAT WIDTH: Standard 12 to 24 inches Recliner 16 to 24 inches SEAT DEPTH: Standard 12 to 22 inches Recliner 16 to 22 inches BACK HEIGHT: Standard 12 to 24 inches Recliner 18 to 26 inches BACK ANGLE RANGE: Standard 85°...

  • Page 16: Arrow (After 10/5/06)

    SPECIFICATIONS *NOTE: Weight limitation is total weight (user weight plus any additional items that the user may require [back pack, etc.]). Example: If weight limitation of the wheelchair is 300 lbs and additional items equal 25 lbs, subtract 25 lbs from 300 lbs. This means the maximum weight limitation of the user is 275 lbs.

  • Page 17: Torque Sp (Before 10/6/06)

    SPECIFICATIONS *NOTE: Weight limitation is total weight (user weight plus any additional items that the user may require [back pack, etc.]). Example: If weight limitation of the wheelchair is 300 lbs and additional items equal 25 lbs, subtract 25 lbs from 300 lbs. This means the maximum weight limitation of the user is 275 lbs.
  • Page 18 SPECIFICATIONS TORQUE SP DRIVE AXLE: Adjustable (Non-Recliners ONLY) DRIVE WHEELS/TIRES: Foam filled or pneumatic 14 x 3 inches (Std), 14 x 4 inches - Not available with gearless/brushless motors (Opt) CASTERS W/ PRECISION SEALED BEARINGS SEMI-PNEUMATIC: 8 x 1¼ inches (Std), 6 x 2 inches with shock fork (Opt) PNEUMATIC OR FOAM FILLED: 8 x 2 inches (Std), 9 x 2¾...

  • Page 19: Torque Sp (After 10/5/06)

    SPECIFICATIONS **NOTE: Values for range are calculated for maximum chair weight rating using largest batteries applicable (GP24), 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.

  • Page 20: Torque Se

    SPECIFICATIONS **NOTE: Values for range are calculated for maximum chair weight rating using largest batteries applicable (GP24), 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.

  • Page 21: Ranger X (Before 10/6/05)

    SPECIFICATIONS Values for range are calculated for maximum chair weight rating using largest batteries applicable (GP24), 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.
  • Page 22 SPECIFICATIONS RANGER X CASTER FORKS: Standard, Shock Fork (Optional) FOOTRESTS: Telescoping Front Rigging Supports (Std), Swing-Away (Std), Heavy Duty (Opt), 2-in. and 4-in. longer Pivot Slide Tube (Opt) ARMRESTS: Flip Back, Fixed or Adjustable Height (Desk and Full Length) SEAT ANGLE ADJUSTMENT: Adjustable (0°...

  • Page 23: Ranger X (After 10/5/06)

    SPECIFICATIONS Ranger X (After 10/5/06) RANGER X SEAT-TO-FLOOR: Standard 17½-inches Optional 19¾ or 21 inches OVERALL WIDTH OF BASE: (W/O JOYSTICK) 25 inches OVERALL HEIGHT STANDARD: 34¼ inches MINIMUM: 34¼ inches MAXIMUM: 44¼ inches OVERALL LENGTH Without front riggings STANDARD: 29½...

  • Page 24: 2G Tarsys

    SPECIFICATIONS 2G Tarsys 2G TARSYS SEATING SYSTEM SEAT WIDTH RANGE: 16 - 22 inches in 1-inch increments SEAT DEPTH RANGE: 16 - 22 inches in 1-inch increments BACK HEIGHT RANGE TILT/RECLINE: 20 - 26 inches in 1-inch increments RECLINE: 20 - 26 inches in 1-inch increments TILT: 20 - 25 inches in 1-inch increments BACK ANGLE RANGE...

  • Page 25: Elevating Seat/Power Tilt Only

    SPECIFICATIONS **NOTE: Weight limitation is total weight (user weight plus any additional items that the user may require [back pack, etc.]). Example: If weight limitation of the wheelchair is 300 lbs and additional items equal 25 lbs, subtract 25 lbs from 300 lbs. This means the maximum weight limitation of the user is 275 lbs.

  • Page 26: For All Model Wheelchairs

    SPECIFICATIONS ELEVATING SEAT/POWER TILT ONLY ARMRESTS Adjustable Height (10.5 - 14.5 inches) - Desk or Full Length WEIGHT OF POWER TILT ONLY: 65 lbs WEIGHT OF ELEVATING SEAT: 26 lbs WEIGHT LIMITATION: ELEVATE ONLY: 300 lbs TILT ONLY MOUNTED ON TORQUE SP WITH RANGER II ELECTRONICS: 200 lbs ALL OTHER TILT ONLY SYSTEMS:...

  • Page 27: Section 1-General Guidelines

    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. DO NOT use non-Invacare accessories. To obtain Invacare accessories, contact Invacare by phone or at www.invacare.com.

  • Page 28: Repair Or Service Information

    Risk of Death, Serious Injury or Damage Use of incorrect or improper replacement (service) parts may cause death, serious injury, or damage. Replacement parts MUST match original Invacare parts. ALWAYS provide the wheelchair serial number to assist in ordering the correct replacement parts.
  • Page 29 If the wheelchair does not perform to specifications, turn the wheelchair Off immediately and reenter set up specifications. Contact Invacare, if wheelchair still does not perform to correct specifications.

  • Page 30: Wheelchairs With Powered Seating Systems Only

    SECTION 1—GENERAL GUIDELINES Wheelchairs with Powered Seating Systems Only WARNING Risk of Death or Serious Injury Operating the wheelchair with the seat tilted/reclined/back angle position beyond 20° can cause instability resulting in death or serious injury from the wheelchair tipping over. NEVER operate the wheelchair or elevate/lower the seat while in any tilted/ reclined/back angle position over 20°...

  • Page 31: Tire Pressure

    WARNING 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 obli-...
  • Page 32 SECTION 1—GENERAL GUIDELINES 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.

  • Page 33: Rain Test

    DO NOT use if the joystick boot is torn or cracked. If the joystick boot becomes torn or cracked, replace IMMEDIATELY. NOTE: Invacare has tested its wheelchairs in accordance with RESNA WC — 2:2009, Section 9 Part 7.3 “Rain Test”. This provides the end user or his/her attendant sufficient time to remove his/ her wheelchair from a rain storm and retain wheelchair operation.

  • Page 34: Shipping Securement Points

    SECTION 1—GENERAL GUIDELINES Shipping Securement Points WARNING Frame end caps are only intended for manufacturer’s initial shipping securement points. They are not intended for any other use. Front of Wheelchair Rear of Wheelchair Base Frame Frame End Cap Weight Limitation WARNING 3G Storm Wheelchairs Without Powered Seating Systems Refer to Specifications for Arrow (Before 10/6/06) on page 15, Arrow (After 10/5/06)

  • Page 35: Section 2- Safety Guidelines

    SECTION 2—SAFETY GUIDELINES SECTION 2— SAFETY GUIDELINES DANGER Risk of Death, Serious Injury, or Damage Missing attaching hardware could cause instability resulting in death, serious injury or damage. Ensure all attaching hardware is present and tightened securely. DANGER Risk of Death or Serious Injury Traveling on inclines with wet, slippery, icy or oily surfaces could cause loss of traction resulting in death or serious injury.

  • Page 36: Section 3-Safety/Handling Of Wheelchairs

    SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS Stability and Balance Changing the position of where the motors are positioned affects the weight distribution over the rear wheels. The following contains information about changing the position of the motors. Rear Position - Lengthens the wheelbase and gives the wheelchair the most stability and standard maneuverability.

  • Page 37: Pinch Points

    SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS Rear Position Approximately 65% of weight over drive wheels Middle Position Approximately 70% of weight over drive wheels Forward Position Not available with gearless/brushless motors. FIGURE 3.3 Gearless Brushless Motor Mounting Position Pinch Points WARNING POWERED SEATING SYSTEMS ONLY - Pinch point may occur when lowering the elevating seat and/or returning the tilted seat to the full upright position.

  • Page 38: Section 4-Safety Inspection/Troubleshooting

    SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING SECTION 4—SAFETY INSPECTION/ TROUBLESHOOTING Safety Inspection Checklists NOTE: Initial adjustments should be made to suit the end user's personal body structure needs and preference. After initial setup, perform these procedures every time the wheelchair is serviced. NOTE: Refer to the wheelchair service manuals listed in Reference Documents on page 2 for a complete safety inspection checklist for the base.
  • Page 39 SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING ❑ Inspect electrical components for signs of corrosion. Replace if corroded or damaged. ❑ Ensure that the wheelchair rolls straight (no excessive drag or pull to one side). ❑ Ensure no excessive side movement or binding occurs when drive wheels are lifted and spun when disengaged (freewheeling).
  • Page 40 SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING ❑ Make sure wheel locks DO NOT interfere with tires when rolling. ❑ Make sure wheel lock pivot point are free of wear and looseness. ❑ Make sure wheel locks are easy to engage. ❑ Inspect tires for flat spots and wear. ❑...

  • Page 41: Section 5-Emi Information

    SECTION 5—EMI INFORMATION SECTION 5—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...
  • Page 42 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. 3G Storm Series® Wheelchairs Part No. 1104849...

  • Page 43: Section 6-Troubleshooting

    SECTION 6—TROUBLESHOOTING SECTION 6—TROUBLESHOOTING 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. Troubleshooting NOTE: For additional troubleshooting information and explanation of error codes, refer to the individual electronics manual supplied with each wheelchair.
  • Page 44 SECTION 6—TROUBLESHOOTING SYMPTOM PROBABLE CAUSE SOLUTIONS E09 and E10 Error Engage motors, and check motor Check motor connectors. If damaged, repair or codes. connections. replace. Ohm out motors and brakes. Tiller harness unplugged. Joystick Plug connections back together, and check for No LED’s on connection to controller unplugged damaged wiring.
  • Page 45 GB Motors clicking. Loose Hub on motor. Tighten loose hardware. May need hub washer upgrade, call Invacare Tech Services. Bent lever or internal damage. Replace the brake. Brake code error Bad micro switch or out of adjust-...
  • Page 46 SECTION 6—TROUBLESHOOTING Troubleshooting - Battery Charger SYMPTOM PROBABLE CAUSE SOLUTIONS Old batteries lose connection. Test battery with charger plugged in. Charger Batteries won’t won’t charge if less than 12 volts combined on bat- charge. teries. Short Charge One or both batteries may be bad (if Check each battery and replace if needed.

  • Page 47: Troubleshooting - Electrical

    SYMPTOM PROBABLE CAUSE SOLUTIONS Batteries draw excessive current- Battery failure. Check batteries for shorted cell. when charging. Replace if necessary (Refer to Replacing Batteries on page 119). Electrical malfunction. Contact Dealer/Invacare for Service. Part No. 1104849 3G Storm Series® Wheelchairs...

  • Page 48: Wheelchairs With Powered Seating Systems

    Return to neutral position (upright and drive elevated beyond drive lock-out completely lowered). Refer to angle (20°). Operating Powered Seating Systems in the usser manual. Contact Invacare/Dealer for service if this does not solve the problem. 3G Storm Series® Wheelchairs Part No. 1104849...

  • Page 49: Information Gauge Display Diagnostics

    Refer to angle (20°). Operating Powered Seating Systems in the owner’s manual. Contact Invacare/Dealer for service if this does not solve the problem. Wheelchair drives at reduced speed. Seating system is elevated. Completely lower the seat.
  • Page 50 SECTION 6—TROUBLESHOOTING DISPLAY DESCRIPTION DEFINITION COMMENTS Information Gauge Display Left to Right “chase” alter- Joystick is in program- The steady LEDs indicate nating with steady display. ming, inhibit and/or charg- the current state of the ing mode. battery charge. All LEDs are flashing slowly. Joystick has detected Release the joystick back Out-of-Neu- to Neutral.

  • Page 51: Service Indicator Light Diagnostics

    Controller Fault Contact Invacare/Dealer for service. Communications Fault Contact Invacare/Dealer for service. General Fault Contact Invacare/Dealer for service. Incompatible or incorrect Wrong type of remote connected. Contact Invacare/Dealer Remote for service. MPJ™+, PSR+, PSF+ Joysticks or Displays SYMPTOM PROBABLE CAUSE SOLUTIONS Motor lock levers disengaged Engage motor lock levers.
  • Page 52 Battery failure. Have batteries checked for shorted cell. when charging. Replace if necessary. Electrical malfunction. Contact Dealer/Invacare for service. Battery indicator flashes the charge Battery failure. Check batteries for shorted cell. level is low - immediately after Replace if necessary.

  • Page 53: Checking Battery Charge Level

    NOTE: Read the instructions carefully before using the digital voltmeter. NOTE: Invacare recommends that ONLY qualified service personnel perform this test. 1. Ensure that power is Off. 2. Make sure battery is fully charged. An extremely discharged battery will exhibit the same symptoms as a bad one.

  • Page 54: Motor Testing

    (Ω). A reading of 0 ohms (Ω) or in excess of 15 ohms (Ω) indicates a problem. High readings are generally caused by bad Motor Connector Ohmmeter connections and/or damaged brushes. Contact authorized dealer or Invacare. FIGURE 6.2 Motor Testing 3G Storm Series® Wheelchairs Part No. 1104849...

  • Page 55: Motor Brush Inspection

    Let motors cool. If caps still cannot be removed, it is recommended that the motor be sent to Invacare Technical Services for inspection/repair. NOTE: It is very important to note which way the brush comes out of the motor. The brush MUST be placed into the motor exactly the same way to ensure good contact with the commutator.
  • Page 56 SECTION 6—TROUBLESHOOTING CAUTION A shorted electro-mechanical brake will damage the brake output section in the controller. DO NOT connect a shorted electro-mechanical brake to a good control- ler module. A shorted brake MUST be replaced. NOTE: A bad motor can damage the controller module but a bad controller will NOT damage a motor.

  • Page 57: Section 7-Arms

    SECTION 7—ARMS SECTION 7—ARMS 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. Replacing Van Seat Armrest Pads NOTE: For this procedure, refer to FIGURE 7.1. 1.

  • Page 58: Adjusting Flip Back Armrests

    SECTION 7—ARMS Installing 1. Visually inspect to ensure flip back armrest release lever is in the unlocked (horizontal) position. 2. Slide the flip back armrest into the arm sockets on the seat frame. 3. Install the quick release pin through the rear arm socket and flip back armrest. 4.

  • Page 59: Adjusting Captain's Van Seat Armrests

    SECTION 7—ARMS Positioning Flip Back Armrests for User Transfer 1. Unlock the flip back armrest by pulling the armrest release lever into the up (horizontal) position. 2. Pull up on the flip back armrest and remove the armrest from the front arm socket. 3.
  • Page 60 SECTION 7—ARMS NOTE: Repeat STEPS 1-3 for opposite armrest. NOTE: To determine the same angle for the opposite armrest, count the exposed threads after the jam nut has been tightened. Armrest Mounting Screw Jam Nut Count Exposed Threads FIGURE 7.4 Adjusting Captain's Van Seat Armrests - Angle Height NOTE: For this procedure, refer to Height...

  • Page 61: Section 8-Upholstery/ Positioning Strap

    SECTION 8—UPHOLSTERY/ POSITIONING STRAP SECTION 8—UPHOLSTERY/ POSITIONING STRAP 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. Replacing Van Seat Positioning Strap Van Seat NOTE: For this procedure, refer to FIGURE 8.1 on page 61.

  • Page 62: Replacing Back Upholstery

    SECTION 8—UPHOLSTERY/ POSITIONING STRAP Replacing Back Upholstery NOTE: For this procedure, refer to FIGURE 8.2 on page 63. NOTE: This procedure is for ASBA seats ONLY. 1. Remove one armrest from the wheelchair. Refer to Installing/Removing Flip Back Armrests in SECTION 4 of the User Manual, part number 1104782 or 1123757. 2.

  • Page 63: Removing/Installing The Back Canes

    SECTION 8—UPHOLSTERY/ POSITIONING STRAP 15. Reposition the spreader bar at the correct height for the corresponding back height and torque the mounting hardware to 60 in-lbs (5 ft-lbs) (6.78 Nm). 16. Reinstall the armrests onto the wheelchair. Refer to Installing/Removing Flip Back Armrests on page 57.
  • Page 64 SECTION 8—UPHOLSTERY/ POSITIONING STRAP 3. For proper installation, note the mounting position of the upper hex screw securing the cane bracket to the back cane. 4. Remove the upper hex screw, washer and locknut securing the cane bracket to the back cane.

  • Page 65: Section 9-Fixed And Asba Seat Frame

    SECTION 9—FIXED AND ASBA SEAT FRAME SECTION 9—FIXED AND ASBA SEAT FRAME 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. NOTE: The procedures in this section of the manual refer to NON-RECLINER seat frames only, EXCEPT Seat Angle Adjustment.

  • Page 66: Replacing The Seat Frame

    SECTION 9—FIXED AND ASBA SEAT FRAME Back Upholstery (Step 10) Joystick Flip Back Armrest (Steps 3, 5) (Step 6A) Adjustment Lock Lever for Joystick (Step 4) Footrest Location (Step 1) Battery Boxes (Step 2) Seat Pan (Step 7) Seat Positioning Controller, Left/Right Motor Strap (Step 7) Connectors (Steps 8, 9)
  • Page 67 SECTION 9—FIXED AND ASBA SEAT FRAME 2. Remove the four mounting screws, locknuts and spacers, if applicable, that secure the standard seat frame subassembly to the seat mounting plates. 3. Remove the existing standard seat frame. 4. Position new standard seat frame subassembly on seat mount plates. 5.

  • Page 68: Changing Seat Depth

    SECTION 9—FIXED AND ASBA SEAT FRAME Changing Seat Depth Fixed Seat Frame NOTE: Review the chart below. This will determine the components needed to obtain the desired seat depth. SEAT FRAME COMPONENTS SEAT DEPTH CJ BACK BRACKETS SEAT PAN SEAT FRAME DEPTH REQUIRED 12-INCHES TO 17-INCH...
  • Page 69 SECTION 9—FIXED AND ASBA SEAT FRAME ASBA NOTE: For this procedure, refer to FIGURE 9.3 on page 70. NOTE: Review the chart below. This will determine the components needed to obtain your desired seat depth. SEAT FRAME COMPONENTS SEAT DEPTH CJ BRACKETS SEAT PAN SIDE FRAME...
  • Page 70 SECTION 9—FIXED AND ASBA SEAT FRAME D. Repeat STEPS A and B for opposite side frame. NOTE: If the desired seat depth requires a new center frame, determined in STEPS 1-5 perform STEPS E - G, otherwise proceed to STEP H. E.
  • Page 71 SECTION 9—FIXED AND ASBA SEAT FRAME Changing Seat Depth Between 12 and 15 Inches NOTE: For this procedure, refer to FIGURE 9.4 on page 72. NOTE: There are two sizes of CJ back brackets. Refer to the following chart to determine if the seat depth required is obtainable by repositioning the back canes only, or if the CJ back brackets must be replaced.

  • Page 72: Changing Seat Width (Standard And Asba)

    SECTION 9—FIXED AND ASBA SEAT FRAME Back Cane Covered Washers Washers Threaded Insert Seat Frame Mounting Screws FIGURE 9.4 Changing Seat Depth - Changing Seat Depth Between 12 and 15 Inches Changing Seat Width (Standard and ASBA) Fixed Seat Frame NOTE: If changing seat width below 16-inches wide, you must convert from a fixed frame to an ASBA.
  • Page 73 SECTION 9—FIXED AND ASBA SEAT FRAME SEAT WIDTH ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓...

  • Page 74: Converting Seat Frames

    SECTION 9—FIXED AND ASBA SEAT FRAME • For all other changes regarding seat frame changes, refer back to the starting procedure to complete the desired change. Steps 3-6 Covered Washers Side Frame Mounting Screws Center Frame Locknuts Spacers DETAIL “A” 12 Inches 13 Inches 14 Inches...

  • Page 75: Replacing Components Of The Asba Seat

    SECTION 9—FIXED AND ASBA SEAT FRAME 1. Secure both support brackets to the seat mounting plates with four mounting screws and locknuts. Torque mounting screws to 156 in-lbs (13 ft-lbs)(17.62 Nm). 2. Install the ASBA seat. 3. Secure the center frame to the support brackets with four mounting screws, locknuts, and spacers.

  • Page 76: Installing/Removing Van Seat Frame

    SECTION 9—FIXED AND ASBA SEAT FRAME Mounting Screws Support Bracket (Torque to 156 In-lbs) (13 ft-lbs)(17.62 Nm) Mounting Screws Support Bracket (Torque to 156 In-lbs) (13 ft-lbs)(17.62 Nm) Base Frame Mounting Plate Locknuts FIGURE 9.6 Converting Seat Frames Installing/Removing Van Seat Frame NOTE: For this procedure, refer to FIGURE 9.7 on page 77.

  • Page 77: Removing/Installing Van Seat From/Onto Van Seat Frame

    SECTION 9—FIXED AND ASBA SEAT FRAME Mounting Screws (Torque to 156 In-lbs) (13 ft-lbs)(17.62 Nm) Van Seat Seat Mounting Plate Seat Mounting Plate Base Frame Locknuts FIGURE 9.7 Installing/Removing Van Seat Frame Removing/Installing Van Seat from/onto Van Seat Frame NOTE: For this procedure, refer to FIGURE 9.8.

  • Page 78: Converting From Asba To Van Seat Or Vice Versa

    SECTION 9—FIXED AND ASBA SEAT FRAME Converting from ASBA to Van Seat or Vice Versa 1. Perform the instructions outlined in Preparation for Removing/Installing Seat Frame on page 65. 2. Perform one of the following: • Remove the ASBA subassembly. Refer to Replacing Components of the ASBA Seat on page 75.

  • Page 79: Removing/Installing Seat Pan

    SECTION 9—FIXED AND ASBA SEAT FRAME • Install the van seat. Refer to Installing/Removing Van Seat Frame on page 76. • Install the standard seat frame. 4. STANDARD FRAMES ONLY ON 12 TO 15-INCH SEAT DEPTHS ONLY: Install the CJ back brackets from the onto the ASBA. Refer to Removing/Installing CJ Back Brackets on page 99.

  • Page 80: Adjusting The Seat Pan - Adjasba

    SECTION 9—FIXED AND ASBA SEAT FRAME • Reinstall the flip-back armrests from the wheelchair. Refer to Installing/removing Flip Back Armrests in the owner’s manual, part number 1104782 or 1123757. Mounting Screws Seat Pan Seat Positioning Strap Spacer Seat Frame Locknut Locknut Quick Release Pin FIGURE 9.9 Removing/Installing Seat Pan...

  • Page 81: Seat Angle Adjustment

    SECTION 9—FIXED AND ASBA SEAT FRAME Socket Seat Screw Seat Frame FIGURE 9.10 Adjusting the Seat Pan - ADJASBA Seat Angle Adjustment NOTE: For this procedure, refer to FIGURE 9.11 on page 81. NOTE: The angle of the seat is factory set at 5° seat dump. This angle can be changed by adjusting either the front or back of the seat mount plate to obtain any angle between 0°...

  • Page 82: Checking Asba Seating System Mounting Position

    SECTION 9—FIXED AND ASBA SEAT FRAME 1. To obtain a 0° seat dump (DETAIL “A”): A. Loosen the two mounting screws that secures the seat mount plate to the seat support bracket. B. Loosen the two mounting screws that secures the remaining seat mount plate to the seat support bracket.

  • Page 83: Adjusting The Seating System Mounting Position

    SECTION 9—FIXED AND ASBA SEAT FRAME • Gap is Greater Than 1½ inches - ASBA seating system is not in the proper mounting position. Refer to Adjusting the Seating System Mounting Position on page 83. DETAIL “A” - SWING AWAY FRONT DETAIL “B”...
  • Page 84 SECTION 9—FIXED AND ASBA SEAT FRAME • Wires were not damaged during inspection - Cut tie-wraps and relocate wires to a location where they will not become damaged. Hex Screws Rear of Wheelchair ASBA Seating System (Base Only Shown) Seat Frame Mounting Bracket Interface Mounting Bracket...

  • Page 85: Section 10-Base Frame

    SECTION 10—BASE FRAME SECTION 10—BASE FRAME 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. Replacing Seat Mounting Plates NOTE: For this procedure, refer to FIGURE 10.1. 1.

  • Page 86: Replacing Seat Support Brackets

    SECTION 10—BASE FRAME Replacing Seat Support Brackets NOTE: For this procedure, refer to FIGURE 10.2. 1. Remove the seat frame. Replacing the Seat Frame on page 66. 2. Remove standard seat frame subassembly. 3. Remove seat mounting plates. Refer to Replacing Seat Mounting Plates on page 85. NOTE: Note the position of the seat support brackets before removing to ensure proper reinstallation.

  • Page 87: Replacing Battery Charger Bracket And T-Nut

    SECTION 10—BASE FRAME Seat Support Bracket Channel Cover Base Frame End Cap T-Nut FIGURE 10.3 Replacing Seat Support Brackets NOTE: Before removing seat mounting plates, note the position of the washers. 3. Remove the seat support brackets. Refer to Replacing Seat Support Brackets on page 86.

  • Page 88: Removing/Installing Seat Stop Screws

    SECTION 10—BASE FRAME NOTE: For wheelchairs equipped with MKIV electronics. 1. Remove the seat frame. Replacing the Seat Frame on page 66 2. Remove the seat support brackets. Refer to Replacing Seat Support Brackets on page 86. 3. Remove the two mounting screws that secure the battery charger connector to the mount bracket.

  • Page 89: Adjusting Weight Distribution

    SECTION 10—BASE FRAME 2. When reinstalling the rear seat stop screw, ensure the seat support bracket is located in-between both seat stop screws. Use Loctite 242 and tighten securely. Seat Support Bracket Base Frame Front Seat Stop Screw Rear Seat Stop Screw FIGURE 10.5 Removing/Installing Seat Stop Screws Adjusting Weight Distribution NOTE: For this procedure, refer to FIGURE 10.6.

  • Page 90: Repositioning The Motor

    SECTION 10—BASE FRAME Adjusting Weight Distribution Procedure 1. Loosen the four mounting screws that secure the seat support brackets to the base frame. WARNING DO NOT adjust seat beyond limit stops. 2. Adjust seat forward or back to the position determined from Adjustment Options on page 89.
  • Page 91 SECTION 10—BASE FRAME WARNING When using a recliner/high back van seat, the motor/gearbox or motor MUST use most REARWARD mounting holes on the suspension arm assembly. 1. Determine the desired position for the gearbox on the wheelchair. 2. Remove the drive wheels from the wheelchair. Refer to Removing/Installing Drive Wheels on page 138.
  • Page 92 SECTION 10—BASE FRAME Repositioning the Standard Gearless/Brushless Motor - Before 1/26/04 NOTE: For this procedure, refer to FIGURE 10.8 on page 93 and FIGURE 10.9 on page 94. NOTE: On models equipped with a fixed back only, the gearless/brushless motor can be repositioned to lengthen or shorten the wheelbase by 2-inches in 1-inch increments.
  • Page 93 SECTION 10—BASE FRAME Forward 1-Inch Forward - 1-Inch Rearward - 2-Inch Forward - Standard - Approximately Approximately Approximately Approximately 75% of weight 65% of weight 75% of weight 65% of weight over rear wheels over rear wheels over rear wheels over rear wheels Standard - 1-Inch Forward -...
  • Page 94 SECTION 10—BASE FRAME 1. Determine the desired mounting position of the gearless/brushless motor. Refer to Repositioning the Motor - Refer to Repositioning the Standard Gearless/Brushless Motor - Before 1/26/04. 2. Remove the 22NF battery box or group 24 battery boxes. Refer to Removing/Installing Battery Boxes on page 121.
  • Page 95 SECTION 10—BASE FRAME Repositioning the Heavy Duty Gearless/Brushless Motor NOTE: For this procedure, refer to FIGURE 10.10. • Standard Position - Lengthens the wheelbase and gives you the most stability and standard maneuverability. • 1-Inch Forward - Centers the wheelbase and gives you standard stability and maneuverability.

  • Page 96: Replacing Suspension Arm For Wheelchairs With Motor/Gearbox Assembly

    SECTION 10—BASE FRAME Replacing Suspension Arm for Wheelchairs with Motor/Gearbox Assembly NOTE: For this procedure, refer to FIGURE 10.11. 1. Remove the drive wheels from the wheelchair. Refer to Removing/Installing Drive Wheels on page 138. 2. Loosen the hex screws that secure wiring harness to sub-frame assembly. 3.

  • Page 97: Replacing Suspension Arm For Wheelchairs With Gearless/Brushless Motors

    SECTION 10—BASE FRAME Replacing Suspension Arm for Wheelchairs with Gearless/Brushless Motors NOTE: For this procedure, refer to FIGURE 10.12 on page 98. 1. Perform one of the following: • Remove the seating system. Refer to the Seating Systems User Manual for removal/installation instructions.
  • Page 98 SECTION 10—BASE FRAME Suspension Arm Beveled Washers Plug Button Suspension Arm Hex Screw (1/2 x 7 Inches) FIGURE 10.12 Replacing Suspension Arm for Wheelchairs with Gearless/Brushless Motors 3G Storm Series® Wheelchairs Part No. 1104849...

  • Page 99: Section 11-Back Frame

    SECTION 11—BACK FRAME SECTION 11—BACK FRAME 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. NOTE: The procedures in this section of the manual refer to NON-RECLINER seat frames only. For recliner seat frames, refer to manual Recliners on page 173.

  • Page 100: Changing Back Height On Fixed And Asba Seat Frames

    SECTION 11—BACK FRAME 6. If necessary, perform the instructions outlined in Preparation for Removing/Installing Seat Frame on page 65. Back Mounting Threaded CJ Back Bracket Angle Studs Screw Plate Washers Seat Positioning Strap Locknuts Quick Release Locknut Seat Pan Seat Frame DETAIL “A”...
  • Page 101 SECTION 11—BACK FRAME NOTE: Existing hardware and inserts will be reused. 1. Remove the armrests from the wheelchair. Installing/Removing Flip Back Armrests on page 57. NOTE: Note the correct mounting screw mounting positions to ensure the proper back angle for reinstallation.

  • Page 102: Adjusting The Back Height On Adjasba Seat Frames

    SECTION 11—BACK FRAME WARNING Laundering or moisture will reduce flame retardancy of the upholstery. NOTE: When replacing the back upholstery, back assembly or changing back height, follow these guidelines for spreader bar height (where applicable): NOTE: Spreader Bar required on back heights 20 to 24-inches. *Spreader bar ONLY required on these back heights if the width or depth of the chair exceeds 19-inches.

  • Page 103: Back Angle Adjustment

    SECTION 11—BACK FRAME Back Angle Adjustment NOTE: For this procedure, refer to FIGURE 11.3. 1. Remove armrests from the wheelchair. Refer to Installing/Removing Flip Back Armrests on page 57. 2. Remove the mounting screw and washer from the top mounting hole of back angle plate and back cane.

  • Page 104: Section 12-Batteries

    Make sure power to the wheelchair is Off before performing these procedures. The use of rubber gloves is recommended when working with batteries. Invacare strongly recommends that battery installation and battery replacement ALWAYS be done by a qualified technician. 22NF batteries weigh 37 pounds each. Use proper lifting techniques (lift with your legs) to avoid injury.

  • Page 105: Using The Proper Batteries

    SECTION 12—BATTERIES WARNING When tightening the clamps, ALWAYS use a box wrench. Pliers will “round off” the nuts. NEVER wiggle the battery terminal(s)/post(s) when tightening. The bat- tery may become damaged. NOTE: If there is battery acid in the bottom of the battery tray or on the sides of the battery(ies), apply baking soda to these areas to neutralize the battery acid.
  • Page 106 SECTION 12—BATTERIES PROPER Battery to Use DO NOT USE NEGATIVE (–) POSITIVE (+) Battery Battery POSITIVE (+) NEGATIVE (–) Terminal/Post Terminal/Post Battery Battery Terminal/Post Terminal/Post Centerline Centerline 22NF 22NF DETAIL A: TERMINAL CROSS HOLES Terminal Cross Holes FIGURE 12.1 Using the Proper Batteries - 22NF WARNING FOR 3G STORM WHEELCHAIRS THAT USE GP24 BATTERIES: Batteries with terminal configuration (positive on the right and negative on the left) as shown...

  • Page 107: Installing/Removing Batteries Into/From Battery Boxes

    SECTION 12—BATTERIES PROPER Battery to Use DO NOT USE POSITIVE (+) NEGATIVE (–) NEGATIVE (–) POSITIVE (+) Battery Battery Battery Battery Terminal/Post Terminal/Post Terminal/Post Terminal/Post GP24 GP24 DETAIL A: TERMINAL CROSS HOLES Terminal Cross Holes FIGURE 12.2 Using the Proper Batteries - GP24 Installing/Removing Batteries into/from Battery Boxes NOTE: For this procedure, refer to FIGURE 12.3 on page 108.
  • Page 108 SECTION 12—BATTERIES • Group 24 Batteries • 22NF batteries in single battery box 3. Secure battery lifting strap to battery terminal(s)/post(s) (FIGURE 12.3). CAUTION Some battery manufacturers mold a carrying strap and/or hold down flanges directly into the battery case. Batteries which interfere with the battery box cannot be used for these applications.

  • Page 109: Disconnecting/Connecting Battery Cables

    SECTION 12—BATTERIES Disconnecting/Connecting Battery Cables DANGER Risk of Death or Serious Injury Failure to observe these warnings can cause an electrical short resulting in death, serious injury, or damage to the electrical system. The POSITIVE (+) RED battery cable MUST connect to the POSITIVE (+) battery terminal(s)/post(s).
  • Page 110 SECTION 12—BATTERIES Connecting NOTE: Perform this procedure on one battery and battery box at a time. Repeat procedure for other battery box. 1. Position battery box top next to battery box bottom as shown in FIGURE 12.4. 2. Peel back battery clamp covers to expose battery clamp on each battery cable as follows: A.
  • Page 111 SECTION 12—BATTERIES NEGATIVE (–) POSITIVE (+) Battery Battery Terminal/Post Terminal/Post Battery Box Bottom Battery Two Connector Battery Box One Connector Battery Box BLACK Connector BLACK Connector BLACK NEGATIVE POSITIVE BLACK Battery Battery Battery Battery (–) Battery (+) Battery NEGATIVE Box Top Clamp Box Top Clamp...
  • Page 112 SECTION 12—BATTERIES Group 24 Batteries on Wheelchairs Built AFTER 1/25/04 NOTE: For this procedure, refer to FIGURE 12.5 on page 113. Disconnecting NOTE: Perform this section on one battery and battery box at a time. Repeat section for other battery box. 1.
  • Page 113 SECTION 12—BATTERIES Two Connector Battery Box One Connector Battery Box BLACK NEGATIVE Two Connector One Connector BLACK NEGATIVE (–) Battery Cable Battery Box Top Battery Box Top (–) Battery Cable BLACK RED POSITIVE (+) BLACK RED POSITIVE (+) Battery Battery Battery Battery Cable Battery...
  • Page 114 SECTION 12—BATTERIES 22NF Batteries in Single Battery Box NOTE: For this procedure, refer to FIGURE 12.6 on page 115. NOTE: Note polarity of white battery cable (jumper) battery terminal ends. Disconnecting 1. Remove battery terminal cap(s) from battery terminal(s) ends. Refer to DETAIL “A” in FIGURE 12.6.
  • Page 115 SECTION 12—BATTERIES STEPS 3 and 4 STEP 2 NEGATIVE (–) Battery Terminal Posts Front Battery FRONT Front Rear Battery Battery FRONT Rear WHITE Battery Battery NEGATIVE Battery Cable BLACK (–) (Jumper) Battery Bottom Cable REAR Single POSITIVE Battery RED (+) Battery Bottom Cable...

  • Page 116: When To Charge Batteries

    SECTION 12—BATTERIES When to Charge Batteries SPJ+ Joysticks NOTE: For this procedure, refer to FIGURE 12.7. The Information Gauge Display located on the front of the joystick housing, it provides the state-of-battery charge, including notification of when the battery requires charging. It also provides the following information to the user on the status of the wheelchair: A.

  • Page 117: Charging Batteries

    SECTION 12—BATTERIES MKIV-A+ Joysticks NOTE: For this procedure, refer to FIGURE 12.8. The left half of the second line on the LCD is the Battery Discharge Indicator (BDI). It provides information on the remaining charge in the batteries. At full charge solid blocks fill in all ten segments between E (Empty) and F (Full).
  • Page 118 NEVER leave the charger unattended when the charger circuit breaker is tripping ON and OFF. A condition between the battery charger and batteries exists. Con- tact an Invacare dealer. NOTE: If performing the charging procedures independently, READ and CAREFULLY follow the individual instructions for each charger (supplied or purchased).

  • Page 119: Replacing Batteries

    Battery Charger Port FIGURE 12.9 Charging Batteries Replacing Batteries NOTE: Invacare recommends that both batteries be replaced if one battery is defective. Recommended Battery Types WARNING Failure to use the correct battery size and/or voltage may cause damage to your wheelchair and give you unsatisfactory performance.

  • Page 120: Cleaning Battery Terminals

    WARNING 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 recom- mends their use as the power source for this unit. NOTE: GB denotes gearless/brushless. Both battery sizes are deep cycle batteries.

  • Page 121: Removing/Installing Battery Boxes

    SECTION 12—BATTERIES Removing/Installing Battery Boxes Group 24 Battery Boxes for Wheelchairs Without Vent Tray WARNING Each battery weighs 51 pounds. Use proper lifting techniques (lift with your legs) to avoid injury. NOTE: For this procedure, refer to FIGURE 12.9 on page 119. Removing 1.
  • Page 122 SECTION 12—BATTERIES 8. Slide one connector battery box along the sub-frame until its guide pins are engaged in the connector of the two connector battery box. NOTE: Visually inspect to ensure the connection is properly made. Connectors MUST be fully engaged.
  • Page 123 SECTION 12—BATTERIES 4. Slide one connector battery box along the sub-frame and remove from the wheelchair. 5. Slide the two connector battery box along the sub-frame and remove from the wheelchair. Installing 1. Place the wheelchair in a well ventilated area where work can be performed without risking damage to carpeting or floor covering.
  • Page 124 SECTION 12—BATTERIES Battery Box Two Connector Battery Box Battery Box Battery Box Two Connector Sub-Frame Battery Box Sub-Frame Sub-Frame Retainer Bar Battery Box Base Frame Base Frame Battery Box One Connector One Connector Retainer Bar Battery Box Battery Box FIGURE 12.11 Removing/Installing Battery Boxes - Group 24 Battery Boxes for Wheelchairs Equipped With Vent Tray 22NF Battery Boxes NOTE: For this procedure, refer to FIGURE 12.12.

  • Page 125: Removing/Installing Group 24 Battery Box Sub-Frame

    SECTION 12—BATTERIES Removing/Installing Group 24 Battery Box Sub-Frame NOTE: For this procedure, refer to FIGURE 12.13 on page 126. Removing 1. Remove the battery boxes. Refer to Removing/Installing Battery Boxes on page 121. 2. Remove the two mounting screws and locknuts that secure the wiring harness w/bracket and the sub-frame to the base frame.

  • Page 126: Removing/Installing 22Nf Battery Box Tray

    SECTION 12—BATTERIES Mounting Screws Rear of Chair Wiring Harness w/Bracket Sub-Frame Locknuts Front of Chair Wheelchairs Equipped Without Vent Tray Wheelchairs Equipped With Vent Tray Rear of Chair Rear of Chair Retainer Spacer Mounting Mounting Retainer Clip Spacer Battery Screws Screws Battery Spacer...

  • Page 127: Converting 22Nf Battery Box Tray To Group 24 Battery Box Sub-Frame Assembly

    SECTION 12—BATTERIES Installing 1. Install battery tray onto base frame. 2. Secure the rear of the battery tray to battery mount brackets with existing locknuts. Torque to 160 in-lbs (13.36 ft-lbs)(18.03 Nm). 3. Secure the front of the battery tray to the base frame with existing mounting screws and locknuts.
  • Page 128 SECTION 12—BATTERIES Washer Locknut Battery Mount Bracket Mounting Screws Spacer Base *Rubber Frame Element *NOTE: Illustration depicts rubber element. Battery Mount Brackets remove in the same manner for the shock assembly. FIGURE 12.15 Removing 22NF Components Installing Group 24 Components NOTE: For this procedure, refer to FIGURE 12.16 on page 130.
  • Page 129 SECTION 12—BATTERIES NOTE: Make sure the closed end of the battery box retainer clip is pointing up. ii. Install the mounting screw that secures the retainer clip to the battery box sub-frame. Use Loctite 242 and torque to 160 in-lbs (13.36 ft-lbs)(18.03 Nm). ®...
  • Page 130 SECTION 12—BATTERIES Mounting Screws Rear of Chair Steps 1-3 Wiring Harness w/Bracket Battery Box Locknuts Sub-Frame Front of Chair Steps 4-7 Wheelchairs Equipped With Vent Tray Wheelchairs Equipped Without Vent Tray Rear of Chair Retainer Rear of Chair Spacer Mounting Clip Retainer Mounting...

  • Page 131: Section 13-Wiring Harness

    SECTION 13—WIRING HARNESS SECTION 13—WIRING HARNESS 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. Removing/Installing the Wiring Harness Group 24 Batteries NOTE: For this procedure, refer to FIGURE 13.1. Removing 1.
  • Page 132 SECTION 13—WIRING HARNESS Installing 1. Install new wiring harness w/bracket to the rear of the sub-frame and torque mounting screws to 160 in-lbs (DETAIL “A” of FIGURE 13.1). 2. Secure the charger cable to the mounting bracket with the two mounting screws. Securely tighten (DETAIL “B”...
  • Page 133 SECTION 13—WIRING HARNESS DETAIL A: GROUP 24 BATTERIES Mounting Screws Battery Box Sub-Frame Locknuts Wire Harness Bracket Base Frame Rear of Chair DETAIL B: WHEELCHAIRS WITH MOTOR/GEARBOX ASSEMBLY Battery Mounting Screws (Not Shown) Charger Cable Tie Wrap C Controller Connector Motor Connector DETAIL C: WHEELCHAIRS WITH...
  • Page 134 SECTION 13—WIRING HARNESS 22NF Batteries NOTE: For this procedure, refer to FIGURE 13.2. Removing 1. Remove the battery boxes. Refer to Removing/Installing Battery Boxes on page 121. 2. Cut the tie wrap that secures the rear portion of the wiring harness and joystick cable to the rear of the seat frame (DETAIL “A”).
  • Page 135 SECTION 13—WIRING HARNESS 4. Tie-wrap new wiring harness and joystick cable to the rear of the seat frame (DETAIL “A”). 5. Reinstall the battery boxes. Refer to Removing/Installing Battery Boxes on page 121. NOTE: Illustration depicts DETAIL A: 22NF BATTERIES gearless/brushless motor.

  • Page 136: Adjusting Limit Switch

    SECTION 13—WIRING HARNESS Adjusting Limit Switch NOTE: For this procedure, refer to FIGURE 13.3. NOTE: The following section is for high back van seat model wheelchairs only. WARNING NEVER operate the wheelchair while in any recline position over 114° RELATIVE TO THE SEAT FRAME.
  • Page 137 SECTION 13—WIRING HARNESS Upper Limit Switch Bracket 24° Back Recline Angle 114° Phillips Screws, Washers 5-3/4 Inches Locknuts 61° Magnetic Protractor (Will read 61° when back 5° Seat Angle recline angle is at 114° relative to the seat frame. FIGURE 13.3 Adjusting Limit Switch Part No.

  • Page 138: Section 14-Wheels/Motors

    If tires are pneumatic, replacement of tire or tube MUST be performed by an authorized Invacare dealer or qualified technician. NOTE: If drive wheels or casters are pneumatic, under-inflation causes excessive wear which results in poor performance of the tires.
  • Page 139 SECTION 14—WHEELS/MOTORS 2. Remove the four beveled hex nuts that secures the drive wheel assembly to one of the following: drive wheel hub, GB motor spacer or adapter plate with studs. 3. Remove existing drive wheel assembly from wheel hub. Installing 1.

  • Page 140: Removing/Installing Drive Wheel Hub

    SECTION 14—WHEELS/MOTORS 14 X 3 Inch Wheel Conventional Motor with Gearbox Gearless/Brushless Motor Drive Wheel Assembly Motor/Gearbox Drive Wheel Assembly G/B Motor Assembly Drive Drive Wheel Wheel Motor Spacer Four Beveled Four Beveled Hex Nuts Hex Nuts 14 X 4 Inch Wheel Wheelchairs Built Before 1/26/04 Only Motor/Gearbox Assembly...
  • Page 141 SECTION 14—WHEELS/MOTORS Removing 1. Remove the drive wheel from the wheelchair. Refer to Removing/Installing Drive Wheels on page 138. 2. Remove the locknut, washer, keystock and existing drive wheel hub from the drive shaft of the motor/gearbox assembly. Installing 1. Position the keystock on the drive shaft of the motor/gearbox assembly. CAUTION ®...

  • Page 142: Removing/Installing The Ssd Motor Drive Wheel/Wheel Hub

    SECTION 14—WHEELS/MOTORS Removing/Installing the SSD Motor Drive Wheel/Wheel Hub Removing NOTE: For this procedure, refer to FIGURE 14.3 on page 143. 1. Place the wheelchair in a well ventilated area where work can be performed without risking damage to carpeting or floor covering. 2.

  • Page 143: Removing/Installing Gb Motor Spacer

    SECTION 14—WHEELS/MOTORS iii. Place the wheel hub onto the drive shaft, spin the wheel hub to evenly distribute the Super Lube over the entire drive shaft. Remove the wheel hub from the drive shaft. iv. Insert the 3/16 X 1 1/4 inch key into the keyway of the drive shaft. v.

  • Page 144: Removing/Installing The Adapter Plate With Studs

    SECTION 14—WHEELS/MOTORS GB Motor Four (4) Locknuts GB Motor Spacer FIGURE 14.4 Removing/Installing GB Motor Spacer Removing/Installing the Adapter Plate with Studs NOTE: For this procedure, refer to FIGURE 14.5 on page 144. Removing 1. Remove the drive wheel from the wheelchair. Refer to Removing/Installing Drive Wheels on page 138.

  • Page 145: Installing Wheel Lock Bracket Onto Wheelchair

    SECTION 14—WHEELS/MOTORS Installing Wheel Lock Bracket onto Wheelchair NOTE: For this procedure, refer to FIGURE 14.6. NOTE: This SECTION only pertains to wheelchairs with the conventional motor and gearbox. On wheelchairs with the gearless/brushless motor, the wheel lock bracket is not required. 1.
  • Page 146 SECTION 14—WHEELS/MOTORS WARNING If wheelchair is equipped with pneumatic tires, deflate tire before removing rim - otherwise serious personal injury and damage will result. 2. If the wheelchair is equipped with pneumatic tires, deflate the tire. 3. Remove the five mounting screws that secure the rim to the gearless/brushless motor. 4.

  • Page 147: Removing Casters

    SECTION 14—WHEELS/MOTORS 2. Reinstall battery boxes. Refer to Removing/Installing Battery Boxes on page 121. 3. If wheelchair is equipped with pneumatic tires, inflate tire to proper tire pressure located on the side wall of the tire. Removing Casters WARNING DO NOT use your power wheelchair unless it has the proper tire pressure (p.s.i.). DO NOT over-inflate the tires.

  • Page 148: Installing Casters

    SECTION 14—WHEELS/MOTORS 1. Remove the mounting screw and locknut that secures the spacer, wave washer, axle reducer, 9 inch caster, and spacer to the 9 inch fork. Fork Mounting Screw Locknut Spacer Spacer Wave Washer Axle Reducer (If equipped) FIGURE 14.9 Removing Casters - 9 inch Casters Installing Casters 6 Inch Casters and 8 Inch Casters NOTE: For this procedure, refer to FIGURE 14.10.
  • Page 149 SECTION 14—WHEELS/MOTORS Shock Fork 8 Inch Caster Mounting Hardware Orientation Hole Fork (Reference) 8 Inch Fork Washer Washer Locknut Mounting Spacer Screw Washer Mounting Screw Washer Locknut Spacer Spacer Spacer FIGURE 14.10 Installing Casters - 6 inch Casters and 8 inch Casters 9 inch Casters NOTE: For this procedure, refer to Refer to FIGURE 14.11.

  • Page 150: Replacing Forks

    SECTION 14—WHEELS/MOTORS Replacing Forks NOTE: For this procedure, refer to FIGURE 14.12 on page 150. 1. Remove the caster from the existing fork. Refer to Removing Casters on page 147. 2. Remove the dust cover. 3. Remove the locknut, nylon washer, and spacer. 4.

  • Page 151: Removing/Installing The Motor

    SECTION 14—WHEELS/MOTORS Removing/Installing the Motor Conventional Motor with Gearbox NOTE: For this procedure, refer to FIGURE 14.13 on page 151. Removing 1. Disconnect the right and/or left motor connector from the controller. 2. Remove the two allen screws and washers that secure the motor to the gearbox. CAUTION DO NOT damage the motor/gearbox coupling.
  • Page 152 SECTION 14—WHEELS/MOTORS Standard Gearless/Brushless Motor Before 1/26/04 NOTE: For this procedure, refer to FIGURE 14.14 on page 153. Removing 1. Remove the battery boxes. Refer to Removing/Installing Battery Boxes on page 121. 2. Unthread the mounting screws that secure the wiring harness connector to the motor. 3.
  • Page 153 SECTION 14—WHEELS/MOTORS 6. Secure motor lock lever in place on the brake release shaft with existing mounting screw. 7. Install the drive wheel from the wheelchair. Refer to Removing/Installing Drive Wheels on page 138. 8. If necessary, install the 22NF battery box tray. Refer to Removing/Installing Battery Boxes on page 121.
  • Page 154 SECTION 14—WHEELS/MOTORS Heavy Duty Gearless/Brushless Motor NOTE: For this procedure, refer to FIGURE 14.15 on page 155. Removing 1. Remove the battery boxes. Refer to Removing/Installing Battery Boxes on page 121. 2. Unthread the mounting screws that secure the wiring harness connector (not shown) to the motor.

  • Page 155: Removing/Installing The Ssd Motor/Gearbox Assembly

    SECTION 14—WHEELS/MOTORS Upper Gearless/Brushless Motor Lock Cotter Pin Mounting Fender Bracket Lever Rod Screws Lower Gearless/Brushless Mounting Motor Screws Washers Suspension Arm Motor Lock Lever Spacers Brake Release Lever Wiring Harness from Controller Connects to the Motor Here FIGURE 14.15 Removing/Installing the Motor - Heavy Duty Gearless/Brushless Motor Removing/Installing the SSD Motor/Gearbox Assembly NOTE: For this procedure, refer to FIGURE 14.16 on page 156.
  • Page 156 SECTION 14—WHEELS/MOTORS 8. Remove the two upper hex head screws securing the fender assembly and the motor/gearbox assembly to the suspension arm. 9. Remove the two lower hex head screws securing the motor/gearbox assembly to the suspension arm. Installing the SSD Motor/Gearbox Assembly 1.

  • Page 157: Replacing The Ssd Motor Or Gearbox Only

    SECTION 14—WHEELS/MOTORS Replacing the SSD Motor or Gearbox Only NOTE: For this procedure, refer to FIGURE 14.16 on page 156. NOTE: Take note of the position and orientation of the motor in relation to the gearbox before separating the motor from the gearbox. 1.

  • Page 158: Aligning The Ssd Motor To The Gearbox

    SECTION 14—WHEELS/MOTORS Aligning the SSD Motor to the Gearbox 1. If adjusting an assembled motor/gearbox, loosen the square neck bolt, spacer, washer and locknut securing the band clamp to the motor/gearbox assembly. 2. Align the motor to the gearbox according to the table below: WHEELCHAIR LEFT SIDE RIGHT SIDE...

  • Page 159: Installing The Ssd Motor Push/Drive Label

    SECTION 14—WHEELS/MOTORS Installing the SSD Motor Push/Drive Label NOTE: For this procedure, refer to FIGURE 14.19. 1. Peel the label from the adhesive backing. 2. Position the label on the motor near the brake lever as shown. 3. If necessary, repeat STEPS 1-2 for opposite motor to install the remaining push/drive label.
  • Page 160 SECTION 14—WHEELS/MOTORS 6. Secure the fender and spacer to the 4 pole fender bracket, in the orientation shown, with two pan head tap screws provided. Securely tighten. 7. Reinstall the drive wheel. Refer to Removing/Installing Drive Wheels on page 138. LONGER SHORTER Mounting Screw...
  • Page 161 SECTION 14—WHEELS/MOTORS Standard Gearless/Brushless Motors Before 1/26/04 NOTE: For this procedure, refer to FIGURE 14.21 on page 161. Installing 1. Remove the drive wheel. Refer to Removing/Installing Drive Wheels on page 138. 2. Remove two top mounting screws and flat washers (not shown) that secure the gearless/brushless motor to the suspension arm.
  • Page 162 SECTION 14—WHEELS/MOTORS Heavy Duty Gearless/Brushless Motors NOTE: For this procedure, refer to FIGURE 14.22 on page 163. Installing 1. Remove the rim and tire from the heavy duty gearless/brushless motor. Refer to Removing/Installing the Rim and/or Tire on page 145. 2.

  • Page 163: Removing/Installing Gearbox

    SECTION 14—WHEELS/MOTORS Two (2) Top Gearless/Brushless Mounting Screws Fender Bracket Fender Suspension Arm Pan Head Tap Screws Fender Spacer FIGURE 14.22 Installing/Removing Fenders - Heavy Duty Gearless/Brushless Motors Removing/Installing Gearbox NOTE: For this procedure, refer to FIGURE 14.23. Removing 1. Remove the drive wheels from the wheelchair. Refer to Removing/Installing Drive Wheel Hub on page 140.
  • Page 164 SECTION 14—WHEELS/MOTORS Installing CAUTION The REAR hex screws that secure the gearbox to the suspension arm MUST be 5/16-18 x 2-1/2-inches long and the FRONT hex screws that secure the gearbox to the suspension arm MUST be 5/16-18 x 1-1/4-inches long. Otherwise damage to the gearbox casting can result.

  • Page 165: Section 15-Electronics

    SECTION 15—ELECTRONICS SECTION 15—ELECTRONICS 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. Repositioning the Joystick - Van Seat Models NOTE: For this procedure, refer to FIGURE 15.1 on page 166. 1.

  • Page 166: Removing/Installing The Mkiv Controller

    SECTION 15—ELECTRONICS Lug Bolt (STEPS 7, 9) Armrest Plate Armrest Insert Armrest Pad Locknuts (STEPS 3, 16) Phillips Screw (STEPS 5, 13) Locknut (STEPS 7, 9) Phillips Screw (STEPS 4, 14) Washers (STEPS 7, 9) Spacers (STEPS 3, 16) Hex Bolts Armrest (STEPS 3, 16) Joystick Mounting...
  • Page 167 SECTION 15—ELECTRONICS 2. Secure the front of the MKIV controller and one end of the jumper cable to the controller bracket with one of the new 8-32 x 1/2-inch mounting screw and lockwasher. Securely tighten. 3. Secure one side of the controller bracket to the base frame as shown in FIGURE 15.2 with one of the new 5/16-18 x 1-inch hex head cap screw.
  • Page 168 SECTION 15—ELECTRONICS Removing GB Controller (Wheelchairs Equipped with Non-Powered Seating Systems) NOTE: For this procedure, refer to FIGURE 15.3 on page 169. 1. Remove the battery boxes. Refer to Removing/Installing Battery Boxes on page 121. 2. Remove the controller shroud (if applicable). 3.
  • Page 169 SECTION 15—ELECTRONICS Jumper Cable 8-32 x 1/2 Inch Mounting Screws 5/16-18 x 1 Inch Hex Head Cap Screw Lockwashers 10-32 x 1/2 Inch Mounting Screws GB Controller Controller Bracket FIGURE 15.3 Installing/Removing Gb Controller (Wheelchairs Equipped with Non-Powered Seating Systems) Removing MKIV Controller (Wheelchairs Equipped with 2 Generation Tarsys®...
  • Page 170 SECTION 15—ELECTRONICS Installing MKIV Controller (Wheelchairs Equipped with 2 Generation Tarsys® Powered Seating Systems) NOTE: For this procedure, refer to FIGURE 15.4. 1. Secure the rear of the MKIV controller to the controller bracket with two of the new 8-32 x 1/2-inch mounting screws. Securely tighten. 2.
  • Page 171 SECTION 15—ELECTRONICS Removing GB Controller (Wheelchairs Equipped with 2 Generation Tarsys Powered Seating Systems) NOTE: For this procedure, refer to FIGURE 15.5. 1. Remove the battery boxes. Refer to Removing/Installing Battery Boxes on page 121. 2. Remove the controller shroud (if applicable). 3.
  • Page 172 SECTION 15—ELECTRONICS Jumper Cable 10-32 x 1/2 Inch Mounting Screw Lockwashers 10-32 x 1/2 Inch Mounting Screws Controller Bracket 5/16-18 x 1 Inch Hex Head Cap Screws GB Controller FIGURE 15.5 Removing/Installing GB Controller (Wheelchairs Equipped with 2nd Generation Tarsys Powered Seating Systems) 3G Storm Series®...

  • Page 173: Section 16-Manual Recliners

    SECTION 16—MANUAL RECLINERS SECTION 16—MANUAL RECLINERS 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. Positioning Limit Switch NOTE: For this procedure, refer to FIGURE 16.1 on page 174. NOTE: The battery charger connector, as well as, the limit switch are factory set on the right side of the wheelchair.

  • Page 174: Adjusting Limit Switch

    SECTION 16—MANUAL RECLINERS Limit Switch Mounting Screws Sensor (DO NOT Overtighten) Actuator Mounting Screws Washers Tie Wraps Wire Seat Retainer Frame Mounting Screws (DO NOT Overtighten) Limit Switch Actuator Gas Cylinder Sensor Washers Pivot Block FIGURE 16.1 Positioning Limit Switch Adjusting Limit Switch WARNING NEVER operate the wheelchair while in any recline position over 105°...

  • Page 175: Replacing Recliner Cable Assemblies

    SECTION 16—MANUAL RECLINERS CAUTION DO NOT over tighten the mounting screws that secure the actuator to the pivot block. Damage to the actuator will occur. C. Only tighten the two mounting screws and washers that secure the actuator to the gas cylinder pivot block until the actuator does not move.
  • Page 176 SECTION 16—MANUAL RECLINERS 8. With the operator of the new recliner cable assembly on the inside of the recliner seat frame, line up the mounting hole in the operator of the new recliner cable assembly with the gas cylinder rod. CAUTION DO NOT force the gas cylinder rod into the operator of the recliner cable assembly.

  • Page 177: Replacing/Adjusting Gas Cylinders

    SECTION 16—MANUAL RECLINERS Cable Snapped Handle Mounting Bracket Into Slot Mounting Screw Screw Washer Cable Fitting Seated Properly Locknut Nylon Washers Gas Cylinder Back Cane No Slack Tie Wraps in Cable Cylinder Jam Nut Pivot Block Cable Operator NO Movement in Operator of the Recliner Cable Assembly FIGURE 16.3 Replacing Recliner Cable Assemblies Replacing/Adjusting Gas Cylinders...
  • Page 178 SECTION 16—MANUAL RECLINERS 4. Screw cylinder rod of the new gas cylinder into the pivot block until the threads of the cylinder rod are flush with inside of pivot block (FIGURE 16.4). 5. With the operator of the recliner cable assembly on the inside of the recliner seat frame, line up the mounting hole in the operator of the recliner cable assembly with the new gas cylinder rod.

  • Page 179: Adjusting Gas Cylinder

    SECTION 16—MANUAL RECLINERS 10. Reinstall the mounting screw through the mounting bracket of the back cane, nylon washer, new gas cylinder, nylon washer, mounting bracket and washer and securely tighten with the existing locknut. Torque to 75 in-lbs (6.25 ft-lbs)(8.47 Nm). 11.
  • Page 180 SECTION 16—MANUAL RECLINERS 3. Remove the mounting screws, washers and locknuts that secure the Top of the gas cylinders to the mounting bracket on the back canes. 4. Remove the mounting screws, washers and locknuts that secure the back canes to the seat frame.

  • Page 181: Changing Seat Depth

    SECTION 16—MANUAL RECLINERS Headrest Mounting Bracket Extension Tube Back Cane Spreader Bar Mounting Screw Washer Locknut Push Pin Seat Frame NOTE: Upholstery not shown for clarity. FIGURE 16.5 Changing Back Height Changing Seat Depth NOTE: For this procedure, refer to FIGURE 16.6 on page 182. NOTE: 16-inch, 17-inch, 18-inch or 19-inch seat depths cannot be increased to 20-inches or deeper.

  • Page 182: Changing Seat Width

    SECTION 16—MANUAL RECLINERS If the current seat depth is an even number, i.e., *16-inches, 18-inches, 20-inches or 22-inches, the seat depth cannot be decreased without changing the seat frame. Refer to Installing/Replacing Adjustable 16 to 19-Inch Deep Recliner Seat Frame onto Arrow or Ranger X Base Frame on page 183.
  • Page 183 SECTION 16—MANUAL RECLINERS Installing/Replacing Adjustable 16 to 19-Inch Deep Recliner Seat Frame onto Arrow or Ranger X Base Frame NOTE: For this procedure, refer to FIGURE 16.7 on page 184. 1. Perform instructions outlined in Preparation for Removing/Installing Seat Frame on page 65: 2.
  • Page 184 SECTION 16—MANUAL RECLINERS Recliner Seat Assembly Mounting Screws Spacer Warning Label Inside of Suspension Arm Assembly Base Frame Seat Mount Plate Locknuts FIGURE 16.7 Installing/Replacing Adjustable 16 to 19-Inch Deep Recliner Seat Frame onto Arrow or Ranger X Base Frame 3G Storm Series®...

  • Page 185: Section 17-Anti-Tippers/ Shocks

    SECTION 17—ANTI-TIPPERS/ SHOCKS SECTION 17—ANTI-TIPPERS/ SHOCKS 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. Shock or Rubber Element Replacement Group 24 Batteries NOTE: For this procedure, refer to FIGURE 17.1 on page 187 and FIGURE 17.2 on page 188.
  • Page 186 SECTION 17—ANTI-TIPPERS/ SHOCKS WARNING The Battery Box Retainer/Retainer Clip MUST be fastened securely in place before using the wheelchair. Use Loctite 242 and torque to 160 in-lbs (13.3 ft-lbs)(18.03 Nm). i. Position retainer clip between shock and battery box sub-frame making sure the retainer clip mounting hole is towards the bottom and the closed end of clip is against battery box retainer bar.
  • Page 187 SECTION 17—ANTI-TIPPERS/ SHOCKS Top of Shock or Rubber Element Wheelchairs Equipped With Vent Tray Wheelchairs Equipped Without Vent Tray Battery Box Sub-Frame Spacer Rearmost Battery Front of Chair Mounting Screws (Loosen) Sub-Frame Rear of Chair Spacer Mounting Screws (Loosen) Base Frame Retainer Clip (Closed End)
  • Page 188 SECTION 17—ANTI-TIPPERS/ SHOCKS Bottom of Shock or Rubber Element Shock or Rubber Element Anti-Tip Bracket Short Locknuts Spacer Suspension Arm for Gearless/Brushless Long 2 Inch Motors Washers Spacer Spacers NOTE: Hardware is mounted inside of the anti-tip bracket Large Washer Small Washer 5-16 - 18 x 3-1/2 Inch...

  • Page 189: Shock Spring Replacement

    SECTION 17—ANTI-TIPPERS/ SHOCKS 9. Install the 22NF battery box. Refer to Removing/Installing Battery Boxes on page 121. Shock or Rubber Element Mounting Screw Base Frame FIGURE 17.3 Shock or Rubber Element Replacement - 22NF Batteries Shock Spring Replacement NOTE: For this procedure, refer to FIGURE 17.4 on page 190. 1.

  • Page 190: Anti-Tipper Wheel Replacement

    SECTION 17—ANTI-TIPPERS/ SHOCKS Group 22 Batteries Group 24 Batteries Shock Hex Screws Spacer Mounting Battery Box Screw Retainer Bar Shock Eyelet Suspension Assembly Retainer Clip NOTE: Shock exploded away for clarity. There is no need to remove shock from suspension arm. Shock Eyelet Assembly Spring Retainer...

  • Page 191: Removing/Installing The 3-Inch Anti-Tip Assembly

    SECTION 17—ANTI-TIPPERS/ SHOCKS Spacer Anti-Tipper Wheel Locknut Spacer FIGURE 17.5 Anti-Tipper Wheel Replacement Removing/Installing the 3-inch Anti-Tip Assembly NOTE: For this procedure, refer to FIGURE 17.6. 1. Remove the 5/16-18 x 3-1/2-inch hex head cap screw, two short spacers, two large washers, and locknut that secure the rear of the anti-tip bracket and shock (or rubber element) to the suspension arm.

  • Page 192: Limited Warranty

    LIMITED WARRANTY For warranty information, please refer to the original user manual which came with this product or contact Invacare for more information. www.invacare.com Invacare Corporation Canada © 2015 Invacare Corporation. All rights One Invacare Way 570 Matheson Blvd E Unit 8 reserved.

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Torque sp rwdRanger x rwd3g storm series

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