Invacare Arrow RWD Service Manual
  1. Manuals
  2. Brands
  3. Invacare Manuals
  4. Wheelchair
  5. Arrow RWD
  6. Service manual
Invacare Arrow RWD Service Manual

Invacare Arrow RWD Service Manual

Invacare 3g storm series wheelchairs service manual
Hide thumbs Also See for Arrow RWD:
Table of Contents

Advertisement

Quick Links

See also: Service Manual
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.
1
Part No. 1104849
3G Storm Series
Wheelchairs
®

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Arrow RWD and is the answer not in the manual?

Questions and answers

Related Manuals for Invacare Arrow RWD

Summary of Contents for Invacare Arrow RWD

  • Page 1 Service Manual ® 3G Storm Series Wheelchairs Arrow ® Torque SP RWD ™ ™ Ranger X DEALER: KEEP THIS MANUAL. THE PROCEDURES IN THIS MANUAL MUST BE PERFORMED BY A QUALIFIED TECHNICIAN. Part No. 1104849 3G Storm Series Wheelchairs ®...

  • Page 2: Special Notes

    Transportation has not approved any tie-down systems for transportation of a user while in a wheelchair, in a moving vehicle of any type. It is Invacare’s position that users of wheelchairs should be transferred into appropriate seating in vehicles for transportation and use be made of the restraints made available by the auto industry.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS NOTE: The information in this owner's manual applies to the ARROW, TORQUE SP, RANGER X, and the RECLINER wheelchairs except where specified. SPECIAL NOTES ................2 TYPICAL PRODUCT PARAMETERS ........... 6 ARROW ................................6 TORQUE SP ..............................
  • Page 4 TABLE OF CONTENTS SECTION 6 - SEAT FRAME SECTION 6 - SEAT FRAME .......................... SECTION 6 - SEAT FRAME SECTION 6 - SEAT FRAME SECTION 6 - SEAT FRAME ....................................... 29 PREPARATION FOR REMOVING/INSTALLING SEAT FRAME (STANDARD FRAME, ASBA AND VAN SEAT) ................ 29 REPLACING SAME SIZE STANDARD SEAT FRAME ..............
  • Page 5 TABLE OF CONTENTS SECTION 12 - WHEELS/MOTORS ............. 83 REPLACING PNEUMATIC TIRES/TUBES - DRIVE WHEELS/CASTERS ....... 83 REMOVING/INSTALLING DRIVE WHEELS ..................83 REMOVING/INSTALLING DRIVE WHEEL HUB ................85 REMOVING/INSTALLING GB MOTOR SPACER ................. 86 REMOVING/INSTALLING ADPATER PLATE WITH STUDS............ 86 INSTALLING WHEEL LOCK BRACKET ONTO WHEELCHAIR ...........

  • Page 6: Typical Product Parameters

    TYPICAL PRODUCT PARAMETERS - ARROW TYPICAL PRODUCT PARAMETERS - ARROW SEAT WIDTH RANGE: Standard: 12 to 24-inches Recliner: 14 to 24-inches SEAT DEPTH RANGE: Standard: 12 to 24-inches Recliner: 14 to 24-inches BACK HEIGHT RANGE: Standard: 12 to 24-inches Recliner: 18½...
  • Page 7 TYPICAL PRODUCT PARAMETERS - ARROW TYPICAL PRODUCT PARAMETERS - ARROW PHYSICAL DIMENSIONS CASTERS W/PRECISION SEALED BEARINGS SEMI-PNEUMATIC: Standard: 8 X 2¼-inches Option: 6 X 2-inches (w/ shock fork) PNEUMATIC OR FOAM FILLED: Standard: 8 X 2-inches Option: 9 X 2¾-inches ANTI-TIPPERS (3-INCH WHEELS): Standard CASTER FORKS:...

  • Page 8: Torque Sp

    TYPICAL PRODUCT PARAMETERS - TORQUE SP TYPICAL PRODUCT PARAMETERS - TORQUE SP SEAT WIDTH RANGE: Standard: 12 to 22-inches Recliner: 14 to 22-inches SEAT DEPTH RANGE: Standard: 12 to 22-inches Recliner: 16 to 22-inches BACK HEIGHT RANGE: Standard: 12 to 24-inches Recliner: 18½...
  • Page 9 TYPICAL PRODUCT PARAMETERS - TORQUE SP TYPICAL PRODUCT PARAMETERS - TORQUE SP PHYSICAL DIMENSIONS CASTERS W/PRECISION SEALED BEARINGS SEMI-PNEUMATIC: Standard: 8 x 1¼-inches Option: 6 x 2-inches (w/ shock fork) PNEUMATIC OR FOAM FILLED: Standard: 8 x 2-inches Option: 9 x 2¾-inches ANTI-TIPPERS (3-INCH WHEELS): Standard CASTER FORKS:...

  • Page 10: Ranger X

    TYPICAL PRODUCT PARAMETERS - RANGER X TYPICAL PRODUCT PARAMETERS - RANGER X SEAT WIDTH RANGE: Standard: 12 to 22-inches Recliner: 14 to 22-inches SEAT DEPTH RANGE: Standard: 12 to 22-inches Recliner: 14 to 22-inches BACK HEIGHT RANGE: Standard: 12 to 24-inches Recliner: 18½...
  • Page 11 TYPICAL PRODUCT PARAMETERS - RANGER X TYPICAL PRODUCT PARAMETERS - RANGER X PHYSICAL DIMENSIONS CASTERS W/PRECISION SEALED BEARINGS SEMI-PNEUMATIC: Standard: 8 X 2-1/4-inches Option: 6 X 2-inches (w/ shock fork) PNEUMATIC OR FOAM FILLED: Standard: 8 X 2-inches Option: 9 X 2-3/4-inches ANTI-TIPPERS (3-INCH WHEELS): Standard CASTER FORKS:...

  • Page 12: 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,...
  • Page 13 BATTERIES 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. Carefully read battery/battery charger information prior to installing, servicing or operating your wheelchair.
  • Page 14 For safe product function, material compatibility, proper installation, operation and maintenance, you must only use parts, accessories and adapters manufactured or supplied by Invacare. DO NOT use any other parts, accessories, or adapters. Otherwise, the warranty is void. DO NOT stand on the frame of the wheelchair.

  • Page 15: Label Location

    GENERAL GUIDELINES SECTION 1 TIRE PRESSURE WARNING The recommended tire pressure is listed on the side wall of each tire. DO NOT use your wheelchair unless it has the proper tire pressure. (P.S.I.). DO NOT overinflate the tires. A qualified technician MUST perform replacement of a pneumatic tire or tube.

  • Page 16: Warning/Caution Label Location

    1070497 SHIPPING TIE DOWN RESTRAINTS Invacare recommends that wheelchair users NOT be transported in vehicles of any kind while in wheelchairs. As of this date, the Department of Transportation has not approved any tie-down systems for transportation of a user while in a wheelchair, in a moving vehicle of any type.

  • Page 17: Section 2 - Troubleshooting

    Battery Charger NOTE: READ the instructions CAREFULLY Connector 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 Digital Voltmeter...

  • Page 18: Motor Testing

    Let motors cool. If caps still cannot be removed, it is recommended that the motor be sent to Invacare Technical Services for inspection/repair. 4 Pin Motor Connector FIGURE 3 - MOTOR BRUSH...

  • Page 19: Electro-Mechanical Parking Brake Testing

    (Ω). A reading of 0 ohms (Ω) or a very high reading; i.e., MEG ohms or O.L. (out of limit) indicates a shorted brake or an open connection respectively. If either condition exists, send the motor to Invacare Technical Service for inspection/repair. CAUTION...

  • Page 20: Section 3 - Hardware Torque Specifications

    SECTION 3 HARDWARE TORQUE SPECIFICATIONS HARDWARE TORQUE SPECIFICATIONS STANDARD SEAT FRAME *Torque to 60 in-lbs *Loctite and ® *Loctite Torque to Torque to 75 in-lbs 75 in-lbs Torque to 156 in-lbs **Torque to 156 in-lbs **Torque to 156 in-lbs NOTE: * These torque specifications also apply to the ASBA assembly.

  • Page 21: Van Seat

    HARDWARE TORQUE SPECIFICATIONS SECTION 3 HARDWARE TORQUE SPECIFICATIONS *VAN SEAT Loctite and Torque to 75 in-lbs Torque to 156 in-lbs Torque to 156 in-lbs * NOTE: For additional torque specifications, refer to the torque specifications drawing for the standard seat frame assembly. Part No.

  • Page 22: Asba

    SECTION 3 HARDWARE TORQUE SPECIFICATIONS HARDWARE TORQUE SPECIFICATIONS *ASBA (ADJUSTABLE SEAT BACK ANGLE) Torque to Torque to 156 in-lbs 156 in-lbs Torque to 75 in-lbs Torque to 156 in-lbs Torque to 156 in-lbs * NOTE: For additional torque specifications, refer to the torque specifications drawing for the standard seat frame assembly.

  • Page 23: Base Frame - Conventional Motor/Gearbox

    HARDWARE TORQUE SPECIFICATIONS SECTION 3 HARDWARE TORQUE SPECIFICATIONS BASE FRAME - CONVENTIONAL MOTOR/GEARBOX Torque to Loctite and torque to 156 in-lbs 156 in-lbs Torque to REAR OF 85 ft-lbs WHEELCHAIR Loctite and Torque to 156 in-lbs Torque to 156 in-lbs (Torque to FRONT OF 156 in-lbs...

  • Page 24: Base Frame - Standard Gearless/Brushless And Heavy Duty Gearless/Brushless Motors

    SECTION 3 HARDWARE TORQUE SPECIFICATIONS HARDWARE TORQUE SPECIFICATIONS BASE FRAME - STANDARD GEARLESS/BRUSHLESS MOTOR (FOR WHEELCHAIRS BUILT BEFORE 1/26/04) NOTE: All torque specifications called out for the conventional motor/gearbox assembly are applicable to the gearless/brushless motor except for the specs called out below. Adjustment Screw Torque...

  • Page 25: Replacing Van Seat Armrest Pads

    ARMS SECTION 4 This Section Includes the Following: Replacing Van Seat Armrest Pads 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 (FIGURE 1) 1.

  • Page 26: Section 5 - Upholstery/Positioning Strap

    SECTION 5 UPHOLSTERY/POSITIONING STRAP This Section Includes the Following: Replacing Van Seat Positioning Strap Replacing Back Upholstery 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.

  • Page 27: Replacing Back Upholstery

    UPHOLSTERY/POSITIONING STRAP SECTION 5 REPLACING BACK UPHOLSTERY (FIGURE 2) 1. Remove one (1) armrest from the wheelchair. Refer to INSTALLING/REMOVING FLIP BACK ARMRESTS in SECTION 4 of the Owner’s Manual, part number 1104782 or 1123757. 2. If applicable, remove the two (2) mounting screws and locknuts that secure the spreader bar to the back canes.
  • Page 28 SECTION 5 UPHOLSTERY/POSITIONING STRAP NOTE: When replacing the back upholstery, back assembly or changing back height, follow these guidelines for spreader bar height: STANDARD MODELS ◆ ◆ ◆ ◆ ◆ BACK HEIGHT SPREADER BAR HEIGHT 16-inches* 5-inches 17-inches* 5-inches 18-19-inches* 7-inches 20-24-inches 7-inches...

  • Page 29: Section 6 - Seat Frame Section 6 - Seat Frame

    SEAT FRAME SECTION 6 This Section Includes the Following: Preparation for Removing/Installing Seat Frame (Standard Frame, ASBA, and Van Seat) Replacing Same Size Standard Seat Frame Removing/Installing Standard Seat Frame Subassembly Changing Seat Depth Changing Seat Width (Standard and ASBA) Installing/Removing ASBA Subassembly and/or Component Replacement Installing/Removing Van Seat Assembly Replacing Van Seat and/or Van Seat Frame...
  • Page 30 SECTION 6 SEAT FRAME 3. Cut tie wraps and disconnect joystick from controller. 4. Turn the lever on the adjustment lock to release the adjustment lock from Adjustment Lock Back Upholstery the joystick mounting tube. Lever for Joystick (STEP 10) (STEP 4) 5.

  • Page 31: Replacing Same Size Standard Seat Frame

    SEAT FRAME SECTION 6 REPLACING SAME SIZE STANDARD SEAT FRAME 1. Perform the instructions outlined in PREPARATION FOR REMOVING/INSTALLING SEAT FRAME (STANDARD FRAME, ASBA, AND VAN SEAT) in this section of the manual. 2. Remove the existing standard seat frame subassembly and install the NEW standard frame.

  • Page 32: Changing Seat Depth

    SECTION 6 SEAT FRAME CHANGING SEAT DEPTH STANDARD SEAT FRAME NOTE: Review the chart below. This will determine the components needed to obtain the desired seat depth. COMPONENT IDENTIFICATION TABLE FOR STANDARD SEAT FRAME 1. Find current seat depth in left hand column in the chart.
  • Page 33 SEAT FRAME SECTION 6 ASBA (FIGURE 3) NOTE: Review the chart below. This will determine the components needed to obtain your desired seat depth. COMPONENT IDENTIFICATION TABLE 1. Find current seat depth in left FOR STANDARD SEAT FRAME hand column in the chart. SEAT FRAME COMPONENTS 2.
  • Page 34 SECTION 6 SEAT FRAME E. Remove the four (4) mounting screws that secure the EXISTING center frame to support brackets. F. Remove existing center frame from seat mount plates. G. Secure NEW center frame to support brackets with the existing four (4) mounting screws and locknuts.
  • Page 35 SEAT FRAME SECTION 6 CHANGING SEAT DEPTH BETWEEN 12 AND 15-INCHES (FIGURE 4) NOTE: There are two (2) 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 36: Changing Seat Width (Standard And Asba)

    SECTION 6 SEAT FRAME CHANGING SEAT WIDTH (STANDARD AND ASBA) STANDARD SEAT FRAME NOTE: If changing seat width below 16-inches wide, you must convert to an ASBA. Refer to CONVERTING FROM STANDARD TO ASBA OR VICE VERSA in this section of the manual. For all changes above 16-inches wide, perform the outlined steps.
  • Page 37 SEAT FRAME SECTION 6 WARNING Both side frames MUST be adjusted to the same mounting hole position to maintain proper weight balance of user and seat frame. If weight is not balanced, injury to the assistant and/or user and damage to the wheelchair may result. 6.

  • Page 38: Installing/Removing Asba Subassembly And/Or Component Replacement

    SECTION 6 SEAT FRAME INSTALLING/REMOVING ASBA SUBASSEMBLY AND/OR COMPONENT REPLACEMENT (FIGURE 6) CONVERTING FROM ASBA TO STANDARD SEAT FRAME OR VAN SEAT NOTE: This section must be performed in conjunction with a starting procedure. 1. Remove the four (4) mounting screws that secure the two (2) support brackets of the ASBA subassembly to the seat mounting plates.
  • Page 39 SEAT FRAME SECTION 6 4. Remove the four (4) mounting screws and locknuts that secure the center frame to the support brackets. 5. Secure NEW center frame to support brackets with existing four (4) mounting screws and locknuts. Torque to 156 in-lbs. WARNING Both side frames MUST be adjusted to the same mounting hole position to maintain proper weight balance of user and seat frame.

  • Page 40: Installing/Removing Van Seat Assembly

    SECTION 6 SEAT FRAME INSTALLING/REMOVING VAN SEAT ASSEMBLY Van Seat (FIGURE 7) INSTALLING VAN SEAT 1. Position the van seat on the seat Seat mounting plates at the position shown Mounting in FIGURE 7. Plate Mounting Screws (Torque to 2. Line up mounting holes in the van seat 156 in-lbs) frame and the mounting holes in the Base...

  • Page 41: Converting From Standard Seat Frame To Asba Or Vice Versa

    SEAT FRAME SECTION 6 4. Replace the van seat or the seat frame. 5. Secure new/existing van seat to the new/existing van seat frame with existing four (4) mounting screws and spacers. Torque to 75 in-lbs. 6. Install new van seat assembly onto the wheelchair. Refer to INSTALLING/ REMOVING VAN SEAT ASSEMBLY in this section of the manual.

  • Page 42: Converting From Asba To Van Seat Or Vice Versa

    SECTION 6 SEAT FRAME CONVERTING FROM ASBA TO VAN SEAT OR VICE VERSA 1. Perform the instructions outlined in PREPARATION FOR REMOVING/INSTALLING SEAT FRAME (STANDARD FRAME, ADJUSTABLE FRAME, AND VAN SEAT) in this section of the manual. 2. Perform one (1) of the following: A.

  • Page 43: Converting From Standard Seat Frame To Van Seat Or Vice Versa

    SEAT FRAME SECTION 6 CONVERTING FROM STANDARD SEAT FRAME TO VAN SEAT OR VICE VERSA 1. Perform the instructions outlined in PREPARATION FOR REMOVING/INSTALLING SEAT FRAME (STANDARD FRAME, ADJUSTABLE FRAME, AND VAN SEAT) in this section of the manual. 2. Perform one (1) of the following: A.
  • Page 44 SECTION 6 SEAT FRAME INSTALLING 1. Position the NEW seat pan on the seat frame, aligning the mounting holes of the seat pan and the mounting holes of the seat frame. 2. Position the seat positioning strap and quick release pin tab onto the seat Mounting frame and secure with mounting screw Screws...

  • Page 45: Seat Angle Adjustment

    SEAT FRAME SECTION 6 SEAT ANGLE ADJUSTMENT (FIGURE 10) NOTE: The angle of the seat is factory set providing the user with a 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 or 10 seat dump.

  • Page 46: Section 7 - Base Frame

    SECTION 7 BASE FRAME This Section Includes the Following: Replacing Seat Mounting Plates Replacing Seat Support Brackets Replacing Seat Support Bracket T-Nuts Replacing Battery Charger Bracket and T-Nut Removing/Installing Seat Stop Screws 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.

  • Page 47: Replacing Seat Support Brackets

    BASE FRAME SECTION 7 5. Repeat STEPS 1-2 for opposite side, if necessary. NOTE: For illustrations of the three (3) different seat mounting plates, refer to SEAT ANGLE ADJUSTMENT in SECTION 6 of this manual. 6. Adjust seat mounting plates to desired angle. Refer to SEAT ANGLE ADJUSTMENT in SECTION 6 of this manual.

  • Page 48: Replacing Seat Support Bracket T-Nuts

    SECTION 7 BASE FRAME Mounting Screws 7. Adjust seat mount plates to desired angle. Refer to SEAT ANGLE Washer ADJUSTMENT in SECTION 6 of this manual. Seat Support Bracket 8. Reverse STEP 2. 9. Perform the instructions Base T-Nut Frame outlined in PREPARATION FOR REMOVING/INSTALLING SEAT FRAME (STANDARD...

  • Page 49: Replacing Battery Charger Bracket And T-Nut

    BASE FRAME SECTION 7 NOTE: Before removing seat mounting plates, note the position of the washers. 4. Remove the seat support brackets. Refer to REPLACING SEAT SUPPORT BRACKETS in this section of the manual. 5. Remove the seat stop screw that is closest to the end cap. Refer to REMOVING/ INSTALLING SEAT STOP SCREWS in this section of the manual.

  • Page 50: Removing/Installing Seat Stop Screws

    SECTION 7 BASE FRAME 4. Remove the two (2) mounting screws that secure the battery charger connector to the mount bracket. 5. Remove battery charger connector from mount bracket. 6. Remove the mounting screw which secures the battery charger mount bracket to the T-nut located in the channel of the base frame.

  • Page 51: Section 8 - Back Frame

    BACK FRAME SECTION 8 This Section Includes the Following: Removing/Installing CJ Back Brackets Changing Back Height Back Angle Adjustment 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.
  • Page 52 SECTION 8 BACK FRAME WARNING CJ Bracket Always wear your seat positioning mounts in Front strap. Holes on Back Angle Plates. DETAIL “A” 3. Position the seat positioning strap and quick release pin under the CJ back Toward Front of bracket.

  • Page 53: Changing Back Height

    BACK FRAME SECTION 8 CHANGING BACK HEIGHT (FIGURE 2) NOTE: If changing the back height, new back upholstery may be needed as well. Read the following to determine if new back upholstery is needed: Back upholsery height ranges are 16 to 17-inches, 18 to 19-inches, 20-inches, 21 to 22-inches, 23 to 24-inches ●...
  • Page 54 SECTION 8 BACK FRAME 14. Secure the top of the existing/new back upholstery to the back canes with the two (2) existing mounting screws and washers. 15. Secure bottom of the existing/NEW back upholstery to rear of the seat pan. 16.

  • Page 55: Back Angle Adjustment

    BACK FRAME SECTION 8 BACK ANGLE ADJUSTMENT (FIGURE 3) 1. Remove armrests from the wheelchair. Refer to INSTALLING/REMOVING FLIP BACK ARMRESTS in SECTION 4 of the Owner’s Manual, part number 1104782 or 1123757. 2. Remove the mounting screw and washer from the top mounting hole of back angle plate and back cane.

  • Page 56: Section 9 - Batteries

    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. 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 57: Using The Proper Batteries

    BATTERIES SECTION 9 USING THE PROPER BATTERIES (FIGURES 1 AND 2) 1. Place battery on ground/flat surface. 2. Visually draw a horizontal and vertical centerline through the middle of battery. 3. Position the battery so that the terminals are above the horizontal centerline. 4.
  • Page 58 SECTION 9 BATTERIES WARNING FOR 3G STORM WHEELCHAIRS THAT USE GP24 BATTERIES: Batteries with terminal configuration (positive on the right and negative on the left) as shown below MUST be used. Batteries that have the reverse terminal configuration MUST not be used - otherwise injury and damage may occur. Terminals must have a cross hole in them as shown in DETAIL “A”...

  • Page 59: Installing/Removing Batteries Into/From Battery Boxes

    BATTERIES SECTION 9 INSTALLING/REMOVING BATTERIES INTO/FROM BATTERY BOXES (FIGURE 3) NOTE: To remove the battery(ies) from the battery box(es), reverse the following procedure. NOTE: Have the following tools available: TOOL COMMENTS Battery Lifting Strap Supplied 1/2-inch (6 pt) Box Wrench Not Supplied 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.

  • Page 60: Disconnecting/Connecting Battery Cables

    SECTION 9 BATTERIES DISCONNECTING/CONNECTING BATTERY CABLES WARNING NEVER allow any of your tools and/or battery cable(s) to contact BOTH battery post(s) at the same time. An electrical short may occur and serious personal injury or damage may occur. The use of rubber gloves and chemical goggles or face shields is recommended when working with batteries.
  • Page 61 BATTERIES SECTION 9 5. Verify battery cable clamps(s) are correctly installed and securely tightened. 6. Reposition battery clamp covers over battery post(s). 7. Install the battery box top(s). 8. Install the battery box(es) into the wheelchair. Refer to REMOVING/INSTALLING BATTERY BOXES in this section of this manual. NOTE: New Battery(ies) MUST be fully charged BEFORE using, otherwise the life of the battery(ies) will be reduced.
  • Page 62 SECTION 9 BATTERIES GROUP 24 BATTERIES ON WHEELCHAIRS BUILT AFTER 1/25/04 (FIGURE 5) Disconnecting. NOTE: Perform this section on one (1) battery and battery box at a time. Repeat section for other battery box. 1. Lift up on battery box lid to expose underlying cables. 2.
  • Page 63 BATTERIES SECTION 9 DETAIL “A” - CONNECTING CABLES TO TERMINALS Mounting Screw Top View of Battery Locknut POSITIVE (+) Locknut Battery Terminal/Post NEGATIVE (-) Battery Terminal/Post Fuse Mounting Screw Black NEGATIVE Battery Cable RED POSITIVE (+) Battery Cable TWO (2) CONNECTOR ONE (1) CONNECTOR BATTERY BOX BATTERY BOX...
  • Page 64 SECTION 9 BATTERIES 22NF BATTERIES IN SINGLE BATTERY BOX (FIGURE 5) 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 5. 2. Disconnect WHITE battery cable (jumper) NEGATIVE terminal end from NEGATIVE (-) battery terminal/post of front battery and disconnect POSITIVE terminal end from POSITIVE (+) battery terminal/post of rear battery.
  • Page 65 BATTERIES SECTION 9 STEPS 3 AND 4 Battery Front Box Bottom FRONT Battery NEGATIVE (-) Battery STEP 2 Rear Front Terminal/Post Battery Battery FRONT NEGATIVE (-) Single BLACK Battery Battery Cable WHITE Bottom Battery Battery Cable Box Top POSITIVE (+) Rear (Jumper) (Under Side...

  • Page 66: When To Charge Batteries

    SECTION 9 BATTERIES WHEN TO CHARGE BATTERIES (FIGURE 6) MKIV-A AND MKIV-RII JOYSTICKS The Battery Discharge Indicator (BDI) is a bar graph display located on the MKIV joystick. It will keep you informed as to power availability. A visual warning is Battery Discharge Indicator Battery Discharge given before the power becomes too low...
  • Page 67 NEVER leave the charger unattended when the charger circuit breaker is tripping ON and OFF. A condition between the battery charger and batteries exists. Contact an Invacare dealer. NOTE: If performing the charging procedures independently, READ and CAREFULLY follow the individual instructions for each charger (supplied or purchased).

  • Page 68: Charging Batteries

    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. WHEELCHAIRS EQUIPPED WITH...

  • Page 69: Replacing Batteries

    BATTERIES SECTION 9 REPLACING BATTERIES NOTE: Invacare recommends that both batteries be replaced if one (1) 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 70 SECTION 9 BATTERIES BATTERY REQUIREMENTS AND WEIGHT LIMITATIONS (FOR WHEELCHAIRS BUILT BEFORE 1/26/04) MODEL WEIGHT MOTOR BATTERY LIMITATION ARROW Up to 300 lbs Gearless/Brushless Group 24 Up to 400 lbs 4 Pole Motor Group 24 TORQUE SP Up to 250 lbs 4 Pole Motor *22NF 251-300 lbs...

  • Page 71: Removing/Installing Battery Boxes

    BATTERIES SECTION 9 CLEANING BATTERY TERMINALS WARNING Most batteries are not sold with instructions. However, warnings are frequently noted 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.
  • Page 72 SECTION 9 BATTERIES Installing. 1. Place the wheelchair in a well ventilated area where work can be performed without risking damage to carpeting or floor covering. 2. Verify the joystick ON/OFF switch is in the OFF position. 3. Secure the battery box carrying strap to the lid of the two (2) connector battery box. 4.
  • Page 73 BATTERIES SECTION 9 GROUP 24 BATTERY BOXES FOR WHEELCHAIRS EQUIPPED WITH VENT TRAY (FIGURE 9) WARNING Each battery weighs 51 pounds. Use proper lifting techniques (lift with your legs) to avoid injury. Removing. 1. Place the wheelchair in a well ventilated area where work can be performed without risking damage to carpeting or floor covering.
  • Page 74 SECTION 9 BATTERIES 7. Place one (1) connector battery box onto battery sub-frame. 8. Slide one (1) connector battery box along the sub-frame until its guide pins are engaged in the connector of the two (2) connector battery box. NOTE: Visually inspect to ensure the connection is properly made. Connectors MUST be fully engaged. CAUTION The battery box retainer MUST be locked securely to hold the battery boxes firmly in place or battery box connectors may be damaged causing...

  • Page 75: Section 10 - Wiring Harness

    WIRING HARNESS SECTION 10 This Section Includes the Following: Removing/Installing the Wiring Harness Adjusting Limit Switch 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 (FIGURE 1) Removing.
  • Page 76 SECTION 10 WIRING HARNESS WHEELCHAIRS WITH GEARLESS/BRUSHLESS MOTOR OPTION: A. Secures the battery charger cable to the base frame with TIE-WRAP A (DETAIL “C”). 5. Reinstall the battery boxes. Refer to REMOVING/INSTALLING BATTERY BOXES in SECTION 9 of this manual. DETAIL A - GROUP 24 BATTERIES Wire Harness Mounting...
  • Page 77 WIRING HARNESS SECTION 10 22NF BATTERIES (FIGURE 2) Removing. 1. Remove the battery boxes. Refer to REMOVING/INSTALLING BATTERY BOXES in SECTION 9 of this manual. 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 78 SECTION 10 WIRING HARNESS DETAIL “A” - 22NF BATTERIES Joystick Cable Wiring Harness NOTE: Illustration depicts gearless/brushless motor. Wiring harness is secured to the rear of the seat frame in the same manner for wheelchairs with conventional motor/gearbox assembly. DETAIL “B” - WHEELCHAIRS DETAIL “C”...

  • Page 79: Adjusting Limit Switch

    WIRING HARNESS SECTION 10 ADJUSTING LIMIT SWITCH (FIGURE 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. If the limit switch does not stop the wheelchair from °...
  • Page 80 SECTION 10 WIRING HARNESS B. Loosen, but do not remove, the two (2) phillips screws, washers and locknuts that secure the actuator to the upper limit switch bracket. C. Slide the actuator UP (towards the top of the wheelchair). CAUTION DO NOT over tighten the phillips screws that secure the actuator to the upper limit switch bracket.

  • Page 81: Replacing Battery Box Retainer Bar/Retainer Clip

    RETENTION STRAP/RETAINER SECTION 11 This Section Includes the Following: Replacing Battery Box Retainer Bar/Retainer Clip 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 BATTERY BOX RETAINER BAR/RETAINER CLIP (FIGURE 1) 1.

  • Page 82: Section 11 - Retention Strap/Retainer

    SECTION 11 RETENTION STRAP/RETAINER Rubber Element Mounting Screws Retainer Retainer Clip Battery Box Spacer Sub-frame Shock Assembly Base Frame FIGURE 1 - REPLACING BATTERY BOX RETAINER BAR/RETAINER CLIP 3G Storm Series Wheelchairs Part No. 1104849 ®...

  • Page 83: Section 12 - 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 84 SECTION 12 WHEELS/MOTORS REMOVING 1. Remove the battery boxes. Refer to REMOVING/INSTALLING BATTERY BOXES in SECTION 9 of this manual. 2. Remove the four (4) 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.

  • Page 85: Removing/Installing Drive Wheel Hub

    WHEELS/MOTORS SECTION 12 REMOVING/INSTALLING DRIVE WHEEL HUB (FIGURE 2) REMOVING 1. Remove the drive wheel from the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in this section of the manual. 2. Remove the locknut, washer, keystock and existing drive wheel hub from the drive shaft of the motor/gearbox assembly.

  • Page 86: Removing/Installing Gb Motor Spacer

    SECTION 12 WHEELS/MOTORS REMOVING/INSTALLING GB MOTOR SPACER (FIGURE 3) REMOVING 1. Remove the drive wheel from the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in this section of the manual. 2. Remove the four (4) locknuts that secure the GB motor spacer to the GB motor. INSTALLING GB Motor 1.

  • Page 87: Installing Wheel Lock Bracket Onto Wheelchair

    WHEELS/MOTORS SECTION 12 INSTALLING WHEEL LOCK BRACKET ONTO WHEELCHAIR (FIGURE 5) 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. Remove the two (2) mounting screws closest to the large wheel that secure the gearbox to the suspension arm.

  • Page 88: Removing/Installing The Rim And/Or Tires

    SECTION 12 WHEELS/MOTORS REMOVING/INSTALLING THE RIM AND/OR TIRE (FIGURE 6) NOTE: This procedure is for wheelchairs equipped with heavy duty gearless/brushless motors before 1/26/04 and standard gearless/brushless motors after 1/25/04. REMOVING 1. Remove the battery boxes. Refer to REMOVING/INSTALLING BATTERY BOXES in SECTION 9 of this manual.

  • Page 89: Removing/Installing Casters

    WHEELS/MOTORS SECTION 12 B. Secure new/existing rim and new/existing tire with flat free to gearless/brushless motor with the three (3) M8 x 1-1/4 x 25 mm mounting screws (not provided). See DETAIL “A” in FIGURE 6. NOTE: Once all three (3) mounting screws are in place, install one (1) shorter mounting screw in each of the two (2) remaining mounting holes.

  • Page 90: Replacing Forks

    SECTION 12 WHEELS/MOTORS INSTALLING CASTERS 1. Position the caster into the fork. 2. Reinstall the mounting screw, washers, spacers and locknut that secure the caster to the fork. 3. Torque locknut to 10 ft-lbs (120 in-lbs). 4. Loosen the locknut 1/8 of a turn. 5.

  • Page 91: Removing/Installing The Motor

    WHEELS/MOTORS SECTION 12 REMOVING/INSTALLING THE MOTOR CONVENTIONAL MOTOR WITH GEARBOX (FIGURE 9) Removing. 1. Disconnect the right and/or left motor connector from the controller. 2. Remove the two (2) allen screws and washers that secure the motor to the gearbox. CAUTION DO NOT damage the motor/gearbox coupling.
  • Page 92 SECTION 12 WHEELS/MOTORS STANDARD GEARLESS/BRUSHLESS MOTOR BEFORE 1/26/04 (FIGURE 10) Removing. 1. Remove the battery boxes. Refer to REMOVING/INSTALLING BATTERY BOXES in SECTION 9 of this manual. 2. Unthread the mounting screws that secure the wiring harness connector to the motor. 3.
  • Page 93 WHEELS/MOTORS SECTION 12 8. If necessary, install the 22NF battery box tray. Refer to REMOVING/INSTALLING 22NF BATTERY BOX TRAY in SECTION 15 of this manual. 9. Plug the wiring harness connector into the motor. 10. Secure the wiring harness connector to the motor with the existing two (2) mounting screws.
  • Page 94 SECTION 12 WHEELS/MOTORS HEAVY DUTY GEARLESS/BRUSHLESS MOTOR (FIGURE 11) Removing. 1. Remove the battery boxes. Refer to REMOVING/INSTALLING BATTERY BOXES in SECTION 9 of this manual. 2. Unthread the mounting screws that secure the wiring harness connector (not shown) to the motor. 3.
  • Page 95 WHEELS/MOTORS SECTION 12 Upper Mounting Screws Gearless/Brushless Fender Bracket Motor Lock Lever Rod Cotter Pin Gearless/ Brushless Motor Lower Mounting Screws Washers Suspension Motor Lock Brake Spacers Lever Release Lever WIRING HARNESS FROM CONTROLLER CONNECTS TO THE MOTOR HERE FIGURE 11 - REMOVING/INSTALLING THE MOTOR - HEAVY-DUTY GEARLESS/BRUSHLESS MOTOR Part No.

  • Page 96: Installing/Removing Fenders

    SECTION 12 WHEELS/MOTORS INSTALLING/REMOVING FENDERS 4 POLE MOTORS (FIGURE 12) Installing. 1. Remove the drive wheel. Refer to REMOVING/INSTALLING THE DRIVE WHEELS in this section of the manual. NOTE: When performing STEPS 2 and 3, only the two (2) mounting screws on the side of the suspension arm where the drive wheel mounts need to be removed in order to install the fender.
  • Page 97 WHEELS/MOTORS SECTION 12 Removing. 1. Remove the drive wheel. Refer to REMOVING/INSTALLING THE DRIVE WHEELS in this section of the manual. NOTE: When performing STEPS 2 and 3, only the two (2) mounting screws on the side of the suspension arm where the drive wheel mounts need to be removed in order to remove the fender. 2.
  • Page 98 SECTION 12 WHEELS/MOTORS STANDARD GEARLESS/BRUSHLESS MOTORS BEFORE 1/26/04 (FIGURE 13) Installing. 1. Remove the drive wheel. Refer to REMOVING/INSTALLING THE DRIVE WHEELS in this section of the manual. 2. Remove two (2) top mounting screws and flat washers (not shown) that secure the gearless/brushless motor to the suspension arm.
  • Page 99 WHEELS/MOTORS SECTION 12 HEAVY DUTY GEARLESS/BRUSHLESS MOTORS (FIGURE 14) Installing. 1. Remove the rim and tire from the heavy duty gearless/brushless motor. Refer to REMOVING/INSTALLING THE RIM AND/OR TIRE in this section of the manual. 2. Remove two (2) top mounting screws and flat washers (not shown) that secure the gearless/brushless motor to the suspension arm.

  • Page 100: Section 13 - Electronics Section 13 - Electronics

    SECTION 13 ELECTRONICS This Section Includes the Following: Repositioning MKIV Joystick - Van Seat Models Removing/Installing the MKIV Controller 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.

  • Page 101: Removing/Installing The Mkiv Controller

    ELECTRONICS SECTION 13 REMOVING/INSTALLING THE MKIV CONTROLLER REMOVING MKIV CONTROLLER (WHEELCHAIRS EQUIPPED WITH NON-POWERED SEATING SYSTEMS) (FIGURE 2) 1. Remove the battery boxes. Refer to REMOVING/INSTALLING THE BATTERY BOXES in SECTION 9 of this manual. 2. Remove the controller shroud (if applicable). 3.
  • Page 102 SECTION 13 ELECTRONICS 8-32 x 1/2-inch Mounting Screws Jumper Cable 5/16-18 x 1-inch Hex Head Cap Screw Lockwasher 5/16-18 x 1-inch Hex Head 8-32 x 1/2-inch Cap Screw Mounting Screws Controller MKIV Controller Bracket FIGURE 2 - REMOVING/INSTALLING THE MKIV CONTROLLER (WHEELCHAIRS EQUIPPED WITH NON-POWERED SEATING SYSTEMS) 3G Storm Series...
  • Page 103 ELECTRONICS SECTION 13 REMOVING GB CONTROLLER (WHEELCHAIRS EQUIPPED WITH NON-POWERED SEATING SYSTEMS) (FIGURE 3) 1. Remove the battery boxes. Refer to REMOVING/INSTALLING THE BATTERY BOXES in SECTION 9 of this manual. 2. Remove the controller shroud (if applicable). 3. Remove the 5/16-18 x 1-inch hex head cap screw that secures the controller bracket and jumper cable to the base frame.
  • Page 104 SECTION 13 ELECTRONICS 8-32 x 1/2-inch Mounting Screws Jumper Cable 5/16-18 x 1-inch Hex Head Cap Screw Lockwashers 10-32 x 1/2-inch 5/16-18 x 1-inch Mounting Screw Hex Head Controller Bracket Cap Screw GB Controller FIGURE 3 - REMOVING/INSTALLING THE GB CONTROLLER (WHEELCHAIRS EQUIPPED WITH NON-POWERED SEATING SYSTEMS) 3G Storm Series...
  • Page 105 ELECTRONICS SECTION 13 REMOVING MKIV CONTROLLER (WHEELCHAIRS EQUIPPED WITH 2ND GENERATION POWERED SEATING SYSTEMS) (FIGURE 4) 1. Remove the battery boxes. Refer to REMOVING/INSTALLING THE BATTERY BOXES in SECTION 9 of this manual. 2. Remove the controller shroud (if applicable). 3.
  • Page 106 SECTION 13 ELECTRONICS 5/16-18 x 1-inch Hex Head Cap Screw Jumper Cable 8-32 x 1/2-inch 8-32 Mounting x 1/2-inch Screws Mounting Screw Controller Bracket Lockwasher MKIV 5/16-18 x 1-inch hex Controller Head Cap Screw FIGURE 4 - REMOVING/INSTALLING THE MKIV CONTROLLER (WHEELCHAIRS EQUIPPED WITH 2ND GENERATION POWERED SEATING SYSTEM) 3G Storm Series...
  • Page 107 ELECTRONICS SECTION 13 REMOVING GB CONTROLLER (WHEELCHAIRS EQUIPPED WITH 2ND GENERATION POWERED SEATING SYSTEMS) (FIGURE 5) 1. Remove the battery boxes. Refer to REMOVING/INSTALLING THE BATTERY BOXES in SECTION 9 of this manual. 2. Remove the controller shroud (if applicable). 3.
  • Page 108 SECTION 13 ELECTRONICS 5/16-18 x 1-inch Hex Head Cap Screw 10-32 x 1/2-inch Jumper Mounting Screws Cable (STEP 1) 10-32 x 1/2-inch Mounting Screw Controller Bracket Lockwashers 5/16-18 x 1-inch Hex Head Cap Screw GB Controller FIGURE 5 - REMOVING/INSTALLING THE GB CONTROLLER (WHEELCHAIRS EQUIPPED WITH 2ND GENERATION POWERED SEATING SYSTEM) 3G Storm Series...

  • Page 109: Section 14 - Recliner

    RECLINER SECTION 14 This Section Includes the Following: Positioning Limit Switch Adjusting Limit Switch Replacing Recliner Cable Assemblies Replacing/Adjusting Gas Cylinders Changing Back Height Changing Seat Depth Changing Seat Width Installing/Replacing Adjustable 16 to 19-inch Deep Recliner Seat Frame onto Arrow or X Base WARNING After ANY adjustments, repair or service and BEFORE use, make sure that all attaching hardware is tightened securely - otherwise injury or...

  • Page 110: Adjusting Limit Switch

    SECTION 14 RECLINER 9. Secure limit switch sensor to the seat frame with the two (2) mounting screws and washers. 10. Secure the wire retainer onto the INSIDE of the seat frame with the mounting screw. 11. Tie wrap the limit switch wire to the seat frame. 12.

  • Page 111: Replacing Recliner Cable Assemblies

    RECLINER SECTION 14 C. Only tighten the two (2) mounting screws and washers that secure the actuator to the gas cylinder pivot block until the actuator does not move. D. Repeat STEPS 1 and 2 until the wheelchair does not operate when the gas cylinder rod is 3-21/32-inch long.
  • Page 112 SECTION 14 RECLINER CAUTION DO NOT force the gas cylinder rod into the operator of the recliner cable assembly. DO NOT cross thread the operator of the recliner cable assembly with the gas cylinder. If slack in the recliner cable or movement in the operator of the cable assembly can not be eliminated, DO NOT use the recliner cable assembly.

  • Page 113: Replacing/Adjusting Gas Cylinders

    RECLINER SECTION 14 REPLACING/ADJUSTING GAS CYLINDERS (FIGURE 4) WARNING Replace ONE (1) gas cylinder at a time to avoid injury. Both gas cylinders MUST be operational and adjusted properly BEFORE using the recliner. DO NOT operate the recliner if only one (1) of the gas cylinders is operational or adjusted properly.

  • Page 114: Changing Back Height

    SECTION 14 RECLINER 9. Line up the mounting holes of the NEW gas cylinder and the bracket of the back cane. 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.
  • Page 115 RECLINER SECTION 14 6. Turn the spreader bar on the existing back canes CLOCKWISE (toward back upholstery) and remove the spreader bar from the existing back canes. 7. Loosely install the spreader bar onto the NEW back cane handles by rotating the spreader bar COUNTERCLOCKWISE (away from the back canes).

  • Page 116: Changing Seat Depth

    SECTION 14 RECLINER CHANGING SEAT DEPTH (FIGURE 6) NOTE: 16-inch, 17-inch, 18-inch or 19-inch seat depths CAN NOT be increased to 20-inches or deeper. If needing to increase to a seat depth of 20-inches or deeper, the base frame MUST be converted from a STANDARD base frame to a LONG base frame as well.

  • Page 117: Changing Seat Width

    RECLINER SECTION 14 CHANGING SEAT WIDTH To change seat width, the seat frame must be changed to the desired width. Refer to INSTALLING/REPLACING ADJUSTABLE 16 TO 19-INCH DEEP RECLINER SEAT FRAME ONTO ARROW OR X BASE FRAME in this section of the manual. NOTE: If changing the seat width of the wheelchair, the back and headrest upholstery, seat pan and cushion also need to be changed.
  • Page 118 SECTION 14 RECLINER 6. Position limit switch onto wheelchair. Recliner Refer to POSITIONING LIMIT Mounting Seat Assembly SWITCH in this section of the manual. Screws 7. Reinstall recliner seat pan with existing six (6) mounting screws. 8. Install the two (2) warnings labels onto the two (2) suspension arm assemblies.

  • Page 119: Section 15 - Rwd Wheelchairs

    RWD WHEELCHAIRS SECTION 15 This Section Includes the Following: Removing/Installing Group 24 Battery Box Sub-Frame Removing/Installing 22NF Battery Box Tray Converting 22NF Battery Box Tray to Group 24 Battery Box Sub-Frame Shock or Rubber Element Replacement Shock Spring Replacement Removing/Installing Gearbox Adjusting Weight Distribution Repositioning the Motor Replacing Suspension Arm for Wheelchairs with Motor/Gearbox Assembly...
  • Page 120 SECTION 15 RWD WHEELCHAIRS 2. Perform one (1) of the following: A. WHEELCHAIRS EQUIPPED WITH VENT TRAY - Reinstall the four (4) mounting screws that secure the shocks, retainer bar, spacers and retainer clips to the base frame. Use Loctite 242 and torque mounting screws to 160 in-lbs. B.

  • Page 121: Removing/Installing 22Nf Battery Box Tray

    RWD WHEELCHAIRS SECTION 15 REMOVING/INSTALLING 22NF BATTERY BOX TRAY (FIGURE 2) REMOVING Battery Mount 1. Remove the battery box. Refer to Locknuts Bracket REMOVING/INSTALLING BATTERY BOXES in SECTION 9 of this manual. Bolts 2. Remove the two (2) rear locknuts that secure the battery box tray to battery mount brackets.
  • Page 122 SECTION 15 RWD WHEELCHAIRS Washer Locknut Battery Mount Bracket Spacer Mounting Screws *Rubber Element (or Shock Assembly) Base Frame *NOTE: Illustration depicts rubber element. Battery Mount Brackets remove in the same manner for the shock assembly. FIGURE 3 - REMOVING 22NF COMPONENTS INSTALLING GROUP 24 COMPONENTS (FIGURE 4) 1.
  • Page 123 RWD WHEELCHAIRS SECTION 15 B. WHEELCHAIRS EQUIPPED WITHOUT VENT TRAY - Reinstall the four (4) mounting screws that secure the shocks and spacers to the base frame. 5. Perform STEPS 2-7 of REMOVING/INSTALLING THE WIRING HARNESS in SECTION 10 of this manual to complete the wiring harness installation. 6.

  • Page 124: Shock Or Rubber Element Replacement

    SECTION 15 RWD WHEELCHAIRS SHOCK OR RUBBER ELEMENT REPLACEMENT GROUP 24 BATTERIES (FIGURES 5 AND 6) 1. Remove the group 24 battery boxes. Refer to REMOVING/INSTALLING BATTERY BOXES in SECTION 9 of this manual. 2. Remove the drive wheel from the wheel hub. Refer to REMOVING/INSTALLING THE DRIVE WHEELS in SECTION 12 of this manual.
  • Page 125 RWD WHEELCHAIRS SECTION 15 B. Wheelchairs without vent tray - Secure the top of shock to base frame. Apply Loctite 242 and torque to 160 in-lbs. 8. Perform one (1) of the following sections: A. FOR SHOCKS - Secure the NEW shock to the anti-tip bracket and suspension arm with the existing mounting screw, two (2) large washers, two (2) short spacers, and locknut.
  • Page 126 SECTION 15 RWD WHEELCHAIRS BOTTOM OF SHOCK or RUBBER ELEMENT Shock or RUBBER ELEMENT Rubber Element Short Locknuts Spacer Suspension Arm Anti-tip Long for Gearless/ Bracket Spacer Brushless Motors Washers 2-inch Spacer NOTE: Hardware is mounted inside Large of the anti-tip bracket Washer Small Washer...

  • Page 127: Shock Spring Replacement

    RWD WHEELCHAIRS SECTION 15 Shock or 7. Secure the bottom of the NEW shock Rubber Element to the suspension arm with the existing Mounting Screw Base mounting screw and locknut. Apply Frame Loctite 242 and torque to 160 in-lbs. (FIGURE 6). 8.
  • Page 128 SECTION 15 RWD WHEELCHAIRS GROUP 22 BATTERIES GROUP 24 BATTERIES Shock Screws Spacer Battery Box Mounting Retainer Bar Screw Shock Eyelet Retainer Clip Suspension Assembly NOTE: Shock exploded away for clarity. There is no need to remove shock from suspension arm. Shock Eyelet Spring Assembly...

  • Page 129: Removing/Installing Gearbox

    RWD WHEELCHAIRS SECTION 15 REMOVING/INSTALLING GEARBOX (FIGURE 9) REMOVING 1. Remove the drive wheels from the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in SECTION 12 of this manual. 2. Remove the drive wheel hub from the 5/16-18 x 2-1/2-inch Hex Screws existing gearbox drive shaft.

  • Page 130: Adjusting Weight Distribution

    SECTION 15 RWD WHEELCHAIRS ADJUSTING WEIGHT DISTRIBUTION (FIGURE 10) NOTE: Seat mount plates and seat support brackets allow the seat frame to be repositioned along the base frame. The range is determined by position of the seat stop screws. The front seat stop screw is positioned at 4-inches and the rear seat stop screw is positioned at 10-inches.

  • Page 131: Repositioning The Motor

    RWD WHEELCHAIRS SECTION 15 REPOSITIONING THE MOTOR REPOSITIONING THE MOTOR/GEARBOX (FIGURE 11) NOTE: The motor/gearbox assembly can be repositioned to lengthen or shorten the wheelbase by 2-inches in 1-inch increments. STANDARD POSITION - LENGTHENS the wheelbase and gives you the most stability and standard maneuverability.
  • Page 132 SECTION 15 RWD WHEELCHAIRS REPOSITIONING THE STANDARD GEARLESS/BRUSHLESS MOTOR - BEFORE 1/26/04 (FIGURES 12 AND 13) 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. ARROW AND RANGER X WITH ARROW, RANGER X, AND FIXED BACK...
  • Page 133 RWD WHEELCHAIRS SECTION 15 Motor 1. Determine the desired mounting Brake Release position of the gearless/brushless Shaft Adjustment Motor motor. Refer to ACCEPTABLE Screw Release MOUNTING POSITIONS FOR THE Lever GEARLESS/BRUSHLESS MOTOR in this section of the manual. 2. Remove the 22NF battery box or group 24 battery boxes.
  • Page 134 SECTION 15 RWD WHEELCHAIRS REPOSITIONING THE HEAVY DUTY GEARLESS/BRUSHLESS MOTOR (FIGURE 14) 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. 2-INCH FORWARD - N/A 1.

  • Page 135: Replacing Suspension Arm For Wheelchairs With Motor/Gearbox Assembly

    RWD WHEELCHAIRS SECTION 15 REPLACING SUSPENSION ARM FOR WHEELCHAIRS WITH MOTOR/GEARBOX ASSEMBLY (FIGURE 15) 1. Remove the drive wheels from the wheelchair. Refer to REMOVING/ Suspension Arm INSTALLING DRIVE WHEELS in SECTION 12 of this manual. 2. Loosen the hex screws that secure Beveled Washers wiring harness to sub-frame assembly.

  • Page 136: Replacing The Suspension Arm For Wheelchairs With Gearless/Brushless Motor

    SECTION 15 RWD WHEELCHAIRS REPLACING SUSPENSION ARM FOR WHEELCHAIRS WITH GEARLESS/BRUSHLESS MOTORS (FIGURE 16) 1. Perform one (1) of the following: Suspension Arm A. Remove the seating system. Refer to the Seating Systems Owner’s Manual for removal/ Beveled installation instructions. Washers B.

  • Page 137: Anti-Tipper Wheel Replacement

    RWD WHEELCHAIRS SECTION 15 ANTI-TIPPER WHEEL REPLACEMENT (FIGURE 17) 1. Remove the locknuts, hex screws and Spacer spacers that secure the anti-tipper Locknut Spacer wheels to the anti-tip bracket 2. Replace anti-tipper wheel(s) and torque existing hardware to 156 in-lbs. DO NOT overtighten.
  • Page 138 NOTES NOTES 3G Storm Series Wheelchairs Part No. 1104849 ®...

  • Page 139: Limited Warranty

    WARRANTY LIMITED WARRANTY For warranty information, please refer to the original owner’s manual which came with this product, or contact Invacare for more information. Part No. 1104849 3G Storm Series Wheelchairs ®...
  • Page 140 Invacare Corporation Canada One Invacare Way 570 Matheson Blvd E Unit 8 Invacare, Yes, you can., the Medallion Elyria, Ohio USA Mississauga Ontario Design, Storm Series and Arrow are 44036-2125 L4Z 4G4 Canada registered trademarks of Invacare 800-333-6900 800-668-5324 Corporation.

This manual is also suitable for:

Torque sp rwdRanger x rwd3g storm arrow rwd3g storm torque sp rwd3g storm ranger x rwd

Table of Contents