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Invacare A-6S Owner's Operator And Maintenance Manual

Invacare wheelchair owner's operator and maintenance manual
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  • Page 2 WARNING DO NOT OPERATE THIS EQUIPMENT WITHOUT FIRST READING AND UNDERSTANDING THIS MANUAL. IF YOU ARE UNABLE TO UNDERSTAND THE WARNINGS, CAUTIONS AND INSTRUCTIONS, CONTACT A QUALIFIED TECHNICIAN BEFORE ATTEMPTING TO USE THIS EQUIPMENT - OTHERWISE INJURY OR DAMAGE MAY RESULT. THE INITIAL SETUP OF THIS WHEELCHAIR MUST BE PERFORMED BY A WARNING QUALIFIED TECHNICIAN.

  • Page 3: Table Of Contents

    PROCEDURE 4 - FRAME ... 17 BACK ANGLE ADJUSTMENT - ADJUSTABLE BACKS ONLY ... 17 BACK HEIGHT ADJUSTMENT ... 18 REPLACING SEAT FRAME - A-6/A-6S ONLY ... 18 REAR SEAT-TO-FLOOR HEIGHT ADJUSTMENT - A-6/A-6S ONLY ... 19 REPLACING TURNBUCKLE ASSEMBLY - A-6/A-6S ONLY ...

  • Page 4: Special Notes

    It is Invacare’s position that users of wheelchairs should be transferred into appropriate seating in ve- hicles for transportation and use be made of the restraints made available by the auto industry. Invacare cannot and does not recommend any wheelchair transportation systems.

  • Page 5: Specifications

    13 to 21-1/2-inches in 1/2-inch increments * Fixed rear seat-to-floor is determined at time of purchase and can be equal to or up to 4-inches less than front seat-to-floor. A-6/A-6S - Fold Down Only F-6/F-6S - Fold Down or Fixed 8 to 20-inches - Adjustable (8-11, 10-14, 12-16, 14-18 or 16-20-inch ranges) 94°, 90°, 85°, 84°, 77°, 73°...

  • Page 6: Procedure 1 General Guidelines

    PROCEDURE 1 This Procedure includes the following: Stability Operating Information Tire Pressure Weight Training Weight Limitation Safety/Handling of Wheelchairs STABILITY The position of the footrest, seat angle, back angle, seating system/upholstery, caster size and position, rear wheel size and position, anti-tippers, as well as the user condition directly relate to the stability of the wheelchair.
  • Page 7 Anti-tippers MUST BE attached at all times. Inasmuch as the ANTI-TIPPERS are an option on this wheel- chair (You may order with or without the anti-tippers), Invacare strongly recommends ordering the anti-tippers as an additional safeguard for the wheelchair user.

  • Page 8: Tire Pressure

    NOT been designed or tested as a seat for any kind of weight training. If occupant uses said wheelchair as a weight training apparatus, Invacare shall NOT be liable for bodily injury and the warranty will be voided immediately.

  • Page 9: Safety/Handling Of Wheelchairs

    Individual wheelchair users often develop skills to deal with daily living activities that may differ from those described in this manual. Invacare recognizes and encourages each individual to try what works best for him/her in overcoming architectural obstacles that they may encounter, however ALL WARNINGS and CAUTIONS given in this manual MUST be followed.
  • Page 10 PROCEDURE 1 Example 46% UNOCCUPIED LENGTHENING WHEELBASE Telescoping Tube Functional Reach From a Wheelchair The approximate reach-limit values shown in the accom- panying graph were derived on the basis of a sample of 91 male and 36 female wheelchair users. Note the differ- ence between the maximum and the comfortable reach limits, a subjective but important consideration in design.
  • Page 11 Extreme caution is advised when it is necessary to move an occupied wheelchair up or down the stairs. Invacare recommends using two (2) assistants and making thorough preparations. Make sure to use ONLY secure, non-detachable parts for hand-held supports.
  • Page 12 PROCEDURE 1 Transferring To And From Other Seats WARNING BEFORE attempting to transfer in or out of the wheelchair, every precaution should be taken to reduce the gap distance. Align both casters parallel with the object you are transferring onto. Also be certain the wheel locks are engaged to help prevent the wheels from moving.

  • Page 13: Procedure 2 - Safety Inspection

    SAFETY INSPECTION This Procedure includes the following: Safety Inspection Checklist Troubleshooting Maintenance SAFETY INSPECTION CHECKLIST Initial adjustments should be made to suit your personal body structure and preference. Thereafter follow these maintenance procedures: ITEM GENERAL - (TROUBLESHOOTING) Wheelchair rolls straight (no excessive drag or pull to one side).

  • Page 14: Troubleshooting

    Use a ® Teflon lubricant if necessary. 11. Check Upholstery for sagging, rips or tears. 12. A-6S AND F-6S ONLY - Check elastomers for wear and/or damage. If wear or damage is found, replace elastomers. SAFETY INSPECTION CHAIR...

  • Page 15: Procedure 3 - Upholstery

    UPHOLSTERY This Procedure includes the following: Unfolding/Folding the Back Removing/Installing Standard Back Upholstery Adjustable Tension Back Upholstery Seat Upholstery Replacement WARNING After ANY adjustments, repair or service and BE- FORE use, make sure all attachment hardware is tightened securely - otherwise, injury or damage may result.

  • Page 16: Adjustable Tension Back Upholstery

    PROCEDURE 3 ADJUSTABLE TENSION BACK UPHOLSTERY (FIGURE 3) The Adjustable Tension Straps The adjuster straps can be adjusted at various levels of tension to accommodate individual end-users. The bot- tom two (2) straps can be adjusted tightly to support and/ or assist the extensor muscles.

  • Page 17: Procedure 4 - Frame

    This Procedure includes the following: Back Angle Adjustment - Adjustable Backs Only Back Height Adjustment Replacing Seat Frame - A-6/A-6S ONLY Rear Seat-to-Floor Height Adjustment - A-6/A-6S ONLY Replacing Turnbuckle Assembly - A-6/A-6S ONLY Opening/Closing Clamps Determining Toe in/Toe Out...

  • Page 18: Back Height Adjustment

    7. Remove the back angle bracket and back canes from the seat frame. 8. Disconnect turnbuckle assembly from seat frame. Refer to STEPS 1-3 in REPLACING THE TURN- BUCKLE ASSEMBLY - A6/A-6S ONLY in this pro- cedure of the manual. 12-16 14-18 16-20 9.

  • Page 19: Rear Seat-To-Floor Height Adjustment - A-6/A-6S Only

    Rear seat-to-floor height is a measurement taken at the rear of the seat from the horizontal position, and is measured in inches. The rear seat-to-floor height of the A-6/A-6S can be adjusted up to 4-inches below the front seat-to-floor height.

  • Page 20: Replacing Turnbuckle Assembly - A-6/A-6S Only

    Screws Threads Outside Screw Frame Crossmember FIGURE 5 - REPLACING TURNBUCKLE ASSEMBLY - A-6/A-6S ONLY OPENING/CLOSING CLAMPS (FIGURE 6) QUICK RELEASE LEVERS - Make sure the quick re- lease levers are in the CLOSED position BEFORE using the wheelchair, otherwise personal injury or damage to the wheelchair may result.

  • Page 21: Determining Toe In/Toe Out

    FRAME CAMBER CLAMPS STANDARD QUICK RELEASE Open Position Camber Clamp Hex Screw Closed Position Locknut Camber Clamp RECEIVER TUBE CLAMPS STANDARD Locknut Closed Position Bolt Open Position Receiver Tube Clamp Receiver Tube Clamp FIGURE 6 - OPENING/CLOSING CLAMPS DETERMINING TOE IN/TOE OUT (FIGURE 7) 1.
  • Page 22 PROCEDURE 4 AXLE TUBE POSITIONING FOR 0°/3°, 0°/6°, 3°/6° OR 9°/12° CAMBER INSERTS - NO ADJUSTMENT REQUIRED LEFT Toe Adjustment Ring LEFT Tab Stopped Against LOWER Metal Tab on Camber Clamp Axle Tube - LOCKED OUT by Toe Adjustment Rings and Will NOT Rotate AXLE TUBE POSITIONING FOR 0°/9°, 0°/12°, 3°/9°, 3°/12°, 6°/9°...

  • Page 23: Adjusting The Axle Tube

    FRAME CAUTION DO NOT close the quick-release levers or tighten the hex screws and locknuts without camber inserts in the axle tube. Damage to the axle tube will occur. 0°, 3° OR 6° CAMBER. 1. Open the camber clamps. Refer to OPENING/ CLOSING CLAMPS in this procedure of the manual.

  • Page 24: Repositioning Camber Inserts

    PROCEDURE 4 STEP 3 Flat Edge of Place "L" Square Camber Insert Here 90° Angle LOWER DEGREE OF CAMBER Set Screw Camber Clamp Metal Tab Axle Tube - Will Rotate UP Only HIGHER DEGREE OF CAMBER Set Screw Axle Tube RIGHT Toe Adjustment Ring Axle Tube - Will Rotate DOWN Only...

  • Page 25: Adjusting Wheelbase Length

    FRAME NOTE: Before using the wheelchair, make sure both camber inserts are set to the same indexing mark. This will make sure the distance between the rear wheel and the wheelchair is the same on both sides. 10. Wheelchairs equipped with 0°/9°, 0°/12°, 3°/9°, 6°/ 9°...

  • Page 26: Adjusting Wheelbase Width

    PROCEDURE 4 WARNING QUICK RELEASE LEVERS - Make sure the quick re- lease levers are in the CLOSED position BEFORE using the wheelchair, otherwise injury or damage to the wheelchair may result. STANDARD RECEIVER TUBE CLAMPS - Make sure the hex screws and locknuts are securely tight- ened BEFORE using the wheelchair, otherwise in- jury or damage to the wheelchair may result.

  • Page 27: Replacing Axle Tube

    FRAME REPLACING AXLE TUBE (FIGURE 13) NOTE: There is no need to remove the two (2) camber clamps when replacing the axle tube. 1. Note the position of the camber inserts so they can be installed to the original position in the new axle tube. 2.

  • Page 28: Repositioning The Axle Tube

    PROCEDURE 4 REPOSITIONING THE AXLE TUBE (FIGURES 14 AND 15) NOTE: This procedure should only be performed if chang- ing the front seat-to-floor height. Refer to ADJUSTING FRONT SEAT-TO-FLOOR HEIGHT in PROCEDURE 5 of this manual. NOTE: Right and left are determined by standing be- hind the wheelchair.

  • Page 29: Repositioning Quick Release Levers

    FRAME AXLE TUBE POSITIONS AXLE TELESCOPING CLAMP POSITION TUBE HOLE HOLE Telescoping Tube MIDDLE Telescoping Tube BOTTOM Telescoping Tube NOTE: Suspension telescoping tubes and tabs shown. Non-suspension telescoping tubes and anti-tipper sock- ets are not shown for clarity. * NOTE: When viewed from the front of the wheelchair, inside of the rear wheels, an inverted camber clamp has the tab or anti-tipper socket at the top of the axle tube.

  • Page 30: Removing/Installing Telescoping Tubes

    6. Reinstall the rear wheels. Refer to REMOVING/INSTALL- ING REAR WHEELS in PROCEDURE 5 of this manual. 7. A-6S AND F-6S WHEELCHAIRS ONLY - adjust sus- pension to correspond to the user's weight. Refer to REPLACING REAR ELASTOMERS in this proce- dure of the manual.

  • Page 31: Procedure 5 - Wheels

    REMOVING/INSTALLING REAR WHEELS (FIGURE 1) NOTE: Each wheelchair frame has been designed for a specific size rear wheel. Invacare does not recommend changing rear wheel size. 1. Push in the tip of the quick-release axle (with wheel) and pull the axle out through the opening in the cen- ter of the rear wheel.

  • Page 32: Installing Quad-Release Axle

    PROCEDURE 5 INSTALLING QUAD-RELEASE AXLE (FIGURE 3) 1. Remove rear wheel and existing quick-release axle from wheelchair. 2. Remove EXISTING quick-release axle from rear wheel hub. 3. Insert NEW quad-release axle through rear wheel hub. 4. Slide locking collar onto quad-release axle until it is snug against rear wheel and tighten securely with allen screw.

  • Page 33: Handrim Replacement

    NOTE: Any wheel lock adjustment should embed the wheel lock shoe at least 3/16-inch into the pneumatic tire when engaged. A-6S AND F-6S WHEELCHAIRS ONLY - Wheel locks MUST be checked for engagement with the wheelchair occupied AND unoccupied. Other- wise, injury or damage may occur.

  • Page 34: Replacing/Adjusting Casters

    PROCEDURE 5 REPLACING/ADJUSTING CASTERS (FIGURE 8) NOTE: Both casters should be the same size. 1. REPLACING CASTERS ONLY - If replacing the EXISTING caster with the same size NEW caster, note the mounting position of the EXISTING caster. 2. Remove the bolt and locknut that secure the caster and axle spacers to the fork.

  • Page 35: Adjusting Caster Height

    WHEELS ADJUSTING CASTER HEIGHT (FIGURE 10) 1. Place the wheelchair on a flat surface. 2. Remove the headtube cap on the fork. 3. Remove the locknut that secures the fork to the wheel- chair frame. 4. Perform one (1) of the following: A.

  • Page 36: Adjusting Front Seat-To-Floor Height

    Refer tothe chart in STABILITY in PROCEDURE 1 of this manual. NOTE: Each wheelchair frame has been designed for a specific size rear wheel. Invacare does not recommend changing rear wheel size. WARNING Forks for quick release casters are available in different sizes to accommodate spacers.
  • Page 37 WHEELS 17-INCH FRAME FRONT SEAT-TO-FLOOR HEIGHT NOTE: The seat-to-floor heights are based on pneumatic tires and pneumatic tires with flat free inserts. If wheelchair is equipped with urethane tires, subtract 1/2-inch from the measurements listed below. All heights are approximate to +1/4-inch due to tire wear and air pressure.
  • Page 38 PROCEDURE 5 18-INCH FRAME FRONT SEAT-TO-FLOOR HEIGHT NOTE: The seat-to-floor heights are based on pneumatic tires and pneumatic tires with flat free inserts. If wheelchair is equipped with urethane tires, subtract 1/2-inch from the measurements listed below. All heights are approximate to +1/4-inch due to tire wear and air pressure.
  • Page 39 WHEELS 19-INCH FRAME FRONT SEAT-TO-FLOOR HEIGHT NOTE: The seat-to-floor heights are based on pneumatic tires and pneumatic tires with flat free inserts. If wheelchair is equipped with urethane tires, subtract 1/2-inch from the measurements listed below. All heights are approximate to +1/4-inch due to tire wear and air pressure.
  • Page 40 PROCEDURE 5 20-INCH FRAME FRONT SEAT-TO-FLOOR HEIGHT NOTE: The seat-to-floor heights are based on pneumatic tires and pneumatic tires with flat free inserts. If wheelchair is equipped with urethane tires, subtract 1/2-inch from the measurements listed below. All heights are approximate to +1/4-inch due to tire wear and air pressure.
  • Page 41 WHEELS 21-INCH FRAME FRONT SEAT-TO-FLOOR HEIGHT NOTE: The seat-to-floor heights are based on pneumatic tires and pneumatic tires with flat free inserts. If wheelchair is equipped with urethane tires, subtract 1/2-inch from the measurements listed below. All heights are approximate to +1/4-inch due to tire wear and air pressure.

  • Page 42: Procedure 6 - Footrest

    PROCEDURE 6 This Procedure includes the following: Footrest Replacement/Adjustment WARNING After ANY adjustments, repair or service and BE- FORE use, make sure all attachment hardware is tightened securely - otherwise, injury or damage may result. FOOTREST REPLACEMENT/ ADJUSTMENT (FIGURE 1) WARNING The position of the footrest, seat angle, back angle, seating system/upholstery, caster size and...

  • Page 43: Procedure 7 - Anti-Tippers

    Anti-tippers MUST BE attached at all times. Inas- much as the ANTI-TIPPERS are an option on this wheelcahir (You may order it with or without the anti-tippers), Invacare strongly recommends or- dering the anti-tippers as an additional safeguard for the wheelchair user.

  • Page 44: Procedure 8 - Arms

    PROCEDURE 8 This Procedure includes the following: Installing the T-Arm Sockets Installing/Removing the T-Arms Adjusting the T-Arms Adjusting the T-Arm Transfer Assists and/or Side Guards Replacing the T-Arm Locking Lever Installing the Half Arm Socket Adjusting Half Arm Height WARNING NEVER try to lift or tip the wheelchair by T- or half arms, serious injury can occur.

  • Page 45: Adjusting The T-Arms

    ARMS Removing 1. Press in on the locking lever and lift the T-arm straight up and out of the T-arm socket. NOTE: If the T-arm does not slide up and down in the T- arm socket as desired, adjust the T-arm socket. Refer to ADJUSTING THE T-ARMS in this section of the manual.
  • Page 46 PROCEDURE 8 Adjusting T-Arm Depth (FIGURE 5) 1. Remove the two (2) phillips screws that secure the arm pad to the arm tube. 2. Remove the two (2) socket screws that secure the arm tube to the T-arm post. 3. Reposition the arm tube on the T-arm post: A.

  • Page 47: Adjusting The T-Arm Transfer Assists And/Or Side Guards

    ARMS ADJUSTING THE T-ARM TRANSFER ASSISTS AND/OR SIDE GUARDS (FIGURE 7) 1. Remove the T-arm from the wheelchair. Refer to IN- STALLING/REMOVING THE T-ARMS in this sec- tion of the manual. 2. Remove the bottom socket screw that secures the side guard to the bottom clamp.

  • Page 48: Installing The Half Arm Socket

    PROCEDURE 8 WARNING DO NOT over tighten the locknut that secures the locking lever to the bottom bracket. Over tight- ening this locknut will prevent the locking lever from operating properly, possibly causing injury. 7. Install the phillips bolt and tighten securely with the locknut.

  • Page 49: Procedure 9 - Suspension

    WARNING After ANY adjustments, repair or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. NOTE: The following procedures are for the A-6S and F-6S ONLY. ELASTOMERS AND SUSPENSION CAUTION Weather conditions may affect elastomers.
  • Page 50 PROCEDURE 9 DETAIL “A” Mounting Holes Fork Recess (NOT SHOWN) Elastomer NOTE: Caster not shown for clarity. Bolt Bolt Fork Stem Fork Stem Recess Fork DETAIL “C” Locknut FIGURE 2 - REPLACING FRONT ELASTOMERS SUSPENSION DETAIL “B” Fork Stem Elastomer Fork Bolt Fork...

  • Page 51: Limited Warranty

    This warranty gives you specific legal rights and you may also have other legal rights which vary from state to state. Invacare warrants the frame to be free from defects in materials and workmanship for a lifetime from date of purchase; all remaining components for one (1) year from date of purchase except uphol- stered materials, padded materials and tires/wheels.

This manual is also suitable for:

F-6F-6sA-6

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