Table of Contents
Related Manuals for Invacare Action 4 NG Heavy Duty
Summary of Contents for Invacare Action 4 NG Heavy Duty
- Page 1 Action ®4 Action 4 NG Heavy Duty / Action 4 NG Comfort S E R V I C E M A N U A L ( M A I N T E N A N C E A N D A D J U S T M E N T ) The procedures in this manual MUST be performed by a qualified technician.
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Page 2: Table Of Contents
TABLE OF CONTENTS T A B L E O F C O N T E N T S SECTION 1—TROUBLESHOOTING A N D M A I N T E N A N C E ........4 General information ......................4 Troubleshooting. - Page 3 TABLE OF CONTENTS SECTION 5—REAR WHEELS/FRONT CASTERS ..............27 Removing/Installing Rear Wheels ..................27 Fixed Axles, Transit version ....................27 Quick-Release Axles ......................29 Adjusting Quick-Release Axles ................... 30 Replacing Handrims ......................30 Adjusting the Wheelbase Length ..................31 Adjusting Rear Wheel Height ....................32 Replacing/Repairing Rear Wheel &...
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Page 4: Section 1-Troubleshooting A N D M A I N T E N A N C E
User manual and pre-sales information: For pre-sales information and user manual related to this wheelchair, please consult the www.invacare.eu.com website. NOTE: Please recommend the user to follow the rules mentioned in the User Manual about Maintenance Schedule, Cleaning and Troubleshooting sections. -
Page 5: Tightened Torques
SECTION 1— MAINTENANCE GUIDELINES C A U T I O N It is compulsary to use original Invacare spare parts which you can obtain from any Invacare subsidiaries. A list of spare parts is available at www.invacare.eu.com W A R N I N G After ANY adjustments, repair, or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may occur. -
Page 6: Stability Warning
SECTION 1— MAINTENANCE GUIDELINES & STABILITY WARNING 5. The wheels, castors and tyres should be checked periodically for cracks and wear, and should be replaced when necessary. 6. Regularly check for loose spokes in the rear wheels. If loose, have them adjusted. 7. -
Page 7: Section 2-Front Hangers
SECTION 2—FRONT HANGERS S E C T I O N 2 — F R O N T H A N G E R S W A R N I N G After ANY adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may occur. -
Page 8: Replacing Heel Strap
SECTION 2—FRONT HANGERS Replacing Heel Strap NOTE: For this procedure, refer to FIGURE 2.2. 1. Remove the locking screw that secure the footrest tube to the footrest support. 2. Remove the lower footrest assembly. 3. Remove the mounting screw, strap pin that secure the heel strap to the footplate. -
Page 9: Installing Angle Adjustable Footplate
SECTION 2—FRONT HANGERS Installing Angle Adjustable Footplate NOTE: For this procedure, refer to FIGURE 2.4. NOTE: This procedure is for individual Angle and Depth Adjustable Footrests standard version (1) and new version (2) only. 1. Position the angle adjustable footplate on the footrest support tube at the desired height. -
Page 10: Adjusting Calfpad Height
SECTION 2—FRONT HANGERS 2. Reposition footplate to desired height, securely tighten locking screw 3. If necessary, repeat STEPS 1 2 to adjust remaining footplate height. Adjusting Calf pad Height 1. Loosen the locking button that secure the calf pad bracket to the elevating legrest assembly. -
Page 11: Section 3-Armrests
SECTION 3—ARMRESTS S E C T I O N 3 — A R M R E S T S W A R N I N G After ANY adjustments, repair, or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may occur. Removing/Installing and Adjusting Removable Armrests (n°1 &... -
Page 12: Removing/Installing Swing Away Armrest (N° 2 & N°3)
SECTION 3—ARMRESTS Removing/Installing Swing Away Armrests (n° 2 & n° 3) Removing/Installing Swing Away Armrest (n° 2 & n° 3) NOTE: For this procedure, refer to FIGURE 3.2. Removing Swing Away Armrest Unlock existing armrest assembly by operate the push bracket 2. -
Page 13: Replacing Armrest Arm Pad
SECTION 3—ARMRESTS Replacing Armrest Arm pad NOTE: For this procedure, refer to FIGURE 3.3. 1. Remove the mounting screws that secure the arm pad to the armrest assembly. 2. Replace arm pad and securely tighten with the existing mounting screws (M5). 3. -
Page 14: Section 4-Seat/Back
SECTION 4—SEAT/BACK S E C T I O N 4 — S E A T / B A C K W A R N I N G The seat height, seat depth, back angle, seating system, size/position of the rear wheels, size/position of the front castors, seating options (e.g. -
Page 15: Removing Angle Adjustable Back-Canes
SECTION 4—SEAT/BACK Removing Angle Adjustable Back-Canes NOTE: For this procedure, refer to FIGURE 4.1 B. 1. Remove the mounting screw and locknut (M6) that secures the back-cane to the back-cane bracket. 2. Repeat STEP 1 for the other back-cane. 3. Remove the back-canes out of the back-cane brackets. Locknut (M6) Back-cane Back-cane... -
Page 16: Removing/Installing Standard Back Upholstery
SECTION 4—SEAT/BACK 1. Fold the wheelchair. 2. Remove the mounting screws (Torx) that secures the seat upholstery to the front and back seat rails. 3. Remove the end caps from the front of the seat rails. 4. Slide the seat upholstery out of the seat rails. FIG URE 4.2 Removing/Installing Seat Upholstery Removing/Installing Standard Back Upholstery NOTE: For this procedure, refer to FIGURE 4.3. -
Page 17: Contour (Adjustable) Back Upholstery
SECTION 4—SEAT/BACK Contour (adjustable) Back Upholstery Contour (adjustable) Tension Strips The adjuster strips can be adjusted at various levels of tension to accommodate individual end users. In a typical scenario, the bottom two strips can be adjusted tightly to support and/or assist the extensor muscles. Installing/Replacing Adjustable Back Upholstery NOTE: For this procedure, refer to FIGURE 4.4, next page. - Page 18 SECTION 4—SEAT/BACK Replacing 1. Lift up on the existing back upholstery cover and remove the cover from the wheelchair. 2. Remove the two mounting screws and washers that secure the existing adjustable back upholstery to the back-canes. 3. Slide each section (anchor loop/adjuster strap) of the existing adjustable back upholstery off from the back-canes.
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Page 19: Adjusting The Height Adjustable Back
SECTION 4—SEAT/BACK Adjusting the Height Adjustable Back NOTE: For this procedure, refer to FIGURE 4.5. 1. Loosen, but DO NOT remove, the height adjustment knobs. 2. Reposition the back canes to the desired height. NOTE: Both back canes should be adjusted to the same height. NOTE: DO NOT raise push handles to maximum height when tilting the chair. - Page 20 SECTION 4—SEAT/BACK DETAIL « A » Backrest adjustable -15°/+15° DETAIL « B » Step less adjustment -15°/+15° Allen Key 5 mm FIGURE 4.6 Adjusting the Angle Adjustable Backrest Removing/Installing different type of Backrests NOTE: For this procedure, refer to FIGURE 4.7, next page. Folding b a ckre s t NOTE: To Install the Fixed/Folding backrest, reverse this procedure from STEP 3 to 1.
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Page 21: Installing/Replacing Fixed/Folding Backrest
SECTION 4—SEAT/BACK Backrest Cane Mounting Back-Cane Screws Bracket FIGURE 4.7 Fixed/Folding Backres t Removing/Installing different type of Backrests Re cline r bac k re st (Mech a nic a l a nd Gas strut v ersions) NOTE: For this procedure, refer to FIGURE 4.8. To Install the Recliner backrest reverse this procedure from STEP 1 to 3. -
Page 22: Installing/Replacing Comfort Backrests
SECTION 4—SEAT/BACK Removing/Installing different type of Backrests Com fort backr es t (Mecha nical an d Ga s st rut v ers ions) NOTE: For this procedure, refer to FIGURE 4.9. To Install the Comfort backrest reverse this procedure from STEP 1 to 3. 1. -
Page 23: Removing/Installing/Adjusting The Back-Cane Bracket
SECTION 4—SEAT/BACK Removing/Installing/Adjusting the Back-Cane Bracket NOTE: For this procedure, refer to FIGURE 4.10. NOTE: To install the back-cane bracket, reverse this procedure. 4. Remove the back canes. Refer to Removing Back-Canes paragraph. 5. Pull up on the seat upholstery. 6. -
Page 24: Installing/Removing Seat Posture Belt
SECTION 4—SEAT/BACK Installing/Removing Seat Posture Belt NOTE: For this procedure, refer to FIGURE 4.11. 1. Remove seat cushion from wheelchair, if necessary. 2. Remove the mounting screw and locknut that secures the seat posture belt half to the back-cane bracket. 3. -
Page 25: Installing/Removing The Standard Back Brace
SECTION 4—SEAT/BACK Installing/Removing the Standard Back brace W A R N I N G If a back brace is already installed, you don’t have to re-install the back-cane inserts (for fixed backrest canes only). After ANY adjustments, repair, or service and before use, make sure all attaching hardware is fitted and tightened securely - otherwise injury or damage may occur. -
Page 26: Installing/Removing The Folding Back Brace
SECTION 4—SEAT/BACK Installing/Removing the Folding Back Brace W A R N I N G After ANY adjustments, repair, or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may occur. NOTE: For this procedure, refer to FIGURE 4.13. NOTE: To remove the folding back brace, reverse this procedure. -
Page 27: Section 5-Rear Wheels/Front Casters
SECTION 5—REAR WHEELS/FRONT CASTORS SECTION 5—REAR WHEELS/FRONT CASTORS W A R N I N G The seat height, seat depth, back angle, seating system, size/position of the rear wheels, size/position of the front castors, seating options (e.g. headrest, back bag, …) as well as the user condition directly relate to the stability of the wheelchair. - Page 28 SECTION 5—REAR WHEELS/FRONT CASTORS Brake Hardware Transit Brake (including locknuts) Axle Brackets Hardware Axle Brackets Locknut Washers Fixed Axle Dust Cap FIGURE 5.1 Removing/Installing Re ar Wheels NOTE: To obtain the desired front seat to floor height (for details, see Seat-to Floor Height paragraph), it will be necessary to perform one or both following: •...
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Page 29: Quick-Release Axles
The locking pins MUST be protruding past the inside of rear wheel hub for a positive lock. Keep locking pins clean. Invacare recommends inserting quick-release axles with the head end to the inside of the wheelchair to prevent accidental release during contact leisure activities. -
Page 30: Adjusting Quick-Release Axles
SECTION 5—REAR WHEELS/FRONT CASTORS Adjusting Quick-Release Axles NOTE: For this procedure, refer to FIGURE 5.3. 1. Remove rear wheel and quick release axle from the wheelchair. Refer to Removing/Installing Rear Wheels paragraph. 2. Depress detent pin in the quick release axle and slide the quick release axle through the rear wheel hub. -
Page 31: Adjusting The Wheelbase Length
SECTION 5—REAR WHEELS/FRONT CASTORS 6. Reinstall the rear wheel to the wheelchair. Refer to Removing/Installing Rear Wheels paragraph. 7. Repeat STEPS 1 6 for opposite wheel, if necessary. Adjusting the Wheelbase Length NOTE: For this procedure, refer to FIGURES 5.5 and 5.6 1. -
Page 32: Adjusting Rear Wheel Height
SECTION 5—REAR WHEELS/FRONT CASTORS Position Fixed backrest Position Recliner backrest FIGURE 5.6 Possible Positions of Wheel Plate Adjusting Rear Wheel Height NOTE: For this procedure, refer to FIGURE 5.7, next page. 1. Remove the rear wheel. Refer to Removing/Installing Rear Wheels paragraph. 2. -
Page 33: Replacing/Repairing Rear Wheel & Front Castor Tyre/Tube
SECTION 5—REAR WHEELS/FRONT CASTORS Wheelchair Frame Adjustment Holes Mounting Screws Locknuts FIGURE 5.7 Adjusting Rear Wheel Height Replacing/Repairing Rear Wheel & Front Castor Tyre/Tube C A U T I O N As with any vehicle, the wheels and tyres should be checked periodically for cracks and wear, and should be replaced when necessary. -
Page 34: Adjusting Fork Rotation
SECTION 5—REAR WHEELS/FRONT CASTORS Adjusting Fork Rotation W A R N I N G Castor angle vertical axis MUST be at 90° +/- 1° from the ground, if not a flattering risk may occur. Both caster assemblies should be at the same angle. After ANY adjustments, before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may occur. -
Page 35: Removing/Installing/Repositioning The Castor Assemblies
SECTION 5—REAR WHEELS/FRONT CASTORS Removing/Installing/Repositioning the Castor Assemblies IMPORTANT: Fixing screws may only be used once. Always use the dedicated spare parts kit (SP1657714) for castor housing Light. Alternatively, the screws can be cleaned (remove old thread locking adhesive) and reinstalled with new medium-strength thread locking adhesive (e.g.: LOCTITE®... - Page 36 SECTION 5—REAR WHEELS/FRONT CASTORS NOTE: Both castors housing must be set at the same angle. 4. Tighten in 3 steps (lower-upper-lower) progressively the 2 mounting pre-glued screws (13/14 Nm) that secure the castor housing assembly to the wheelchair frame. 5. Repeat STEPS 1 to 4 for the other castor housing assembly. 6.
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Page 37: Adjusting Castor Assembly Position
SECTION 5—REAR WHEELS/FRONT CASTORS Castor DETAIL «A» Housing RH Mounting Front RH pre-glued Screws Lower Plate Upper Plate FIGURE 5.10 Adjusting Castor Angle (Castor ho using Light) Adjusting Castor Assembly Po sition (C astor ho using Lig ht) NOTE: For this procedure, refer to FIGURE 5.11. 1. -
Page 38: Section 6-Seat-To-Floor Height
NOTE: For this procedure, refer to FIGURE 6.1. NOTE: Refer to Measuring Seat Floor Height paragraph for measuring instructions. NOTE: Invacare recommends that the rear seat floor height be AT LEAST 25 mm shorter than the front seat floor height. Otherwise a forward seat angle can occur. -
Page 39: Measuring Seat-To-Floor Height
SECTION 6—SEAT-TO-FLOOR HEIGHT Measuring Seat-to-Floor Height NOTE: For this procedure, refer to FIGURE 6.2. NOTE: All measurements are in millimetres. The front and rear seat floor heights are approximate to 6.5 mm due to tyre wear and air pressure. Measuring Front Seat-to-Floor Height Front Seat Floor Height: Measure the distance between the front of the seat upholstery and the ground/floor. -
Page 40: Adjusting Wheel Brakes
SECTION 6—SEAT-TO-FLOOR HEIGHT NOTE: To obtain the desired front seat to floor height, it will be necessary to perform one or both following: • Changing the castor size and/or mounting position on the fork, and/or seat angle Refer to Removing/Installing/Repositioning the Castor Assemblies paragraph. •... -
Page 41: Replacing Wheel Lock Handle
SECTION 6—SEAT-TO-FLOOR HEIGHT FIGURE 6.4 The 4 setting points • X or Y - For the direction support • 1 or 2 - For the quick release hole • A or B - For the fixing location With the “X” position, the additional machining points and the groove must be placed on the outside. -
Page 42: Section 7-Wheel Brakes
SECTION 7—WHEEL BRAKES S E C T I O N 7 — W H E E L B R A K E S W A R N I N G After ANY adjustments, repair, or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may occur. - Page 43 SECTION 7—WHEEL BRAKES Adjusting Whe e l Brake T ensi on NOTE: For this procedure, refer to FIGURE 7.2. 1. Loosen, but DO NOT remove the two set screws (Detail that secure the wheel – brake assembly to the wheelchair frame. 2.
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Page 44: Installing/Adjusting Hub Brakes
SECTION 7—WHEEL BRAKES W A R N I N G After ANY adjustments, repair, or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may occur. Always operate the two brakes simultaneously and do not take slopes exceeding 7°... - Page 45 SECTION 7—WHEEL BRAKES Installing/Adjusting Hub Brake 7. Repeat STEPS 1 to 6 for the other rear wheel. Installing/adjusting Hub Brake NOTE: For this procedure, refer to FIGURE 7.5. 1. Install the hub brake lever with the cable on the backrest canes. 2.
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Page 46: Section 8-Options
SECTION 8—OPTIONS S E C T I O N 8 — O P T I O N S W A R N I N G After ANY adjustments, repair, or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may occur. Make sure the detent pin and locking pins of the quick-release button are fully released before operating the wheelchair. -
Page 47: Installing/Adjusting Headrest
SECTION 8—OPTIONS Installing/Adjusting Headrest W A R N I N G After ANY adjustments, repair, or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may occur. Installing Headrest NOTE: For this procedure, refer to FIGURE 8.2. 1. -
Page 48: Installing/Adjusting Simple Anti-Tippers
- otherwise injury or damage may occur. Anti-tippers MUST be attached always. Since the anti-tippers are an option on this wheelchair (you may order it with or without the anti-tippers), Invacare strongly recommends ordering the anti-tippers as an additional safeguard for the wheelchair user. -
Page 49: Installing/Adjusting Anti-Tippers With Tipping Aid
SECTION 9—ANTI-TIPPERS Installing/Adjusting Anti-Tippers with Tipping Aid Installing Anti-Tippers with Tipping Aid NOTE: For this procedure, refer to FIGURE 9.2. Mounting Set 1. Insert anti tippers with the anti tipper wheels pointing toward ground/floor into the rear frame tubing until anti- tippers vertical hole appear in the frame vertical hole. - Page 50 SECTION 9—ANTI-TIPPERS Adjusting Anti-Tippers NOTE: For this procedure, refer to FIGURE 9.3. W A R N I N G When anti-tippers are used, anti-tippers MUST be adjusted to maintain a 30 to 50 mm clearance between the bottom of the anti-tipper wheels and the ground/ floor. This spacing should always be checked whenever adjustments/changes are made to the wheelchair.
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Page 51: Section 10-Periodic Maintenance Guidelines
SECTION 10— PERIODIC MAINTENANCE GUIDELINES S E C T I O N 1 0 — P E R I O D I C M A I N T E N A N C E G U I D E L I N E S NOTE: Always clean the wheelchair before any inspection/adjustment. - Page 52 SECTION 10—PERIODIC MAINTENANCE GUIDELINES Inspect/Adjust Weekly Wheelchair rolls straight (no excessive drag or pull to one side). Quick-release axles lock properly (see page 29). Inspect for broken spokes. Adjustment/replacement. Wheel/fork assembly has proper tension when caster is spun. Caster should come to a gradual stop. ...
- Page 53 SECTION 10— PERIODIC MAINTENANCE GUIDELINES Inspect/Adjust every twelve months (2) Wheel brake pivot point are free of wear and looseness. Clean upholstery and armrests. Sealed bearings and axle nut tension are correct. Wheel/fork assembly has proper tension when caster is spun. Caster should come to a gradual stop.
- Page 54 New Zealand: Australia: Asia: United Kingdom & Ireland: Invacare New Zealand Ltd Invacare Australia Pty. Ltd. Invacare Asia Ltd. Invacare Limited 4 Westfield P lace, M t Wellington 1060 Unit 18/12 Stanton Road, Unit 18/12 Stanton Road, Pencoed Technology Park, Pencoed...