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Invacare Ranger II Basic Service Manual

Ranger ii storm series wheelchair mwd/fwd
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Service Manual
Ranger II Storm Series
®
Wheelchairs
MWD/FWD
Ranger II
BASIC
Ranger II
STANDARD
Ranger II
JR
Ranger II
250 SERIES

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Summary of Contents for Invacare Ranger II Basic

  • Page 1 Service Manual Ranger II Storm Series ® Wheelchairs MWD/FWD Ranger II BASIC Ranger II STANDARD Ranger II Ranger II 250 SERIES...

  • Page 2: Special Notes

    TICE. 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 3: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS The procedures in this manual refer to the following models: RANGER II MWD models: RANGER II BASIC RANGER II STANDARD RANGER II 250 SERIES RANGER II FWD models: RANGER II RANGER II RANGER II...

  • Page 4: Specifications

    SPECIFICATIONS SPECIFICATIONS NOTE: All specifications are RANGER II MWD - R2 approximate. BASIC STANDARD 250 SERIES INTEGRATED SLING SEAT CAPTAIN'S SEAT BACK TYPE LOW SOLID SEAT HIGH (LOB) (LOBSS) (HIB) Seat Width Range: 16, 18 or 20-inches 19-in. 19-in. 19-in. Seat Depth Range: 16, 17 or 18-in.
  • Page 5 SPECIFICATIONS SPECIFICATIONS NOTE: All specifications are RANGER II FWD -R2 approximate. BASIC STANDARD 250 SERIES INTEGRATED SLING SEAT CAPTAIN'S SEAT BACK TYPE LOW SOLID SEAT HIGH (LOB) (LOBSS) (HIB) Seat Width Range: 16, 18 or 20-inches 19-in. 19-in. 19-in. Seat Depth Range: 16, 17 or 18-in.
  • Page 6 SPECIFICATIONS SPECIFICATIONS NOTE: All specifications are approximate. RANGER II FWD - R2 INTEGRATED SLING SEAT Seat Width Range: 14-inches Seat Depth Range: 16 to 18-inches - In 1-inch increments (17 and 18-inch by extension) Back Height Range: 16 to 20-inches - In 1-inch increments Back Angle Range: to 105 - in 5...

  • Page 7: Procedure 1 - General Guidelines

    BATTERIES - 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 recommends their use as the power source for this unti. The use of rubber gloves and safety glasses is recommended when working with batteries.

  • Page 8: Warning/Caution Label Location

    PROCEDURE 1 GENERAL GUIDELINES WARNING/CAUTION LABEL LOCATION - MWD MODELS BASIC STANDARD 250 SERIES CAUTION HIGH BACK CAPTAIN'S SEATS ONLY - Disconnect limit switch BEFORE re- moving seat - damage to seat can occur. Stabilizers may vary depending on manufacturing date of the wheelchair Crossbrace Push Bracket...
  • Page 9 GENERAL GUIDELINES PROCEDURE 1 WARNING/CAUTION LABEL LOCATION - FWD MODELS BASIC STANDARD 250 SERIES Side Frame WARNING Replacement con- troller MUST SAME part number. Controller (Back View) CAUTION HIGH BACK CAPTAIN'S SEATS ONLY - Disconnect limit switch BEFORE removing seat - dam- age to seat can occur.
  • Page 10 PROCEDURE 1 GENERAL GUIDELINES WARNING/CAUTION LABEL LOCATION - FWD MODELS (R2 Side Frame WARNING Replacement con- troller MUST SAME part number. Controller (Back View) Motor Assembly CAUTION Repositioning the motors WILL af- Battery fect the stability and/or perfor- Tray mance of the wheelchair. Refer to Side Frame PERCENTAGE OF WEIGHT DISTRIBU- TION in the Owner's Manual BEFORE...
  • Page 11 GENERAL GUIDELINES PROCEDURE 1 BATTERY WARNING LABEL LOCATION WARNING This POSITIVE (+) RED Battery Cable MUST connect to the POSITIVE (+) Battery Terminal(s)/Post(s), otherwise serious damage will occur to the electrical sys- tem. Refer to the Owner’s Manual. DO NOT remove this label. 1095558 WARNING DO NOT allow battery cable(s) to contact...

  • Page 12: Procedure 2- Troubleshooting

    If the caps of the battery cells ing the digital voltmeter. are removed, NEVER look directly into NOTE: Invacare recommends that ONLY qualified ser- them when charging the battery. vice personnel perform this test. The use of rubber gloves and safety glasses 1.

  • Page 13: Motor Testing

    6. Tap lightly to remove air bubbles. ( Ω ) indicates a problem. High readings are generally 7. Number of floating balls indicates charge. caused by bad connections and/or damaged brushes. Contact authorized dealer or Invacare. Number of Floating Balls Discharged 25% Charged...

  • Page 14: Motor Brush Inspection

    The brush MUST be placed into or an open connection respectively. If either condition the motor exactly the same way to ensure good contact exists, send the motor to Invacare Technical Service with the commutator. for inspection/repair.

  • Page 15: Procedure 3 - Front Riggings

    FRONT RIGGINGS PROCEDURE 3 6. Torque the two (2) hex screws to 156-in/lbs. This Procedure Includes the Following: 7. Reinstall the two (2) caplug caps. Adjusting Flip-Up Removable Footboard Adjusting the Removable Footboard Height (FIGURE 2) WARNING 1. If necessary, remove the four (4) caplug caps. After ANY adjustments, repair or service and BEFORE use, make sure that all attaching 2.

  • Page 16: Adjusting Flip-Up Removable Footboard

    PROCEDURE 3 FRONT RIGGINGS 5. Resecure the two (2) footboard pivots to the footboard ADJUSTING DEPTH mounting brackets with the hex screws, spacers, washers and locknuts. Refer to FIGURE 2 for the cor- rect hardware orientation. Flat Head Screws 6. Torque the two (2) hex screws to 156in/lbs. and back off the hex screws 1/8-1/4 of a revolution.
  • Page 17 FRONT RIGGINGS PROCEDURE 3 4. Remove the nut, flat washer and that secure the threaded ADJUSTING FOOTBOARD MOUNTING arm on the height adjustment bracket to the footboard BRACKET ANGLE - FWD MODELS ONLY bracket. Refer to DETAIL “B”. (FIGURE 4). 5.

  • Page 18: Procedure 4 - Arms

    PROCEDURE 4 ARMS REPLACING ARMREST PLATE This Procedure Includes the Following: (FIGURE 2) Replacing Armrest Pads 1. If necessary, remove the three (3) hex bolts, spacers Replacing Armrest Plate and locknuts that secure the joystick mounting bracket NOTE: The following procedures are for Captain's to the armrest plate.

  • Page 19: Procedure 5 - Seat/Back

    SEAT/BACK PROCEDURE 5 7. Reinstall the Captain's seat onto the wheelchair. Re- This Procedure Includes the Following: fer to REMOVING/INSTALLING CAPTAIN'S SEAT in Replacing Seat Positioning Strap PROCEDURE 5 of the owner's manual, part number 1080722. Replacing Back Upholstery Replacing Captain's seat REPLACING BACK UPHOLSTERY (FIGURE 2) WARNING...

  • Page 20: Replacing Captain's Seat

    PROCEDURE 5 SEAT/BACK REPLACING CAPTAIN'S SEAT 8. Slide the loose top half of the back cane through the new back upholstery. (FIGURE 3) 9. Using the mounted back cane as a guide, reinstall the 1. Remove the Captain's seat from the wheelchair. Refer two (2) hex bolts that secure the top half of the back to REMOVING/INSTALLING CAPTAIN'S SEAT in PRO- cane to the bottom half of the back cane.

  • Page 21: Procedure 6 - Seat Frame

    SEAT FRAME PROCEDURE 6 NOTE: Make sure to line up the mounting holes in the seat This Procedure Includes the Following: extension tubes with the new seat upholstery. Adjusting Seat Depth 5. Install plug buttons into ends of the seat extension tubes. Adjusting Back Height Changing Back Angle ADJUSTING BACK HEIGHT...

  • Page 22: Changing Back Angle

    PROCEDURE 6 SEAT FRAME CHANGING BACK ANGLE REPLACING BACK CANES (FIGURE 3) (FIGURE 4) 1. Flip the armrests up and out of the way. Refer to US- Top Half of Back Canes ING/ADJUSTING FLIP BACK ARMRESTS in PRO- 1. Flip the armrests up and out of the way. Refer to US- CEDURE 4 of the owner's manual, part number ING/ADJUSTING FLIP BACK ARMRESTS in PRO- 1080722.
  • Page 23 SEAT FRAME PROCEDURE 6 11. Securely tighten back upholstery to the new top half of 12. Use Loctite 242 on the hex bolts and torque the hex the back cane with the phillips screw and washer. bolts to 75-inch pounds. 12.

  • Page 24: Procedure 7 - Electronics

    PROCEDURE 7 ELECTRONICS 11. Position the armrest pad on the armrest plate. This Procedure Includes the Following: 12. Line up the mounting holes in the armrest insert, arm- Repositioning MKIV Joystick rest plate and armrest pad. Removing/Installing MKIV Controller 13. Reinstall rear phillips screw through the armrest insert, armrest plate and armrest pad and tighten securely.
  • Page 25 ELECTRONICS PROCEDURE 7 4. Disconnect the following connections: 3. Secure the new/existing MKIV controller to the wheel- chair with NEW locknuts. Torque to 156-in/lbs. A. The right hand motor and controller connection. 4. Connect the following connections: B. The left hand motor and controller connection. A.
  • Page 26 PROCEDURE 7 ELECTRONICS Mounting Stud on Wheelchair Frame Washer MKIV Controller Locknuts MKIV Controller Tie-Wrap Right Hand Motor/Controller Connection Tie-Wrap Left Hand Motor/Controller Connection Wire Connector Support Controller Cable Battery Wiring Harness and Controller Connection Slot Left Hand (BLUE) Motor Cable FIGURE 3 - REMOVING/INSTALLING MKIV CONTROLLER - 14-INCH WIDE MODELS...

  • Page 27: Procedure 8 - Limit Switch

    LIMIT SWITCH PROCEDURE 8 ADJUSTING LIMIT SWITCH This Procedure Includes the Following: (FIGURE 2) Disconnecting/Connecting Limit Switch NOTE: The following procedure is for High Back Captain's Adjusting Limit Switch seat model wheelchairs only. WARNING WARNING After ANY adjustments, repair or service NEVER operate the wheelchair while in and BEFORE use, make sure all attaching any recline position over 114...
  • Page 28 PROCEDURE 8 LIMIT SWITCH D. Only tighten the two (2) phillips screws, washers and locknuts that secure the actuator to the up- per limit switch bracket until the actuator does not move. E. Repeat STEPS 1-3 until the wheelchair does not operate when the captain's seat back is at a 24 angle.

  • Page 29: Procedure 9 - Wheels

    WHEELS PROCEDURE 9 INSTALLING. This Procedure Includes the Following: NOTE: The keystock in the wheel hub MUST lineup with Replacing Pneumatic Tires/Tubes - the cutout in the gearbox drive shaft. Drive Wheels/Casters 1. Install new/existing front wheel onto the motor drive Removing/Installing Drive Wheels shaft.

  • Page 30: Removing/Installing Drive Wheel Hub

    PROCEDURE 9 WHEELS 6. Examine the head of the hex screw and the locking tab INSTALLING. washer. Make sure one (1) of the tabs on the locking 1. Install drive wheel onto wheel hub tab washer is parallel with one (1) of the flats on the 2.
  • Page 31 WHEELS PROCEDURE 9 2. Apply a thin film of anti-seize compound one (1) inch in Keystock length to the end of the drive shaft. 3. Reinstall drive wheel hub onto the gearbox drive shaft. Locking NOTE: While installing the drive wheel hub onto the drive Washer shaft, spin the drive wheel hub to evenly distribute the anti- seize compound over the entire drive shaft.

  • Page 32: Replacing Casters

    PROCEDURE 9 WHEELS REPLACING CASTERS (FIGURE 4) NOTE: Check bearing assemblies and replace if nec- essary. 1. Remove the hex screw, washers and locknut that 7. Ensure that new fork slides completely into the secure the caster to the fork. caster head tube.

  • Page 33: Ranger

    SHROUDS PROCEDURE 10 2. Remove rear shroud and rear storage compartment (if This Procedure Includes the Following: equipped) from the wheelchair. Refer to REMOVING/ Removing/Installing Shrouds INSTALLING REAR SHROUD AND REAR STORAGE COMPARTMENT in this procedure of the manual. WARNING 3.
  • Page 34 PROCEDURE 10 SHROUDS C. WEIGHT SHIFT TILT MODELS - Proceed to 8. Reinstall the front shroud onto the wheelchair. Refer STEP 7. to REMOVING/INSTALLING FRONT SHROUD in this procedure of the manual. 7. Reinstall the rear shroud and rear storage compart- ment (if equipped) onto the wheelchair.
  • Page 35 SHROUDS PROCEDURE 10 FWD Wheelchairs (FIGURE 2) REMOVING SIDE SHROUDS AND FILLERS. 1. Remove the front shroud from the wheelchair. Refer REMOVING FRONT SHROUD. to REMOVING/INSTALLING FRONT SHROUD in this 1. Unclip the retaining strap securing the front shroud procedure of the manual. and battery box to the wheelchair.
  • Page 36 PROCEDURE 10 SHROUDS 7. Reinstall the rear shroud onto the wheelchair. Refer 6. Perform one (1) of the following: to REMOVING/INSTALLING REAR SHROUD in this A. INTEGRATED SLING SEAT MODELS - Unfold procedure of the manual. the wheelchair. Refer to TRANSPORTING 8.

  • Page 37: Procedure 11 - Crossbraces

    CROSSBRACES PROCEDURE 11 6. Cut the tie wraps that secure the wiring harness to This Procedure Includes the Following: the crossbrace. Adjusting Seat Width - Integrated Sling Seats 7. Remove the hex bolts, washers and locknuts that se- Replacing Crossbraces - Captain's Seats cure the bottom of the two (2) crossbraces to the wheelchair frame.
  • Page 38 PROCEDURE 11 CROSSBRACES MWD WHEELCHAIRS - 19. If necessary, reinstall the shrouds. Refer to REMOV- A. Reinstall the battery tray onto the wheelchair. Re- ING/INSTALLING SHROUDS in PROCEDURE 10 of fer to INSTALLING/REMOVING BATTERY TRAY this manual. in PROCEDURE 14 of this manual. B.

  • Page 39: Replacing Crossbraces - Captain'sseats

    CROSSBRACES PROCEDURE 11 REPLACING CROSSBRACES - 11. Install the four (4) pivot tube plug pins into the bottom of the two (2) new crossbraces. CAPTAIN'S SEATS (FIGURE 2) 12. Assemble the two (2) new crossbraces together. Refer 1. Remove the captain's seat from the wheelchair. Refer to DETAIL "C"...
  • Page 40 PROCEDURE 11 CROSSBRACES Hex Bolt Wheelchair Frame (STEPS 4, 17) Dust Cover (STEPS 6, 15) Washer (STEPS 5, 16) Pivot Link Locknut (STEPS 8, 13) Hex Bolts Spacer (STEPS 8, 13) (STEPS 5, 16) Hex Bolts (STEPS 5, 16) Push Bracket Crossbrace Hex Bolts (STEPS 8, 13)

  • Page 41: Procedure 12 - Batteries

    The use of rubber gloves and safety glasses is rec- 2. Secure the battery lifting strap to battery terminal(s)/ ommended when working with batteries. post(s) (FIGURE 1). Invacare strongly recommends that battery in- CAUTION stallation and battery replacement ALWAYS be Some battery manufacturers mold a carrying strap done by a qualified technician.

  • Page 42: Connecting Battery Cables

    PROCEDURE 12 BATTERIES CONNECTING BATTERY CABLES CAUTION When connecting the battery cables to the WARNING battery(ies), the battery cable(s) MUST be con- NEVER allow any of your tools and/or battery nected to the battery terminal(s)/post(s) as cable(s) to contact BOTH battery terminal(s)/post(s) shown in DETAIL “A”...
  • Page 43 BATTERIES PROCEDURE 12 DETAIL “A” DETAIL “B” DUAL U1 BATTERIES DUAL GROUP 22 NF BATTERIES POSITIVE (+) Battery Terminal/Post 1/4-20 x 7/8-Inch Negative (-) 1/4-20 x 7/8-Inch Hex Flange Screw POSITIVE (+) Red Battery Terminal/ Hex Flange Screw Battery Cable Post 1/4-20 1/4-20...
  • Page 44 PROCEDURE 12 BATTERIES BATTERY CLAMP METHOD (FIGURES 4, 5 2. Install battery clamp covers onto battery cables as AND 6). follows (FIGURE 5): WARNING A. RED battery clamp cover onto RED battery cable. The battery clamp of the POSITIVE (+) battery B.
  • Page 45 BATTERIES PROCEDURE 12 9. Install the battery box(es) into the wheelchair. Refer 10. If necessary, charge the battery(ies). Refer to to INSTALLING/REMOVING BATTERY BOX(ES) in CHARGING BATTERIES in the PROCEDURE 13 - the PROCEDURE 13 - FWD MODELS or PROCE- FWD MODELS or PROCEDURE 14 - MWD MOD- ELS of this manual.

  • Page 46: Procedure 13 - Fwd Wheelchairs

    PROCEDURE 13 FWD WHEELCHAIRS ASSEMBLING RANGER II FWD- This Procedure Includes the Following: Assembling Ranger II FWD Integrated Sling Seats (FIGURE 1) When to Charge Batteries WARNING Charging Batteries The weight of the wheelchair without the user and batteries is still between 83 and 100 lbs. Use proper Replacing Batteries lifting techniques (lift with your legs) to avoid injury.
  • Page 47 FWD WHEELCHAIRS PROCEDURE 13 Unfolding/Folding - Captain's Seat (FIGURE 2) FOLDING. 1. HIGH BACK CAPTAIN'S SEATS ONLY - Discon- UNFOLDING. nect the limit switch. Refer to DISCONNECTING/ 1. Push down on the push brackets until they are flush CONNECTING LIMIT SWITCH in PROCEDURE 6 with the pivot links on the crossbraces.

  • Page 48: When To Charge Batteries

    PROCEDURE 13 FWD WHEELCHAIRS WHEN TO CHARGE BATTERIES CHARGING BATTERIES (FIGURE 6) (FIGURE 5) WARNING NOTE: As a general rule, batteries should be recharged Never attempt to recharge the batteries by at- daily to assure longest possible life and minimize required taching cables directly to the battery terminals charging time.

  • Page 49: Replacing Batteries

    NOTE: Invacare recommends that both batteries be re- NOTE: When done, these areas should be shiny, not dull. placed if one (1) battery is defective.

  • Page 50: Installing/Removing Battery Boxes

    PROCEDURE 13 FWD WHEELCHAIRS 14. If necessary, install the Captain's Seat. Refer to RE- INSTALLING/REMOVING BATTERY MOVING/INSTALLING CAPTAIN'S SEAT in PRO- BOXES CEDURE 5 of this manual. WARNING DETAIL "A" Joystick Cable NEVER unplug the battery cables by pullling on Rear Battery the wires.

  • Page 51: Battery Tray

    FWD WHEELCHAIRS PROCEDURE 13 8. Pull end of retaining strap to secure front battery box BATTERY TRAY and front shroud in place. WARNING 9. Position the rear battery box onto the battery tray as Pinch point exists between battery tray and bat- shown in FIGURE 8.
  • Page 52 PROCEDURE 13 FWD WHEELCHAIRS AND R2 AND R2 BASIC STANDARD BASIC STANDARD Pins Hanger Bracket Pins Mounting Battery Tray Pivot Slots Battery Tray Battery Battery Bracket Tray Stop Battery Tray Notch Notch Battery Tray Pivot FIGURE 9 - BATTERY TRAY - FOLDING BATTERY TRAY FIGURE 10 - BATTERY TRAY - UNFOLDING BATTERY FOR TRANSPORT TRAY FOR USE...
  • Page 53 FWD WHEELCHAIRS PROCEDURE 13 Changing Width of Battery Tray (FIGURE 11) INSTALLING (FIGURE 12). 1. Line up mounting holes in the new/existing battery tray NOTE: This procedure applies to R2 AND R2 BASIC STANDARD with the mounting holes in the battery tray hanger only.
  • Page 54 PROCEDURE 13 FWD WHEELCHAIRS B. WHEELCHAIR NOT EQUIPPED WITH FLIP-UP FOR MODEL R2 (FIGURE 15). REMOVABLE FOOTBOARD - Remove the front NOTE: Right and left is determined by sitting in wheel- hex screw that secures the existing left battery chair. tray bracket to the wheelchair frame.

  • Page 55: Replacing Wiring Harness

    FWD WHEELCHAIRS PROCEDURE 13 11. Reinstall locknut that secures the front of the MKIV FOR MODEL R2 (FIGURE 17). controller and rear of the left battery tray hanger NOTE: Right and left is determined by sitting in wheel- bracket to the wheelchair frame. Use Loctite 242 chair.
  • Page 56 PROCEDURE 13 FWD WHEELCHAIRS C. Connect the limit switch. Refer to DISCONNECT- 14. Resecure the wiring harness and motor cables to the ING/CONNECTING LIMIT SWITCH in this PRO- crossbraces with new tie wraps at the positions noted CEDURE 8 of this manual. in STEP 8.
  • Page 57 FWD WHEELCHAIRS PROCEDURE 13 11. Secure the wiring harness to existing charger cable 14-inch Wide Models (FIGURE 19) mounting bracket on the seat frame with the two (2) 1. Remove the shrouds. Refer to REMOVING/INSTALL- phillips screws. ING SHROUDS in PROCEDURE 10 of this manual. 12.
  • Page 58 PROCEDURE 13 FWD WHEELCHAIRS MKIV Controller Tie-Wrap Right Hand Motor and Controller Connection Battery Wiring Harness Left Hand Motor and and Controller Connection Controller Connection (BLUE) Wire Connector Support Slot Wiring Phillips Screws Rear Battery Harness To Controller Connector Spacer Phillips Bolts Spacer Phillips Screws...

  • Page 59: Repositioning Motors

    REMOVING BATTERY BOXES in this procedure of trollability of the wheelchair. This procedure MUST the manual. be performed by an Invacare Dealer. 2. Perform one (1) of the following: NOTE: If motors are repositioned, the front riggings may A. WHEELCHAIR EQUIPPED WITH FLIP-UP RE- need to be repositioned.

  • Page 60: Basic

    PROCEDURE 13 FWD WHEELCHAIRS 8. Use Loctite 242 and tighten the motor to the wheel- STEPS 2, 4, 10, 11, 12 Spacers chair frame securely with the six (6) socket screws. Dust Cover (Not Shown) Torque to 60-inch pounds. Battery Tray 9.

  • Page 61: Basic

    FWD WHEELCHAIRS PROCEDURE 13 11. Repeat STEPS 2-10 for the opposite side of the 5. Perform one (1) of the following: wheelchair, if necessary. A. WHEELCHAIR EQUIPPED WITH FLIP-UP RE- 12. Reinstall the battery boxes. Refer to INSTALLING/ MOVABLE FOOTBOARD - Remove the hex REMOVING BATTERY BOXES in this procedure screws and spacers that secure the battery tray of the manual.

  • Page 62: Standard

    PROCEDURE 13 FWD WHEELCHAIRS 19. Perform one (1) of the following: 5. Rotate battery tray hanger bracket up. A. WHEELCHAIR EQUIPPED WITH FLIP-UP RE- 6. Left side of wheelchair only - Remove the front MOVABLE FOOTBOARD - Reinstall the hex dust cover from the end of the crossbrace.
  • Page 63 FWD WHEELCHAIRS PROCEDURE 13 LONG Socket SHORT Socket Screws (Apply Loctite Screws (Apply 242 and torque to 60- Loctite 242 and inch pounds) (STEPS torque to 60- 8, 10) inch pounds) (STEPS 8, 10) Battery Motor Connectors (STEPS 2, 16) Dust Cover (Not Shown) STEPS 4, 6, 13,14,15...

  • Page 64: Procedure 14 - Mwd Wheelchairs

    Extreme caution is advised when it is Adjusting Stabilizer Springs necessary to move an UNOCCUPIED power Adjusting Stabilizer for User Preference wheelchair. Invacare recommends using two (2) assistants and making thorough preparations. Replacing Stabilizer Cylinders Make sure to use ONLY secure, non-detachable Replacing Stabilizer Wheels parts for hand-hold supports.

  • Page 65: M W D

    MWD WHEELCHAIRS PROCEDURE 14 FOLDING. FOLDING. 1. If necessary, remove the shrouds. Refer to REMOV- 1. HIGH BACK CAPTAIN'S SEATS ONLY - Disconnect ING/INSTALLING SHROUDS in PROCEDURE 10 the limit switch. Refer to DISCONNECTING/CON- of this manual. NECTING LIMIT SWITCH in PROCEDURE 8 of this manual.

  • Page 66: When To Charge Batteries

    PROCEDURE 14 MWD WHEELCHAIRS WHEN TO CHARGE BATTERIES CHARGING BATTERIES (FIGURE 6) (FIGURE 5) WARNING Never attempt to recharge the batteries by attach- It is advantageous to recharge daily rather than only when ing cables directly to the battery terminals or necessary.

  • Page 67: Replacing Batteries

    Contact an Invacare dealer for service. caps. Read them carefully, otherwise injury or damage can occur. NOTE: Invacare recommends that both batteries be re- placed if one (1) battery is defective.

  • Page 68: Installing/Removing Battery Boxes

    PROCEDURE 14 MWD WHEELCHAIRS INSTALLING/REMOVING BATTERY Recommended Battery Types BOXES (FIGURE 7) CAUTION Failure to use the correct battery size and/or volt- Installing age may cause damage to your wheelchair and NOTE: To remove the battery boxes from the wheelchair, give you unsatisfactory performance.

  • Page 69: Battery Tray

    MWD WHEELCHAIRS PROCEDURE 14 2. Turn the battery tray slightly to one (1) side. 6. If necessary, reinstall the removeable footboard. Refer to REMOVING THE REMOVABLE 3. Position the battery tray pins over the mounting slots FOOTBOARD ASSEMBLY FROM THE WHEEL- on the hanger brackets.
  • Page 70 MWD WHEELCHAIRS PROCEDURE 14 BATTERY TRAY FOR WHEELCHAIRS NOT EQUIPPED WITH WEIGHT SHIFT BASIC TILT "FRONT" Hanger Label Bracket Battery Tray Mounting Slots Battery Tray Pins BATTERY TRAY FOR WHEELCHAIRS EQUIPPED WITH WEIGHT SHIFT BASIC TILT Hanger Bracket Mounting Battery Tray Pins Battery Tray Slots FIGURE 8 - BATTERY TRAY...

  • Page 71: Replacing Wiring Harness

    MWD WHEELCHAIRS PROCEDURE 14 Changing Width of Battery Tray (FIGURE 9) REPLACING WIRING HARNESS (FIGURE 10) NOTE: This procedure is only necessary when changing the width of the wheelchair. 1. If necessary, remove the front and rear shrouds. Re- fer to REMOVING/INSTALLING SHROUDS in PRO- 1.
  • Page 72 PROCEDURE 14 MWD WHEELCHAIRS 15. Connect the wiring harness (BLUE) to the con- 17. Reinstall the battery boxes. Refer to INSTALLING/ troller connector (BLUE). REMOVING BATTERY BOXES in this procedure of manual. 16. Resecure the wiring harness and motor cables to the crossbraces with new tie wraps at the posi- 18.

  • Page 73: Stabilizer Identification

    MWD WHEELCHAIRS PROCEDURE 14 STABILIZERS STABILIZER IDENTIFICATION (FIGURE 11) NOTE: Depending on the date of manufacture, the wheelchair will have one (1) of the following types of stabilizer assemblies. Refer to the chart below to determine the correct stabilizer assembly. TYPE A TYPE B TYPE C...

  • Page 74: Adjusting Stabilizers For User Preference

    PROCEDURE 14 MWD WHEELCHAIRS ADJUSTING STABILIZER FOR USER Adjusting Type B Stabilizer Assembly for User Preference (FIGURE 14) PREFERENCE NOTE: Refer to STABILIZER INDENTIFICATION in Adjusting Type A Stabilizer Assembly for User the beginning of this section to determine correct sta- Preference (FIGURE 13) bilizer assembly.

  • Page 75: Replacing Stabilizer Cylinders

    MWD WHEELCHAIRS PROCEDURE 14 5. Position the new stabilizer cylinder on the wheelchair Adjusting Type C Stabilizer Assembly for User as shown in FIGURE 16. Preference (FIGURE 15) NOTE: Refer to STABILIZER INDENTIFICATION in 6. Secure the top of the new stabilizer cylinder to the the beginning of this section to determine correct sta- wheelchair frame with the hex bolt and locknut.

  • Page 76: Replacing Stabilizer Wheels

    PROCEDURE 14 MWD WHEELCHAIRS Replacing Stabilizer Cylinders for Type C 5. Secure the bottom of the NEW stabilizer cylinder to the mounting hole on the swing arm noted in STEP 2 with Stabilizer Assemblies (FIGURE 17) the mounting screw, washers, and locknut. Loosely NOTE: Refer to STABILIZER INDENTIFICATION in the tighten.

  • Page 77: Replacing Stabilizer Cylinder Springs

    Con- assembly. tact Invacare Technical Service, 1-800-832-4707. 1. Secure the fork to the caster with one (1) 7/16-20 x 3- 7. SLOWLY remove adjustment nut and plate from sta- 1/4-inch hex screw, washer, and locknut.

  • Page 78: Repositioning Motors

    FIGURE 16 - REPLACING STABILIZER CYLINDER SPRINGS REPOSITIONING MOTORS Motor/ Gearbox WARNING Repositioning the motors MUST be performed by an authorized Invacare dealer or qualified technician. Pin (STEPS 4, 11) REPLACING CLUTCH HANDLES - DETAIL "A" Motor/Gearbox AND R2 (FIGURE 21)

  • Page 79: Basic

    MWD WHEELCHAIRS PROCEDURE 14 REPLACING MOTOR/GEARBOX - Battery Motor Connectors AND R2 (FIGURE 22) BASIC 250 SERIES (STEPS 4, 19) 1. If necessary, remove the shrouds. Refer to REMOV- ING/INSTALLING SHROUDS in PROCEDURE 10 of this manual. STEPS 5, 6 AND 17 2.

  • Page 80: Standard

    PROCEDURE 14 MWD WHEELCHAIRS NOTE: Make sure the detent ball on the pin is fully visible. 10. Position the new motor/gearbox and existing battery tray mounting bracket on the wheelchair frame at the 16. Repeat STEPS 3-15 for the opposite side of the wheel- chair, if necessary.
  • Page 81 MWD WHEELCHAIRS PROCEDURE 14 LONG Socket Screws SHORT Socket Screws (Apply Loctite 242 and (Apply Loctite 242 and torque to 60-inch pounds) torque to 60-inch (STEPS 9, 11) pounds) (STEPS 9, 11) Battery Motor Connectors (STEPS 4, 15) STEPS 5, 6 AND 14 Locknut Battery Tray Crossbrace...
  • Page 82 NOTES NOTES...

  • Page 83: Limited Warranty

    If within such warranty period any product shall be proven to be defective, such product shall be repaired or replaced, at Invacare's option. This warranty does not include any labor or shipping charges incurred in replacement part installation or repair of any such product.
  • Page 84 Invacare Corporation Canada...

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