Invacare Storm Series Service Manual
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Invacare Storm Series Service Manual

Invacare Storm Series Service Manual

Rwd/mwd/fwd
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Service Manual
STORM SERIES
WHEELCHAIRS
(RWD/MWD/FWD)
DEALER: KEEP THIS MANUAL. THE PROCEDURES
IN THIS MANUAL MUST BE PERFORMED BY AN
AUTHORIZED DEALER ONLY
All manuals and user guides at all-guides.com
Arrow
Torque
Ranger X
®
®
SP
™
™

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  • Page 1 All manuals and user guides at all-guides.com Service Manual ® STORM SERIES WHEELCHAIRS (RWD/MWD/FWD) Arrow ® Torque ™ Ranger X ™ DEALER: KEEP THIS MANUAL. THE PROCEDURES IN THIS MANUAL MUST BE PERFORMED BY AN AUTHORIZED DEALER ONLY...

  • Page 2: Special Notes

    NOTICE. WHEELCHAIR USER As a manufacturer of wheelchairs, Invacare endeavors to supply a wide variety of Action 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

    All manuals and user guides at all-guides.com TABLE OF CONTENTS TABLE OF CONTENTS NOTE: The information in this owner's manual applies to the STORM ARROW, ** STORM TORQUE, STORM X, JUNIOR MODELS and the RECLINER Wheelchairs except where specified. NOTE: Procedures 1- 14 apply to rear wheel drive, mid wheel drive and front wheel drive wheelchairs EXCEPT where specified.
  • Page 4 All manuals and user guides at all-guides.com TABLE OF CONTENTS TABLE OF CONTENTS (Continued) PROCEDURE 9 - BATTERIES ..........................41 INSTALLING/REMOVING BATTERIES INTO/FROM BATTERY BOX(ES) ............... 41 CONNECTING BATTERY CABLES ........................42 WHEN TO CHARGE BATTERIES ........................46 CHARGING BATTERIES ..........................46 REPLACING BATTERIES ..........................
  • Page 5 All manuals and user guides at all-guides.com TABLE OF CONTENTS TABLE OF CONTENTS (Continued) PROCEDURE 16 - RWD WHEELCHAIRS ....................... 79 REMOVING/INSTALLING GROUP 24 BATTERY BOX SUB-FRAME ................ 79 REMOVING/INSTALLING GROUP 22 BATTERY BOX TRAY ................... 79 EQUIPMENT OPTION CONVERTING GROUP 22 BATTERY BOX TRAY TO GROUP 24 BATTERY BOX SUB FRAME ..80 SHOCK REPLACEMENT ............................

  • Page 6: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS SPECIFICATIONS PHYSICAL DIMENSIONS vARROW ** TORQUE **TORQUE SP JUNIOR Seat Width Range: 16 to 20-in. 250 lbs Rating *12 to 16-in. MWD/RWD 16 to 20-in 300 lbs. Rating *16 to 22-in. 16 and 18-in. *16 to 22-in.
  • Page 7 All manuals and user guides at all-guides.com SPECIFICATIONS SPECIFICATIONS (Continued) PHYSICAL DIMENSIONS vARROW ** TORQUE **TORQUE SP JUNIOR Casters w/Precision Sealed Bearings Semi-Pneumatic 300 lbs. Rating Standard: 8 X 1-3/4-in. 8 X 1-3/4-in. 8 X 1-3/4-in. 8 X 1-3/4-in. 8 X 1-3/4-in. Option: 6 X 2-in.

  • Page 8: 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 unit. Battery connecting cables are NOT interchangeable. Battery connecting cables with single fuse setup MUST only be used on wheelchairs with conventional motor/gearbox assembly.

  • Page 9: Warning/Caution Label Location

    All manuals and user guides at all-guides.com GENERAL GUIDELINES PROCEDURE 1 WARNING/CAUTION LABEL LOCATION - RWD MODELS NOTE: These caution labels are only found on bat- SUSPENSION ARM tery boxes used with the gearless/brushless motor USED WITH CONVENTIONAL GROUP 24 BATTERIES GROUP 22 BATTERIES MOTOR/GEARBOX ASSEMBLY...
  • Page 10 All manuals and user guides at all-guides.com PROCEDURE 1 GENERAL GUIDELINES WARNING/CAUTION LABEL LOCATION MWD MODELS NOTE: Stablilizer springs are found on models built BEFORE 7/11/99 ONLY. NOTE: CAUTION LABEL also found on side frame near the front of the chair. Suspension Arm (located on inside of drive wheel)

  • Page 11: Procedure 2 - Troubleshooting

    NOTE: READ the instructions CAREFULLY before us- USING HYDROMETER TO CHECK ing the digital voltmeter. BATTERY CELLS (LEAD ACID) NOTE: Invacare recommends that ONLY qualified ser- (FIGURE 2) vice personnel perform this test. 1. Ensure that power is OFF. NOTE: Perform this procedure when a digital voltmeter is not available.

  • Page 12: Motor Testing

    Discharged (Ω) indicates a problem. High readings are generally 25% Charged caused by bad connections and/or damaged brushes. 50% Charged Contact authorized dealer or Invacare. 75% Charged 100% Charged Overcharged * Check charging system. 8. Flush the liquid back into the same cell after reading the float.

  • Page 13: Motor Brush Inspection

    There are two (2) contact brushes on ACTION STORM mo- tion respectively. If either condition exists, send the motor tors located under the brush caps on the motor housing. If to Invacare Technical Service for inspection/repair. these caps are hard to remove they are either overtightened or CAUTION the motor has become very hot.

  • Page 14: Procedure 3 - Hardware Torque Specifications

    All manuals and user guides at all-guides.com PROCEDURE 3 HARDWARE TORQUE SPECIFICATIONS HARDWARE TORQUE SPECIFICATIONS STANDARD SEAT FRAME *Torque to 60 in/lbs *Loctite and Torque to *Loctite ® 75 in/lbs Torque to 75 in/lbs Torque to 156 in/lbs **Torque 156 in/lbs **Torque to 156 in/lbs **Torque to...

  • Page 15: Captains Van Seat

    All manuals and user guides at all-guides.com HARDWARE TORQUE SPECIFICATIONS PROCEDURE 3 HARDWARE TORQUE SPECIFICATIONS *CAPTAINS VAN SEAT *ADJUSTABLE SEAT FRAME Torque to Torque to 156-in/lbs 156-in/lbs Torque to 75-in/lbs Loctite and Torque to 75 in/lbs Torque to 156-in/lbs Torque to 156 in/lbs Torque to 156-in/lbs...

  • Page 16: Rear Wheel Drive Base Frame Hardware Torque Specifications

    All manuals and user guides at all-guides.com PROCEDURE 3 HARDWARE TORQUE SPECIFICATIONS REAR WHEEL DRIVE BASE FRAME HARDWARE TORQUE SPECIFICATIONS Torque to 160 in/lbs Loctite and torque to 160 in/lbs Torque to 1020 in/lbs REAR OF WHEELCHAIR Loctite and Torque to 75 in/lbs Torque to 160 in/lbs...

  • Page 17: Mid-Wheel Drive Base Frame Hardware Torque Specifications

    All manuals and user guides at all-guides.com HARDWARE TORQUE SPECIFICATIONS PROCEDURE 3 MID-WHEEL DRIVE BASE FRAME HARDWARE TORQUE SPECIFICATIONS Loctite and torque to Torque to FRONT OF 160 in/lbs 160 in/lbs WHEELCHAIR Torque to 40 in/lbs Torque to 1020 in/lbs Tighten until snug Loctite and...

  • Page 18: Front Wheel Drive Base Frame Hardware Torque Specifications

    All manuals and user guides at all-guides.com PROCEDURE 3 HARDWARE TORQUE SPECIFICATIONS FRONT-WHEEL DRIVE BASE FRAME HARDWARE TORQUE SPECIFICATIONS REAR OF Torque to WHEELCHAIR 156 in/lbs Torque to 160 in/lbs Torque to 156 in/lbs Torque to 15 in/lbs Torque to Torque to 360 in/lbs 1020 in/lbs...

  • Page 19: Procedure 4 - Arms

    All manuals and user guides at all-guides.com ARMS PROCEDURE 4 REPLACING CAPTAINS VAN SEAT This Procedure Includes the Following: ARMREST PLATE (FIGURE 2) Replacing Armrest Pads - Captains Van Seats Replacing Captains Van Seat Armrest Plate 1. If necessary, remove the three (3) mounting screws, spacers and locknuts that secure the joystick mount- ing bracket to the armrest plate.

  • Page 20: Procedure 5 - Upholstery/Positioning Strap

    All manuals and user guides at all-guides.com PROCEDURE 5 UPHOLSTERY/POSITIONING STRAP REPLACING BACK UPHOLSTERY This Procedure Includes the Following: (FIGURE 2) Replacing Seat Positioning Strap - Captains Van Seats 1. Remove one (1) armrest from the wheelchair. Refer to Replacing Back Upholstery INSTALLING/REMOVING FLIP BACK ARMRESTS in PROCEDURE 4 of the owner’s manual, 1081227.
  • Page 21 All manuals and user guides at all-guides.com UPHOLSTERY/POSITIONING STRAP PROCEDURE 5 NOTE: When replacing the back upholstery, back as- HEAVY DUTY MODELS sembly or changing back height, follow these guidelines NOTE: Spreader bar required on all back heights. for spreader bar height: BACK HEIGHT u SPREADER BAR STANDARD MODELS...

  • Page 22: Procedure 6 - Seat Frame

    All manuals and user guides at all-guides.com PROCEDURE 6 SEAT FRAME 1. Remove footrest assemblies. Refer to PROCEDURE This Procedure includes the following: 4 in of the owner’s manual, 1081227. Preparation for Removing/Installing Seat Frame 2. Remove battery box(es). Refer to INSTALLING/RE- (Standard Frame, Adjustable Frame, MOVING GROUP 24 BATTERY BOXES or INSTALL- and Captains Van Seat) ......Page 21...

  • Page 23: Replacing Exact Same Size Standard Seat Frame

    All manuals and user guides at all-guides.com SEAT FRAME PROCEDURE 6 3. Cut tie wraps and disconnect joystick from controller. 4. Reinstall the components previously removed in STEP 1. Perform the instructions outlined in PREPARATIONS 4. Turn the lever on the adjustment lock to release the FOR REMOVING/INSTALLING SEAT FRAME (STAN- adjustment lock from the joystick mounting tube.

  • Page 24: Changing Seat Depth

    All manuals and user guides at all-guides.com PROCEDURE 6 SEAT FRAME B. If the desired change only requires a NEW seat 3. Refer back to the starting procedure to complete the pan, refer to REMOVING/INSTALLING SEAT PAN desired change. in this procedure of the manual. C.
  • Page 25 All manuals and user guides at all-guides.com SEAT FRAME PROCEDURE 6 1. Find current seat depth in left hand column in the chart. NOTE: If seat width adjustment is also desired, re- fer to CHANGING SEAT WIDTH in this procedure 2.

  • Page 26: Changing Seat Width (Standard And Adjustable Seat Frame)

    All manuals and user guides at all-guides.com PROCEDURE 6 SEAT FRAME 1. Remove the armrests from the wheelchair. Refer to IN- 11. Reinstall the armrests onto the wheelchair. Refer to IN- STALLING/REMOVING FLIP BACK ARMRESTS in STALLING/REMOVING FLIP BACK ARMRESTS in PROCEDURE 4 of the owner’s manual, 1081227.

  • Page 27: Installing/Removing Adjustable Seat Frame Subassembly And/Or Component Replacement

    All manuals and user guides at all-guides.com SEAT FRAME PROCEDURE 6 B. For all other changes regarding seat frame changes, ALLOWABLE SEAT WIDTH AND DEPTH refer back to the starting procedure to complete the COMBINATIONS FOR ADJUSTABLE SEAT FRAME desired change. SEAT WIDTH DETAIL “A”...
  • Page 28 All manuals and user guides at all-guides.com PROCEDURE 6 SEAT FRAME 1. Secure both support brackets to the seat mounting plates Component Replacement with four (4) mounting screws and locknuts as shown in 1. Perform the instructions outlined in PREPARATIONS FIGURE 6.

  • Page 29: Installing/Removing Captains Van Seat Assembly

    All manuals and user guides at all-guides.com SEAT FRAME PROCEDURE 6 3. Perform one (1) of the following: A. If center frame needs replaced, repeat STEP 2 for Captains Van opposite side frame and proceed to STEP 4. Seat B. If opposite side frame needs replaced, repeat STEP 2, then proceed to STEP 6.

  • Page 30: Converting From Standard Seat Frame To Adjustable Seat Frame Or Vice Versa

    All manuals and user guides at all-guides.com PROCEDURE 6 SEAT FRAME 3. Remove the four (4) mounting screws, two (2) wash- 6. Perform the instructions outlined in PREPARATIONS ers, and two (2) spacers that secure the captains van FOR REMOVING/INSTALLING SEAT FRAME (STAN- seat to the seat frame.

  • Page 31: Converting From Standard Seat Frame To Captains Van Seat Or Vice Versa

    All manuals and user guides at all-guides.com SEAT FRAME PROCEDURE 6 3. Remove the six (6) mounting screws, locknuts, and spac- C. Perform the instructions outlined in PREPARA- ers that secure the seat pan, seat positioning strap, and TIONS FOR REMOVING/INSTALLING SEAT quick release pin to the seat frame.

  • Page 32: Mounting Plate - Seat Angle Adjustment And Installation Orientation

    All manuals and user guides at all-guides.com PROCEDURE 6 SEAT FRAME B. Reinstall the flip-back armrests from the wheelchair. C. Securely tighten both mounting screws. Torque to Refer to INSTALLING/REMOVING FLIP BACK ARM- 15-in/lbs. RESTS in PROCEDURE 4 of the owner’s manual, 2.

  • Page 33: Procedure 7 - Base Frame

    All manuals and user guides at all-guides.com BASE FRAME PROCEDURE 7 6. Adjust seat mounting plates to desired angle. Refer to This Procedure Includes the Following: MOUNTING PLATE - SEAT ANGLE ADJUSTMENT Replacing Seat Mounting Plates AND INSTALLATION ORIENTATION in PROCEDURE 6 of this manual.

  • Page 34: Replacing Seat Support Bracket T-Nuts

    All manuals and user guides at all-guides.com PROCEDURE 7 BASE FRAME B. Remove adjustable seat frame subassembly. Re- WARNING fer to INSTALLING/REMOVING ADJUSTABLE Do not adjust the position of the seat sup- SEAT FRAME ASSEMBLY AND OR COMPO- port bracket in this procedure. If an ad- NENT REPLACEMENT in PROCEDURE 6 of justment is desired, refer to ADJUSTING this manual.

  • Page 35: Replacing Battery Charger Bracket And T-Nut

    All manuals and user guides at all-guides.com BASE FRAME PROCEDURE 7 12. Reinstall the seat mount plates. Refer to REPLACING 8. Secure the battery charger connector to the mount SEAT MOUNTING PLATES in this procedure of the bracket with the EXISTING two (2) mounting screws. manual.

  • Page 36: Removing/Installing Seat Stop Screws

    All manuals and user guides at all-guides.com PROCEDURE 7 BASE FRAME 5. Remove the two (2) mounting screws that secure the REMOVING/INSTALLING SEAT battery charger connector to the mount bracket. STOP SCREWS (FIGURE 6) 6. Remove battery charger connector from mount bracket. NOTE: This procedure is for RWD and MWD wheel- 7.

  • Page 37: Procedure 8 - Back Frame

    All manuals and user guides at all-guides.com BACK FRAME PROCEDURE 8 NOTE: Ensure the CJ back bracket is mounted in the front This Procedure includes the following: holes of the back angle plates as shown in DETAIL “A”. Removing/Installing CJ Back Brackets WARNING Changing Back Height Always wear your seat positioning strap.

  • Page 38: Changing Back Height

    All manuals and user guides at all-guides.com PROCEDURE 8 BACK FRAME NOTE: If needing a reference for proper mounting holes CHANGING BACK HEIGHT for the back angle required, or if changing the original back (FIGURE 2) angle, refer to BACK ANGLE ADJUSTMENT in this pro- cedure of the manual.
  • Page 39 All manuals and user guides at all-guides.com BACK FRAME PROCEDURE 8 17. If necessary, reposition the spreader bar at the cor- 18. Reinstall the armrest onto the wheelchair. Refer to rect height for the corresponding back height and INSTALLING/REMOVING FLIP BACK ARMRESTS torque the mounting hardware to 60-inch pounds.

  • Page 40: Back Angle Adjustment

    All manuals and user guides at all-guides.com PROCEDURE 8 BACK FRAME 3. Remove the mounting screw and washer from the BACK ANGLE ADJUSTMENT bottom mounting hole of the back angle plate and (FIGURE 3) back cane. 1. Remove armrests from the wheelchair. Refer to IN- 4.

  • Page 41: Tprocedure 9 - Batteries

    Bottom tained 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 unit. FIGURE 1 - INSTALLING/REMOVING BATTERIES INTO/FROM BATTERY BOXES...

  • Page 42: Connecting Battery Cables

    All manuals and user guides at all-guides.com PROCEDURE 9 BATTERIES CONNECTING BATTERY CABLES 3. Connect NEGATIVE battery cable clamp to NEGA- (FIGURE 2) TIVE(-) battery post and connect POSITIVE battery cable clamp to POSITIVE (+) battery post (DETAIL “A”). WARNING NEVER allow any of your tools and/or battery 4.
  • Page 43 All manuals and user guides at all-guides.com BATTERIES PROCEDURE 9 DETAIL “A” NEGATIVE POSITIVE Battery Battery Terminal/ Terminal/ Post Post Battery Battery Box Bottom TWO (2) CONNECTOR BATTERY BOX ONE (1) CONNECTOR BATTERY BOX RED POSITIVE (+) Black NEGA- Battery Cable TIVE (-) BLACK One (1) Connector...
  • Page 44 All manuals and user guides at all-guides.com PROCEDURE 9 BATTERIES 5. Position battery box top right side up and rotate Group 22 Battery Base Frames (FIGURE 3) outward toward right to expose POSITIVE (+) bat- NOTE: Refer to WARNINGSand CAUTIONS in the front tery terminal/post of front battery.
  • Page 45 All manuals and user guides at all-guides.com PROCEDURE 9 BATTERIES STEPS 3 AND 4 Battery Box Bottom Front FRONT Battery NEGATIVE (-) Battery Rear Terminal/Post Battery NEGATIVE (-) STEP 2 Front BLACK Battery Battery Cable FRONT Single Battery Battery Box Top POSITIVE (+) WHITE Bat- (Under Side...

  • Page 46: When To Charge Batteries

    WARNING If the charger circuit breaker is tripping ON and OFF, unplug the charger and contact Invacare Technical Services, 1-800-832-4707.
  • Page 47 All manuals and user guides at all-guides.com BATTERIES PROCEDURE 9 NOTE: If performing the charging procedures independently, RWD/MWD MODELS READ and CAREFULLY follow the individual instructions Battery Charger Connector Charger Cable for each charger (supplied or purchased). From Battery Charger NOTE: If charging instructions are not supplied, consult a Three (3) qualified service technician for proper procedures.

  • Page 48: Replacing Batteries

    REPLACING BATTERIES However, warnings are frequently noted on the cell caps. Read them carefully. NOTE: Invacare recommends that both batteries be replaced if one (1) battery is defective. DO NOT allow the liquid in the battery to come in contact with skin, clothes or other Recommended Battery Types possessions.

  • Page 49: Installing/Removing Group 22 Battery Box

    All manuals and user guides at all-guides.com BATTERIES PROCEDURE 9 NOTE: Make certain that the carrying strap of the first INSTALLING/REMOVING GROUP battery box installed is positioned on top of the battery box 22 BATTERY BOX (FIGURE 9) and will not interfere with the second battery box guide pins during installation.

  • Page 50: Fprocedure 10 - Wiring Harness

    All manuals and user guides at all-guides.com PROCEDURE 10 WIRING HARNESS 4. Disconnect the battery harness/charger cable (BLUE) This Procedure includes the following: from the controller connector (BLUE). Removing/Installing the Wiring Harness 5. Remove the two mounting screws that secure the Adjusting Limit Switch charger cable to the mounting bracket.
  • Page 51 All manuals and user guides at all-guides.com WIRING HARNESS PROCEDURE 10 DETAIL B - GROUP 22 BATTERIES DETAIL A - GROUP 24 BATTERIES Wiring Harness Mounting Bracket Screws Joystick Battery Box Cable Sub-Frame REAR OF Wiring Base CHAIR Harness Frame Locknuts FRONT OF CHAIR...

  • Page 52: Adjusting Limit Switch

    All manuals and user guides at all-guides.com PROCEDURE 10 WIRING HARNESS 3. Turn the wheelchair power switch on the joystick to the ADJUSTING LIMIT SWITCH ON position. (FIGURE 2) NOTE: The wheelchair should not operate. NOTE: The following procedure is for high back captains van seat model wheelchairs only.

  • Page 53: Tprocedure 11 - Retention Strap/Retainer

    All manuals and user guides at all-guides.com RETENTION STRAP/RETAINER PROCEDURE 11 This Procedure Includes the Following: B. FWD MODEL - Reinstall the mounting screw, washer, spacer, and locknut that secure the retainer Replacing Battery Box Retainer Bar/ Retainer Clip clip to the battery box sub-frame. Use Loctite 242 -Group 24 Battery Base Frames and torque to 160-inch pounds.

  • Page 54: Procedure 12 - Wheels/Motors

    All manuals and user guides at all-guides.com PROCEDURE 12 WHEELS/MOTORS RWD AND MWD MODELS Shock Assembly Base Frame Mounting Battery Box Angled End Screws Sub-frame (Facing Upward) Spacer Retainer Retainer Top of Shock Clip Assembly FWD MODELS Spacer Retainer Washers Clip Retainer Bar ASSEMBLED VIEW...

  • Page 55: Replacing Pneumatic Tires/Tubes - Drive Wheels/Casters

    *NOTE: It is not required to remove the locknut and washer to remove the drive wheel. If tires are pneumatic, replacement of tire or tube MUST be performed by an authorized Invacare GEARLESS/BRUSHLESS MOTOR dealer or qualified technician. NOTE: If drive wheels or casters are pneumatic, under-in- flation causes excessive wear which results in poor perfor- mance of the tires.

  • Page 56: Removing/Installing Drive Wheel Hub

    All manuals and user guides at all-guides.com PROCEDURE 12 WHEELS/MOTORS REMOVING/INSTALLING DRIVE INSTALLING WHEEL LOCK BRACKET WHEEL HUB (FIGURE 1) ONTO WHEELCHAIR (FIGURE 2) NOTE: This procedure can only be performed on sec- NOTE: This procedure only pertains to second gen- ond generation storm wheelchairs with the conven- eration storm wheelchairs with the conventional mo- tional motor/gearbox assembly.

  • Page 57: Removing/Installing Casters

    All manuals and user guides at all-guides.com WHEELS/MOTORS PROCEDURE 12 NOTE: Check bearing assemblies. Replace if necessary. REMOVING/INSTALLING CASTERS (FIGURE 3) 6. Ensure new fork slides completely into caster headtube. 7. Install nylon washer and secure with locknut. WARNING DO NOT use your power wheelchair unless it has WARNING the proper tire pressure (p.s.i.).
  • Page 58 All manuals and user guides at all-guides.com PROCEDURE 12 WHEELS/MOTORS 4. Remove the two (2) mounting screws, spacers, and 8. Install the battery box(es). Refer to INSTALLING/RE- washers that secure the MKIV controller to the base MOVING GROUP 24 BATTERY BOXES in PROCE- frame.

  • Page 59: Removing/Installing The Motor (Gearless Brushless Motor)

    All manuals and user guides at all-guides.com WHEELS/MOTORS PROCEDURE 12 3. Secure motor to the suspension arm with existing REMOVING/INSTALLING THE four (4) mounting screws. Torque to 13 foot/pounds. MOTOR (GEARLESS/BRUSHLESS 4. Slide the motor lock lever along brake release shaft MOTOR) (FIGURE 6) until the end is flush with the bushing guide.
  • Page 60 All manuals and user guides at all-guides.com PROCEDURE 12 WHEELS/MOTORS Brake Release Shaft Guide Bushing *Alignment Pin Mounting Screw Washer Washer Motor Mounting Screw Suspension Washer Mounting Screws DETAIL “A” Motor Lock Mounting Screws Lever Adjustment Screw Motor Mounting Wiring Harness Screws Connector *NOTE: Alignment pin exploded away suspension arm for clarification purposes only.

  • Page 61: Procedure 13 - Electronics

    All manuals and user guides at all-guides.com ELECTRONICS PROCEDURE 13 This Procedure Includes the Following: 11. Position the armrest pad on the armrest plate. Repositioning MKIV Joystick - Van Seat Models 12. Line up the mounting holes in the armrest insert, arm- Removing/Installing MKIV Controller rest plate and armrest pad.
  • Page 62 All manuals and user guides at all-guides.com PROCEDURE 13 ELECTRONICS Arrow Fwd Model INSTALLING. 1. Connect left hand motor/controller connection of NEW REMOVING. controller. 1. Remove the front shroud. Refer to REMOVING/IN- 2. Rotate top of left shock into position. STALLING FRONT SHROUD in PROCEDURE 17 of this manual.

  • Page 63: Procedure 14 - Recliner

    All manuals and user guides at all-guides.com RECLINER PROCEDURE 14 9. Secure limit switch sensor to the seat frame with the This Procedure Includes the Following: two (2) mounting screws and washers. Positioning Limit Switch 10. Secure the wire retainer onto the INSIDE of the seat Adjusting Limit Switch frame with the mounting screw.

  • Page 64: Replacing Recliner Cable Assemblies

    All manuals and user guides at all-guides.com PROCEDURE 14 RECLINER B. Slide actuator UP (towards top of the wheelchair). 6. Remove the operator of the existing recliner cable assembly from the pivot block. CAUTION 7. Make sure the threads of the gas cylinder rod are DO NOT over tighten the mounting screws that flush with the inside of the pivot block.

  • Page 65: Replacing/Adjusting Gas Cylinders

    All manuals and user guides at all-guides.com RECLINER PROCEDURE 14 10. Visually inspect the handle to make sure that the cable If slack in the recliner cable or movement in the operator of is snapped completely into slot in handle and cable fit- the cable assembly can not be eliminated, DO NOT use the recliner cable assembly.

  • Page 66: Changing Back Height

    All manuals and user guides at all-guides.com PROCEDURE 14 RECLINER 6. Turn the spreader bar on the existing back canes Adjusting Gas Cylinder CLOCKWISE (toward back upholstery) and remove 1. To adjust the LEFT gas cylinder: Squeeze the handle the spreader bar from the existing back canes. of the RIGHT recliner cable assembly and try to re- 7.

  • Page 67: Changing Seat Depth

    All manuals and user guides at all-guides.com RECLINER PROCEDURE 14 NOTE: There are three (3) different cable lengths depending Seat Pan Removal/Replacement Procedures: on back height: 1. Remove the seat cushion from the wheelchair. BACK HEIGHT (in inches) 18-1/2, 20 22, 24 2.

  • Page 68: Arrow Or X Base Frame

    All manuals and user guides at all-guides.com PROCEDURE 14 RECLINER If the seat width required is within the range of the original 10. Perform instructions outlined in PREPARATIONS back canes, spreader bar and headrest pillow, the original FOR REMOVING/INSTALLING SEAT FRAME components can still be used.

  • Page 69: Procedure 15 - Mwd Wheelchairs

    All manuals and user guides at all-guides.com MWD WHEELCHAIRS PROCEDURE 15 2. Reinstall the four (4) mounting screws that secure the This Procedure includes the following: shocks, retainer bar, spacers and retainer clips to the Removing/Installing Group 24 Battery Box Sub-Frame base frame.

  • Page 70: Equipment Option Converting Group 22 Battery Box Tray To Group 24 Battery Box Sub Frame

    All manuals and user guides at all-guides.com PROCEDURE 15 MWD WHEELCHAIRS 3. Disconnect the right and left motor connectors from Installing the controller connectors. 1. Install battery box tray onto base frame. 4. Remove the two (2) mounting screws that secure 2.

  • Page 71: Shock Replacement

    All manuals and user guides at all-guides.com MWD WHEELCHAIRS PROCEDURE 15 WARNING The Battery Box Retainer/Retainer Clip MUST be fastened securely in place be- fore using the wheelchair. Use Loctite 242 and torque to 160-inch pounds. STEPS 1-2 Mounting Screws Connect the following cables: Wiring Harness w/Bracket...
  • Page 72 All manuals and user guides at all-guides.com PROCEDURE 15 MWD WHEELCHAIRS WARNING The Battery Box Retainer/Retainer Clip MUST be fastened securely in place be- fore using the wheelchair. Use Loctite 242 Base Frame and torque to 160-inch pounds. Battery Box Retainer Bar Stabilizer Battery Box...

  • Page 73: Shock Spring Replacement

    All manuals and user guides at all-guides.com MWD WHEELCHAIRS PROCEDURE 15 (Group 22 Battery Base Frames) (Group 24 Battery Base Frames) Base Frame Battery Mount Bracket Mounting Screw (Group 22 Battery Base Frames) Flat Washer Mounting NOTE: (Group 24 Battery Base Frames Only) Remove Screw and hold onto the retainer clip for reinstallation of shock.

  • Page 74: Replacing Stabilizer Fork Assembly

    All manuals and user guides at all-guides.com PROCEDURE 15 MWD WHEELCHAIRS Shock Eyelet Spring Assembly Retainer Shock Spring REPLACING STABILIZER WHEELS Spring (FIGURE 8) Base Shock FIGURE 7 - SHOCK SPRING REPLACEMENT REPLACING STABILIZER FORK ASSEMBLY (FIGURE 8) NOTE: Remove this mounting screw and Base Frame locknut only when replacing the stabilizer Mounting Screw...

  • Page 75: Replacing Stabilizer Cylinder Spring

    All manuals and user guides at all-guides.com MWD WHEELCHAIRS PROCEDURE 15 REPLACING STABILIZER ADJUSTING WEIGHT DISTRIBUTION CYLINDER SPRING (FIGURE 9) (FIGURE 10) NOTE: Stabilizer springs are only on wheelchair mod- NOTE: The seat mount plates and seat support brackets els built before 7/1/1999. allow seat frame to be repositioned along the base frame.

  • Page 76: Adjusting Stabilizers

    All manuals and user guides at all-guides.com PROCEDURE 15 MWD WHEELCHAIRS NOTE: This setting would allow the wheelchair to WARNING roll better on thicker carpeting and minimize scuff- The threaded rod must be engaged in the ing. adjustment barrel at least eight (8) full threads. Otherwise, injury or damage may occur.

  • Page 77: Removing/Installing Gearbox

    All manuals and user guides at all-guides.com MWD WHEELCHAIRS PROCEDURE 15 NOTE: Replace any parts that show signs of wear or dam- age. REMOVING/INSTALLING GEARBOX (FIGURE 12) CAUTION Perform the following procedure in a des- ignated work area to prevent damage to flooring (carpeting, tile, etc.).
  • Page 78 All manuals and user guides at all-guides.com PROCEDURE 15 MWD WHEELCHAIRS NOTE: When installing the tubular end of the NEW sus- pension arm, the beveled washer MUST be placed on the inside and outside of the base frame, with the bevels facing each other.

  • Page 79: Procedure 16 - Rwd Wheelchairs

    All manuals and user guides at all-guides.com RWD WHEELCHAIRS PROCEDURE 16 This Procedure includes the following: Removing/Installing Group 24 Battery Box Sub-Frame Removing/Installing Group 22 Battery Box Tray Converting Group 22 Batteries to Group 24 Batteries Shock Replacement Shock Spring Replacement Rubber Element Replacement Converting Torque and X Rubber Elements to Shocks Anti-Tipper Wheel Replacement...

  • Page 80: Equipment Option Converting Group 22 Battery Box Tray To Group 24 Battery Box Sub Frame

    All manuals and user guides at all-guides.com PROCEDURE 16 RWD WHEELCHAIRS Installing Spacer Battery Mount Bracket Mounting Screws Base Frame Locknuts Bolts *Rubber Element (or Shock Assembly) *NOTE: Illustration depicts rubber element. Battery Mount Brackets remove in the same manner for the shock assembly.

  • Page 81: Shock Replacement

    All manuals and user guides at all-guides.com RWD WHEELCHAIRS PROCEDURE 16 7. Reinstall the mounting screws that secure the bat- SHOCK REPLACEMENT (FIGURE 5) tery box retainer bar to the base frame. Use Loctite 1. Remove the group 22 battery box or group 24 battery 242 and torque to 160-inch pounds (FIGURE 5).
  • Page 82 All manuals and user guides at all-guides.com PROCEDURE 16 RWD WHEELCHAIRS TOP OF SHOCK GROUP 24 BATTERIES GROUP 22 BATTERIES Battery Box Sub-frame FRONT OF CHAIR Shock REAR OF CHAIR Mounting Screw (LOOSEN) Mounting Screw Spacer Suspension Retainer Clip Top of Battery Box (Closed End) NOTE: Suspension arm for conventional motor shown.

  • Page 83: Shock Spring Replacement

    All manuals and user guides at all-guides.com RWD WHEELCHAIRS PROCEDURE 16 SHOCK SPRING REPLACEMENT GROUP 22 BATTERIES (FIGURE 6) Shock 1. Remove the group 22 battery box or group 24 battery boxes. Refer to INSTALLING/REMOVING GROUP 22 BATTERY BOX or INSTALLING/REMOVING GROUP 24 BATTERY BOXES in PROCEDURE 9 of this manual.

  • Page 84: Rubber Element Replacement - Torque And X Base Frames

    All manuals and user guides at all-guides.com PROCEDURE 16 RWD WHEELCHAIRS RUBBER ELEMENT REPLACEMENT EQUIPMENT OPTION (FIGURE 7) CONVERTING TORQUE AND X NOTE: Rubber elements are only found on Storm RUBBER ELEMENTS TO ARROW Torque and Storm X wheelchairs. SHOCKS (FIGURE 8) 1.

  • Page 85: Removing/Installing Gearbox

    All manuals and user guides at all-guides.com RWD WHEELCHAIRS PROCEDURE 16 REMOVING/INSTALLING GEARBOX 5/16-18 x 5/16-18 x (FIGURE 10) 2-1/2-inch 1-1/4-inch CAUTION Screws Screws Perform the following procedure in a des- ignated work area to prevent damage to flooring (carpeting, tile, etc.). Removing Suspension 1.

  • Page 86: Repositioning Motor/Gearbox

    All manuals and user guides at all-guides.com PROCEDURE 16 RWD WHEELCHAIRS 2. Moving the seat rearward. MOTOR/GEARBOX ASSEMBLY Advantage: Makes turning easier and provide bet- Standard - 1 - Inch Forward - ter traction for the large wheels. Approximately 65% of Approximately 70% of weight over rear weight over rear...

  • Page 87: Repositioning The Gearless/Brushless Motor

    All manuals and user guides at all-guides.com RWD WHEELCHAIRS PROCEDURE 16 REPOSITIONING THE GEARLESS/BRUSHLESS MOTOR (FIGURE 13,14) Acceptable mounting positions for the gearless/brushless motor. NOTE: The motor/gearbox assembly or gearless/brushless motor can be repositioned to lengthen or shorten the wheel- base by 2-inches in 1-inch increments.

  • Page 88: Replacing Suspension Arm For Wheelchairs With Motor/Gearbox Assembly

    All manuals and user guides at all-guides.com PROCEDURE 16 RWD WHEELCHAIRS 1. Determine the desired mounting position of the gear- 10. Reinstall the drive wheel to the wheelchair. Refer to RE- less/brushless motor. Refer to ACCEPTABLE MOVING/INSTALLING DRIVE WHEELS in PROCE- MOUNTING POSITIONS FOR THE GEARLESS/ DURE 12 of this manual.

  • Page 89: Replacing The Suspension Arm For Wheelchairs With Gearless/Brushless Motor

    All manuals and user guides at all-guides.com RWD WHEELCHAIRS PROCEDURE 16 8. Torque suspension arm hex screws (1/2 x 7-inches) to 12. Install the shock onto the new suspension arm. Refer 85 FOOT pounds (approximately 1,020-inch pounds) to REMOVING/INSTALLING THE SHOCK ASSEM- and replace plug buttons.

  • Page 90: Removing Installing The Anti-Tip Assembly

    All manuals and user guides at all-guides.com PROCEDURE 16 RWD WHEELCHAIRS 2. Secure top of anti-tip bracket to suspension arm with REMOVING/INSTALLING THE existing mounting screw, washers, spacers, and lock- ANTI-TIP ASSEMBLY nut. Securely tighten. Removing 3. Align lower mounting hole of the anti-tip mounting bracket with the lower slot of the suspension arm.

  • Page 91: Procedure 17 - Fwd Wheelchairs

    All manuals and user guides at all-guides.com FWD WHEELCHAIRS PROCEDURE 17 REMOVING/INSTALLING FRONT This Procedure includes the following: SHROUD (FIGURE 2) Removing/Installing Rear Shroud Removing/Installing Front Shroud Removing Removing/Installing Side Shroud Assembly 1. Turn the two (2) wing nuts on the TOP of the front shroud COUNTERCLOCKWISE.

  • Page 92: Removing/Installing Counterweight

    All manuals and user guides at all-guides.com PROCEDURE 17 FWD WHEELCHAIRS 3. Remove the two (2) socket screws that secure the REMOVING/INSTALLING side shroud bracket to the suspension arm. COUNTERWEIGHT (FIGURE 4) 4. Remove the mounting screw and washer that se- cures the REAR of the side shroud to the suspension WARNING arm.

  • Page 93: Replacing Group 24 Battery Box Sub-Frame

    All manuals and user guides at all-guides.com FWD WHEELCHAIRS PROCEDURE 17 DETAIL “A” - REMOVING - STEP 2; REPLACING GROUP 24 BATTERY INSTALLING - STEP 5 BOX SUB-FRAME (FIGURE 5) Handle Removing 1. Remove the rear shroud. Refer to REMOVING/INSTALL- ING REAR SHROUD in this procedure of the manual.

  • Page 94: Removing/Installing Shocks

    All manuals and user guides at all-guides.com PROCEDURE 17 FWD WHEELCHAIRS 17. Reinstall the counterweight. Refer to REMOVING/IN- 18. Reinstall the rear shroud. Refer to REMOVING/IN- STALLING COUNTERWEIGHT in this procedure of STALLING REAR SHROUD in this procedure of the the manual.

  • Page 95: Shock Spring Replacement

    All manuals and user guides at all-guides.com FWD WHEELCHAIRS PROCEDURE 17 Base Frame 7. Secure top of shock and spring retainer to base frame. Apply Loctite 242 and torque to 160-inch pounds. Washer 8. Reinstall the shock. Refer to REMOVING/INSTALL- ING SHOCKS in this procedure of this manual.

  • Page 96: Removing/Installing Gearbox

    All manuals and user guides at all-guides.com PROCEDURE 17 FWD WHEELCHAIRS 3. Install the tie rod onto the base frame using the mount- 8. Securely tighten the tie rods to the base frame AND to ing screw, large washer, small washer and locknut. the suspension arm.

  • Page 97: Sensor Cable Assembly Replacement

    All manuals and user guides at all-guides.com FWD WHEELCHAIRS PROCEDURE 17 Installing 5. Reinstall the battery boxes. Refer to INSTALLING/RE- MOVING GROUP 24 BATTERY BOXES in PRO- CAUTION CEDURE 9 of this manual. The longer socket screws MUST be posi- tioned in the mounting holes on the OUT- 6.

  • Page 98: Replacing Suspension Arm

    All manuals and user guides at all-guides.com PROCEDURE 17 FWD WHEELCHAIRS 14. Secure the NEW sensor cable to the sensor bracket 16. Reinstall the counterweight. Refer to REMOVING/IN- with a NEW tie wrap (DETAIL “A”). STALLING COUNTERWEIGHT in this procedure of the manual.

  • Page 99: Removing/Installing Wiring Harness

    All manuals and user guides at all-guides.com FWD WHEELCHAIRS PROCEDURE 17 3. Remove the battery boxes. Refer to INSTALLING/RE- REMOVING/INSTALLING WIRING MOVING GROUP 24 BATTERY BOXES in PRO- HARNESS (FIGURE 12) CEDURE 9 of this manual. 4. Remove the drive wheel from the wheelchair. Refer Removing to REMOVING/INSTALLING DRIVE WHEELS in 1.
  • Page 100 All manuals and user guides at all-guides.com PROCEDURE 17 FWD WHEELCHAIRS 6. Reinstall the mounting screw that secures the battery 7. Reinstall the battery boxes. Refer to INSTALLING/RE- charger port to the mounting bracket (DETAIL”A”). Se- MOVING GROUP 24 BATTERY BOXES in PRO- curely Tighten.

  • Page 101: Adjusting Weight Distribution

    All manuals and user guides at all-guides.com FWD WHEELCHAIRS PROCEDURE 17 Mounting Screws ADJUSTING WEIGHT DISTRIBUTION (FIGURE 13) NOTE: Depending on the seat depth ordered, the position of the seat support brackets is factory set between 2.25 and 6 inches (measured from the front of the base frame to the front of the seat support brackets).

  • Page 102: Footboard Adjustments- Depth/Height/Angle

    All manuals and user guides at all-guides.com PROCEDURE 17 FWD WHEELCHAIRS 9. Adjust angle of footrest. Refer to FOOTREST ANGLE FOOTBOARD ADJUSTMENTS- ADJUSTMENTS in this procedure of the Manual. DEPTH/HEIGHT/ANGLE 10. Install the seat. Refer to REMOVING/INSTALLING (FIGURE 15) THE SEAT FRAME in PROCEDURE 6 of this manual. 11.

  • Page 103: Footrest Angle Adjustments

    All manuals and user guides at all-guides.com FWD WHEELCHAIRS PROCEDURE 17 DEPTH FOOTREST ANGLE ADJUSTMENTS Flat Screws WARNING Washers DO NOT remove detent pin from footrest Locknuts assembly. Otherwise, injury may result. Two (2) Mounting Footrest Angle Adjustment Relative to the Positions Vertical Position of the Front Shroud (FIGURE 16)
  • Page 104 All manuals and user guides at all-guides.com FWD WHEELCHAIRS PROCEDURE 17 DETAIL “A” DETAIL “B” Locknut Cams Upper Mounting Mounting Screw Bracket DETAIL “C” - SIDE VIEW OF FOOTREST NOTE: Angle is increased or decreased depending on direction of footrest rotation Direction of Footrest...
  • Page 105 All manuals and user guides at all-guides.com NOTES NOTES...
  • Page 106 All manuals and user guides at all-guides.com NOTES NOTES...

  • Page 107: Limited Warranty

    In the event you do not receive satisfactory warranty service, please write directly to Invacare at the address at the bottom of the back cover. Provide dealer’s name, address, date of purchase, indicate nature of the defect and, if the product is serialized, indicate the serial number.
  • Page 108 All manuals and user guides at all-guides.com www.i n vacare.com Invacare Corporation Invacare, Storm Seri e s, and Arrow are regi s tered trademarks of U S A Canada One I n vacare Way 5970 Chedworth Way Invacare Corporati o n.

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Storm torque spStorm ranger xStorm arrow

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