Invacare RWD, MWD, Arrow FWD service manual Remove motor with motor lock lever from suspen- sion arm

Page 59

WHEELS/MOTORS

PROCEDURE 12

REMOVING/INSTALLING THE MOTOR (GEARLESS/BRUSHLESS MOTOR) (FIGURE 6)

Removing

1.Remove the battery box(es). Refer to INSTALLING/ REMOVING GROUP 24 BATTERY BOXES or IN-

STALLING/REMOVING GROUP 22 BATTERY BOXES in PROCEDURE 9 of this manual.

2.Unthread the mounting screws that secure the wiring harness connector to the motor (DETAIL “A”).

3.Unplug the wiring harness connector from the motor.

4.If necessary, remove the group 22 battery box tray. Refer to REMOVING/INSTALLING GROUP 22 BAT- TERY BOX TRAY in PROCEDURE 16 of this manual.

5.Remove the drive wheel from the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in this procedure of the manual.

6.Note the mounting position of the motor on the sus- pension arm before removing the motor.

7.Loosen adjustment screw that secures the motor lock lever in place on the brake release shaft.

NOTE: Alignment pin is located inside of bushing guide on the suspension arm.

8.Remove the mounting screw and washer that se- cure the alignment pin in place.

9.Slide the alignment pin back out of the end of the motor lock lever.

10.Remove the four (4) mounting screws and washers that secure the motor to the suspension arm.

11.Remove motor with motor lock lever from suspen- sion arm.

12.If replacing motor, remove the motor lock lever from the brake release shaft of the existing motor.

Installing

NOTE: Do not tighten adjustment screw of motor lock le- ver until motor is secured in place on the suspension arm.

1.If necessary, install motor lock lever onto new brake release shaft of motor.

2.Position the new/existing motor with motor lock lever onto the suspension arm in the mounting position notedfromSTEP4of REMOVINGTHEGEARLESS/ BRUSHLESS MOTOR in this procedure of the manual.

3.Secure motor to the suspension arm with existing four (4) mounting screws. Torque to 13 foot/pounds.

4.Slide the motor lock lever along brake release shaft until the end is flush with the bushing guide.

5.Slide alignment pin, located inside of bushing guide, into the end of the motor lock lever and secure in place with existing mounting screw and washer. Se- curely tighten.

6.Secure motor lock lever in place on the brake re- lease shaft with existing mounting screw.

7.Install the drive wheel from the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in this procedure of the manual.

8.If necessary, install the group 22 battery box tray. Re- fer to REMOVING/INSTALLING GROUP 22 BAT- TERY BOX TRAY in PROCEDURE 16 of this manual.

9.Plug the wiring harness connector into the motor.

10.Secure the wiring harness connector to the motor with the existing two (2) mounting screws.

11.Remove the battery box(es). Refer to INSTALLING/ REMOVING GROUP 24 BATTERY BOXES or IN-

STALLING/REMOVING GROUP 22 BATTERY BOXES in PROCEDURE 9 of this manual.

W H E E L S

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M O T O R S

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Page 58 Page 60
Contents Storm Series Wheelchairs E C I a L T E S R N I N GTable of Contents Table of Contents Limited Warranty Specifications Specification SArrow FWD has a 400 lb. rating SpecificationsRepair or Service Information Procedure General GuidelinesMOTOR/GEARBOX General Guidelines ProcedureLocated on inside MWD ModelsFWD Models Suspension ArmField Load Test Figure Using Hydrometer to Check Battery Cells Lead Acid FigureTroubleshooting Procedure Battery ChargerAccording to Charge Motor Testing FigureProcedure Troubleshooting Number of Floating Balls Will VaryCap Motor Pin Motor Connector Ohmmeter ELECTRO-MECHANICAL Parking Brake Testing FigureOhmmeter Motor Connector Cap Motor Pin Motor ConnectorStandard Seat Frame Hardware Torque SpecificationsLoctite and Torque to 75 in/lbs Torque to 156 in/lbs Adjustable Seat FrameHardware Torque Specifications Procedure Captains VAN SeatPneumatic Wheel Halves 8 inch Torque to 18 in/lbs Inch WheelsWheel Halves Pneumatic with Flat-Free Wheel Halves Torque toPneumatic with Flat-Free Inch Wheels Wheel HalvesTorque to 360 in/lbs Torque to 156 in/lbs Torque to 156 in/lbs 1020 in/lbsWheel Halves Torque to In/lbs Torque to 156 in/lbs Torque to 160 in/lbs LoctiteReplacing Captains VAN Seat Armrest Plate Figure Arms ProcedureThis Procedure Includes the Following Replacing Armrest Pads Captains VAN Seats FigureReplacing Back Upholstery Figure Replacing Seat Positioning Y Strap Captains VAN SeatsH O L S T E R Y M E Mounting Screws REMOVING/INSTALLING Standard Seat Frame Subassembly FigureSeat Frame Procedure Replacing Exact Same Size Standard Seat FrameInch Inch deep Inches Adjustable Seat Frame FigureSeat Frame InchesChanging Seat Depth Between 12 and 15- Inches Figure A T M ETorque to Standard Seat Frame Changing Seat Width Standard and Adjustable Seat FrameMounting Screws Torque to 75-inch pounds Side Spacers Center Seat WidthCenter Frame Component ReplacementPounds Coved WasherTorque to Inch pounds INSTALLING/REMOVING Captains VAN Seat Assembly FigureInstalling Captains Van Seat Removing Captains Van SeatCaptains Van Seat Adjustable FramesLocknut Quick Release Pin REMOVING/INSTALLING Seat PAN FigureInstalling Remove the seat cushion from the seat panSeat Dump Seat Angle AdjustmentInstallation Orientation S E M E Base Frame ProcedureReplacing Seat Mounting Plates Figure Replacing Seat Support Brackets FigureChannel Cover Seat Support Mounting Screw Procedure Base FrameReplacing Seat Support Bracket T-NUTS Figure Mounting Screws Washer Seat Support Bracket BaseT-Nut FrameArrow FWD Model Figure Replacing Battery Charger Bracket and T-NUTBattery Charg er Charger Connector Mount RWD and MWD Models FigureTightensecurely Reverse A, 3B or 3C REMOVING/INSTALLING Seat Stop Screws FigureMounting Screw Battery Charger Connector Replace the battery charger mount bracket and seCJ Bracket Mounts REMOVING/INSTALLING CJ Back Brackets FigureBack Frame Procedure C K M EMine if new back upholstery is needed Procedure Back FrameChanging Back Height Figure Heavy Duty ModelsSteps 4,8 Steps 2Steps 6,11 Steps 6,17Wheelchair to hold the insert in place Back Angle Adjustment FigureT T E R I E S Batteries ProcedureGroup 24 Batteries Connecting Battery CablesProcedure 9BATTERIES Battery Box Bottom TWO 2 Connector Batteryboxone 1 Connector BatteryboxRemove battery terminal caps from battery Group 22 Battery Base Frames FigureBattery terminal ends Box Single BatteryBottom Tery Cable Rear Jumper Battery FrontDescription and Use of Battery Chargers When to Charge Batteries FigureBattery Discharge Indicator BDI in LCD Readout Battery Discharge Indicator BDIRequired Items Cleaning Battery Terminals INSTALLING/REMOVING Group 24 Battery Boxes FigureIf one 1 battery is defective Recommended Battery TypesINSTALLING/REMOVING Group 22 Battery BOX Figure This manual REMOVING/INSTALLING the E Wiring Harness FigureProcedure Wiring Harness R N E S S Recline Angle 4 inches 61o Adjusting Limit Switch FigurePerform one 1 the following Retention STRAP/RETAINERReplacing Retainer Bar Replacing Retainer ClipRetainer Clip ProcedureSpacer Locknuts Mounting Screws Battery Box Sub-Frame Spacer RetainerWHEELS/ Motors REMOVING/INSTALLING Drive Wheels FigureDrive Wheel Assembly Wheel Hub Four 4 Beveled Hex Nuts Replacing Pneumatic TIRES/ Tubes Drive WHEELS/CASTERSGearbox Suspension WHEELS/MOTORSApply Loctite 242 to the two 2 mounting screws Repeat Steps 1-4 for opposite wheel lock bracketRemoving Casters REMOVING/INSTALLING Casters FigureInstalling Casters Replacing Forks FigureWasher Shock Easier access to the motor/controller connectionMotor Connector Coupling Allen Locknut SpacerRemove motor with motor lock lever from suspen- sion arm Brake Release Shaft REMOVING/INSTALLING Motor GEARLESS/BRUSHLESSE C T R O N I C S REMOVING/INSTALLING Mkiv Controller FigureRepositioning Mkiv Joystick VAN Seat Models Figure ElectronicsArrow Fwd Model C L I N E R Positioning Limit Switch FigureSwitch Actuator Overtighten Sensor Washers ReclinerDo not Over-Tighten Gas Cylinder Actuator Replacing Recliner Cable Assemblies FigureGas Cylinder Rod Measures 3-21/32-inches Mounting Screws and WashersReplacing Gas Cylinder REPLACING/ADJUSTING GAS Cylinders FigureChanging Back Height Procedure ReclinerAdjusting Gas Cylinder Changing Seat Width Recliner ProcedureSeat Pan Removal/Replacement Procedures Changing Seat Depth FigureSpacer Base Frame Seat Mount Plate Inside Suspension Arm AssemblyInstallbatteryboxes.Referto INSTALLING/REMOV Remove seat pan on reclinerMWD Wheelchairs Procedure REMOVING/INSTALLING GroupBattery BOX Tray Figure Battery BOX SUB-FRAME FigureFrame Rear Lockn uts Procedure MWD WheelchairsFront Locknuts Battery Mount Installing Group 24 Components FigureSteps Shock ReplacementGroup 24 Battery Base Frames Figure Secure the top of shock between battery mount Shock Battery Box Sub-Frame Retainer Clip Top of ShockLarge wheel assembly Install the NEW shockMounting Screw Suspension Arm Spring Washer Shock Spring Replacement FigureBattery Mount Bracket Base Frame Flat WasherShock Spring Base Replacing Stabilizer Fork Assembly FigureReplacing Stabilizer Wheels Figure Cylinder Spring Figure Adjusting Weight DistributionMWD Wheelchairsprocedure Replacing StabilizerHeight Adjustment Adjusting Stabilizers FigureAdjusting Spring Compression Motor Gearbox Suspension Arm REMOVING/INSTALLING Gearbox FigureReplacing Suspension ARM Figure 16-18 x 1-1/4-inch Mounting Screws 16-18 x 2-1/2-inchBracket End Suspension Arm Inner Link Spacer Entation. Bracket End of Suspension ArmTubular End Suspension Arm Steps 6,10Sub-Frame Removing/Installing Group 22 Battery Box TrayShock Replacement Anti-Tipper Wheel ReplacementElement Procedure RWD WheelchairsBattery Tray ILocknutsBolts RubberScrews Bracket Shock Replacement FigureRWD Wheelchairs Procedure Mounting Wiring HarnessLocknut Shock Mounting Screw Suspension Arm Spacer TopShock Retainer Bar Shock Mounting Screw Suspension ArmGroup 24 Batteries only Apply Loctite RWD WheelchairsprocedureBase Frame Mounting Screw Rubber Element Replacement FigureShock Hex Screw Battery Mount Bracket Torque and Storm X wheelchairs16-18 2-inch 4-inch REMOVING/INSTALLING GearboxAdjusting Weight Distribution Figure Adjustment OptionsMove gearbox to the position determine in Step Adjusting Weight Distribution ProcedureRepositioning the MOTOR/ Gearbox Figure Mounting Screws Washer Seat Support Bracket Base FrameStandard Position Lengthens the wheel Repositioning the GEARLESS/BRUSHLESS Motor ,14Suspension Arm Mounting Washer Screws Install the new suspension arm onto the base frame ANTI-TIPPER Wheel Replacement FigureWashers Locknuts REMOVING/INSTALLING ANTI-TIP AssemblyAnti-Tip LowerFWD Wheelchairs Procedure REMOVING/INSTALLING Front Shroud FigureREMOVING/INSTALLING Rear Shroud Figure REMOVING/INSTALLING Side Shroud Assembly FigureMounting Screw Washer Side Shroud Bracket Suspension Arm REMOVING/INSTALLING Counterweight FigureProcedure FWD Wheelchairs Bottom Shoulder Screw Bottom Slot in Mounting Bracket Replacing Group 24 Battery BOX SUB-FRAME FigureHandle Outside Lower EdgeCounterweight Mounting Bracket Counterweight Bottom Shoulder ScrewFor Clarity REMOVING/INSTALLING Shocks FigureBracket Mounting Screw Mounting Bracket Only Screw One 1 ShownTIE ROD Replacement Figure Complete revolution on the TOP TWO 2 tie rods Locknut Arm Small Washer Large Mounting Screw Suspension ArmSocket Suspension Screw ArmSHORT Motor Gearbox Sensor Cable Assembly Replacement FigureBattery wiring harness Detail C Remove the Existing sensor cable assemblyTie Wrap C Battery Box Sub Frame Sensor Washer Left Motor SensorReinstall the battery boxes. Refer to Installing Replacing the Suspension ARM REMOVING/INSTALLING Wiring Harness FigureTie Wrap a Procedure FWD WheelchairsTie Wrap B 14 to 16 inches Inches 17 to 18 inches 19 to 20 inches Adjusting Weight Distribution For New Seat DepthHeight Footboard ADJUSTMENTS- DEPTH/HEIGHT/ANGLE FigureDepth AngleFootrest Angle Adjustments Front Shroud Footrest FWD Wheelchairs ProcedureRight Horizontal Position Cam105 106 Limtied Warranty Limited WarrantyOne InvacareWay ChedworthWay
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Arrow FWD, RWD, MWD specifications

Invacare is a renowned name in the field of mobility technologies, consistently innovating and enhancing the mobility devices market. Among its outstanding offerings are the Invacare MWD (Mid Wheel Drive), RWD (Rear Wheel Drive), and Arrow FWD (Front Wheel Drive) wheelchairs. Each of these models serves unique user needs, featuring distinct designs and functionalities.

The Invacare MWD is engineered for exceptional maneuverability. Its mid-wheel drive technology provides a centralized drive wheel, allowing for tight turns and easy navigation in confined spaces. This makes the MWD particularly suitable for indoor use, where space can be limited. The MWD also features advanced suspension systems, offering superior shock absorption. This results in a smoother ride over various terrains, enhancing user comfort and stability.

On the other hand, the Invacare RWD focuses on robust outdoor performance. With its rear-wheel drive configuration, this model has excellent traction and provides powerful acceleration. The RWD is designed for versatility, equipped with larger wheels that can handle uneven terrain while providing a stable ride. Its durable construction ensures enhanced longevity, making it an ideal choice for users who lead an active lifestyle and require reliable mobility solutions on rugged ground.

The Arrow FWD wheelchair brings another dimension with its front-wheel drive system. This design allows users to easily navigate obstacles as the front wheels can pivot over them. The Arrow FWD is particularly suited for both indoor and outdoor use, as it combines the agility of the MWD with the stability seen in the RWD. It features a compact design, making it easier for users to position themselves in various settings and social situations.

All three models utilize Invacare's cutting-edge technologies, such as advanced control systems and customizable seating options, enabling users to find their optimal comfort and support levels. The customizable features also cater to individual user needs, promoting enhanced independence.

In summary, Invacare’s MWD, RWD, and Arrow FWD wheelchairs represent an impressive blend of functionality, durability, and user-centric design. Each model presents its own unique technologies and attributes, allowing users to make informed choices based on their specific mobility requirements, lifestyle, and preferences. Whether navigating tight indoor spaces or tackling outdoor challenges, Invacare’s range of wheelchairs ensures that users can experience mobility with confidence and ease.
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