Invacare RWD, MWD Changing Seat Width Standard and Adjustable Seat Frame, Standard Seat Frame

Page 26

PROCEDURE 6

SEAT FRAME

1.Remove the armrests from the wheelchair. Refer to IN- STALLING/REMOVING FLIP BACK ARMRESTS in PROCEDURE 4 of the owner’s manual, 1081227.

2.Cut the tie wraps that secure the back upholstery to the

SCJ back brackets.

E

A3. Pull the bottom of the back upholstery away from the

Trear of the seat pan.

F4. Remove mounting screw, washer and coved washer from the top mounting hole of the CJ back bracket and

R

back cane.

A

MNOTE: Before removing the back canes from the CJ back

Ebrackets, note the BACK ANGLE for reinstallation. NOTE: To avoid losing the insert in each back cane, line up the holes in the insert with the holes in the back cane and start one of the screws through the cane from the inside of the wheelchair to hold the insert in place.

5.Remove the mounting screw, washer and coved washer from the bottom mounting hole of the CJ back bracket and the back cane.

6.Reposition the back cane to the desired seat depth and angle. If changing the back angle as well, refer to BACK ANGLE ADJUSTMENT in PROCEDURE 8 of this manual.

7.Secure bottom of the back upholstery to the seat pan.

8.Secure the bottom of the back upholstery to the CJ back brackets with new tie wraps.

9.Use Loctite 242 and torque the mounting screws to 75-inch pounds.

10.Repeat the STEPS 1-9 for the opposite back cane.

Back Cane

Coved

Washers

CJ Back

Threaded

Bracket

Insert

 

Seat

Frame

Washers

Mounting Screws (Torque to 75-inch pounds)

FIGURE 4 - ADJUSTING SEAT DEPTH - CHANGING

SEAT DEPTH BETWEEN 12 AND 15-INCHES

11.Reinstall the armrests onto the wheelchair. Refer to IN- STALLING/REMOVING FLIP BACK ARMRESTS in PROCEDURE 4 of the owner’s manual, 1081227.

CHANGING SEAT WIDTH (STANDARD AND ADJUSTABLE SEAT FRAME)

Standard Seat Frame

NOTE:Ifchangingseatwidthbelow16-incheswide,youmust convert to an adjustable seat frame. Refer to CONVERT-

ING FROM STANDARD TO ADJUSTABLE SEAT FRAME OR VICE VERSA in this procedure of the manual. For all changes above 16-inches wide, perform the outlined steps.

1.Perform the instructions outlined in PREPARATIONS FORREMOVING/INSTALLINGSEATFRAME(STAN- DARD FRAME, ADJUSTABLE FRAME, AND CAP- TAINS VAN SEAT)in thisprocedure of the manual.

2.Remove the existing standard seat frame subassem- bly and install the NEW standard frame. Refer to RE-

MOVING/INSTALLING STANDARD SEAT FRAME SUBASSEMBLY in this procedure of the manual.

3.FOR 12-15-INCH SEAT DEPTHS ONLY: Remove the CJ back brackets from the existing standard seat frame and install onto the NEW standard seat frame. RefertoREMOVING/INSTALLINGCJBACKBRACK- ETS in PROCEDURE 8 of this manual.

4.Reinstall the components previously removed in STEP 1.PerformtheinstructionsoutlinedinPREPARATIONS FORREMOVING/INSTALLINGSEATFRAME(STAN- DARD FRAME, ADJUSTABLE FRAME, AND CAP- TAINS VAN SEAT)in thisprocedure of the manual.

Adjustable Seat Frame (FIGURE 5)

NOTE: If changing seat width above 16-inches wide, you mustconverttoastandardseatframe.RefertoCONVERT-

ING FROM STANDARD TO ADJUSTABLE SEAT FRAME OR VICE VERSA in this procedure of the manual. For all changes below 16-inches wide, perform the outlined steps.

1.Perform the instructions outlined in PREPARATIONS FORREMOVING/INSTALLINGSEATFRAME(STAN- DARD FRAME, ADJUSTABLE FRAME, AND CAP- TAINS VAN SEAT) inthisprocedureofthemanual.

2.Review the following chart for the allowable seat width and seat depth combinations for the adjustable seat frame.

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Contents Storm Series Wheelchairs R N I N G E C I a L T E STable of Contents Table of Contents Limited Warranty Specification S SpecificationsSpecifications Arrow FWD has a 400 lb. ratingProcedure General Guidelines Repair or Service InformationGeneral Guidelines Procedure MOTOR/GEARBOXSuspension Arm MWD ModelsFWD Models Located on insideBattery Charger Using Hydrometer to Check Battery Cells Lead Acid FigureTroubleshooting Procedure Field Load Test FigureNumber of Floating Balls Will Vary Motor Testing FigureProcedure Troubleshooting According to ChargeCap Motor Pin Motor Connector ELECTRO-MECHANICAL Parking Brake Testing FigureOhmmeter Motor Connector Cap Motor Pin Motor Connector OhmmeterHardware Torque Specifications Standard Seat FrameCaptains VAN Seat Adjustable Seat FrameHardware Torque Specifications Procedure Loctite and Torque to 75 in/lbs Torque to 156 in/lbsPneumatic with Flat-Free Wheel Halves Torque to Inch WheelsWheel Halves Pneumatic Wheel Halves 8 inch Torque to 18 in/lbsInch Wheels Wheel Halves Pneumatic with Flat-FreeTorque to 156 in/lbs Torque to 160 in/lbs Loctite Torque to 156 in/lbs 1020 in/lbsWheel Halves Torque to In/lbs Torque to 360 in/lbs Torque to 156 in/lbsReplacing Armrest Pads Captains VAN Seats Figure Arms ProcedureThis Procedure Includes the Following Replacing Captains VAN Seat Armrest Plate FigureReplacing Seat Positioning Y Strap Captains VAN Seats Replacing Back Upholstery FigureH O L S T E R Y M E Replacing Exact Same Size Standard Seat Frame REMOVING/INSTALLING Standard Seat Frame Subassembly FigureSeat Frame Procedure Mounting ScrewsInches Adjustable Seat Frame FigureSeat Frame Inch Inch deep 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 Seat Width Side Spacers CenterCoved Washer Component ReplacementPounds Center FrameRemoving Captains Van Seat INSTALLING/REMOVING Captains VAN Seat Assembly FigureInstalling Captains Van Seat Torque to Inch poundsAdjustable Frames Captains Van SeatRemove the seat cushion from the seat pan REMOVING/INSTALLING Seat PAN FigureInstalling Locknut Quick Release PinSeat Dump Seat Angle AdjustmentInstallation Orientation Replacing Seat Support Brackets Figure Base Frame ProcedureReplacing Seat Mounting Plates Figure S E M EMounting Screws Washer Seat Support Bracket BaseT-Nut Frame Procedure Base FrameReplacing Seat Support Bracket T-NUTS Figure Channel Cover Seat Support Mounting ScrewRWD and MWD Models Figure Replacing Battery Charger Bracket and T-NUTBattery Charg er Charger Connector Mount Arrow FWD Model FigureReplace the battery charger mount bracket and se REMOVING/INSTALLING Seat Stop Screws FigureMounting Screw Battery Charger Connector Tightensecurely Reverse A, 3B or 3CC K M E REMOVING/INSTALLING CJ Back Brackets FigureBack Frame Procedure CJ Bracket MountsHeavy Duty Models Procedure Back FrameChanging Back Height Figure Mine if new back upholstery is neededSteps 6,17 Steps 2Steps 6,11 Steps 4,8Back Angle Adjustment Figure Wheelchair to hold the insert in placeBatteries Procedure T T E R I E SGroup 24 Batteries Connecting Battery CablesProcedure 9BATTERIES TWO 2 Connector Batteryboxone 1 Connector Batterybox Battery Box BottomRemove battery terminal caps from battery Group 22 Battery Base Frames FigureBattery terminal ends Front Single BatteryBottom Tery Cable Rear Jumper Battery BoxBattery Discharge Indicator BDI When to Charge Batteries FigureBattery Discharge Indicator BDI in LCD Readout Description and Use of Battery ChargersRequired Items Recommended Battery Types INSTALLING/REMOVING Group 24 Battery Boxes FigureIf one 1 battery is defective Cleaning Battery TerminalsINSTALLING/REMOVING Group 22 Battery BOX Figure This manual REMOVING/INSTALLING the E Wiring Harness FigureProcedure Wiring Harness R N E S S Adjusting Limit Switch Figure Recline Angle 4 inches 61oReplacing Retainer Clip Retention STRAP/RETAINERReplacing Retainer Bar Perform one 1 the followingSpacer Retainer ProcedureSpacer Locknuts Mounting Screws Battery Box Sub-Frame Retainer ClipReplacing Pneumatic TIRES/ Tubes Drive WHEELS/CASTERS REMOVING/INSTALLING Drive Wheels FigureDrive Wheel Assembly Wheel Hub Four 4 Beveled Hex Nuts WHEELS/ MotorsRepeat Steps 1-4 for opposite wheel lock bracket WHEELS/MOTORSApply Loctite 242 to the two 2 mounting screws Gearbox SuspensionReplacing Forks Figure REMOVING/INSTALLING Casters FigureInstalling Casters Removing CastersLocknut Spacer Easier access to the motor/controller connectionMotor Connector Coupling Allen Washer ShockRemove motor with motor lock lever from suspen- sion arm REMOVING/INSTALLING Motor GEARLESS/BRUSHLESS Brake Release ShaftElectronics REMOVING/INSTALLING Mkiv Controller FigureRepositioning Mkiv Joystick VAN Seat Models Figure E C T R O N I C SArrow Fwd Model Recliner Positioning Limit Switch FigureSwitch Actuator Overtighten Sensor Washers C L I N E RRod Measures 3-21/32-inches Mounting Screws and Washers Replacing Recliner Cable Assemblies FigureGas Cylinder Do not Over-Tighten Gas Cylinder ActuatorREPLACING/ADJUSTING GAS Cylinders Figure Replacing Gas CylinderChanging Back Height Procedure ReclinerAdjusting Gas Cylinder Changing Seat Depth Figure Recliner ProcedureSeat Pan Removal/Replacement Procedures Changing Seat WidthRemove seat pan on recliner Plate Inside Suspension Arm AssemblyInstallbatteryboxes.Referto INSTALLING/REMOV Spacer Base Frame Seat MountBattery BOX SUB-FRAME Figure REMOVING/INSTALLING GroupBattery BOX Tray Figure MWD Wheelchairs ProcedureInstalling Group 24 Components Figure Procedure MWD WheelchairsFront Locknuts Battery Mount Frame Rear Lockn utsSteps Shock ReplacementGroup 24 Battery Base Frames Figure Install the NEW shock Shock Battery Box Sub-Frame Retainer Clip Top of ShockLarge wheel assembly Secure the top of shock between battery mountFlat Washer Shock Spring Replacement FigureBattery Mount Bracket Base Frame Mounting Screw Suspension Arm Spring WasherShock Spring Base Replacing Stabilizer Fork Assembly FigureReplacing Stabilizer Wheels Figure Replacing Stabilizer Adjusting Weight DistributionMWD Wheelchairsprocedure Cylinder Spring FigureHeight Adjustment Adjusting Stabilizers FigureAdjusting Spring Compression 16-18 x 1-1/4-inch Mounting Screws 16-18 x 2-1/2-inch REMOVING/INSTALLING Gearbox FigureReplacing Suspension ARM Figure Motor Gearbox Suspension ArmSteps 6,10 Entation. Bracket End of Suspension ArmTubular End Suspension Arm Bracket End Suspension Arm Inner Link SpacerAnti-Tipper Wheel Replacement Removing/Installing Group 22 Battery Box TrayShock Replacement Sub-FrameILocknutsBolts Rubber Procedure RWD WheelchairsBattery Tray ElementMounting Wiring Harness Shock Replacement FigureRWD Wheelchairs Procedure Screws BracketShock Mounting Screw Suspension Arm Spacer TopShock Retainer Bar Locknut Shock Mounting Screw Suspension ArmRWD Wheelchairsprocedure Group 24 Batteries only Apply LoctiteTorque and Storm X wheelchairs Rubber Element Replacement FigureShock Hex Screw Battery Mount Bracket Base Frame Mounting ScrewAdjustment Options REMOVING/INSTALLING GearboxAdjusting Weight Distribution Figure 16-18 2-inch 4-inchMounting Screws Washer Seat Support Bracket Base Frame Adjusting Weight Distribution ProcedureRepositioning the MOTOR/ Gearbox Figure Move gearbox to the position determine in StepRepositioning the GEARLESS/BRUSHLESS Motor ,14 Standard Position Lengthens the wheelSuspension Arm Mounting Washer Screws ANTI-TIPPER Wheel Replacement Figure Install the new suspension arm onto the base frameLower REMOVING/INSTALLING ANTI-TIP AssemblyAnti-Tip Washers LocknutsREMOVING/INSTALLING Side Shroud Assembly Figure REMOVING/INSTALLING Front Shroud FigureREMOVING/INSTALLING Rear Shroud Figure FWD Wheelchairs ProcedureMounting Screw Washer Side Shroud Bracket Suspension Arm REMOVING/INSTALLING Counterweight FigureProcedure FWD Wheelchairs Mounting Bracket Counterweight Bottom Shoulder Screw Replacing Group 24 Battery BOX SUB-FRAME FigureHandle Outside Lower EdgeCounterweight Bottom Shoulder Screw Bottom Slot in Mounting BracketMounting Bracket Only Screw One 1 Shown REMOVING/INSTALLING Shocks FigureBracket Mounting Screw For ClarityTIE ROD Replacement Figure Locknut Arm Small Washer Large Mounting Screw Suspension Arm Complete revolution on the TOP TWO 2 tie rodsRemove the Existing sensor cable assembly Sensor Cable Assembly Replacement FigureBattery wiring harness Detail C Socket Suspension Screw ArmSHORT Motor GearboxTie Wrap C Battery Box Sub Frame Sensor Washer Left Motor SensorReinstall the battery boxes. Refer to Installing REMOVING/INSTALLING Wiring Harness Figure Replacing the Suspension ARMTie Wrap a Procedure FWD WheelchairsTie Wrap B Adjusting Weight Distribution For New Seat Depth 14 to 16 inches Inches 17 to 18 inches 19 to 20 inchesAngle Footboard ADJUSTMENTS- DEPTH/HEIGHT/ANGLE FigureDepth HeightFootrest Angle Adjustments Horizontal Position Cam FWD Wheelchairs ProcedureRight Front Shroud Footrest105 106 Limited Warranty Limtied 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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