Invacare RWD, MWD, Arrow FWD service manual Adjusting Weight Distribution For New Seat Depth

Page 101

FWD WHEELCHAIRS

PROCEDURE 17

ADJUSTING WEIGHT DISTRIBUTION (FIGURE 13)

NOTE:Depending on the seat depth ordered, theposition oftheseatsupportbracketsisfactoryset between 2.25 and 6 inches (measured from the front of the base frame to the frontoftheseatsupportbrackets).Thiswillputapproximately 65% of the total weight of the chair and user over the drive wheels(large wheels), allowing for the best performance of the chair.

In order to achieve maximum comfort and maneuverability for the end user, it may be necessary to adjust the seat support brackets slightly forward or backward. It is recom- mended that the seat support brackets be set as close to

2.25- 6 inch mark (depending on seat depth) as possible, while allowing maximum comfort and maneuverability to the end user.

Adjusting Weight Distribution For New Seat Depth

NOTE: When changing the seat depth of the chair, it is necessary to adjust the seat support brackets in order to achieve optimum weight distribution (65%). Perform the following procedure to adjust the seat brackets:

1.Refer to the following chart to determine the correct position of the two (2) seat support brackets to achieve optimum weight distribution (65%).

Seat

Position Of The Seat Support

Depth

Brackets (Inches) To Achieve

(Inches)

Optimum Weight Distribution (65%)

 

 

14 to 16 inches

2.25-inches

 

 

17 to 18 inches

4.25-inches

 

 

19 to 20 inches

6-inches

 

 

2.Loosen the four (4) mounting screws that secure the two (2) seat support brackets to the base frame.

3.Adjust the two (2) seat support brackets forward or backward until the position determined in STEP 1 is achieved.

NOTE: When the front of the seat aligns with the controller, approximately65%ofthetotalweightofthechairanduseris overthedrive wheels (largewheels).

4.Adjust the two (2) seat brackets slightly forward or backward, until maximum comfort and maneuver- ability for the end user is acheived.

5.Retighten the four (4) mounting screws securing the two (2) seat support brackets to the base frame.

Mounting Screws

Seat Support

Brackets

Front Of

Base

Frame

2.25Inches (For a seat depth of 14 to

16 inches)

NOTE: Seat/seat frame not shown for clarity.

FIGURE 13 - ADJUSTING WEIGHT

DISTRIBUTION

INSTALLING 90o FOOTBOARD (FIGURE 14)

WARNING

DO NOT remove detent pin from footrest assembly. Otherwise, injury may result.

1.Remove the existing footrests. Refer to FRONT RIG- GINGS in PROCEDURE 3 of the Owner’s manual, part number 1081227.

2.Remove the telescoping front rigging supports. Refer to ADJUSTING/REPLACING TELESCOPING FRONT RIGGING SUPPORT in PROCEDURE 3 of the Owner’s Manual, part number 1081227.

3.Remove existing front and rear shrouds. Refer to RE- MOVING/INSTALLING THE REAR SHROUD and REMOVING/INSTALLINGTHEFRONTSHROUDin this procedure of the Manual.

4.Remove the seat. Refer to REMOVING/INSTALLING THESEATFRAMEinPROCEDURE6ofthisManual.

5.Positionthe90o footboardonthebaseframeasshown in FIGURE 14.

6.Loosely install one (1) mounting screw into the back of the footboard and into the base frame.

7.Loosely install two (2) mounting screws and washers throughthetopofthefootboardandintothebaseframe.

8.Torque all three (3) mounting screw between 15 and 19-foot pounds.

F

W D

W H E E L C H A I R S

101

Page 100 Page 102
Image 101
Page 100 Page 102
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 ProcedureFWD Models MWD ModelsSuspension Arm Located on insideTroubleshooting Procedure Using Hydrometer to Check Battery Cells Lead Acid FigureBattery Charger Field Load Test FigureProcedure Troubleshooting Motor Testing FigureNumber of Floating Balls Will Vary According to ChargeOhmmeter Motor Connector ELECTRO-MECHANICAL Parking Brake Testing FigureCap Motor Pin Motor Connector Cap Motor Pin Motor Connector OhmmeterStandard Seat Frame Hardware Torque SpecificationsHardware Torque Specifications Procedure Adjustable Seat FrameCaptains VAN Seat Loctite and Torque to 75 in/lbs Torque to 156 in/lbsWheel Halves Inch WheelsPneumatic with Flat-Free Wheel Halves Torque to Pneumatic Wheel Halves 8 inch Torque to 18 in/lbsPneumatic with Flat-Free Inch Wheels Wheel HalvesWheel Halves Torque to In/lbs Torque to 156 in/lbs 1020 in/lbsTorque to 156 in/lbs Torque to 160 in/lbs Loctite Torque to 360 in/lbs Torque to 156 in/lbsThis Procedure Includes the Following Arms ProcedureReplacing Armrest Pads Captains VAN Seats Figure Replacing Captains VAN Seat Armrest Plate FigureReplacing Back Upholstery Figure Replacing Seat Positioning Y Strap Captains VAN SeatsH O L S T E R Y M E Seat Frame Procedure REMOVING/INSTALLING Standard Seat Frame Subassembly FigureReplacing Exact Same Size Standard Seat Frame Mounting ScrewsSeat Frame Adjustable Seat Frame FigureInches 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 Side Spacers Center Seat WidthPounds Component ReplacementCoved Washer Center FrameInstalling Captains Van Seat INSTALLING/REMOVING Captains VAN Seat Assembly FigureRemoving Captains Van Seat Torque to Inch poundsCaptains Van Seat Adjustable FramesInstalling REMOVING/INSTALLING Seat PAN FigureRemove the seat cushion from the seat pan Locknut Quick Release PinSeat Dump Seat Angle AdjustmentInstallation Orientation Replacing Seat Mounting Plates Figure Base Frame ProcedureReplacing Seat Support Brackets Figure S E M EReplacing Seat Support Bracket T-NUTS Figure Procedure Base FrameMounting Screws Washer Seat Support Bracket BaseT-Nut Frame Channel Cover Seat Support Mounting ScrewBattery Charg er Charger Connector Mount Replacing Battery Charger Bracket and T-NUTRWD and MWD Models Figure Arrow FWD Model FigureMounting Screw Battery Charger Connector REMOVING/INSTALLING Seat Stop Screws FigureReplace the battery charger mount bracket and se Tightensecurely Reverse A, 3B or 3CBack Frame Procedure REMOVING/INSTALLING CJ Back Brackets FigureC K M E CJ Bracket MountsChanging Back Height Figure Procedure Back FrameHeavy Duty Models Mine if new back upholstery is neededSteps 6,11 Steps 2Steps 6,17 Steps 4,8Wheelchair 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 Bottom Tery Cable Rear Jumper Battery Single BatteryFront BoxBattery Discharge Indicator BDI in LCD Readout When to Charge Batteries FigureBattery Discharge Indicator BDI Description and Use of Battery ChargersRequired Items If one 1 battery is defective INSTALLING/REMOVING Group 24 Battery Boxes FigureRecommended Battery Types 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 Recline Angle 4 inches 61o Adjusting Limit Switch FigureReplacing Retainer Bar Retention STRAP/RETAINERReplacing Retainer Clip Perform one 1 the followingSpacer Locknuts Mounting Screws Battery Box Sub-Frame ProcedureSpacer Retainer Retainer ClipDrive Wheel Assembly Wheel Hub Four 4 Beveled Hex Nuts REMOVING/INSTALLING Drive Wheels FigureReplacing Pneumatic TIRES/ Tubes Drive WHEELS/CASTERS WHEELS/ MotorsApply Loctite 242 to the two 2 mounting screws WHEELS/MOTORSRepeat Steps 1-4 for opposite wheel lock bracket Gearbox SuspensionInstalling Casters REMOVING/INSTALLING Casters FigureReplacing Forks Figure Removing CastersMotor Connector Coupling Allen Easier access to the motor/controller connectionLocknut Spacer Washer ShockRemove motor with motor lock lever from suspen- sion arm Brake Release Shaft REMOVING/INSTALLING Motor GEARLESS/BRUSHLESSRepositioning Mkiv Joystick VAN Seat Models Figure REMOVING/INSTALLING Mkiv Controller FigureElectronics E C T R O N I C SArrow Fwd Model Switch Actuator Overtighten Sensor Washers Positioning Limit Switch FigureRecliner C L I N E RGas Cylinder Replacing Recliner Cable Assemblies FigureRod Measures 3-21/32-inches Mounting Screws and Washers Do not Over-Tighten Gas Cylinder ActuatorReplacing Gas Cylinder REPLACING/ADJUSTING GAS Cylinders FigureChanging Back Height Procedure ReclinerAdjusting Gas Cylinder Seat Pan Removal/Replacement Procedures Recliner ProcedureChanging Seat Depth Figure Changing Seat WidthInstallbatteryboxes.Referto INSTALLING/REMOV Plate Inside Suspension Arm AssemblyRemove seat pan on recliner Spacer Base Frame Seat MountBattery BOX Tray Figure REMOVING/INSTALLING GroupBattery BOX SUB-FRAME Figure MWD Wheelchairs ProcedureFront Locknuts Battery Mount Procedure MWD WheelchairsInstalling Group 24 Components Figure Frame Rear Lockn utsSteps Shock ReplacementGroup 24 Battery Base Frames Figure Large wheel assembly Shock Battery Box Sub-Frame Retainer Clip Top of ShockInstall the NEW shock Secure the top of shock between battery mountBattery Mount Bracket Base Frame Shock Spring Replacement FigureFlat Washer Mounting Screw Suspension Arm Spring WasherShock Spring Base Replacing Stabilizer Fork Assembly FigureReplacing Stabilizer Wheels Figure MWD Wheelchairsprocedure Adjusting Weight DistributionReplacing Stabilizer Cylinder Spring FigureHeight Adjustment Adjusting Stabilizers FigureAdjusting Spring Compression Replacing Suspension ARM Figure REMOVING/INSTALLING Gearbox Figure16-18 x 1-1/4-inch Mounting Screws 16-18 x 2-1/2-inch Motor Gearbox Suspension ArmTubular End Suspension Arm Entation. Bracket End of Suspension ArmSteps 6,10 Bracket End Suspension Arm Inner Link SpacerShock Replacement Removing/Installing Group 22 Battery Box TrayAnti-Tipper Wheel Replacement Sub-FrameBattery Tray Procedure RWD WheelchairsILocknutsBolts Rubber ElementRWD Wheelchairs Procedure Shock Replacement FigureMounting Wiring Harness Screws BracketShock Retainer Bar Spacer TopShock Mounting Screw Suspension Arm Locknut Shock Mounting Screw Suspension ArmGroup 24 Batteries only Apply Loctite RWD WheelchairsprocedureShock Hex Screw Battery Mount Bracket Rubber Element Replacement FigureTorque and Storm X wheelchairs Base Frame Mounting ScrewAdjusting Weight Distribution Figure REMOVING/INSTALLING GearboxAdjustment Options 16-18 2-inch 4-inchRepositioning the MOTOR/ Gearbox Figure Adjusting Weight Distribution ProcedureMounting Screws Washer Seat Support Bracket Base Frame Move gearbox to the position determine in StepStandard 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 FigureAnti-Tip REMOVING/INSTALLING ANTI-TIP AssemblyLower Washers LocknutsREMOVING/INSTALLING Rear Shroud Figure REMOVING/INSTALLING Front Shroud FigureREMOVING/INSTALLING Side Shroud Assembly Figure FWD Wheelchairs ProcedureMounting Screw Washer Side Shroud Bracket Suspension Arm REMOVING/INSTALLING Counterweight FigureProcedure FWD Wheelchairs Handle Outside Lower EdgeCounterweight Replacing Group 24 Battery BOX SUB-FRAME FigureMounting Bracket Counterweight Bottom Shoulder Screw Bottom Shoulder Screw Bottom Slot in Mounting BracketBracket Mounting Screw REMOVING/INSTALLING Shocks FigureMounting Bracket Only Screw One 1 Shown For ClarityTIE ROD Replacement Figure Complete revolution on the TOP TWO 2 tie rods Locknut Arm Small Washer Large Mounting Screw Suspension ArmBattery wiring harness Detail C Sensor Cable Assembly Replacement FigureRemove the Existing sensor cable assembly Socket Suspension Screw ArmSHORT Motor GearboxTie 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 DepthDepth Footboard ADJUSTMENTS- DEPTH/HEIGHT/ANGLE FigureAngle HeightFootrest Angle Adjustments Right FWD Wheelchairs ProcedureHorizontal Position Cam Front Shroud Footrest105 106 Limtied Warranty Limited WarrantyOne InvacareWay ChedworthWay
Related manuals
Manual 150 pages 42.82 Kb

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.
Top Page Image Contents