Invacare Torque SP, Arrow Replacing Pneumatic Tires, Tubes Drive WHEELS/CASTERS, WHEELS/ Motors

Page 55

WHEELS/ MOTORS

PROCEDURE 12

 

 

This Procedure includes the following:

Replacing Pneumatic Tires/Tubes - Drive Wheels/ Casters

Removing/Installing Drive Wheels Removing/Installing Drive Wheel Hub Installing Wheel Lock Bracket onto Wheelchair Removing/Installing Casters

Replacing Forks Motor Replacement

WARNING

AfterANYadjustments,repairorserviceandBEFORE use, make sure all attaching hardware is tightened securely-otherwiseinjuryordamagemayresult.

CAUTION

2.Remove the four (4) beveled hex nuts that secure the drive wheel assembly to the wheel hub assembly.

3.Removeexistingdrivewheelassemblyfromwheelhub.

Installing

1.Reinstall new/existing drive wheel assembly to the wheel hub assembly and torque the four (4) beveled hex nuts to 160-inch pounds.

2.Repeat procedure for opposite side of wheelchair, if necessary.

3.Reinstall 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.

CONVENTIONAL MOTOR WITH GEARBOX

W H E E L S

/

M O T O R S

As with any vehicle, the wheels and tires should be checked periodically for cracks and wear

Drive Wheel Assembly

Gearbox Drive Shaft

and should be replaced.

REPLACING PNEUMATIC TIRES/

Four (4)

Beveled

Hex Nuts

Keystock

TUBES - DRIVE WHEELS/CASTERS

WARNING

DO NOT use your wheelchair unless it has the proper tire pressure (p.s.i.). DO NOT overinflate the tires.Failuretofollowthesesuggestionsmaycause the tire to explode and cause bodily harm.

If tires are pneumatic, replacement of tire or tube MUST be performed by an authorized Invacare 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.

REMOVING/INSTALLING DRIVE WHEELS (FIGURE 1)

CAUTION

Perform the following procedure in a designated work area to prevent damage to flooring (car- peting, tile, etc.).

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.

 

Wheel Hub

*Washer

Assembly

*Locknut

*NOTE: It is not required to remove the locknut and washer to remove the drive wheel.

GEARLESS/BRUSHLESS MOTOR

Drive Wheel

Assembly

Wheel Hub

Assembly

Four (4) Beveled Hex Nuts

FIGURE 1 - REMOVING/INSTALLING DRIVE WHEELS

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Contents Storm Series Wheelchairs E C I a L T E S 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 Charger Connector Digital VoltmeterAccording 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 Wheel Halves Pneumatic with Flat-FreeTorque to 156 in/lbs Torque to 160 in/lbs Loctite Torque to 156 in/lbs 1020 in/lbsTorque to 360 in/lbs Torque to 156 in/lbs Replacing Armrest Pads Captains VAN Seats Figure Arms ProcedureThis Procedure Includes the Following Replacing Captains VAN Seat Armrest Plate FigureVan Seat Frame Seat Positioning Strap Replacing Seat Positioning Strap Captains VAN Seats FigureReplacing Back Upholstery Figure H O L S T E R YCanes to Top of Spreader Bar Clamp ΥSPREADER BARΥSPREADER BAR Inches ΥHeight of Spreader Bar from Bottom of BackM E Removing REMOVING/INSTALLING Standard Seat Frame Subassembly FigureSeat Frame Procedure Replacing Exact Same Size Standard Seat FrameInch Inch deep Inches Adjustable Seat Frame FigureSeat Frame InchesTorque to A T M EChanging Seat Depth Between 12 and 15- Inches Figure Mounting Screws Torque to 75-inch pounds Changing Seat Width Standard and Adjustable Seat FrameBrackets, note the Back Angle for reinstallation Wheelchair to hold the insert in placeSide Spacers Center Seat WidthCenter Frame Component ReplacementMounting Screws Coved WasherTorque to 75-inch INSTALLING/REMOVING Captains VAN Seat Assembly FigureInstalling Captains Van Seat Removing Captains Van SeatPerform the instructions outlined in Prepara Remove the captains van seatAssembly. Refer toAdjustable Frames Perform one 1 of the following sectionsInstalling REMOVING/INSTALLING Seat PAN FigureRemove the seat cushion from the seat pan Installation Orientation Seat Angle AdjustmentSeat Dump Mount S E M E Base Frame ProcedureReplacing Seat Mounting Plates Figure Replacing Seat Support Brackets FigureReplacing Seat Support Bracket T-NUTS Figure Procedure Base FrameArrow FWD Model Figure Replacing Battery Charger Bracket and T-NUTBattery Charger Connector Mount RWD and MWD Models FigureStop Screw Front Seat Stop Screw REMOVING/INSTALLING Seat Stop Screws FigureMounting Screw Battery Charger Connector Bracket Base Frame Seat Support Bracket Base FrameCJ Bracket mounts Front Holes on Back Angle Detail a Plates REMOVING/INSTALLING CJ Back Brackets FigureBack Frame Procedure C KMine if new back upholstery is needed Procedure Back FrameRemove the back assembly from the wheelchair Heavy Duty ModelsSteps 4,8 Steps 2Steps 6,11 Steps 6,17Back Angle Adjustment Figure T T E Batteries ProcedureGroup 24 Batteries Connecting Battery CablesProcedure 9BATTERIES T T E R I E SDetail a Battery Box BottomRemove battery terminal caps from battery Group 22 Battery Base Frames FigureTerminals ends. Refer to Detail a in Figure Box Single BatteryBottom Tery Cable Rear Jumper Battery FrontCharging Batteries Figure Battery Discharge Indicator BDI in LCD ReadoutBattery Discharge Indicator BDI Description and Use of Battery ChargersRequired 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 Procedure Wiring Harness REMOVING/INSTALLING the E Wiring Harness FigureThis manual 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 FigureReplacing Pneumatic Tires Tubes Drive WHEELS/CASTERSREMOVING/INSTALLING Drive Wheel HUB Figure WHEELS/MOTORS REMOVING/INSTALLING Casters FigureInstalling Casters Replacing Forks FigureLocknut Spacer Motor Connector Coupling AllenWasher Shock Remove 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 ElectronicsBase Frame Spacer Arrow Fwd ModelMounting Screw Shock C L I N E R Positioning Limit Switch FigureSwitch Washers Actuator Overtighten ReclinerDo not Over-Tighten Gas Cylinder Actuator Replacing Recliner Cable Assemblies FigureGas Cylinder Rod Measures 21/32-inches Mounting Screws and WashersReplacing Gas Cylinder REPLACING/ADJUSTING GAS Cylinders FigureAdjusting Gas Cylinder Procedure ReclinerChanging Back Height Changing Seat Width Recliner ProcedureSeat Pan Removal/Replacement Procedures Changing Seat Depth FigureRemove seat pan on recliner Plate Inside Suspension Arm AssemblySpacer Base Frame Seat Mount MWD Wheelchairs Procedure REMOVING/INSTALLING GroupREMOVING/INSTALLING Group 22 Battery BOX Tray Figure Battery BOX SUB-FRAME FigureFrame Rear Locknuts Procedure MWD WheelchairsFront Locknuts Battery Mount Installing Group 24 Components FigureSteps Shock ReplacementBattery Box Group 24 Battery Base Frames FigureInner Link Spacer Suspension Arm Shock Battery Box Sub-Frame Retainer Clip Top of ShockMounting Screw Spring Washer Base Frame Mounting Shock ScrewShock Locknut Shock Spring Replacement FigureBattery Mount Bracket Base Frame Mounting Screw Suspension Arm Spring WasherReplacing Stabilizer Wheels Figure Replacing Stabilizer Fork Assembly FigureShock Spring Base 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-inchSteps 6,10 Tubular End Suspension ArmBracket End Suspension Arm Inner Link Spacer Mounting Screw Age may result REMOVING/INSTALLING Group 22 Battery BOX Tray FigureShock Replacement Anti-Tipper Wheel ReplacementElement Procedure RWD WheelchairsBattery Tray RubberOr Rubber Element Shock Replacement FigureRWD Wheelchairs Procedure Spacer Retainer ClipLocknut Shock Mounting Screw Suspension Arm Spacer TopShock Retainer Bar Shock Mounting Screw Suspension ArmThis manual Shock Eyelet Assembly Retainer Spring Base RWD WheelchairsprocedureBattery BOX or INSTALLING/REMOVING Spacer Clip is against the battery box retainerShock Hex Screw Battery Mount Bracket Rubber Element Replacement FigureBase Frame Mounting Screw 16-18 2-inch 4-inch REMOVING/INSTALLING GearboxAdjusting Weight Distribution Figure Adjustment OptionsMounting Screws Washer Seat Support Bracket Base Frame AssemblyAdjusting Weight Distribution Procedure Repositioning the MOTOR/ Gearbox FigureStandard Position Lengthens the wheel Repositioning the GEARLESS/BRUSHLESS Motor ,14Inch Rearward Lengthens the wheelbase Suspension Arm Mounting Washer Screws Brushless Motor in this procedure of theW ManualBatterybase Frames in Procedure 9 This manual Securely tighten adjustment screwAnti-Tipper Wheel Spacer Locknut ANTI-TIPPER Wheel Replacement FigureInstructions Charger cable to the suspension armWashers Locknuts REMOVING/INSTALLING ANTI-TIP AssemblyAnti-Tip LowerFWD Wheelchairs Procedure REMOVING/INSTALLING Front Shroud FigureREMOVING/INSTALLING Rear Shroud Figure REMOVING/INSTALLING Side Shroud Assembly FigureFWD Wheelchairs REMOVING/INSTALLING Counterweight FigureBottom Shoulder Screw Bottom Slot in Mounting Bracket Replacing Group 24 Battery BOX SUB-FRAME FigureHandle Outside LowerEdgeCounterweight Mounting Bracket Counterweight Bottom Shoulder ScrewProcedure FWD Wheelchairs REMOVING/INSTALLING Shocks FigureAdjusting/Installing TIE ROD Replacement FigureIng tie rods Socket 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 WasherReplacing the Suspension ARM REMOVING/INSTALLING Wiring Harness FigureTie Wrap a ChargerporttothemountingbracketDETAILA.SeCurelyTighten Tie Wrap BMounting Screws Seat Support Brackets Front Adjusting Weight Distribution For New Seat Depth14 to 16 inches Inches 17 to 18 inches 19 to 20 inches Height Footboard ADJUSTMENTS- DEPTH/HEIGHT/ANGLE FigureDepth AngleHub Cap Footrest Angle AdjustmentsFlat Screws Mounting PositionsFront Shroud Footrest FWD Wheelchairs ProcedureRight Horizontal Position Cam105 106 Limtied Warranty Limited Warranty
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