Invacare M71 service manual Seat Assembly

Page 47

SECTION 4—SEAT ASSEMBLY

Removing

1.Remove flip back armrest from the wheelchair. Refer to Arm Service Procedures for ASBA or Adjustable ASBA Seat on page 58.

NOTE: Note the back angle before disassembly for proper reinstallation.

2.On the side of wheelchair with armrest removed, remove one of the mounting screws, washer, coved washer and locknut that secures the back cane to the seat frame.

3.Cut the tie-wraps that secure the bottom of the existing back upholstery to the seat frame.

4.Thread the mounting screw removed in STEP 2 through the back cane from the inside of the wheelchair to hold the insert in place.

5.Remove the remaining mounting screw, washer, coved washer and locknut that secures the back cane to the seat frame.

6.Repeat STEPS 1-4 for the opposite side of the wheelchair and remove back assembly from wheelchair.

7.Remove the two mounting screws and washers that secure the existing back upholstery to the back canes.

8.If present, release hook and loop strap securing the back upholstery to the back canes.

9.Remove the two mounting screws used to keep inserts in the back canes in STEP 3. Set mounting screws and inserts aside.

10.Loosen, but DO NOT remove, the two mounting screws and locknuts securing the spreader bar to the back canes.

11.Grasp the hand grip and slide the back cane out of the spreader bar (if applicable) and the back upholstery.

Installing

NOTE: If replacing back upholstery, discard existing back upholstery and perform this procedure using new back upholstery.

NOTE: If replacing back canes, discard existing back canes and perform this procedure using new back canes.

NOTE: Spreader bar is required on ALL back heights between 20-24-inches. Spreader bar is required on back heights 16, 17, 18, or 19 ONLY if the width or depth of the chair exceeds 19 inches. Refer to FIGURE 4.15 for proper spreader bar location on back canes.

1.Slide one back cane into back upholstery and through spreader bar (if applicable).

2.Position insert into bottom of back cane.

3.From inside of wheelchair, thread a mounting screw through the back cane to hold the insert in position when installing the back assembly.

4.Repeat STEPS 1-3 for remaining back cane.

NOTE: If changing the back angle, refer to Adjusting the Back Angle on page 50 to determine the proper mounting holes for the desired back angle.

Part No 1118377

47

Pronto® M71™

Image 47
Contents Pronto M71 Document Part Number Reference DocumentsReference Documents Table of Contents Removing/Installing the Adjustable Height Tubes Seat AssemblyWheels ArmsMotors Front RIGGINGS/FOOTBOARDSHROUDS/FRAME DISASSEMBLING/ASSEMBLING the M71 Limited WarrantyBATTERIES/CHARGER Controller and JoystickSeat Positioning Strap Signal Word MeaningSpecial Notes Trro and Trbkts Warnings Label Locations Wiring Label on M71 Standard with Battery CoversOne of these battery wiring Labels is in this location M71 with PTO+ Labels Inch VAN Asba Typical Product ParametersTypical Product Parameters Operation Information Repair or Service InformationGeneral Guidelines Grounding Instructions Tire PressureElectrical BatteriesEMI Information EMI InformationEMI Information Inspect/Adjust Safety INSPECTION/ TroubleshootingSafety Inspection Checklists Display Description Definition TroubleshootingTroubleshooting Electrical SUB Code Diagnostics CodePossible Solution E05 Solutions SymptomJS REV TOO Large Wheels Troubleshooting CommonTroubleshooting Motor/Gearbox/Brake Symptom Probable Cause SolutionsTion. Replace motor or gearbox if contamination Troubleshooting Battery Charger Troubleshooting BatteryDON’T Checking Battery Charge LevelField Load Test Battery Quality Motor TestingRemoving Seat Seat AssemblyRemoving/Installing the Seat Assembly Installing SeatRemoving/Installing the Seat Assembly Adjusting the Seat HeightVAN Seat with Hemi Front Rigging or Footboard Wheelchair Equipped with Available Mounting Holes forVAN Seat with NON-HEMI Front Rigging Asba Seat with Footboard Or Front Riggings NON-HEMI or Hemi Removing/Installing the Adjustable Height TubesRemoving/Installing the Adjustable Height Tubes Seat Width Adjustable Asba Seat Service ProceduresRemoving/Installing the Seat Pan Adjusting the Seat WidthFrame Size Seat Depth Range Adjusting the Seat DepthSeat Depth DISTANCE* in Inches Adjusting the Seat Depth Removing/Installing Side RailsRemoving/Installing Side Rails Replacing the Seat Frame Replacing the Seat FrameRemoving/Installing the Back Canes Replacing Seat Positioning Strap Removing/Installing the Back Canes11 Adjusting the Back Angle Adjusting the Back Angle12 Removing/Installing the Seat Pan Asba Seat Service Procedures13 Replacing the Seat Frame Changing the Seat Width/Depth Replacing the Seat FrameBack Upholstery Replacing the Seat Positioning StrapSeat Assembly Seat Assembly Back Height 15 Removing/Installing the Back UpholsteryAngle Back Cane Mounting Hole Back Angle Plate Hole 16 Adjusting the Back AngleAdjusting the Seat Position on Van Seat Frame Van Seat Service Procedures18 Adjusting the Seat Position on Van Seat Frame Back Depth Seat Size Adjusting the Van Seat Back DepthArms Arm Service Procedures for Van SeatRemoving/Installing Van Seat Arm Adjusting Van Seat Arm WidthAdjusting Van Seat Arm Height Adjusting Van Seat Arm AngleArmrest Pad Armrest Insert Mounting Screw Arm Post Washers Locknut Adjusting the Flip Back Armrest Arm Service Procedures for Asba or Adjustable Asba SeatRemoving/Installing Flip Back Armrest Adjusting the Flip Back Armrest Replacing the Front/Rear Casters WheelsAdjusting Caster Assembly Adjusting Caster AssemblyRemoving Removing/Installing the Front/Rear Caster AssembliesRemoving/Installing the Front Headtube Assembly InstallingRemoving the Drive Wheel Removing/Installing the Drive WheelInstalling the Drive Wheel Removing/Installing the Drive Wheel Inner Rim Front RIGGINGS/ Footboard Installing/Removing Front RiggingsModel PH904A and PHAL4A Front Riggings Adjusting Footrest HeightModel PHWH93 Front Riggings Van Seat Adjusting/Replacing Telescoping Front Rigging SupportsReplacing Heel Loops Raising/Lowering Elevating Front RiggingsStandard Position Inch OUT Inches OUT Asba Seat Adjustable Asba SeatRemoving/Installing the Footboard Assembly Depth Adjustment Angle/Depth/Height Adjustment of the Footboard AssemblyAngle Adjustment 11 Depth Adjustment/Height Adjustment Height AdjustmentSHROUDS/FRAME Removing/Installing the ShroudsRemoving/Installing the Shrouds Removing/Installing the Pivot Tube Disassembling/Reassembling the Side Frame AssemblyDisassembling/Reassembling the Side Frame Assembly Removing/Installing the SureStep Springs Removing/Installing the SureStep Springs Motors Removing/Installing the MotorRemoving/Installing the Motor Release Lever Removing/Installing the Motor Release LeverReplacing Internal Motor Brushes Replacing Internal Motor Brushes Inspecting/Replacing External Motor Brushes Electro-Mechanical Parking Brake Testing Electro-Mechanical Parking Brake TestingBATTERIES/CHARGER Using the Proper Batteries Using the Proper BatteriesTool Quantity Comments Removing/Installing Batteries From/Into Battery TrayRemoving Batteries Installing BatteriesRemoving/Installing Batteries From/Into Battery Tray Connecting Battery Cables Connecting/Disconnecting Battery Cables20 x 7/8-Inch Removed for clarity Disconnecting Battery CablesReplacing the On-Board Battery Charger Fuse Replacing the On-Board Battery Charger Fuse Replacing the On-Board Battery ChargerReplacing the On-Board Battery Charger Controller and Joystick Disconnecting/Connecting the JoystickDisconnecting ConnectingVan Seat Models Removing/Installing the JoystickRemoving/Installing the Joystick Van Seat Models Asba and Adjustable Asba ModelsReplacing the Mkiv RII Controller Replacing the Mkiv RII Controller Replacing the MK5-NX or MK660 ACC Controller Replacing the MK5-NX or MK660 ACC ControllerDisassembling the Wheelchair DISASSEMBLING/ Assembling the M71Disassembling/Assembling the Wheelchair 104 Disassembling the Wheelchair Assembling the Wheelchair Assembling the Wheelchair Final Assembly Transport Ready Package Compliance Information SpecificationsModel Wheelchair Weight Limit About Transport Ready PackagesPositioning the Wheelchair in the Vehicle Securing the Wheelchair to the VehicleSecuring the Wheelchair Securement PointsWheelchair-Anchored Belts Securing the OccupantRating Description Vehicle-Anchored BeltsSeating System Positioning Belts Positioning BeltsUSA Limited Warranty
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