Determining Wheelbase Length | Invacare 1171880 instruction

11 WHEELS

11.6 Adjusting Wheelbase Length [Adjusting Center of Gravity (COG)]

WARNING

ALWAYS perform this procedure in the presence of an assistant. The position of the footrest, camber tube, seat angle, back angle, the tautness of the back upholstery as well as the user's condition are directly related to the wheelchairs stability. Any change to one or any combination of the six may cause the wheelchair to decrease in stability. Use EXTREME caution when using a new seating position. The addition of anti-tippers may be required.

Determining Wheelbase Length

1.Measure the distance between the center of the front caster and the center of the rear wheel to determine the wheelbase length.

Rear Wheel

Front

Caster

Wheelbase Length

FIGURE 6 Wheelbase Length

Part No 1171880

71

Invacare®Top End Reveal™Wheelchair

Image 71

Invacare 1171880 user manual Adjusting Wheelbase Length Adjusting Center of Gravity COG, Determining Wheelbase Length

Contents

InvacareTop End RevealWheelchair Page Contents Seat Caster General Symbols Limited Warranty Wheelchair User SafetyGeneral Guidelines Stability Warning Wheelchair Tie Down Restraints Operating Information Repair and Service Information Tire Pressure and Information Weight TrainingSeat Positioning Straps Label Locations Serial Number Overview Component Identification Lock Down, Folding Standard Typical Product Parameters0, +4, +8 Non Tapered front end Standard Reveal RVL Weight Stability and Balance Safety/Handling of WheelchairsSafety/Handling of Wheelchairs SAFETY/HANDLING of Wheelchairs Reaching, Leaning and Bending Forward Lengthening Wheelbase Shortening Coping with Everyday Obstacles Reaching, Leaning BackwardsReaching, Leaning Bending Forward Backwards Tipping Curbs Tipping Moving Up Stairs Stairways Stairways Moving Down Stairs Transferring To and From Other Seats Escalators Inspect Initially Safety InspectionSafety Inspection Checklist Inspect/Adjust Weekly Inspect/Adjust Periodically Inspect/Adjust Monthly Solutions Troubleshooting Suggested Maintenance Procedures Maintenance Maintenance Safety Precautions  Tire wear is excessive if Replacing/Repairing Caster Tire/Tube Replacing/Repairing Rear Wheel Tire/Tube Footrest Adjusting/Replacing Standard FootrestAdjusting the Footrest Replacing the Footrest Replacing/Adjusting Optional Adjustable Angle Footrest Adjusting Footplate Depth Adjusting Footplate Angle Replacing/Adjusting Optional Adjustable Angle Footrest Adjustments Clamp Arms Installing the Swingaway Padded Armrest Socket Remove Back Stop Insert Left Side Armrest Socket Right Side Armrest Socket Install Back Stop Insert/Arm Socket Assembly Split Ring Back Release Cord Removing Installing/Removing/Adjusting the Swingaway Padded ArmrestAdjusting Height Adjusting T-Arm Height  To remove the T-arm, reverse this procedure Unfolding/Folding the Back Back Detail a Folding the Back Back Angle Adjustment Repeat Steps 2-6 for remaining back cane Detail Square will align with Hole in adjustmentWhen installed This orientation Seat Rail Orientation Hole AdjustmentSquare will align with + when installed With 0 when Back Upholstery Cover Adjustable Tension Back Upholstery Adjusting the Back Tension Removing the Lumbar Strap Removing the Adjustable Tension Back UpholsteryInstalling the Lumbar Strap Removing the Back Upholstery Cover Installing the Back Upholstery Cover Installing the Adjustable Tension Back Upholstery Back Canes Detail a Detail B Detail E Front Wheelchair Removing/Installing Foldover Back UpholsteryInstalling Foldover Back Upholstery Removing Foldover Back Upholstery HOLE* Number Back Height Adjustment Insert Back Cane Adjustment Pin Back CaneHole Number Installing Removing/Installing the Back Frame Replacing Seat Upholstery Seat Changing Seat Angle/Changing Rear Seat Height Bottom View Height Adjustment Bar Replacing the Wheel Lock Replacing/Adjusting the Wheel LocksAdjusting the Wheel Lock Wheel Locks Changing Wheel Lock Handle Position Replacing/Adjusting the Wheel Locks Converting From Pull-to-Lock to Push-to-Lock Configuration Wheels Removing/Installing Rear Wheels Removing/Installing Rear Wheels Adjusting Quick-Release Axles And/or Out Adjusting Quad-Release HandlesReplacing Quad-Release Axles Removing Play from Rear Wheels Adjusting Quad-Release Handle In and/or OutRemoving Play from Rear Wheels Handrim Replacement Handrim Replacement Determining Wheelbase Length Adjusting Wheelbase Length Adjusting Center of Gravity COG Wheels Mounting Screws Locknuts Frame Height Adjustment Bar May be affected Adjusting Wheelbase Width Removing the Camber Tube Removing/Installing the Camber TubeInstalling the Camber Tube Camber Tube Clamp AngleAxle Detail a Side View Adjusting the Camber Tube  For this procedure, refer to on page 76 and Figure Determining/Setting Toe In/Toe Out Top View of Wheelchair Top View of Wheelchair Caster Adjusting Fork Tension Detail a Detail B ONE Standard Fork Sided Fork Removing Front Caster Removing/Installing/Repositioning the Caster AssembliesInstalling Front Caster Standard Forks One Sided Fork Installing the CasterRemoving/Installing the Fork Assembly Removing Fork Assembly  Spacer orientation must be as shown in Figure Installing Fork Assembly  For this procedure, refer to on Repositioning the Front Caster Housings Belleville Washer Round Adjustment Nut Caster Housing Angle AdjustmentSmall Angle Adjustments Large Angle Adjustments Interference between Anti-Tipper Adjusting/Replacing Anti-tipper Replacing Anti-tipper Adjusting Anti-tipper Lock Buttons Release Buttons ANTI-TIPPERS Bracket Setting For Higher Camber Tube Reversing Anti-tipper Bracket Orientation Reversing Anti-tipper Bracket Orientation InvacareTop End RevealWheelchair Canada USA