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 - otherwise injury or damage may result.

CAUTION

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

REPLACING PNEUMATIC TIRES/ 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.

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

Gearbox Drive Shaft

Drive Wheel Assembly

Keystock

Four (4)

Beveled

Hex Nuts

 

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

W H E E L S

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M O T O R S

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Invacare Arrow FWD, MWD, RWD REMOVING/INSTALLING Drive Wheels Figure, Replacing Pneumatic TIRES/ Tubes Drive WHEELS/CASTERS

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.