WHEELS/MOTORS

PROCEDURE 12

REMOVING/INSTALLING CASTERS (FIGURE 3)

WARNING

DO NOT use your power wheelchair unless it has the proper tire pressure (p.s.i.). DO NOT over-inflate the tires. Failure to follow these suggestions may cause the tire to explode and cause bodily harm. The recommended tire pressureislistedontheside wall of the tire.

Periodically, the tires will need to be replaced due to wear or puncture.

Removing Casters

1.Remove the mounting screw, spacers and locknut that secure the existing caster to the fork.

2.Remove the existing caster from the fork.

Installing Casters

1.Position the new/existing caster into the fork.

2.Reinstall the mounting screw, spacers and locknut that secure the caster to the fork.

3.Torque locknut to 10-foot pounds (120-inch) pounds.

4.Loosen the locknut 1/8 of a turn.

5.Move the caster side to side.

NOTE: If the caster moves side to side, tighten the locknut slightly. Repeat STEP 4 until there is no side to side move- ment of the caster.

6-INCH8-INCH

NOTE: Check bearing assemblies. Replace if necessary.

6.Ensurenewforkslidescompletelyintocasterheadtube.

7.Install nylon washer and secure with locknut.

WARNING

Improperpositioningofthewasherwillprohibit the free movement of the forks.

8.Install the caster onto the new fork. Refer to REMOV- ING/INSTALLING CASTERS in this procedure of the manual.

9.Adjust the forks. Refer to ADJUSTING FORKS in PROCEDURE 9 of the owner’s manual, 1081227

Dust Cover

Locknut

Nylon Washer

Caster Headtube

Fork

FIGURE 4 - REPLACING FORKS

REMOVING/INSTALLING THE MOTOR (CONVENTIONAL MOTOR WITH GEARBOX) (FIGURE 5)

W H E E L S

/

M O T O R S

 

 

 

 

Locknut

 

Mounting

 

Screw

 

 

 

 

 

 

 

 

 

 

 

 

 

Locknut

 

Mounting

Screw Spacers

Spacers

FIGURE 3 - REMOVING/INSTALLING CASTERS

REPLACING FORKS (FIGURE 4)

1.Remove the caster from the existing fork. Refer to REMOVING/INSTALLING CASTERS in this proce- dure of the manual.

2.Remove the head tube cap.

3.Remove the locknut and nylon washer.

4.Drop the existing fork out of the caster head tube.

5.Slide the new fork into the caster head tube.

Removing

RWD AND MWD MODELS.

1.Disconnect the right and/or left motor connector from the controller.

2.Remove the two (2) allen screws and washers that secure the motor to the gearbox.

CAUTION

DO NOT damage the motor/gearbox coupling.

3. Carefully pull the motor away from the gearbox.

ARROW FWD MODEL.

1.Remove the front shroud. Refer to REMOVING/IN- STALLING SIDE SHROUD ASSEMBLY in PROCE- DURE 17 of this manual.

2.Remove the counterweight. Refer to REMOVING/ INSTALLING COUNTERWEIGHT in PROCEDURE 17 of this manual.

3.Removethebatterybox(es).RefertoINSTALLING/RE- MOVING GROUP 24 BATTERY BOXES in PROCE- DURE 9 of this manual.

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Invacare MWD, Arrow FWD REMOVING/INSTALLING Casters Figure, Replacing Forks Figure, Removing Casters, Installing 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.