PROCEDURE 16

RWD WHEELCHAIRS

1. Determine the desired mounting position of the gear- less/brushless motor. Refer to ACCEPTABLE

RMOUNTING POSITIONS FOR THE GEARLESS/

WBRUSHLESS MOTOR in this procedure of the

D manual.

2. Remove the group 22 battery box or group 24 battery

W boxes.RefertoINSTALLING/REMOVINGBATTERY

H

10.

Reinstall the drive wheel to the wheelchair. Refer to RE-

 

MOVING/INSTALLING DRIVE WHEELS in PROCE-

 

DURE 12 of this manual.

11.

Repeat STEPS 1-9 for opposite side of wheelchair.

12.

If necessary, reinstall the batteryboxtray. Refer to RE-

 

MOVING THE BATTERY BOX TRAY in this proce-

 

dure of the manual.

E

BOX - GROUP 22 BATTERY BASE FRAMES or IN-

13. Remove the group 22 battery box or group 24 battery

E STALLING/REMOVINGBATTERYBOXES-GROUP

L 24 BATTERY BASE FRAMES in PROCEDURE 9 of

Cthis manual.

H3. If necessary, removethe batteryboxtray. Refer to RE-

AMOVING THE BATTERY BOX TRAY in this proce-

Idure of the manual.

R

S4. Remove the drive wheel from the wheelchair. Refer to REMOVING/INSTALLINGDRIVEWHEELSinPROCE- DURE 12 of this manual.

5.Loosen the adjustment screw that secures the motor release handle to the brake release shaft.

6.Remove the four (4) mounting screws and washers that secure the motor to the suspension arm.

7.Slide the motor forward or backward to the desired mounting position.

8.Secure the motor to the mounting position determined in STEP 1 and secure with the four (4) existing mount- ing screws and washers. Torque to 13 foot/pounds.

9.Securely tighten adjustment screw.

Motor

Brake Release

Motor Release

 

Shaft

 

Lever

 

 

 

 

Adjustment

 

 

Screw

Suspension Arm

Mounting

Washer Screws

FIGURE 14 - REPOSITIONING THE GEARLESS/

BRUSHLESS MOTOR

boxes. Refer toINSTALLING/REMOVINGBATTERY

BOX - GROUP 22 BATTERY BASE FRAMES or IN-

STALLING/REMOVINGBATTERYBOXES-GROUP

24 BATTERY BASE FRAMES in PROCEDURE 9 of

this manual.

REPLACING SUSPENSION ARM FOR WHEELCHAIRS WITH MOTOR/ GEARBOX ASSEMBLY (FIGURE 15)

1.Remove the drive wheels from the wheelchair. Refer to REMOVING/INSTALLINGDRIVEWHEELSinPROCE- DURE 12 of this manual.

2.Loosen the hex screws that secure wiring harness to sub-frame assembly.

3.Remove gearboxfromthe existing suspension arm. Re- fertoREMOVING/INSTALLINGGEARBOXinthisproce- dureofthemanual.

4.Removeplugbuttonsfromthemiddleofthebaseframe.

5.Remove the hex screws and the beveled washers that securethesuspensionarmassemblytothebaseframe.

6.Remove existing suspension arm from the wheelchair.

NOTE: When installing the NEW suspension arm, the beveled washers MUST be placed on the inside and out- side of the base frame, with the bevels facing each other.

7.Install the NEW suspension arm assembly onto the base frame.

Suspension Arm

Beveled

Washers

Plug

Button

Suspension Arm Hex Screw

(1/2 x 7-inches)

FIGURE 15 - REPLACING SUSPENSION ARM FOR WHEELCHAIRS WITH MOTOR/GEARBOX ASSEMBLY

88

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Invacare Arrow FWD, MWD, RWD service manual Suspension Arm Mounting Washer Screws
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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.
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