FWD WHEELCHAIRS

PROCEDURE 17

ADJUSTING WEIGHT DISTRIBUTION (FIGURE 13)

NOTE:Depending on the seat depth ordered, theposition oftheseatsupportbracketsisfactoryset between 2.25 and 6 inches (measured from the front of the base frame to the frontoftheseatsupportbrackets).Thiswillputapproximately 65% of the total weight of the chair and user over the drive wheels(large wheels), allowing for the best performance of the chair.

In order to achieve maximum comfort and maneuverability for the end user, it may be necessary to adjust the seat support brackets slightly forward or backward. It is recom- mended that the seat support brackets be set as close to

2.25- 6 inch mark (depending on seat depth) as possible, while allowing maximum comfort and maneuverability to the end user.

Adjusting Weight Distribution For New Seat Depth

NOTE: When changing the seat depth of the chair, it is necessary to adjust the seat support brackets in order to achieve optimum weight distribution (65%). Perform the following procedure to adjust the seat brackets:

1.Refer to the following chart to determine the correct position of the two (2) seat support brackets to achieve optimum weight distribution (65%).

Seat

Position Of The Seat Support

Depth

Brackets (Inches) To Achieve

(Inches)

Optimum Weight Distribution (65%)

 

 

14 to 16 inches

2.25-inches

 

 

17 to 18 inches

4.25-inches

 

 

19 to 20 inches

6-inches

 

 

2.Loosen the four (4) mounting screws that secure the two (2) seat support brackets to the base frame.

3.Adjust the two (2) seat support brackets forward or backward until the position determined in STEP 1 is achieved.

NOTE: When the front of the seat aligns with the controller, approximately65%ofthetotalweightofthechairanduseris overthedrive wheels (largewheels).

4.Adjust the two (2) seat brackets slightly forward or backward, until maximum comfort and maneuver- ability for the end user is acheived.

5.Retighten the four (4) mounting screws securing the two (2) seat support brackets to the base frame.

Mounting Screws

Seat Support

Brackets

Front Of

Base

Frame

2.25Inches (For a seat depth of 14 to

16 inches)

NOTE: Seat/seat frame not shown for clarity.

FIGURE 13 - ADJUSTING WEIGHT

DISTRIBUTION

INSTALLING 90o FOOTBOARD (FIGURE 14)

WARNING

DO NOT remove detent pin from footrest assembly. Otherwise, injury may result.

1.Remove the existing footrests. Refer to FRONT RIG- GINGS in PROCEDURE 3 of the Owner’s manual, part number 1081227.

2.Remove the telescoping front rigging supports. Refer to ADJUSTING/REPLACING TELESCOPING FRONT RIGGING SUPPORT in PROCEDURE 3 of the Owner’s Manual, part number 1081227.

3.Remove existing front and rear shrouds. Refer to RE- MOVING/INSTALLING THE REAR SHROUD and REMOVING/INSTALLINGTHEFRONTSHROUDin this procedure of the Manual.

4.Remove the seat. Refer to REMOVING/INSTALLING THESEATFRAMEinPROCEDURE6ofthisManual.

5.Positionthe90o footboardonthebaseframeasshown in FIGURE 14.

6.Loosely install one (1) mounting screw into the back of the footboard and into the base frame.

7.Loosely install two (2) mounting screws and washers throughthetopofthefootboardandintothebaseframe.

8.Torque all three (3) mounting screw between 15 and 19-foot pounds.

F

W D

W H E E L C H A I R S

101

Page 101
Image 101
Invacare RWD, MWD Adjusting Weight Distribution For New Seat Depth, 14 to 16 inches Inches 17 to 18 inches 19 to 20 inches

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.