BACK FRAME

PROCEDURE 8

This Procedure includes the following:

Removing/Installing CJ Back Brackets

Changing Back Height

Back Angle Adjustment

WARNING

After ANY adjustments, repair or service and BEFORE use, make sure that all attach- ing hardware is tightened securely - oth- erwise injury or damage may result.

NOTE: The procedures in this section of the manual refer to NON-RECLINER seat frames only. For recliner seat frames, refer to PROCEDURE 14 of this manual.

REMOVING/INSTALLING CJ BACK BRACKETS (FIGURE 1)

NOTE: The following procedure is for Jr. wheelchairs only.

NOTE:Thisprocedureistobeperformedinconjunctionwith a starting procedure except when replacement of CJ back brackets is desired.

Removing CJ Back Brackets

1.Ifnecessary,performtheinstructionsoutlinedinPREPA-

RATIONS FOR REMOVING/INSTALLING SEAT FRAME(STANDARDFRAME,ADJUSTABLE FRAME, ANDCAPTAINSVANSEAT)inPROCEDURE6 ofthis manual.

2.Remove the locknuts and washers that secure the CJ back bracket to the back angle plate.

3.Remove the mounting screw and locknut that secures the quick release pin and CJ back bracket and seat po- sitioning strap to the seat frame.

4.Remove the existing CJ back bracket.

5.Repeat STEPS 2-4 for the opposite CJ back bracket.

6.Perform one (1) of the following:

A.For replacement of CJ back brackets, proceed to

REMOVING/INSTALLINGCJBACKBRACKETS in this procedure of the manual.

B.For all other seat frame changes, refer back to the startingproceduretocompletethedesiredchange.

Installing CJ Back Brackets

1.Ifnecessary,performtheinstructionsoutlinedinPREPA-

RATIONS FOR REMOVING/INSTALLING SEAT FRAME(STANDARDFRAME,ADJUSTABLE FRAME, ANDCAPTAINSVANSEAT)inPROCEDURE6 ofthis manual.

2.InstallthethreadedstudsoftheCJbackbracketthrough the back angle plates as shown in FIGURE 1.

NOTE: Ensure the CJ back bracket is mounted in the front holes of the back angle plates as shown in DETAIL “A”.

WARNING

Always wear your seat positioning strap.

3.Position the seat positioning strap and quick release pin under the CJ back bracket.

4.Securethequickreleasepin,seatpositioningstrap,and CJ back bracket to the seat frame. Torque to 75-inch pounds.

5.Install washers and locknuts onto the threaded studs of the CJ back bracket. Torque to 75-inch pounds.

6.Perform one (1) of the following:

A.For replacing CJ back brackets only, perform the instructionsoutlinedinPREPARATIONSFORRE-

MOVING/INSTALLINGSEATFRAME(STANDARD FRAME,ADJUSTABLE FRAME,ANDCAPTAINS VAN SEAT) in PROCEDURE 6 of this manual.

B.For all other seat frame changes, refer back to the startingproceduretocompletethedesiredchange.

 

 

 

CJ Bracket

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

mounts in

 

 

 

 

 

 

Front Holes on

DETAIL “A”

 

 

 

Back Angle

 

 

 

 

 

 

 

 

 

 

Plates.

 

 

 

Toward Front of

 

 

 

Wheelchair

 

 

 

Back

Mounting

CJ Back

Seat

Positioning

Bracket

 

Angle

 

Screw

 

Strap

 

 

 

Plate

 

 

Threaded

 

 

 

 

 

 

 

 

Studs

Washers

Quick

Release

Pin

Locknuts

 

Locknut

Seat

 

Pan

Seat Frame

FIGURE 1 - REMOVING/INSTALLING CJ BACK

BRACKETS

B A C K

F

R A M E

37

Page 37
Image 37
Invacare Arrow FWD, MWD, RWD REMOVING/INSTALLING CJ Back Brackets Figure, Back Frame Procedure, C K M E, CJ Bracket Mounts

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.