FWD WHEELCHAIRS

PROCEDURE 17

Base Frame

Washer

Mounting Screw

Shock

Suspension Arm

7.Secure top of shock and spring retainer to base frame. Apply Loctite 242 and torque to 160-inch pounds.

8.Reinstall the shock. Refer to REMOVING/INSTALL- ING SHOCKS in this procedure of this manual.

TIE ROD REPLACEMENT (FIGURE 8)

Removing

1.Removethefrontshroud.RefertoREMOVING/INSTALL- INGFRONTSHROUDinthisprocedureofthemanual.

2.Removetherearshroud.RefertoREMOVING/INSTALL- ING REAR SHROUD in this procedure of the manual.

3.Remove the counterweight. Refer to REMOVING/IN- STALLING COUNTERWEIGHT in this procedure of the manual.

F

W D

W H E E L C H A I R S

Locknut

Mounting Screw

4.

Removethebatteryboxes.RefertoINSTALLING/RE-

 

MOVING GROUP 24 BATTERY BOXES in PRO-

 

 

 

 

 

 

CEDURE 9 of this manual.

 

 

5.

Remove the shocks. Refer to REMOVING/INSTALL-

FIGURE 6 - REMOVING/INSTALLING SHOCKS

 

ING SHOCKS in this procedure of this manual.

 

 

 

 

6.

Remove the MKIV controller. Refer to REMOVING/

SHOCK SPRING REPLACEMENT

 

INSTALLINGMKIVCONTROLLERinPROCEDURE

(FIGURE 7)

 

 

13 of this manual.

1. Remove the shock. Refer to REMOVING/INSTALL-

7.

Remove the locknut, small washer, larger washer and

 

mounting screw that secures the tie rod to the sus-

ING SHOCKS in this procedure of this manual.

 

 

pension arm.

2. Hold the spring retainer and turn the shock eyelet as-

8.

Remove the locknut, small washer, large washer and

semblycounterclockwisetounthreaditfromtheshock.

 

mountingscrewthatsecuresthetierodtothebaseframe.

3. Remove the spring retainer and spring.

9.

Remove the tie rod from the wheelchair.

4. Place the NEW spring onto the shock.

NOTE: In order to ensure that the replacement tie rod(s)

5. Reinstall the shock eyelet assembly and the spring

are adjusted properly, it is necessary to remove ALL

retainer onto the NEW spring.

 

of the tie rods from the wheelchair and install both the

6. While holding the spring retainer, torque the shock

NEW and the EXISTING tie rods as described in the

section below.

eyelet assembly to 245-inch pounds.

10.

Repeat STEPS 7-9 to remove the three (3) remain-

 

Spring

 

 

ing tie rods.

Shock Eyelet

Retainer

 

 

Assembly

 

Adjusting/Installing

 

Spring

1.

Before installing, adjust the collar on one (1) tie rod

 

 

until the length of the tie rod is approximately five (5)

 

 

 

inches (DETAIL “A).

 

 

NOTE: The length of the tie-rod is measured from the

 

 

center of one eyelet to the center of the opposite eyelet.

 

Spring

NOTE: Turn the collar CLOCKWISE to shorten the tie

 

Base

 

rod and COUNTER-CLOCKWISE to lengthen the tie rod.

 

 

 

Shock

2.

Lock the collar on the tie rod into place by turning

 

 

the nut on the tie rod until it is FLUSH against the

 

 

 

FIGURE 7 - SHOCK SPRING REPLACEMENT

 

collar (DETAIL “A”).

 

 

95

 

Page 94 Page 96
Page 95
Image 95
Invacare RWD, MWD, Arrow FWD service manual TIE ROD Replacement Figure
Page 94 Page 96

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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