Installing
1. Position the keystock on the gearbox drive shaft.
CAUTION
DONOTapplymorethanaone(1)-inch(inlength) thin film of anti-seize compound to the drive shaft. Applying more than one (1)-inch (in length) can cause the anti-seize compound to leak resulting in damage to flooring (carpet, tile, etc.).
2. Apply a thin film of anti-seize compound one (1) inch in length to the end of the drive shaft.
3. Reinstall drive wheel hub onto the gearbox drive shaft.
NOTE: While installing the drive wheel hub onto the drive shaft, spin the drive wheel hub to evenly distribute the anti- seize compound over the entire drive shaft.
4. Reinstall the washer and locknut and torque locknut to 45 foot pounds (540-inch pounds).
5. Reinstall the drive wheel assembly to the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in this procedure of the manual.
6. Repeat procedure for the opposite side of the wheel- chair, if necessary.
2. Remove the locknut, washer, keystock and existing drive wheel hub from the drive shaft of the gearbox.
1. Remove the drive wheel from the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in this procedure of the manual.
Removing
W
NOTE: This procedure can only be performed on sec-
H
ond generation storm wheelchairs with the conven- E tional motor/gearbox assembly. On second genera- E tion storm wheelchairs with the gearless/brushless L motor, the drive wheel hub CANNOT be removed. S Return motor to manufacturer for service.
/
M
O
T
O
R
S
PROCEDURE 12
REMOVING/INSTALLING DRIVE WHEEL HUB (FIGURE 1)

WHEELS/MOTORS

INSTALLING WHEEL LOCK BRACKET ONTO WHEELCHAIR (FIGURE 2)

NOTE: This procedure only pertains to second gen- eration storm wheelchairs with the conventional mo- tor and gearbox. On second generation storm wheel- chairs with the gearless/brushless motor, the wheel lock bracket is not required.

1.Removethetwo(2)mountingscrewsclosesttothelarge wheel that secure the gearbox to the suspension arm.

2.Lineupmountingholesinthewheellockmountingbracket with the gearbox mounting holes in the suspension arm.

3.Apply Loctite 242 to the two (2) mounting screws.

4.Reinstall the two (2) mounting screws into the mounting holes of the wheel lock mounting bracket and gear box and torque to 75-inch pounds.

5.Repeat STEPS 1-4 for opposite wheel lock bracket.

6.Adjust the wheel locks. Refer to ADJUSTING WHEEL LOCKS in PROCEDURE 9 of the owner’s manual, 1081227.

Mounting

Wheel Lock

Mounting

Screws

Bracket

 

Gearbox

 

 

Suspension

 

Arm

FIGURE 2 - INSTALLING WHEEL LOCK BRACKET

ONTO WHEELCHAIR

56

Page 55 Page 57
Page 56
Image 56
Invacare RWD, MWD, Arrow FWD service manual Wheels/Motors, Apply Loctite 242 to the two 2 mounting screws, Gearbox Suspension
Page 55 Page 57

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.
Top Page Image Contents