Introduction; Model Variations - Yamaha JW-II Service Manual

Introduction

•
The is available in nine variations. Please be careful to order the specific model
desired.
Variations and Principal specifications
Model Name
Type
-24S
-24SR
XA41
-22S
-22SR
-24K
-24KR
XA42
-22K
-22KR
XA43 -22CR
Reference
<Model designation>
Example
<Selecting Specifications>
The wheelchair should be tried by the user before the final specifications are decided.
•
Notes for test use:
1. On an indoor level course, users will judge type B to be easier to use, because of no appreciable
differences between types A and B. Therefore, an outdoor course with a slope of approximately
4° is recommended.
2. Users should test types A and B under varying conditions, including indoor and outdoor use, and
on inclined surfaces and level surfaces where travel is likely to be particular fast or slow.
Assist Axle
Ratio
1.5 Detachable Type 24×1 3/8 WO
↑
Fixed type
↑
Detachable Type 22×1 3/8 WO
↑
Fixed Type
3 Detachable Type 24×1 3/8 WO
↑
Fixed Type
↑
Detachable Type 22×1 3/8 WO
↑
Fixed Type
↑
3.7
-22 K R
Tire Size
↑
↑
↑
↑
22×1 3/8 WO
R: Type with the wheels fixed with nuts. (Those
without the R have detachable wheels.)
K: Type recommended for users with weak grasp-
ing power (ex: quadriplegia). (catalogue indica-
tion: B type) The power assist function will work
with weak manual operation input. Hand rims
are vinyl chloride coated.
S: Type recommended for those with sufficient
grasping power (ex: paraplegia). (catalogue in-
dication: A type) The power assist function will
work after with sufficient manual operation in
put. Stainless steel hand rims.
C: This type is recommended for persons capable
of operating with one hand (ex. hemiplegia).
(catalogue indication: C type)
Steering is done with a foot.
22: Tires with nominal diameter of 22 inches.
24: Tires with nominal diameter of 24 inches.
1

Model Variations

Hand Rim Catalogue
Indication
SUS
↑
A type
↑
↑
Vinyl chloride coating
↑
B type
↑
↑
SUS (for 20-inch tires) C type