GTS3
1
Wheelchair-transformer CaterWil
model: GTS3
Instructions for Use
Caterwil LLC, phone +7-(383)-319-7837, www.caterwil.com
ver 1.0.1 rev 25.01.2017
2
Table of contents
1. Product Description ........................................................................................................................................... 3
1.1 General description ................................................................................................................................... 3
1.2 Technical specifications ............................................................................................................................. 4
1.3 Remote controller ..................................................................................................................................... 5
1.4 Batteries specifications ............................................................................................................................. 7
1.5 Safety features........................................................................................................................................... 7
1.6
Electromagnetic In
terfer
ence
(EMI) ..................................................................................................... 8
1.7 Electrostatic discharge (ESD) protection .................................................................................................. 8
1.8
Materials safety
...................................................................................................................................... 8
1.9
Vibrations protection
............................................................................................................................. 8
2. Start-up and restarting instructions ................................................................................................................. 8
2.1 Installing footrests
.................................................................................................................................. 8
2.2
Adjusting the Lower Leg Length (see fig. 5) .............................................................................................. 9
2.3
Adjusting footrest angle (see fig. 5) .......................................................................................................... 9
2.4
Adapting the Remote controller position to Arm Length ........................................................................ 9
2.5
Swing-away Remote controller holder ................................................................................................... 10
2.6
Adjusting the armrest.............................................................................................................................. 10
2.7
Lap Belt .................................................................................................................................................... 10
2.8
Turning on/off and operating ................................................................................................................. 11
3. Maintenance Manual ...................................................................................................................................... 11
3.1 Cleaning and Care .................................................................................................................................... 11
3.2 Changing the Fuse ................................................................................................................................... 11
3.3 Replacing
Batteries
............................................................................................................................... 12
3.4 Tighten screws ......................................................................................................................................... 13
3.5 Troubleshooting ...................................................................................................................................... 13
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1. Product Description
1.1 General description
Fig. 1
Wheelchair transformer CaterWil GTS3 with electrical drive is designed to be driven by disabled
person or by the attendant. The wheelchair can overcome different kind of obstacles including stairs.
CaterWil has wheels and tracks platform. Wheels platform is used for moving on a smooth
surface. Track platform is needed for overcoming stairs, curbs and other obstacles. In a wheel mode
the track platform is hidden in its upper position doesn’t slug and doesn’t create resistance for moving.
When the button pressed on a remote control the linear actuator is activated and though the
mechanical system of levers the track platform goes down. Caterpillars are moved by the motors that
rotate the wheels but using the additional gear that provides higher torque and lower speed on stairs.
The passenger’s seat is installed on hinges and turned by the separate drive. Turning the seat
is important when going up and down the stairs for displacing the center of mass and saving a vertical
position of the passenger that is safe and comfortable. The seat is controlled by electronics in
automatic cycle. Three axis sensors accelerometers determines the position of the main platform and
the seat, using the acquired data system smoothly turns the seat leaving it’s constant position relative
to the horizon.
The power supply of the system is provided by batteries. Two main drives (left and right) that
rotate wheels or tracks (depends on moving mode) are made as DC gear-motors. Each of three linear
actuators is made as a DC motor driving a rod via a gear system. The actuators strokes are limited by
limit switches.
4
The electronic system consists of two modules: remote control and process execution block.
The data transition between the modules is organized by wire connection.
For safety management the main drive’s system is equipped by electromagnetic brakes that
activates in case of power loss. Also main drives has special handles that can disjoin the gears from
wheels and tracks, this makes possible to roll the wheelchair by hands if the battery is discharged. The
battery charge is designed for overcoming 15 km distance on smooth surface. Electronics monitors the
battery charge and informs the user in case of low level.
The CaterWil dimensions don’t exceed sizes of usual wheelchair. The width of the device is 65
cm that allows using it at home conditions, going through interior doors and using elevators.
The CaterWil can climb stairs up to 40 deg on tracks and can climb ramps up to 18 deg on wheels
(fig. 2)
1.2 Technical specifications
Table 1. Wheelchair specifications.
№
Characteristic
Unit
Value
Notes
1
Dimensions
(length x width x height)
mm
(1200-1400)x645x1230
Adjustable length
2
Seat width
mm
460
3 Seat depth
mm
435
4 Seat height
mm
530
5
Armrest height
mm
150-220
Adjustable
6
Lower leg length
mm
400-550
Adjustable
7
Weight empty
kg
105
8
Max. load capacity
kg
120
9
Front wheel size
mm
200
10
Drive wheel size
mm
330
11
Max speed on wheels
km/h
7
12
Max speed on tracks
km/h
0,7
13
Distance range
km
20
14
Max stairs angle
deg
40
At step height 160 mm, step
rounding radius 10 mm
15
Max step height
mm
200
At stair angle 25 deg, step
rounding radius 10 mm
16
Max step rounding radius
mm
20
At step height 160 mm, stair
angle 35 deg
17
Noise level
dBA
≤65
18
Operating temperature
Deg C
-10 to 40
19
Battery capacity
A*h
33
2 pcs AGM batteries
20
Drive motors voltage
V
24
2 pcs DC motors
21
Charger power requirements
V
220
22
Nominal charging current
A
5
23
Wheelchair protective system
IP54
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