CaterWil GTS3 Manuel utilisateur

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

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

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

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.

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

Dimensions

(length x width x height)

(1200-1400)x645x1230

Adjustable length

Seat width

460

Seat depth

435

Seat height

530

Armrest height

150-220

Adjustable

Lower leg length

400-550

Adjustable

Weight empty

105

Max. load capacity

120

Front wheel size

200

Drive wheel size

330

Max speed on wheels

km/h

Max speed on tracks

km/h

0,7

Distance range

Max stairs angle

deg

At step height 160 mm, step

rounding radius 10 mm

Max step height

200

At stair angle 25 deg, step

rounding radius 10 mm

Max step rounding radius

At step height 160 mm, stair

angle 35 deg

Noise level

dBA

≤65

Operating temperature

Deg C

-10 to 40

Battery capacity

A*h

2 pcs AGM batteries

Drive motors voltage

2 pcs DC motors

Charger power requirements

220

Nominal charging current

Wheelchair protective system

IP54

fig.2

1.3 Remote controller

The Remote controller is used to control the power wheelchair. The Remote controller consists

of a keypad, LED display and joystick. The control panel is used to switch the power wheelchair on and

off, to enter driving commands and to display the current state of certain functions and components.

fig. 3

1. Chair down button

2. Chair up button

3. Track mode button

4. Special functions button

5. On/Off button

6. Horn button

7. Wheel mode button

8. Max speed down button

9. Max speed up button

10. Max speed level LED indicator

11. Battery charge LED indicator

12. Track mode LED indicator

13. Wheel mode LED indicator

14. Joystick

15. ESD button

Chair up and down buttons

Moves chair up or down in wheel mode for adjusting chair angle

Wheel and track mode buttons

Start transforming into wheel mode (fig. 1) or track mode (fig. 4)

Special functions button

Provide additional functions in combination with other buttons

On/Off button

The on/off key is used for switching the power wheelchair on and for switching the power wheelchair

off.

Horn button

The horn will sound as long as the horn key is being pressed.

Speed up and down buttons

Pressing the speed buttons shortly increases or reduces the speed level. After reaching the maximum

or minimum speed level nothing changes.

Joystick

The joystick controls the direction and speed of travel.

Battery Capacity LED indicator

The LEDs show the battery charge

Speed Level LED indicator

The LEDs show the currently selected speed level.

Track and wheel mode indicators

Shows current mode activated. In activating process if blinking

Fig. 4

1.4 Batteries specifications

The wheelchar CaterWil GTS3 has 2 AGM batteries that are maintenance-free.

Table 2. Delta HRL 12-33 battery specifications

Nominal voltage

12V

Rated capacity (2 hour rate)

33Ah

Number of cell

Weight

11.5 kg

Dimensions (height x length x width)

195x130x168 mm

Discharge temperature

-20 to 60°C

Charge temperature

-10 to 60°C

Storage temperature

-20 to 60°C

Self discharge per month

3% of capacity at 20℃

Number of cycles at 40% capacity loss.

300 cycles of 100% discharge

1.5 Safety features

The wheelchar has safety features to provide maximum safety during exploitation,

transportation and storage.

Table 3. Safety features.

№

Safety feature

Notes

ESD button

For emergency stop

Electromagnetic brakes that are

active when power failure or

shutdown

Parking-brakes and emergency brakes

40A fuse

For overload or short circuit prevention

Battery charge indicator

For battery discharge prevention

Emergency stop when Remote

controller communication is failed

Automatic stop when Remote controller is unplugged

or wires are damaged

Motors load control

If motors are overloaded systems stops automatically

Brakes monitoring

Automatic stop when brakes are unplugged or wires

are damaged

Roll and pitch control system

System controls roll and pitch angles of the

wheelchair and passengers seat. It slows down or

stops moving if angles are dangerous.

Stop ends on linear actuators

Used for limiting motion of actuators

System self diagnostic

System checks all the components. If they are

plugged and works fine. If not it will show an error

(See Table 5. Troubles and remedies)

Safety belt

Optional

The driver is protected from scalding. The potential sources of heat like power electronics,

motors and batteries are isolated from user.

1.6

Electromagnetic

terfer

ence

(EMI)

ectrom

agnetic

interference

(EMI) is interference that can be generated

from sources such as radio

and

stations, amateur

rad

(HAM)

transmitters, two-way radios, and cellular phones.

Caterwil electronics is designed stable to EMI, all control signals are grounded and filtered by

hardware and software. Caterwil has been tested to a radiated

immunity

level of 20 volts per

ter.

This means that the wheelchair is stable under

ectrom

agnetic

interference of household equipment,

personal devices, radio transmitters, TV stations and other public equipment.

1.7 Electrostatic discharge (ESD) protection

The frame of the CaterWil wheelchair is grounded, that provides normal level of ESD

protection. There is no need to use personal ESD protective equipment.

1.8

Materials safety

The chair and accessories are made of non-harmful non-allergic materials that has no

limitations for contact with human skin

1.9

Vibrations protection

The wheelchair can generate low frequency vibrations from 0.1 to 80 Hz from drive chains and

tracks. CaterWil is equipped with series of plastic and rubber dampers that reduce vibrations

amplitude and protect user from uncomfortable feelings and motion sickness.

2. Start-up and restarting instructions

2.1

Installing footrests

Dismantling

1. Remove the calf band.

2. Flip the footplate up, release the footrest lock (see fig. 4) and swing the footrest either to the

inside or out-side.

3. Pull the footrest up to remove it.

Reassembly

1. Reinsert the footrest from above by placing it in the holding device and swinging it forward

until the footrest lock engages.

2. Reattach the calf band to the holding device.

2.2

Adjusting the Lower Leg Length (see fig. 5)

1. Loosen the screws on the footrest bar.

2. Move the footplate up or down to adapt the height to the individual lower leg length and seat

cushion thickness.

3. Retighten the screws.

2.3

Adjusting footrest angle (see fig. 5)

To elevate the footrest:

1. Use the release lever on the footrest

2. Move the footrest to the desired position

3. Let go of the release lever

Fig. 5

2.4

Adapting the Remote controller position to Arm Length

To adapt the Remote controller to the arm length of the user, you must loosen a clamper on the

Remote controller holder (see fig. 6). You can now slide the control panel backwards and forwards.

Fig. 6

2.5

Swing-away Remote controller holder

To allow the user to drive the power wheelchair closer to an object or under the edge of a table, the

control panel can be swung to the side (see fig. 7).

1. Swing the Remote controller holder to the side.

2. Push it to bring the Remote controller holder back to its original position.

Fig. 7

2.6

Adjusting the armrest

To adapt the armrest height to the arm length of the user, you must loosen two clampers on the

armrest holder (see fig. 6). You can now slide the armrest up and down.

2.7

Lap Belt

The GTS3 can be equipped with a lap belt.

To apply the lap belt, insert the two buckle halves into each other until they lock in place fig. 8).

Then, verify that the belt has locked by trying to pulling it apart. The lap belt should not be too tight on

the body. Objects caught under the belt can cause painful pressure sores.

To open the lap belt, press the red release button.

The belt length can be adjusted on both sides.

Fig. 8

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