Woodpecker MT2 Electric Dental Motor User Manual

Woodpecker MT2 Electric Dental Motor User Manual

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Do Well Dental Products, Inc. LLC is a professional manufacturer researching, developing, and producing dental products. Its main products include Ultrasonic Scaler, Curing light, Apex locator, Ultra surgery, Endo Motor, Electric Motor, etc.

Introduction

Dental electric motor for driving dental hand pieces for dental surgery, Mainly used for dental aesthetics restoration, crown breaking, open marrow preparation, deburring, polishing and other aspects of power.

Precautions before operation

Dangers:

1. To prevent electric shock, do not use a wet hand to pull the power cord, and please prevent the water from entering the control circuit.
2. Keep away from explosives and flammable materials. Do not use this dental electric motor for patients who are anesthetized with nitrous oxide.

Warnings:

1. This dental electric motor may malfunction when used in an environment where electromagnetic interference occurs. This dental electric motor cannot be installed near the device that releases the magnetic wave. When using an ultrasonic vibrating device or an electrode knife in the vicinity, turn off the switch on the dental electric motor control panel.
2. MT2 requires special precautions for EMC and needs to be installed and put into use according to the EMC  nvironment.
3. Device with electromagnetic transmitting will affect the normal operation of MT2. Please do not run both devices at the same time.
4. Do not use it in operating rooms that contain a mixture of potentially flammable gases.
5. To avoid possible injury or damage to the dental electric motor, make sure that the motor handpiece (hereinafter referred to as the motor) is completely stopped when changing the contra-angle. (And the contra- 2 angle tool should be replaced by the pedal controller.)
6. A severe impact, such as a drop from high position, can result in damage to the dental electric motor.
7. Do not try to disassemble the controlling penal or motor.
8. After use, please immediately clean, lubricate and disinfect the dental handpiece (hereinafter referred to as the handpiece).
9. Do not lubricate the motor. The lubricant can cause overheating and damage the motor.
10. Do not use a solution with dissolving ability to clean the control panel.
11. Do not remove the motor cable from the motor.
12. After each operation, turn off the power supply

Intended use

Provide driving force of dental handpieces for dental surgery

Model

MT2

Contraindications

1. The hemophilia patient is forbidden to use this equipment.
2. The patients or doctors with heart pacemaker are forbidden to use this equipment.
3. Heart disease patients and children should be cautious to use the equipment.
4. Patients with oral and maxillary infections, unhealed oral mucosal diseases, periapical periodontitis, gum disease, periodontal disease, oral tumors, etc. should be cautious to use this device.
5. Patients with allergic constitution and history of drug allergy are prohibited from using this device.
6. Patients with mental disturbance should be cautious to use this device.
7. Patients with severe systemic or systemic diseases such as heart, liver, kidney, hematopoietic system, digestive system and endocrine system should be cautious to use this device.
8. Pregnant women or lactating women, women of childbearing age who have recently had a birth plan should be cautious to use this device

Safety requirements

Do Well Dental Products, Inc. LLC will not be  liable for any direct or indirect damages and losses under the following conditions:

• The device is used to the unmentioned usages or the usages outside the scope of application.
• The operator did not use the device with the method in accordance with the procedures and requirements stipulated in the Instruction Manual.
• The wiring system of the room where the device is used does not meet the requirements of appropriate standard and other proper requirements.
• Assembling, operating, and repairing the equipment without the authorization of DoWell Dental Products, Inc. LLC.
• The environmental conditions in which the equipment is located or stored do not meet the requirements mentioned in the section on technical requirements.

Basic technical parameters

Specification of main unit

Model:   MT2
Size: 165.5mm×129.7mm×77.6mm
Power supply input: 100-240V~ 50/60Hz 2.5A
Power supply output:    DC 30V 3.2A

Motor specification

Model: E-MT
Rotation speed:  2000-40000 rpm;
Voltage input:    DC 24V
Size:    Φ22×76.7mm
Tail cord length:    1.8m

Use environment

1. Ambient temperature:   +5℃ ~ +40℃
2. Relative humidity:  30% ~ 75%
3. Atmospheric pressure:    70kPa ~ 106kPa
4. Device safety classification
5. Type of protection against electric shock:  Class II equipment
6. Degree of protection against electric shock:  B type applied part
7. Degree of protection against harmful ingress of water: Ordinary equipment (IPX0). Not waterproof.
8. Classified by operation mode: Intermittent operating device
9. Degree of safety application in the presence of a flammable anesthetic mixture with air, oxygen, or nitrous oxide: Equipment cannot be used in the presence of a flammable anesthetic mixture with air, oxygen, or nitrous oxide.

Product performance structure and composition

Safety requirements during installation

Danger: Equipment is installed on the premise that the installation must comply with appropriate standards and associated electric safety requirements.
Danger: Never install the unit in an explosive atmosphere and do not operate in areas with flammable gases (anesthetic mixtures, oxygen, etc.).
Danger: The installation site should be protected from shocks and splashes of water or other liquids.
DANGER: Do not install the unit near or above the heat source. It must be installed in a place where the surrounding air is sufficiently circulated. There is enough space around it, especially for the exhaust fan and the back position.
WARNING: Do not place the parts directly under sunlight or ultraviolet light.
WARNING: This equipment is movable, but please handles with care.
WARNING: Make sure the connection parts are dry before connecting the wires to the unit. If necessary, blow to dry it with an air gun.

See the packing list for the machine configuration.
It mainly consists of main unit, motor, power adapter, etc

Figure 1

Figure 1

Front View of the Main Unit

Figure 2

Rear view of the main unit

Figure 3

Schematic diagram of motor installation

Figure 4

1. Connect/Disconnect motor and its tail cord
   • Connect, align and insert the motor and motor tail connections, twist the nut of the motor tail cord.
   • Remove the motor tail cord from the motor, unscrew and disconnect the motor wire nut, and gently exit the motor tail connector;
2. Connect/Disconnect motor and contra-angle
   • Insert the motor connecting shaft into the contra-angle, and then turn the contra-angle till you heard a “click” sound, to ensure accurate positioning;
   • When removing the contra-angle, pull the contra-angle out of the motor in parallel

Installation steps

1. Open the package, check whether the items of the equipment are complete according to the packing list, and place the main unit on the stable surface.
2. Connect the four-hole hand piece tube to the control box through the four-hole handpiece connector and tighten it.
3. Connect the power adapter to the DC adapter connector and connect the socket to the DC adapter with the power cord.
4. As shown in Figure 5, align the positioning boss of the motor tail cord with the positioning groove of the motor tail cord interface and insert it, and screw the tail cord nut into the motor tail cord interface until it can not be screwed by hand.

Figure 5

Main unit interface

Setting interface

Figure 7

Manual mode interface

Figure 8

Interface of calibration mode

Figure 9

Enter the setting interface, click the calibration mode touch button, enter the air pressure calibration interface, click “Start”, and the interface will pop up as shown in Figure 10. Fully press the foot pedal to until it displays 100%, and then release the pedal. Till then the calibration is successful.

Restore the factory setting

Figure 11

Enter the setting interface, and click the restore factory settings touch button to enter the restore factory settings interface for confirmation. In conforming interface, click OK, the interface shown in Figure 11 will pop up. Select “OK” to restore the original factory settings parameters or select “Cancel” to quit restoring factory settings.

Language selecting interface

Figure 12

Enter the setting interface, click the language selection touch button so that the interface shown in Figure 12 will pop up, and select the desired language. When you click “OK”, the corresponding language selected.

Function and operation

Install the product correctly according to the product installation steps, and the operator should face the screen
Turn on the power switch on the main unit, the screen will display and enter the main control interface (Figure 1).
The electric motor operation is controlled by the foot pedal of the dental chair.
Make sure that the pedal control calibration is performed before using the unit for the first time.

Icon description

Icon

| Name|

Function

---|---|---

| Mode| Select the preset fixed
speed. (P1/P2/P3)
|

Speed ratio

|

Select the speed of contra- angle (16:1/1:1/1:5)

|

Speed adjustment

|

Increase speed

|

Speed adjustment

|

Decrease speed

| Store|

Store the set parameters

|

Forward/Reverse rotation

|

Control the forward and reverse rotation of motor

|

Speed

|

Display the set operating speed

|

Setting

|

Enter the setting interface

|

Manual mode

|

Enter manual mode adjusting interface

| Calibration|

Enter calibration interface

| Restore factory setting|

Restore the system to factory setting.

| Language selection|

Enter language setting interface

|

Exit

|

Exit the submenu setting mode

|

Start

| Start to activate the motor.
| Stop|

Stop the motor

| LED| Turn on/off the motor LED.

| Speed adjustment|

Adjust the speed formerly set in the manual mode. Touch the progress bark to increase or decrease the speed.

Basic function adjustment on main unit controlling interface

1. Select speed ratio through touching key “1”. The color of the key will change when touching the key.
2. Control the ON and OFF of LED through key “2”.
3. Adjust the speed of the motor by touching key “3”. Increase or decrease speed with key “+” and “-”.
4. Switch to the forward rotation or reverse rotation by touching key “4”.
5. Select the working speed of corresponding mode by touching key “5”.
6. Store the set speed ratio, speed, mode, forward rotation/reverse rotation, and the ON/OFF of LED by touching key “6”.
7. Enter setting interface by touching key “7”

Basic funtion adjustment in setting interface

1. In setting interface, touch key “8” Manual Mode key to enter manual mode interface. Under the manual mode state, the rotation of motor can be directly controlled without foot pedal. Touch Speed Ratio key to select corresponding speed ratio. Touch Speed key to adjust the speed. Touch Start key, Stop key, Forward/Reverse Rotation key, and LED key to control the output of motor. Touch the Exit key to exit the manual mode interface.
2. In setting interface, touch key “9” Calibration key, touch Start key, and the interface shown in Figure 8、9would pop up. Fully step on the foot pedal until it displays 100%, and release the foot pedal to finish the calibration.
3. In setting interface, touch key “10” Restore Factory Setting key, click OK to enter interface shown in Figure 10, and decide whether to restore the factory setting by clicking “OK” or “Cancel” key.
4. In setting interface, touch key “11” to enter interface shown in Figure 7 for language selection.
5. In the setting interface, touch key “12” to exit sub menu setting mode.

Safety precautions

Cautions:

1. For repairs and purchase of spare parts, please contact our authorized supplier.
2. The accuracy of the speed monitoring depends on the high precision performance of the hand piece installed on the micro motor. If the hand piece of other manufacturers is used, the actual speed value may not be displayed correctly. To ensure the actual matching display speed, please use the matching hand piece.
3. Read this operating manual before use and fully understand the functions of each part.
4. Check the operating status of the dental electric motor before use to confirm that there is no abnormality.
5. Test the dental electric motor before use to ensure accurate operation.
6. If the dental electric motor is permanently malfunctioning (excessive vibration, noise and heat generation, etc.), please immediately close it and return it to the authorized dealer.
7. Clean the control panel with a damp cloth and turn off the power before cleaning.

Cleaning, disinfection and sterilization

Cleaning

Cleaning the motor surface with a water-absorbent cloth to remove any liquid residue from the motor surface and wipe it back and forth 5 times

Disinfection

Use a chlorine-free disinfectant to wipe the motor. It is recommended to use Cavicide disinfectant or 75% alcohol, but do not soak the motor in the disinfectant.

Drying

Drying should be conducted after cleaning and disinfection. It is recommended to use compressed air to dry.

Sterilization

Before sterilization, first remove the motor, install a sterile plug and a sterile aluminum sleeve, place the motor in a high pressure steam sterilization bag, and seal it. And then sterilize it under the temperature and pressure of 134 ° C (273 ° F) and 2.0 bar ~ 2.3 bar (0.20MPa ~ 0.23MPa) ) for not less than 4 minutes. Drying is needed after sterilization, The sterilization of the dental contra-angle handpiece is detailed in the instruction manual of the contra-angle hand piece.

Warnings:

1. Install disinfection plug and disinfection aluminum sleeve at the motor interface before sterilization. The installation method is shown above.
2. Before sterilization, the tail cord should be removed.
3. Do not lubricate the inside of the motor.
4. The motor can be sterilized repeatedly for at least 250 cycles of sterilization.
5. Except the motor and contra-angle, the other parts such as main unit, power adapter and tail cord are not allowed to be sterilized.

Troubleshooting

Fault

| Cause|

Solution

---|---|---

Error 01

| Step on the foot pedal before turning on the device, so that the voltage is too high.|

Release the foot pedal and reboot.

Error 02

| The input voltage is too high or too low.|

Check whether the power adapter is right.

Error 03

| Motor abnormality| Check whether the motor is well connected or replace the motor.

If the problem still cannot be solved, please contact our local distributor or our company.
Note: The user must use the original accessories. Please contact our local dealer or the company for purchase. It is forbidden to use related accessories of other brands, so as to avoid damage to the electric motor or other dangers.

Storage and transport

1. The device should be handled carefully and lightly. Be sure that it is far from the vibration, and installed or kept in a cool, dry, and ventilated place.
2. Do not store the machine together with articles that is poisonous, combustible, caustic, or explosive.
3. This machine should be stored in a room where the relative humidity is10%~93%, atmospheric pressure is 70kPa~106kPa, and the temperature is -20℃~+55℃.
4. Excessive impact and shake should be prevented during transport. Lay it carefully and lightly.
5. Do not put it together with dangerous goods during transport.
6. Avoid being exposed to sun, rain, and snow during transport.

After-sales service

Since the date of sales, for the device that cannot work normally for quality problem, with Warranty Card, our company is responsible for the repair. Please refer to the Warranty Card for details of warranty

Environment protection

Part|

Toxic or harmful substances or elements

---|---

(Pb)

| (Hg)| (Cd)| (Cr6+)| (PBB)|

(PBDE)

Main unit

|  | | | | |

Motor handpiece

|

| | | | |

Power adapter

| | | | | |

Dental contra- angle

| | | | | |

Mechanical elements, including bolts, nuts, washers, etc.

|

| | | | |
○: Indicates that the content of the toxic substance in all homogeneous materials of the part is below the limit requirement stipulated in SJ/T-11363- 2006 Limit Requirements for Toxic and Hazardous Substances in Electronic Information Products.
X : indicates that the content of the toxic substance in at least one of the homogeneous materials of the  art exceeds the limit requirement specified in SJ/T-11363-2006.
(This product meets EU RoHS environmental protection requirements; there is currently no mature technology in the world to replace or reduce the content of lead in electronic ceramics, optical glass, steel and copper alloy.) According to the Administrative Measures on the Restriction of the Use of Hazardous Substances in Electric and Electronic Products and the Regulations on the Management of the Recycling of Waste Electric and Electronic Products and related standards, please observe the safety and precautions of the products, and after use, please recycle or dispose this product after according to the methods in local laws and regulations

Symbol instruction

| Mark
---|---

|

Date of manufacture

| |

Manufacturer

|

Type B applied part

| |

Class Ⅱ equipment

| Used indoor only| |

Follow instructions for use

|

Humidity limitation

| |

Temperature limitation

| Can be autoclaved| |

Ordinary equipment

|

Appliance compliance WEEE directive

|

Atmospheric pressure for storage

EMC-Declaration of conformity

The device has been tested and homologous in accordance with EN 60601-1-2 for EMC. This does not guarantee in any way that this device will not be effected by electromagnetic interference Avoid using the device in high electromagnetic environment.

Serial number| Cable name| cable length （m）|

Cable type

---|---|---|---

1

| Power cord (input)| 1.2m| Unshielded parallel line

2

| Power cord (output)| 1.2m|

Unshielded parallel line

3| Handle tail| 1.8m|

Unshielded parallel line

Technical Description Concerning Electromagnetic Emission

Table 1: Declaration – electromagnetic emissions

Guidance and manufacturer’s declaration – electromagnetic emissions

The model MT2 is intended for use in the electromagnetic environment specified below. The customer or the user of the model MT2 should assure that it is used in such an environment.

Emissions test

| Compliance|

Electromagnetic environment – guidance

RF emissions CISPR 11

| Group 1|

The model MT2 uses RF energy only for its internal function. Therefore, its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment.

RF emissions CISPR11

|

Class B

|

The model MT2 is suitable for used in all establishments, including domestic establishments and those directly connected to the public low-voltage power supply network that supplies buildings used for domestic purposes.

Harmonic emissions lEC 61000-3-2

|

Class A

Voltage fluctuations / flicker emissions lEC 61000-3-3

|

Complies

Technical Description Concerning Electromagnetic Immunity
Table 2: Guidance & Declaration – electromagnetic immunity

Guidance & Declaration — electromagnetic immunity

The model MT2 is intended for use in the electromagnetic environment specified below. The customer or the user of the model MT2 should assure that It is used in such an environment.

Immunity test

| IEC 60601 test level| Compliance level| Electromagnetic environment – guidance
Electrostatic discharge (ESD) lEC 61000-4-2| ±8kV contact ±2, ±4, ±8, ±15kV air| ±8kV contact ±2, ±4, ±8, ±15kV air|

Floors should be wood, concrete or ceramic tile. If floors are covered with synthetic material, the relative humidity should be at least 30 %.

Electric fast transient/burst IEC 61000-4-4

| ±2kV for power
supply lines
±1kV for Input/
output lines| ±2kV for power supply lines| Mains power quality should be that of a typical commercial or hospital environment.
Surge lEC 61000-4-5| ±0.5, ±1kV line to line
±0.5, ±1, ±2kV line to earth| ±0.5, ±1kV line to line
±0.5, ±1, ±2kV
line to earth|

Mains power quality should be that of a typical commercial or hospital
environment.

Voltage dips, short interruptions and voltage variations on

power supply input lines

IEC 61000-4-11

| <5 % UT
(>95% dip in UT.)
for 0.5 cycle
<5 % UT
(>95% dip in UT.)for 1 cycle
70% UT
(30% dip in UT) for 25 cycles
<5% UT
(>95 % dip in UT)
for 250 cycles| <5 % UT
(>95% dip in UT.) for 0.5 cycle
<5 % UT
(>95% dip in UT.) for 1 cycle
70% UT
(30% dip in UT) for 25 cycles
<5% UT
(>95 % dip in UT) for 250 cycles|

Mains power quality should be that of a typical commercial or hospital environment. If the user of the models MT2 requires continued operation during power mains interruptions, it is recommended that the models MT2 be powered from an uninterruptible power supply or a battery.

Power frequency (50/60 Hz)
magnetic field
lEC 61000-4-8

|

30A/m

| 30A/m|

Power frequency magnetic fields should be at levels characteristic of a typical location in
a typical commercial or
hospital environment.

NOTE    UT is the a.c. mains voltage prior to application of the test level.

Table 3: Guidance & Declaration – electromagnetic immunity concerning
Conducted RF & Radiated RF

Guidance & Declaration – Electromagnetic immunity

The model MT2 is intended for use in.the electromagnetic environment specified below. The customer or the user of the models MT2 should assure that it is used in such an environment.

Immunity test

| IEC 60601
test level| Compliance
level|

Electromagnetic environment –
guidance

Conducted RF lEC 61000-4-6
Conducted RF lEC 61000-4-6
Radiated RF lEC 61000-4-3

| 3 Vrms
150 kHz to 80 MHz
6 Vrms ISM
frequency band
3 V/m
80 MHz to 2.7 GHz| 3V
6V
3V/m|

Portable and mobile RF communications equipment should be used no closer to any part of the models MT2, including cables, than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter.
Recommended separation distance d=1.2×P1/2
d=2×P1/2
d=1.2×P1/2 80 MHz to 800 MHz
d=2.3×P1/2 800 MHz to 2.7 GHz
where P is the maximum output power rating of the transmitter In watts (W) according to the transmitter manufacturer and d Is the recommended separation distance in meters (m).
Field strengths from fixed RF transmitters, as
determined by an electromagnetic site survey,a
should be less than the compliance level in each frequency range.b Interference may occur In the vicinity of equipment marked with the following symbol:

NOTE I At 80 MHz end 800 MHz. the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people.
A Field strengths from fixed transmitters, such as base stations for radio (cellular/ cordless) telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy.
To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the model MT2 is used exceeds the applicable RF compliance level above, the model MT2 should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting or relocating the model MT2.
b Over the frequency range 150 kHz to 80 MHz, field strengths should be than 3V/m.

Table 4: Recommended separation distances between portable and mobile
RF communications equipment and the model MT2

Recommended separation distances between portable and mobile RF communications equipment and the model MT2

The model MT2 is intended for use in electromagnetic environment in which radiated RF disturbances is controlled. The customer or the user of the model MT2 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the model MT2 as recommended below, according to the maximum output power of the communications equipment.

Rated maximum output power of transmitter W

|

Separation distance according to frequency of transmitter m

150kHz to 80MHz
d=1.2×P1/2

|

80MHz to 800MHz
d=1.2×P1/2

|

800MHz to
2,7GHz d=2.3×P1/2

0,01

| 0.12| 0.12|

0.23

0,1

| 0.38| 0.38| 0.73
1| 1.2| 1.2|

2.3

10

|

3.8

| 3.8| 7.3
100| 12| 12|

23

For transmitters rated at a maximum output power not listed above, the recommended separation distance d in meters (m) can be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the transmitter in watts (W) accordable to the transmitter manufacturer.
NOTE I At 80 MHz and 800 MHz. the separation distance for the higher frequency range applies
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people.

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