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Dental Delivery Unit Operation Manual 

 

REV-A 

Page 33 of 45 

 

5.7 Handpieces 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                      

  Air Turbine Handpiece

 

 

5.7.1 Handpiece Operation 

Pick up the handpiece and stamp down the foot control, the handpiece can work if it rotates. 

This dental unit is equipped with 4-hole handpieces with blow dust air and air-return functions. 

If you want to use blow dust air function only, please stamp the blow dust air switch.   

5.7.2 Air/water Pressure Adjustment   

Underneath instrument tray, there are regulate valves to adjust pressure of driving air; cooling 

air and cooling water. Rotate the regulators clockwise to reduce and counter-clockwise to 

increase. 

 

 

1 

HP Cooling Air 

2 

HP 1 Driving Air 

3 

HP 2 Driving Air 

4 

HP 3 Driving Air 

5 

Scaler Cooling Air 

6 

HP 3 Cooling Water 

7 

HP 2 Cooling Water 

8 

HP 1 Cooling Water 

5.8 3-way Syringe 

Press the convex circle down and insert the effuser, it will be locked when the convex circle 

gets reset.   

 

Handpiece 

Joint Body 

Joint Cover 

Air/ Water inlet pipe 

Joint 

Handle 

Head 

Содержание Wovo Series

Страница 1: ...WOSON Medical System Technical Publications WOVO Series Dental Delivery Unit Operation Manual ASS0301 REV A Operation Documentation Copyright 2014 by Ningbo Jiangebei Woson Medical Instrument Co Ltd ...

Страница 2: ...h regulatory requirements of the following European Directive 93 42 EEC concerning medical devices Ningbo Jiangbei Woson Medical Instrument Co Ltd No 25 Lane 300 Jinshan Road Jiangbei District Ningbo 315032 China Tel 86 574 83022668 Fax 86 574 87639376 Website www woson com cn E mail overseas woson com cn ...

Страница 3: ...N FOR CHANGE Rev A 2014 08 01 First Issue Please verify that you are using the latest revision of this document Information pertaining to this document is maintained by the manufactory If you need to know the latest revision please contact your distributor sales representative or our service dep ...

Страница 4: ...x 39 02 84718594 This product complies with the regulatory requirements of the following Council Directive 93 42 EEC concerning medical devices The CE label affixed to the product testifies compliance to the Directive The location of the CE marking is shown in this manual Certifications The manufactory has certified by EN ISO 9001 and EN ISO 13485 Original Documentation The original document was w...

Страница 5: ... Specification 10 3 4 Appearance and Structure 14 3 5 Safety Requirements 15 3 6 Cable and Pipeline Protection 15 3 7 Control Device 15 3 8 Cleaning and Disinfection 15 3 9 Environmental Tests 15 3 10 Packaging Specifications 15 Chapter 4 Installation 16 4 1 Before Installation 16 4 2 Power Connection 18 4 3 Fixed Dental Chair 19 4 4 Exchange Position 20 4 5 Pipeline Layout 21 4 6 Pipeline and Ele...

Страница 6: ...Chapter 6 Sterilization 24 6 1 Dental Chair 35 6 2 Saliva Ejector 35 6 3 Handpiece 35 6 4 Other Metal Instruments 35 Chapter 7 Maintenance 36 7 1 Daily Maintenance 36 7 2 Clean Filter 36 7 3 Common Malfunction and Solution 36 Chapter 8 Essential Information 39 8 1 Basic Information 39 8 2 Safety Information 39 Chapter 9 Transportation and Storage 41 Chapter 10 After sales Service 42 Appendix 1 Ele...

Страница 7: ...eration procedures for operation and safety precautions 1 2 Usage Indications The chair mounted dental unit is intended to properly position a patient to perform dental procedures A dental operating unit is attached to supply power and serves as a base for other dental devices such as a dental handpiece a dental operating light an air or water syringe unit and oral cavity evacuator a suction unit ...

Страница 8: ...BER Symbol for AUTHORISED REPRESENTATIVE IN THE EUROPEAN COMMUNITY Symbol for DATE OF MANUFACTURE Symbol for ATTENTION Operation Prompt Note Indicates that the provided information increases the ease of use or is helpful when operating the device Caution Indicates that a potential hazard may exist which through inappropriate conditions or operation may cause Minor injury Property damage Damage to ...

Страница 9: ...ower is too high or unstable Control Part Part Name Function Operation Panel The main control panel of the dental unit Foot switch Controls the air and water supply Foot control The foot control button controls the movement of the dental chair PCB Control Control system for all the process of operation CAUTION THE MANUFACTURER CAN NOT BE HELD RESPONSIBLE FOR ANY ARBITRARY DISASSEMBLY OR AMENDMENT ...

Страница 10: ... This machine controlled by gas electricity Dental chair rotating by the DC motor Dental Unit consists of a tray gargle water supply equipment strong weak saliva suction cuspidor three spray gun dental lamp view pieces lamp foot switch high speed air turbine headpiece endoscope optional and light curing machine optional Figure 1 the structure of dental Unit 1 Position foot control 7 Balance arm 2 ...

Страница 11: ...e less than 50 L min Water Resource Output 200kPa 400kPa Water volume should not be less than 10L min Suction pressure suction pressure should not less than 27 kPa the gas flow rate should not less than 340L min Fixed equipment surface should be smooth the gradient of the installed machine should be less than 0 5 3 2 3 Fuse Information Type Size Specification Qty Position RT1 20 φ5 20 6 3A 1 Power...

Страница 12: ... and filler materials meet the requirements of 5 1 5 YY T0058 2004 Headrest meets the requirement of 5 2 1 1 YY T0058 2004 Armrest meets the requirements of 5 2 2 YY T0058 2004 Carrying capacity meets the requirements of 5 2 3 YY T0058 2004 Explosion pressure meets the requirements of 5 2 4 YY T0058 2004 the additional loads which under the emergency measures to meet the requirements of 5 2 7 YY T...

Страница 13: ...eral requirements for YY T of 5 1 1120 2009 Dental lamp brightness to meet general requirements of YY T of 5 2 1b1120 2009 Dental lamps lighting on the specified area which to meet the rule of YY T 1120 2009 5 2 2 1 the maximum light point fall in the zone A and the brightness of Zone A is greater than the maximum intensity of 75 Dental lamp brightness uniformity to meet the requirements of YY T 1...

Страница 14: ... 3 3 13 Pneumatic Foot Switch The gas conditions to meet the requirements of 3 1 2 took down any hand piece from the shelf turn on the pneumatic foot switch the air pressure should meet the hand piece s working pressure and the pressure should stable 3 3 14 Doctor Chair Doctor chair is available free to move in any direction for load larger than the 1350N state Doctor chair support is more than 18...

Страница 15: ...orque 2 65 N M with medical device registration certificate 3 3 21 light curing machine with medical device registration certificate 3 3 22 Interface traffic of hand piece is adjustable adjust the range of 28L min to 40L min 3 3 23 Dental Unit meets the general requirements of dental treatment machine YY T1043 2004 in 5 3 3 24 Dental Unit to meets the requirements of dental treatment machine YY T1...

Страница 16: ...s should put in the safety position 3 8 Cleaning and Disinfection Any exposed part of dental patient chair is easy for cleaning and disinfection will not damage the chair surface and symbol 3 9 Environmental Tests Environmental testing to meets the requirements of climate environment test group II mechanical environment test group II GB T14710 2009 Transportation test to meets the requirements of ...

Страница 17: ...hen to take all the standard accessories out and check it as following Item Name QTY Unit Remark Operating Light box Operation Light 1 Pc Ornament Ring 1 Pc Halogen Lamp 1 Pc Socket hand wrench 1 Pc Assembly Tool Operation Light Arm Box Light Pole 1 Pc Light Pole Ornament Ring 1 Pc Light Arm 1 Pc Light Arm Ornament Ring 1 Pc Accessory box Strong Suction Aspirator Tube 1 Pc Weak Suction Aspirator T...

Страница 18: ...6 30 1 8 6 Pc Backup Cuspidor pipeO type ringΦ5 0 1 5 6 Pc Backup Gargle deviceΦ2 5 1 8 10 Pc Backup Rubber gasket 6 Pc Paper document specification 1 Pc Quality Certificate 1 Set qualification 1 Pc 4 1 3 Installation Environment The device should be set in a place as followed Figure 2 The Installation Position ...

Страница 19: ... connection power is complied with specification of nameplate at the back of dental unit CAUTION DO NOT BEND THE POWER WIRE TO AVOID DAMAGE OF POWER WIRE DO NOT PUT ANY HEAVY STUFF ON THE POWER WIRE TO AVOID DAMAGE OF POWER WIRE DO NOT USE OTHER POWER WIRE TO AVOID DAMAGE OF DENTAL UNIT DO NOT TRY TO ADD THE POWER WIRE TO AVOID ACCIDENT AND RISK WRONG WRONG RIGHT Set Chair and Junction box CAUTION...

Страница 20: ... MOVE THE CHAIR PLEASE HOLD THE BALANCE ARM TO AVOID ANY HURT DO NOT LIFT THE BALANCE WHEN YOU MOVE THE DENTAL CHAIR 4 3 Fixed Dental chair We suggest you to set the chair with a stationary type Use 6mm anchoring to fix the dental chair in suitable place Please follow the picture A Figure 4 the bottom plate fixed position of the machine ...

Страница 21: ...duct box and tray can be positions on both sides of the dental chair As shown in Figure 4 below the machine can be rotated after you press the button at the same time Figure5 Exchange position of left and right operation Note If the dental chair base without the fixed case and tray can not be rotated to the same side that is for avoid the dental chair rollover ...

Страница 22: ...loor can use laid floor note and the surrounding floor between the seal and prefabricated geosyncline interlayer cloth duct erection piping the box position in the range of 200 200mm The power wire should be 2mm2 3 wires with protecting bushing soft line leaving power wires should more than 400mm Figure 6 Pipes layout Pipes Ground Clearance Name Specification Ground Clearance Comment Water Input P...

Страница 23: ...d column fix the stand column with screw and mount the light arm in position Be careful to avoid damage wire Unscrew the screws on cold light lamp connect the dock connector between light arm wires and cold light lamp wires and insert the cold light lamp into light arm fix with screw Figure 5 4 8 Cuspidor Assembly Mount the cuspidor on the cuspidor holder to insert the cuspidor wash tube then to s...

Страница 24: ...arm joint 2 rotating arm 3 M12 35 inner six angle screw 4 M10 16 fastening screws 5 connecting seat 4 10 Handpiece and 3 Way Syringe Assembly Connect the instrument tray tubes with the hand piece and 3 way syringe And ensure that as following A The connection ports are not leaking or leaning B The hand piece should be fixed with the bur before starting to work with it c The 3 way syringe should be...

Страница 25: ...tely stop the chair s movement If there is anything left underneath press foot control or rising button on control panel to raise the chair and take the object out As long as you exert pressure on the emergency stop plate the chair will not fall down 5 3 Operation Panel The operation and position setting of the dental chair are realized by the procedural keys on the master panel and assistant pane...

Страница 26: ...ckrest up down key to adjust the chair and backrest to needed position 2 press Position 2 and Setting key at the same time to get set 3 From then on every time you press Position 2 the chair and backrest will back to the setting position automatically 4 Ⅲ Position 3 1 press chair up down key and backrest up down key to adjust the chair and backrest to needed position 2 press Position 3 and Setting...

Страница 27: ...y other key 14 Operation Light Press this key to turn on off the operation light 15 X ray viewer Press this key to turn on off the X ray viewer 16 Power Light This light is on when the dental unit is plugged in It is off when the unit is without power 17 Setting Light This light is on or blinking when the dental unit is under set 18 Heating Light This light is on or blinking when the unit is under...

Страница 28: ...ster panel and assistant panel 5 5 Chair Movement During the movement of chair or backrest it will stop automatically by pressing any key chair backrest related Chair backrest in the process of running tap any key movement related the system automatically stops running Gargling position regardless of the position of the backrest by pressing Gargling key the position of chair stays the same and the...

Страница 29: ...tion it can help the doctor to make the operation successfully and make the patient more comfortable 5 6 2 1 Headrest Height The slide bar can make the headrest adaptable to different patients To raise or lower the headrest you just need to pull the joystick to the top and adjust the headrest to the required position by hand then press the joystick down to the bottom to fix the headrest CAUTION WH...

Страница 30: ...e counterclockwise to reduce friction 5 6 3 Armrest The design of armrest gives considerations to both you and your patient If the patient wants to sit down get up he just needs to pull the armrest out to get it unlocked and then rotate it forward backward to the get up sit down position To relocate the armrest please raise it to the standard position 1 standard position 2 get up sit down postion ...

Страница 31: ...3 Headrest Cushion To remove headrest cushion you need to locate the headrest well first so you can touch the two screws on its back Loosen the screws and remove the cushion Caution Do not remove the screws or make the backup plate slide down from the locating device Or the brake device would be scattered To reinstall the headrest cushion you need to locate the headrest well first Put the cushion ...

Страница 32: ... not flow well when using Spittoon Rinsing function please check if the water filter has been jammed To check or replace filter elements you need to switch the ball valve to closed position then rotate the filter cover take out the filter element to clean or replace While installing new filters please pay attention to the water inlet of that filter Caution If the filters are installed inappropriat...

Страница 33: ...sure or anti clockwise to reduce pressure 5 Air pressure release valve is used for net bottle and the air pressure should be 200kPa 5 6 5 4 Gravity drainage outlet and exhaust port Gravity drainage outlet is connected to the indoor wastewater discharge system for processing dental unit wastewater and residue 5 6 6 Net Bottle The unit is equipped with a water cleaning system Water used for handpiec...

Страница 34: ...switch 5 7 2 Air water Pressure Adjustment Underneath instrument tray there are regulate valves to adjust pressure of driving air cooling air and cooling water Rotate the regulators clockwise to reduce and counter clockwise to increase 1 HP Cooling Air 2 HP 1 Driving Air 3 HP 2 Driving Air 4 HP 3 Driving Air 5 Scaler Cooling Air 6 HP 3 Cooling Water 7 HP 2 Cooling Water 8 HP 1 Cooling Water 5 8 3 ...

Страница 35: ... box you just need to insert them to the handles The saliva ejectors begin working while being putting down from the machine After using high suction the dirt will be left in the filter net please clean it or the high suction will be jammed Please remove the filter net as follow Pull out the filter cover and then you can see the filter net Pull out the filter net clean it up and put it back Make s...

Страница 36: ...y The cushion can be cleaned and sterilized with leather cleanser and medicinal alcohol Do not use strong oxidant 6 2 Saliva Ejector The saliva ejector should be cleaned on the very day it is used Put it into a vessel containing 2 3 liters clean water and make it work under the water to clean the dirt 6 3 Handpiece Please refer to the handpiece manual Use steam sterilizer set 121 C 0 1MPa 30min to...

Страница 37: ...ser Yearly Lubricating the joint with oil Qualified service personnel Check the movement and operation Qualified service personnel As Required Change the filter User Clean the pipes User Sterilize the hand pieces and 3 way syringe User 7 2 Clean Filter There are filter nets in water pipes air pipes and high low suction pipes Please clean them as requested in case of being jammed 7 3 Common Malfunc...

Страница 38: ...pressure of handpiece is too low Handpiece bearing failure Abrasion or loose of burr Handpiece tube is jammed Air leakage from the pipe of handpiece Adjust the working air pressure Replace the bearing Get a new burr and clip it tight Discharge the bearing assembly and clear the handpiece tube Replace the handpiece shell 6 Water leakage from 3 way syringe s button Abrasion of O type gasket Replace ...

Страница 39: ...f filter reducing valve 12 Operation light doesn t work The bulb is damaged Loose contact of operation light connecting line Loose contact of operation light switch Loose contact of outgoing line of transformer in junction box Replace the faulty bulb Find the loose contacting position Replace the operation light switch Reconnect the outgoing line or replace the transformer 13 Chair position can t ...

Страница 40: ...ty and deal with in compliance with the environment standards The maintenance of this dental unit should be done by our authorized professional servicemen or it could be damaged while maintaining privately In that case it will no longer enjoy the warranty service Before operating this unit please read carefully this operation book And the operation must be done by well trained professionals dentis...

Страница 41: ...se cut off the power immediately and contact with the agent or authorized service personnel for further help Cut off the power if you do not use the unit for a long time Do not open any console during working CAUTION PLEASE READ ALL THE CAUTIONS AND WARNNINGS CAREFULLY TO ENSURE CORRECT OPERATION OF THE DENTAL UNIT WARNNING IF YOU IGNORE THIS ESSENTIAL INFORMATION IT MAY CAUSE FIRE OR ELECTRONIC A...

Страница 42: ...e unit Fix the dental treatment table to the seat cushion and place the operation light in the middle position above the unit Make sure the treatment table and operation light are fixed well Move the whole unit onto the truck and fix the stop pin well to add stability Avoid strike violent vibration and moist during transportation Transportation requirement is in accordance with the order contract ...

Страница 43: ... and rules the manufacturer should be responsible for repairing and replacing spare parts or unit within two years Manufacturer and its dealers are responsible for the repair of dental units which are out of warranty at reasonable charges The users will be responsible for the repair charge for damages caused by dissembling the unit without being allowed by our company The usage life of this dental...

Страница 44: ...Delivery Unit Operation Manual REV A Page 43 of 45 Appendix 1 Electronic and Pipeline Diagram Electric Diagram A B C D A Instrument Tray B Assistant Console C Control Box D Junction Box 1 Power Line 2 3A Fuse ...

Страница 45: ...re Socket Heating Signal Line AC220V 9 Six core Socket AC24V X ray Viewer 10 Switch for handpiece and chair interlocking 11 Mater Panel 12 Assistant Panel 13 solenoid Valve for Spittoon Rinsing 14 Solenoid Valve for Gargling 15 Low Suction Switch 16 High Suction Switch 17 Low Suction Generator 18 High Suction Generator 19 Operation Light Line 20 Program Controller 21 Transformer 22 Foot Control ...

Страница 46: ...t Bottle F 2 Heater F 3 Low Suction Handle F 4 High Suction Handle F 5 Blow Regulating Valve F 6 Return air Damping Bottle F 7 Duplex One way Valve F 8 Membrane Valve F 9 Water Regulating Valve F 10 Pressure Meter F 11 Air Switch F 12 Air controlled water valve F 13 Foot Control F 14 Water Filter F 15 Pressure Regulating Valve for Net Bottle F 16 System Pressure Regulating Valve ...

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