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SYSM-660-1
Operation Manual
for
Dental Unit
MODEL: L1-660C & 670C
Shanghai LinkGold Medical Instrument Co., Ltd
Release Date:October ,2007
SYSM-660-1
Comments and Feedback
Thank you for taking the time to use the Operation Manual for Dental
Unit L1-660C and L1-670C . We would appreciate any feedback or
comments you have about this document. Please mail, email, or
phone us with your comments. You can reach us at:
Shanghai Linkgold Medical Instrument Co., Ltd.
Address: No. 26, Chngkang Road, Shanghai, China
Zip Code: 200443
Tel: +86-21-29422163
Fax: +86-21-51561729
E-mail: [email protected]
European representative:
Lotus Global Co., Ltd.
47 Spenlow House Bermondsey London SE16 4SJ
SYSM-660-1
C O N T E N T S
Identification of Symbols 1Classification of Equipment (EN-60601-1) 1Environmental 1Electromagnetic Compatibility 2Flammable Gasses 2About This Document 21.About L1-660 and L1-670 dental unit 31.1. External dimension of equipment 31.2 Equipment installation 31.3 parameters 41.4 Power On/Off Button 41.5 Activate Handpiece 51.6 Handpiece Lockout 51.7 Air/Water Coolant 51.8 Water System 61.9 Foot Control Touchpad 61.10 Touchpads 62. Operation 72.1 Status Icon 72.1.1 Water supply setting of rinsing water 72.1.2 Time setting of spittoon washin 72.1.3 Heating of rinsing water 82.1.4 Water supply of spittoon washing 83. Installation and Maintenance 83.1 Pipeline layout 83.2 Connection of air pipe and water pipe 83.3 Maintenance Cleaning and Asepsis 93.3.1 Handpiece 93.3.2 Water filter 93.3.3 Relief valve of air filtration 93.3.4 Saliva ejector and suction 93.3.5 Other 104. Disposal of equipmentSuction filter 105. Failure diagnosis 116. Warranty 127. Customer Service Handpiece 128. Water/Air schematicsOther 149. Electric wiring 1510. Packing List for L1-660/L1-670 16
SYSM-660-1
Identification of Symbols Table1 symbols
Symbols Description
Type B applied part
Attention, consult accompanying document
~ Alternating current
Protective earth (ground)
SN Serial Number
IPX7 Protected against the effects of temporary
immersion in water
compliance with the Medical device directive
93/42/EEC
Manufacturer Name and address
European representative
Manufacture date
Classification of Equipment (EN-60601-1)
Table2 Classification of Equipment
Type/Mode Classification
Types of shock protection CLASS I EQUIPMENT, TYPE B APPLIED PART
Degree of protection against
Water ingress ORDINARY EQUIPMENT except the foot switch(IPX7)
Mode of operation CONTINUOUS OPERATION except the dental chair
(CONTINUOUS OPERATION WITH INTERMITTENT
LOADING: 5% duty cycle)
Environmental
Table 3 Environmental Specifications
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Temperature/Humidity Specification
Storage and Transportation :
Temperature: -40℃ to 55℃
Relative Humidity: 93% maximum
Range of the atmospheric pressure 500 hPa～1060 hPa
Working conditions:
Temperature: 5℃ to 40℃
Relative Humidity: 80% maximum
Range of the atmospheric pressure 860 hPa～1060 hPa
Electromagnetic Compatibility
This equipment has been tested and found to comply with the limits for medical devices in
EN60601-1-2. These limits are designed to provide reasonable protection against harmful
interference in a typical medical installation. Please contact Shanghai Linkgold Medical
Instrument Co., Ltd. Customer Service if you have any questions.
Flammable Gasses
Not suitable for use in the presence of a flammable anesthetic mixture with air, oxygen, or
nitrous oxide, where such gasses may accumulate in concentration (closed space).
About This Document
Welcome to read the Operation Manual for the operation of Dental Unit (L1-660B/C and
L1-670B/C). This guide provides an easy-to-use source of technical information for operating
and maintaining your L1-660B/C and L1-670B/C Dental Unit .
Before using the L1-660B/C and L1-670B/C Dental Unit , make note of all cautions and
warnings. Read the component descriptions, and become familiar with the locations of
features and controls.
This document contains the following information:
•Module descriptions
• Feature descriptions
• Adjustments
• Maintenance tasks
Intended Audience This guide is intended for doctors and dental staff.
SYSM-660-1
1. About L1-660C and L1-670C dental unit
Model: L1-660C and Model: L1-670C dental unit are suitable for the diagnosis,
treatment and operation on oral disease. Model: L1-660C/L1-670C are both fully computer
controlled system treatment equipments designed by our company according to
ergonomics principle with complete function. As for its operation of complete machine, its
fully automatic operation is all controlled by the function key of microcomputer. It is
composed of multifunction dental complex treatment unit, electric dental chair and dentist
chair. It adopts low voltage DC motor and features with simple structure and convenient
operation. Water input hose (ID): 10mm – hose fitting 1/2"
Input water pressure: 200 – 400Kpa (Tap water)
Air input hose (ID): 10mm – hose fitting 1/2" Input water pressure: 550 – 800Kpa (Oil-free Anhydrous and Clean)
Drain pipe (ID): 4mm
Input power: 230v – 50Hz 800VA
1.1 External dimension of equipment To ensure its normal operation and safe movement, please refer to Figure.1 and keep
enough space for clinical use.
Figure.1
1.2 Equipment installation Preparation before installation ( Figure.2)
According to the layout of consulting room, the lighting conditions and the convenience for
use, confirm the position of the ground box and the position of the whole equipment in
accordance with Figure.4and the form of ground box.
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Figure.2
1.3 Parameters
Table 4 Feature descriptions Minimum height between seat cushion and floor ≤460mm
Maximum height between seat cushion and floor ≥760mm
Backward angle of backrest ≥60°
Up and down sliding stroke of Head rest 120mm
Dental
chair
Maximum load 135kg
Operating light Illumination
Color temperature
8000Lux～15000Lux
3000K～6500K
Negative pressure of Saliva ejector ≥27kPa
Negative pressure of high vacuum aspirator ≥35kPa
High handpiece speed, torque ≥300000r/min, ≥0.06N﹒cm
Low handpiece speed, torque ≥14000r/min, ≥1N﹒cm
Treatment
unit
Delivery tray maximum ≤10Kg
High handpiece air 023Mpa~0.26Mpa handpiece
Low handpiece air 0.30Mpa~0.32Mpa
For recommendation, please use handpiece made by W&H or NSK. Which are in compliance with standards ISO 2001 or CE.
1.4 Power On/Off Button (Figure.3) The delivery system have the power on/off button, on the chair.
Press the power on/off button once to turn the power on. Press the button again to turn the
power off.
NOTE Please shut off the power before replacing the safety fuse: F5Ax250V
Φ5mmx20mm
SYSM-660-1
Figure.3
NOTE The power on/off button must be on for the dental unit to function.
To prolong the life of your equipment, turn the power off when it is not in use.
ELECTRICAL WARNING Switch the branch circuit breaker off prior to the servicing of
the
dental unit. 1.5 Activate Handpiece
The handpieces automatically activate when you lift a handpiece from its holder or pull the
Continental whip forward. Press the foot control to operate the activated handpiece.
1.6 Handpiece Lockout
When a handpiece is removed from the holder and the foot control is pressed, the chair
does not operate.
1.7 Air/Water Coolant Each handpiece is set for independent on/off operation. When you withdraw a handpiece
from its resting position, air and water coolant will be activated. An icon displays on the
screen to indicate ctivation.(Figure 4)
Figure 4
The water coolant button operates as a three-way switch with the toggle on the foot control.
The system defaults to the last setting selected for each individual handpiece position.
Figure 5
(A) turn drive air (B) drive air (C) barometer (D
The L1-660 and L1-670 dental unit and regulate air a
A
C
B
) water (E)
nd water to
D
air
opera
E
te dental handpieces,
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syringes and ancillary devices. You can adjust the delivery system water coolant flow, air
flow and drive air pressure (Figure 5).
1.8 Water System
The L1-660 or L1-670 handpiece water system sed of distilled water.
1.9 Foot Control
C A
B
Figure 6
(A) Chip Blower/Accessory Button; (B) Wet/Dry Toggle; (C) Foot Control Disc
• To turn the water coolant off, use your foot to flip the toggle.
• To turn the water coolant on, flip the toggle again.
NOTE On a deluxe touchpad the wet/dry toggle operates as a three-way switch with the
air
and water coolant buttons.
1.10 Touchpads
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
KGOLD上 海 林 戈
复 位
LIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
复 位
上 海 林 戈KGOLDLIN
The touchpad centralizethe controls of the dental unit ( Figure 7). Some touchpad buttons
have indicators to alert you if the operation is functioning.
Figure 7
Touchpad Controls
SYSM-660-1
The following table describes the function of each button:
Table 5 Touchpad Button Identification.
Icon Description
Chair Rising
Chair Descending
Bend Backward
Bend Forward
Reset
Setting
Heating
Mouth Rinsing
Spittoon
2. Operation
2.1 Status Icon
The logo"shanghai linkgold" on the touchpad indicates the status of the system:
• A solid blue logo indicates normal operation and power is on.
• A blinking blue logo indicates the chair stop plate or the cuspidor limit switch has been
activated. Remove any obstructing objects. The icon should return to solid blue.
2.1.1 Water supply setting of rinsing water
a. Press down set button , gently press down “SET”, the setting state starts when
the indicating light is on.
b. Press rinsing water button , starts to supply water, stop pressing when the water
in measuring cup reaches anticipated water level, stops supplying water.
c. Press set button again, setting is over, computer will memorize and store, therefore,
once press the rinsing water button, it will automatically supply water with such amount
when it is used in the future.
2.1.2 Time setting of spittoon washing
a. Press down set button , gently press down “SET” and the indicating light is on.
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b. Press spittoon washing button , it starts to fill water into spittoon. When it reaches
the required and set time, press , again and the setting is over. Computer will
memorize and store, therefore, once spittoon washing button is pressed tenderly, it will
automatically wash till the set time when it is used in the future.
2.1.3 Heating of rinsing water
The unit has the automatic isothermal water heater. Please operate as the following to
get hot water. Press the heating button of water heater, the indicating light beside
button will be on, and then the water heater will heat automatically till the
isothermal state. To close this system, please press this button again, and the indicating
light beside button will be off.
2.1.4 Water supply of rinsing
Press rinsing water supply button to supply water and it will be closed automatically
when it reaches preset water amount.
2.1.5 Water supply of spittoon washing
Press water supply button of spittoon washing to supply water automatically and it
will be closed automatically when ti reaches preset time of water supply.
3. Installation and Maintenance
The installation of officers for professionals.
3.1 Pipeline layout (Figure.8
Power supply
Drainage pipe1-1/2”
water（air）pipe
Figure.8
3.2 Connection of air pipe and water pipe (Figure.9)
SYSM-660-1
Water input(Φ8mm×1) Blue) Air input (Φ8mm×1) transparent
Figure.9
3.3 Maintenance Cleaning and Asepsis 3.3.1 Handpiece
Handpiece is a delicate device, so it shall not be pounded or dropped. It shall be cleaned
and lubricated with special detergent and lubricant every day. As for the specific method,
pleace refer to the instruction manual of handpiece provided by they manufacturer.
Clean the surface of dental drill with alcohol cotton.
Blow it with clean lubricating oil for 2-3s.
Wrap it with sterilization package.
High-temperature steam sterilization(135,15min,220KPa)
3.3.2 Water filter The unit has water filter to ensure its normal use.After serving a certain time,the dirt will block
the filter core and affect the water flow,therefore,it is necessary to clean and replace the filter
core. The filter core shall be cleaned and replaced under any of the following conditions:
It has been used for over half a year.(Depend on the local water quality).
The extracted water becomes turbid suddenly.
The specific cleaning method is as follows: open the ground box cover first, counterclockwise
rotate and dismount water filter cover to remove filter core. Clean it with the ultrasonic or
neutral detergent, wash it with tap water thoroughly after cleaning and then mount water filter
cover. The water filter can stop the inpurity of water, clean the filter core for every three months.
3.3.3 Relief valve of air filtration Drain the water when:
It is used for over one week.
The water in filter cup accounts for three-quarter of volume.
The color of water in filter cup changes turbid .
3.3.4 Saliva ejector and suction Besides the maintenance of their exterior cleanness, the cleanness of interior pipeline
system of saliva ejector and suction still need to be maintained. The method of cleaning
pipe system is as follows: regularly pump clear water or special sterilized water about 30s
SYSM-660-1
with recommended 1 or 2 times every day.
3.3.5 Other a) 3-way syringe tip: high-temperature steam sterilization(135°C,15min,220KPa) .
b) Dental chair: clean and sterilize it with leather detergent and medical alcohol.
4. Disposal of equipment
Please follow the local environmental protection laws and regulations for the dispose of this
unit.
5. Failure diagnosis
NO Symptom Cause Solution
1
When it is used frequently, the
dental chair doesn’t operate
suddenly,while the control system
under normal operation.
The motor is overheated
and stops operating. After stopping for a while, It could
continue to operate properly.
2
The saliva ejector or high
vacuum aspirator leak
automatically.
The mounting position
of rack valve changes.
Open the rear cover of rack,adjust
the front and back mounting
position of rack valve until it stops
When putting down the instrument
and operates when taking up the
instrument.
3 The suction of saliva
ejector and high
vacuum aspirator is small
or without suction.
1.The pressure of tap
water is too low.
2.The water filter is
blocked.
3.Pressure of supply gas
Is too low.
4.Negative pressure
Generator is blocked.
5.The pipeline and joint
leak.
1. Install supercharge water
pump if the water pressure
is too low.
. Clean the water filter and
Replace filter core.
. Adjust supply gas pressure
To 0.5MPa.
. Dismount and wash
negative pressure
generator ,remove the
blocking.
5.Check the pipeline and joint.
4 No water in handpiece. 1.The jet hole of
handpiece is blocked.
2.The water filling switch
of foot control air
switch isn’t open.
3.The water regulating
valve of handpiece
isn’t open.
1.Dredge the jet hole of
handpiece.
2.Shift the water filling switch
of foot control air switch to
the right.
3.Open the water regulating
Valve of handpiece and
adjust it properly.
5 The handpiece isn’t
powerful or doesn’t operate.
1.The operation air
pressure of handpiece
Is too low.
1.Adjust the operation air
pressure of handpiece
according to instruction
SYSM-660-1
2.The bearing of
handpiece is damaged.
3.The dental bur is worn
or isn’t clamped tightly.
4.The pipeline of
handpiece is blocked.
5.The air pipe inside
handpiece leaks.
manual.
2.Replace the bearing of
Handpiece.
3.Repiace with a new dental
bur and then clamp the
dental bur tightly.
4.Dismount bearing assembly
and dredge the pipeline of
handpiece.
5.Replace the housing of
handpiece.
6 The button of three-way
syringe leaks.
O-ring is worn or aging. Replace O-ring and add
Silicon grease oil to lubricate.
7 The three-way syringe
doesn’t sufficiently spray
vapor.
1.The water-pipe and
air-pipe of three-way
ssyringe is connected
oppositely.
.The water of three-way
syringe is too strong or
the air is too weak.
1. Exchange the water-pipe
with the air-pipe of three-way
syringe.
. Adjiust the water and air of
three-way syringe.
8 Rinsing water and spittoon
washing water are too few
or without water.
1.The water pressure is
too low.
2.The water filter is
blocked.
3.Pressure of supply gas
is too low.
4.Electromagnetic valve
doesn’t work.
5.The connecting wire
and connector don’t
contact properly.
6.The circuit board
breaks down.
7.The control keyboard
doesn’t contact properly.
1.Install supercharge water
pump if the water pressure
is too low.
2.Clean the water filter and
replace filter core.
3.Adjust supply gas pressure
to 0.5MPa.
4.Replace the damaged
electromagnetic valve.
5.Find out the contact failure
position of connecting wire
and reconnect it.
6.Replace defective circuit
board.
7.Replace control keyboard.
9 The treatment unit doesn’t
operate.
1. Thepower plug isn’t
properly plugged or
doesn’t properly contact.
. The power fuse is
blow-out.
. The transformer of
ground box is damaged.
. The power switch is
broken.
1.Replace power plug or
outlet.
2.Find out the reason of
blow-out first and replace
power fuse.
3.Replace the transformer of
Ground box.
4.Replace power switch.
SYSM-660-1
10 No water in treatment unit The water filter is blocked.
Water pipe is pinched.
Clean filter core.
Remove the pinching source.
11 There is water spraying out
from the air.
1.The joint of handpiece
Isn’t screwed tightly.
2.The filter relief valve is
full of water.
1.Screw the joint of
handpiece tightly.
2.Discharge the accumulated
water inside filter relief valve.
12 The operating light isn’t on. 1.The bulb of operating
Light is broken.
2.The connecting wire of
operating light doesn’t
properly contact.
3.The switch of operating
light doesn’t properly
contact.
4.The lead wire of ground
box transformer doesn’t
properly contact.
1.Replace a new bulb.
2.Find out the defective
connection position.
3.Replace the switch of
operating light.
4.Reconnect the lead wire of
ground box transformer or
replace the transformer of
ground box.
13 The chair doesn’t operate,
while its sound indication is
normal and other buttons
are under normal operation.
1.The relay contact
doesn’t contact properly
or the coil is broken.
2.The motor is broken or
the connecting wire is
disconnected.
1.Clean the relay contact or
replace a new relay.
2.Find out the disconnect
position,reconnect or replace
the motor.
6. Warranty Shanghai linkgold all products against defects in materials or workmanship for one year
from time of delivery. shanghai linkgold’s sole obligation under the warranty is to provide
parts for the repair, or at its option, to provide the replacement product (excluding labor).
The buyer shall have no other remedy. All special, incidental, and coincidental damages are
excluded.
Written notice of breach of warranty must be given to shanghai linkgold within the warranty
period. The warranty does not cover damage resulting from improper installation or
maintenance, accident or misuse. The warranty does not cover damage resulting from the
use of cleaning,
disinfecting or sterilization chemicals and processes. The warranty also does not cover light
bulbs. Failure to follow instructions provided in the shanghai linkgold Instructions For Use
(operation and maintenance instructions) may void the warranty.
No other warranties as to merchantability or otherwise are made. For service information,
contact your local authorized shanghai linkgold dealer.
CAUTION Restricts this device to sale by or on the order of a dentist, physician, or
any other practitioner licensed by the law of the state in which he or she practices to use or
order the use of this device
SYSM-660-1
7. Customer Service
For service information, contact your local authorized dealer or manufacturer.
Any optional non shanghai linkgold attachments and/or accessories must comply with EN
60601-1 and EN 60601-1-2.
Specifications are subject to change without notice.
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8. Water/Air schematics
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9. Electric wiring
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10. Packing List for L1-660C/L1-670C
No. Description Quantity Remarks
01 Dental unit 1
02 3-way syringe 2
03 High Sunction 1
04 Saliva ejector 1
05 Dental light 1
06 Doctor’s chair 1
07 1/2*φ8mm connector 2
08 Fusion 2 F5Ax250V
Φ5mmx20mm
