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SERVICE MANUAL Bel-Cypher TAKARA BELMONT U.S.A., INC.

1. No Drawing No Part Name Quantity 0101 977 79024 03 Motor PK564AN TG20 0102 408 09683 Gear Small 0103 308 03385 Gear Large 0104 308 03302 Boss B 0105 408 07104 Key 0106 923 92004 08 Fine U Nut FUO7SC 0107 930 0001 7 04 Bearing 6007ZZ 0108 308 03359 Boss 0109 308 03360 Axis Suspension 0110 308 03352 Base 0111 408 09671 Pillow Block 2 0112 408 11348 Shaft 0113 931 03004 07 Linear Ball Bearing LM 13 0114 408 09672 Bearing Holder 0115 931 5001 1 Ball screw 0116 408 09670 Nut Holder 0117 408 09673 Mounting Plate 0118 408 11351 Shaft Holder B 0119 408 09667 Shaft Holder A 0120 932 41003 06 Coupling NB 08 0121 977 79021 05 Motor PK545 NA 0122 408 09669 Motor Bracket 0123 408 09679 Motor Base 0124 978 60004 04 Photo micro sensor EE SX672 2 0125 408 11350 Sensor Bracket B 2 0126 408 11350 Fin 0127 978 60004 07 Photo micro sensor EE SX672 0128 408 09678 Sensor Bracket A 0129 075 08003 03 Noise Filter ESD R 38D 0130 975 00003 03 Noise Filter GT215J 0131 408 08757 03 NF1 Board Assy 0132 408 11782 Bracket 0133 965 85012 09 Circuit Protector NRF 110 154 0134 9965 85012 99 Circuit Holder 0135 974 80061 01 Switching Power Supply PM110 14A 0136 977 79023 01
2. WARNING To avoid damages to equipment measuring instruments etc and electric shock turn off power of equipment and take extra care not to short circuit with other circuit when connecting lead wire of measuring instrument to a circuit within the equipment during repair work WARNING To avoid damages to equipment measuring instruments etc and electric shock be sure to turn off power of equipment and use the parts specified by us when replacing machine parts and electric parts of the equipment WARNING To avoid X ray exposure due to carelessness be sure to install lead plate for X ray protection on X radiation aperture of X ray generator when radiating X rays during repair work WARNING Be sure to use positioning attachment specified for each exposure mode when positioning patient Bel Cypher 02 157 02 WARNING Be sure to make patient and nursing attendant to wear X ray protective clothing Nursing attendant in this sentence means a person allowed by doctor WARNING Be sure to operate X ray exposure switch from outside of X ray room WARNING Operator must instruct patient not to move while X raying WARNING Watch patient nursing attendant and equipment constantly while X raying and release X ray exposure switch immediately if you find something abnormal WARNING Contact the dealer you purchased from
3. Replace CPU Board Confirm connection between CPU YES Board and each Laser Marking Projectors Refer 09 2 12 1273 Replace laser beam that doesnt lit Bel Cypher B02 T157N 06 6 6 Unable to Irradiate X rays Is Red LED on Inverter Board Confirm connections between Inverter Board and X Ray generator CN4 1 CN4 2 CN4 3 FO F1 22 Confirms connection of wire harnesses connectors on CN6 line Inverter Board and CPU Board Secure connections Are wiring connections on Inverter Board OK Check the Fuse F1 on Inverter Board NO Replace Inverter Board Secure connections YES 09 4 122202 YES At the Ready condition check the incoming voltage between 1 amp 3 pin on CN3 Is incoming Voltage OK A Replace Fuse Replace CPU Board YES 09 2 12413353 NO At the Ready condition does D15 lit up 09 6 12 302 At the Ready condition does 24Vac come on both ends of D3 on power Board5 YES 09 2 124140 Check wire harness between CPU Board and Power Board 5 Replace Power Board 5 Maintain wirings of Incoming AC Lines Does K C relay on CPU Board work at the Ready Condition YES Check Incoming AC Lines check connectors on AC Lines YES Check the voltage between CP 13 CPCG on CPU Board Voltage should be 60kV 3 00Vdc
4. 2 Tube Temperature Error Follow the Trouble Shooting 6 4 Tube Temperature Error Unable to irradiate X Ray 3 Y Axis Motor Error Follow the Trouble Shooting 6 3 Y axis Doesn t Move 4 Rotation Motor Error Follow the Trouble Shooting 6 2 Arm doesn t rotate 50 X Ray Switch Error Follow the Trouble Shooting 6 7 Exposure Switch doesn t work 6 Communication Error between PC and Main CPU Follow the Trouble Shooting 6 8 Communication Error between PC and Main CPU Board Bel Cypher 02 157 Adjustment of Tube Current Preheat level can be adjusted by RV1 Adjusting Resistor on Inverter Board Adjusting Method Hit Hold CTL ALT T to get into Test mode Click Rest on PC Screen Click Ready on PC Screen 1 2 3 Set Exposure conditions as Panorama Adult 70 8 4mA 4 5 Confirms wave shown on the oscilloscope Connect probes of storage oscilloscope to CP12 and CPCG on CPU Board Adjust RV1 on Inverter Board to change preheat level 07 To rise preheat turn the knob to CW direction If Inverter Error occurs turn the knob to CCW direction 6 When adjustment is completed hit amp hold CTL ALT T to get out from Test mode PH is not enough Too much PH Adequate PH Scale 100ms DIV at horizontal line 1V DIV at vertical line 4 After adjustment is done confirm voltage is set within ranges Measuring Point Between CP12 amp CPGG on CPU Board Measuring P
5. Exposure Control Manual X ray Tube D 052SB made by Toshiba Corp X ray Tube Focus 0 5x0 5mm Total Filtration Exposure Mode 2 5mmAl minimum Adult Panoramic radiography Child Lateral 4 sections Adult Panoramic Bitewing Child Exposure Time 10 sec 4 6 sec Panorama Panoramic Bitewing TMJLateral sections 4 2 5 sec X4 Magnification 1 2 101 3 1 2 to 1 3 Panorama Panoramic Bitewing TMJ Lateral 4 sections 1 2 Beam for Patient Positioning 3 beams Dimensions mm W 906xD 1 126xH 2 200 Weight Bel Cypher Approx 364lb 165kg BO2 T157N System Requirements Temperature 5 35 C Humidity 30 85 Pressure 700 1060 hPa Storage Environment Temperature 10 60 C Humidity 10 95 Pressure 700 1060 hPa Transportation Environment Temperature 10 60 C Humidity 10 95 Pressure 700 1060 hPa Bel Cypher 02 157 05 EQUIPMENT COMPONENTS Block Diagrams 4 BASIC INSURAT ION r PROTECTIVE EARTH PROTECTIVELY EARTHED amp PARTS i ENCLOSURE DOUBLE INSURATION Bel Cypher 05 i X RAY TUBE ASSEMBLY i PROTECTIVELY EARTHED METAL PARTS H ROTATION ORIGIN B02 T157N 06 6 TROUBLESHOOTING 6 1 Unable to Turn On Power Follow No if problem is not reso
6. Measuring Equipments 1 Digital multi meter 2 Oscilloscope 3 Lead wire for measurement 4 Insulation resistance meter 5 X ray detecting paper 6 Scale 3 Tools 1 Phillips head screwdrivers Large size and small size 2 Flathead screwdriver Small size insulated type 3 Box drivers for M3 4 5 6 screws 4 Hexagonal wrench a set of wrenches 5 Nipper 6 Long nose pliers 7 Electric soldering iron insulated type solder 8 Taps for thread 9 Tap handle 10 Electric drill 11 Drill 12 Crimp tool for crimping terminal 4 Jigs for Adjustment 1 Test piece for Bel Cypher Lead plate with thickness of 3mm or more for X ray protection Brass plate filter I Aluminum filter with thickness of 35mm X ray detecting paper 5 Repair and Service Parts 1 Depending the contents of repair please prepare necessary boards parts wire harness etc 6 Other 1 Depending the contents of repair please prepare screws nuts crimping terminals grease etc 2 Alcohol for disinfection 3 Cloth 4 Clearing solvent Bel Cypher B02 T157N 04 04 SPECIFICATION Product Name Panoramic Radiograph Model Name Bel Cypher Power Voltage 120Vac 60Hz Power 1 5KW High Voltage Generator High frequency inverter system 100kHz X ray Tube Voltage 60kV 80kV 1kV step X ray Tube Current 2 to 8mA 1mA step
7. when scraping this equipment WARNING After completing repair work be sure to turn OFF power for safety CAUTION When X raying patient after completing repair work take extra care for patient safety when positioning patient CAUTION Damage etc inside X ray generator cannot be repaired on site Depending on service personnel s judgment the equipment will be returned to factory for repair or replacement Bel Cypher 02 157 02 WARNING Responsibility for managing the use and maintenance of medical equipments lies with the user hospital or clinic This equipment must be used by doctor or qualified person only As repair or check inside equipment involves risks contact the company you purchased from WARNING When earthquake warning is issued do not use this equipment After an earthquake be sure to conduct maintenance check of the equipment and confirm no abnormality before use Default of the check and or confirmation can harm patient WARNING Be sure to set up X ray examination room and install the equipment body in the X ray examination room WARNING Do not place anything that can be an obstacle within the range of equipment movement WARNING X raying and approach to equipment must be done under the responsibility of user when repairer patient or nursing attendant allowed by doctor has a pacemaker etc WARNING Be sur
8. 0 02V 70kV 3 50V dc 30 02V Replace CPU Board 80kV 4 00V dc 30 02V 09 6 12 302 B Check the voltage between CP14 CPCG on CPU Board Voltage should be 2mA 0 80 dc 30 10V 4mA 2 00Vdc 0 20V 3 00Vdc 40 30V Replace CPU Board 8mA 4 00V dc 30 40V 0 6 12 3023 Replace Inverter Board Replace X Ray H ead 09 4 12 202 09 4 22013 Remarks A If fuse is replaced always check B When part is replaced always confirms Tube current and feedback voltage of X ray tube Bel Cypher B02 T157N 6 7 Exposure Switch doesn t work Replace CPU Board Does LED D22 on CPU Board lit up YES Keep on pushing ON OFF of an Exposure switch Check with Multi Meter Replace Exposure Switch Secure connections of wire harness and connectors Confirm connection between Exposure switch and CPU Board Bel Cypher B02 T157N 6 8 Communication Error between PC and Main CPU Board NO Secure connection of Wire harnesses and Connectors between Confirm connection CPU Board and PC Replace CPU Board Repair PC Bel Cypher 06 B02 T157N 07 7 RESPONSE TO ERROR MESSAGE When an error occurred in the equipment the error message appears on the PC Screen Take a measure to resolve the error 1 Inverter Error Follow the Trouble Shooting 6 6 Unable to Irradiate X rays
9. 0306 408 09709 Secondary Slit 0307 408 11356 Holder 0308 108 01246 Sensor Cover 1 0309 108 01246 Sensor Cover 2 Bel Cypher 02 157 09 4 Sliding Unit Bel Cypher 02 157 09 Drawing No Part Name Quantity 0401 408 09712 Laser marking projector Assy 0402 308 03373 Laser marking projector Assy 0403 408 11322 Power Switch Assy 0404 308 03919 Frame 0405 408 09723 Fixing Plate 0406 408 11343 Mirror 0407 108 01243 Sliding Unit Cover 0408 408 06102 01 Strain Relief Bel Cypher B02 T157N 5 Chinrest Assy Bel Cypher 09 B02 T157N 09 No Drawing No Part Name Quantity 0501 208 02035 Handle Grip 0502 308 02320 01 Head holding Assy Right 0503 308 02320 02 Head holding Assy Left 1 0504 308 02321 01 Year rod Assy Right 0505 308 02321 02 Year rod Assy Left 0506 308 03083 Bite fork 0507 408 05861 Bite fork 0508 408 06085 Holder 0509 408 06071 Knob Bel Cypher 02 157 09 6 Stand Bel Cypher B02 T157N 09 No Drawing No Part Name Quantity 0601 308 3597 Counter Weight Assy 0
10. 602 408 09665 01 Wire Assy 0603 408 10412 Bracket 0604 308 03596 Pulley Assy with Lock 0605 408 09756 Top cover 0606 964 50055 Exposure Switch 0607 408 09863 Flange 0608 208 02043 Free Standing Base 0609 942 40002 17 Hole for anchor 2 Bel Cypher 02 157 10 covers WARNING High voltage is applied to some parts inside the equipment Before beginning repair work turn OFF the power of equipment and unplug from electrical outlet After unplugged the equipment wait for 10 minutes or more before starting a repair work Take extra care when removing the 10 Specialized knowledge experience and special measuring instruments are required to check this equipment To maintain the performance of equipment please perform daily check with eyes and implement periodic maintenance by dealer service personnel Check Item Electricity Condition Appearance and Indication Installation Environment Operation Test Safety Test for Electric Shock Bel Cypher Dental X ray Equipment Maintenance Check List Purpose of Check Check power supply voltage range 1 Appearance of equipment 2 Inside of equipment Temperature humidity gas Levelness of equipment Floor and equipment stabilizing condition Check obstacles Rust development condition Operation test before check Operation test after check Insulation resi
11. B02 T157N SERVICE MANUAL Panoramic Radiograph Bel Cypher SAFETY INSTRUCTION TO SERVICE PERSONNEL e Be sure to read this Service Manual before starting repair work e Be sure to keep this Service Manual handy while performing repair work TAKARA BELMONT U S A INC Bel Cypher 02 157 Before Starting Repair Work Please be sure to read this Service Manual before starting repair work and fully understand the contents Some repair works involve risks in adjustment confirmation etc So be very careful about the safety when performing such works The repair works shall be performed by a qualified personnel or a person who completed the training specialized in repair at our company Bel Cypher 02 157 5 1112 A DENN 92 WARNINGS AA 02 1 6____ 03 PREPARATION FOR REPAIR WORK nn 08 11 94 SPECIFICATION 04 1 2 __ 05 EQUIPMENT SETTINGS 05 1 1 413 06 13 __ 07 RESPONSE ERROR MESSAGE 07 174 __ 08 PRINTED CIRCUIT BOARD LAYOUT DRAWING sun 08 12 __ AA 0971 17 __ ANS 10118 11 CONTACT INFORMATION 11 1 86 6 BO2 T157N 01 01 INTRODUCTION 10 Before starting repair work be sure to read Operation Manual of the equipment The operating procedure of panoramic radiography forms the basis of all operations So become fully familiar with its procedure before taking other radiograph Be sure to observe the warnin
12. Check exposure time Bel Cypher Symbol Checking Method Check with eyes e Check by using measuring instruments etc Check by operating the equipment 02 157 11 CONTACT INFORMATION Please contact our sales office or a distributor near you Belmont Equipment A Division of TAKARA BELMONT USA Inc 101 Belmont Drive Somerset NJ 08873 Toll Free 800 223 1192 Toll Free Fax 800 280 7504 www belmontequip com TAKARA COMPANY CANADA LTD 2706 South Sheridan Way Mississauga Ontario Canada L5J 2M4 Toll Free 800 268 5351 Fax 905 822 6203 www takarabelmont ca Bel Cypher 11
13. Driver SD5107P 0137 408 11345 Bracket 0138 408 09680 Bracket 0139 408 09551 CNI Board 0140 408 11364 Power Board 5 Assy 0141 937 38026 10 Spacer BSF655 0142 108 01244 Rotation unit cover 1 0143 108 01245 Rotation unit cover 2 Bel Cypher 2 Arm Section High Voltage Inverter side Bel Cypher 09 B02 T157N 09 Bel Cypher No Drawing No Part Name Quantity 0201 208 02025 X ray generator Assy 0202 974 80052 00 Inverter Board 0203 075 08003 01 Line Filter 0204 408 07867 Fan Bracket 0205 942 60019 04 Fan 109R 109R0624H402 0206 942 60013 03 Fan Guard FG6B 0207 408 11368 Fixing Plate for Front Panel 0208 408 11366 Shielding Tube 0209 408 07408 Filter 0210 408 11365 Shielding lead 0211 308 03924 Tube 0212 408 11367 Mask 0213 208 02141 Head Cover 2 0214 208 02142 Head Cover 1 0215 961 00020 54 Thermal Guard OHD3 55B B02 T157N 3 Arm Section CCD Sensor side Bel Cypher 09 B02 T157N 09 No Drawing No Part Name Quantity 0301 988 50013 CCD Sensor 0302 408 10713 CPU Board Assy 0303 308 03920 Laser marking projector Assy 0304 408 11361 Logo sheet 0305 208 02138 Frame
14. e to use positioning attachment specified for each exposure mode when positioning patient WARNING Be sure to make patient and nursing attendant to wear X ray protective clothing Nursing attendant in this sentence means a person allowed by doctor WARNING Operator must instruct patient not to move while X raying Bel Cypher 02 157 02 WARNING Be sure to sterilize and disinfect equipment portions touched by patient or operator after X raying and at daily closing time WARNING Contact our sales office near you when scraping this equipment WARNING After using equipment be sure to turn OFF power for safety WARNING Keep everyone out of X ray room except repairer when radiating X rays for repair WARNING To avoid equipment failure do not rotate arm by hand WARNING Keep patient unmoved until arm reset operation completed after X raying CAUTION Take extra care for patient safety when positioning patient CAUTION Take extra care for patient safety when moving sliding unit up and down CAUTION Do not look straight at positioning laser beam for your safety Also give this caution to patient and nursing attendant Bel Cypher B02 T157N 03 03 PREPARATION FOR REPAIR WORK 1 Manuals e This Service Manual on Bel Cypher e Operation Manual on Bel Cypher 2
15. ecially be sure to comply with the instructions following the signal words DANGER WARNING and CAUTION NOTE In this Service Manual the meanings of signal words are defined as follows DANGER Indicates a direct risk that is predicted to result in death or serious injury serious property damage such as total loss of equipment and fire if you do not avoid it WARNING Indicates an indirect risk that is predicted to result in death or serious injury serious property damage such as total loss of equipment and fire if you do not avoid it CAUTION Indicates a risk that has a potential to result in minor injury or moderate injury partial damage of equipment and extinction of computer data if you do not avoid it NOTE Indicates helpful information in using this equipment Bel Cypher 02 157 02 DANGER Liquids on this equipment will cause electric shock accident or equipment damage This equipment is electric equipment Keep liquids away from this equipment DANGER Shock hazard This equipment is electric equipment and has some high voltage portions inside Turn off the power of equipment and unplug power cable from electrical outlet before opening cover of equipment for repair work DANGER Some repair works involve risks Only qualified or trained persons may do repair works DANGER Some repair works involve risks Service personnel m
16. gs and prohibited matters in the body of this Service Manual strictly Read this Service Manual from the beginning in the order it is written If you read from the middle of this manual and do the repair work it may cause an accident breakage of this equipment etc due to an incorrect repair work If you find any unclear point during a repair work read this Service Manual again to check about it and restart the repair work Exemption from Responsibility Be sure to observe the contents of Service Manual The accident and breakage of this equipment due to an incorrect repair work are out of the scope of our responsibilities Warranty Period for Equipment The warranty period is three years from the date of purchase The charge free warranty will be applied only to the cases where breakage failure etc of this equipment occurred through normal use Available Period for Repair Parts and Service Parts The repair parts and service parts are available for 10 years after discontinuing this product The disinstallation and disposal of equipment are within the scope of responsibilities of the customer In the case to disinstall the equipment consult with the dealer you purchased from or with us Bel Cypher 02 157 02 02 WARNINGS WARNING When you perform a repair work read this Service Manual and follow its instructions If repaired wrongly it may cause a breakage of the equipment or an accident Esp
17. lved YES Check Fuse F 1 F2 on the rotation Unit Replace F use NO Refer 09 2 124133 YES Unplug Power code Measure the resistance value between CP1 CPGG Does resistance Check the resistance value of each line that exceeds 100 ohm by value exceed 100 ohm NO Refer 09 4 123023 disconnecting connector on CPU u F1 on CPU Board Replace CPU Board Refer 09 4 12 302 Check the voltage between CP1 amp CPGG Replace CPU Board 24Vdc on CPU Board Refer 09 4 123023 Check connection between Switching Power Supply Unit and CPU Board Replace Power Board 5 NO Refer 09 2 12 140 Replace Switching Power Supply Unit Refer 09 2 1241355 Bel Cypher B02 T157N 6 2 Arm doesn t rotate Check the Structure of Rotation Mechanism NO Refer 09 1 12 Check the connection of wires and connectors between motor sensor and motor board Refer 09 2 12 Check the movement of photo micro sensor Is the surface of a sensor clean NO Refer 09 211241272 Check the resistance value between two pins BK BL BL RD RD OR OR GN amp GN BK Areresistance values Replace Rotation NO Refer 09 2 12 101 Replace CPU Board Refer 0 2 12 1365 Refer 09 6 12 3023 Replace Rotation Pulse Motor Board Bel Cypher B02 T157N 6 3 Y axis Doesn t Move YES Check ball screw on Y axis Adjust ball screw NO Refer 09 2 1241155 Check the connection
18. of wires 6 and connectors between motor Secure connections sensor and motor board NO Refer 09 2 12 Check the movement of photo micro sensor Is the surface of a Yes Clean the surface of a sensor clean sensor Or replace a NO Refer 09 2 1241245 Check the resistance value between two pins BK BL BL RD RD OR OR GN amp YES GN BK Areresistance values Replace Rotation M otor NO Refer 09 2 12 121 Replace Pulse Motor Board for Replace CPU Board Y Axis Refer 09 2 124136 Refer 09 2 12412753 Bel Cypher B02 T157N 6 4 Tube Temperature Error Unable to irradiate X Ray YES Does LED D14 on CPU Board lit up NO Refer 09 6 12 302 Confirm the connection between CN4 and 14 pin on CPU Board NO Refer 09 6 12 302 Replace CPU Board YES Secure connections Wait till Tube Temperature cools down Measure Tube Temperature Refer 09 4 12 201 Replace Thermal Sensor Refer 09 4 122153 Bel Cypher B02 T157N 06 6 5 Positioning Beam Doesn t Lit Unplug Power code Measure the Check the resistance value of each resistance value between CP4 CPCG YES line that exceeds 500 ohm by on CPU Board Does resistance value disconnecting connector connected to exceed 500 ohm Laser Marking Projector NO Refer 09 2 12412753 Check the voltage between CPA amp CPCG 43 5Vdc on CPU Board Refer 09 2 1243127
19. oint Between CP11 amp CPGG on CPU Board Tube Voltage Tube Voltage Tube Current Tube Current Measured Voltage Vdc 1 040 1Vdc 2 040 1Vdc 3 040 1Vdc 4 040 1Vdc Measured Voltage Vdc 3 0 0 1Vdc 3 5 0 1Vdc 4 0 0 1Vdc Bel Cypher 02 157 08 8 PRINTED CIRCUIT BOARD LAYOUT DRAWING 1 Overall View The printed circuit board assemblies are housed in the portions shown in the drawing Rotation Unit X Ray Generator Control Unit CCD Sensor Bel Cypher 02 157 08 1 1 Rotation Unit S B02 T157N Be 1 2 Arm Section High Voltage Inverter side High Voltage Inverter Board 08 B02 T157N 1 3 Arm Section CCD Sensor side BOA RD 08 Be 02 157 Bel Cypher B02 T157N 08 1 4 Sliding Unit SW BOARD Bel Cypher 09 Sn Se E LUN ie PX al is gt D I 2 0 69 64 69 4 en B02 T157N 09
20. positioning mechanism Check operation of protection circuit Check operating condition indicator Check irradiation of X ray and the indication are in sync X ray tube housing Low voltage cable Irradiation cone Filter Slit Plate Collimator Rotation and movement of X ray generator Movement of arm Patient positioning mechanism Positioning Beams Wire rope Braking mechanism Electromagnetic lock Upward and downward movement condition X ray tube voltage X ray tube current Exposure time Contents of Check Check the voltage of power supply circuit Check the operating waveform and setting values of control circuit Check operation of operation sequence Check deterioration of the positioning mechanism Check the setting values and operating condition of protection circuit Check the circuit function to indicate the operating condition Check the operation of indicator during X ray irradiation Check leakage of insulating oil Check wear flaw tension and twist Check looseness deformation and damage Check coming off and damage Check off alignment of irradiation field and irradiation width Check slip abnormal sound and stopping accuracy Play looseness operationality and stability Check the brightness and positioning accuracy Check breaking of wire and end portion Check the movement Check smoothness of movement Check X ray tube voltage Check X ray tube current
21. stance Leaked current from the outer cover Earthing resistance Resistance of earthing wire Maintenance by service personnel 1 or 2 times year Contents of Check Check the compatibility between the power supply voltage connected to the equipment and the specified voltage for the equipment a Deformation flaw nameplate b Cautions Check defacement and dust Check the compatibility of environmental ambient of the place where the equipment will be used Check the effect on the equipment Check vibration and movement stability of the equipment Check that there is no obstacle within the movement range of the equipment Check the condition of rust development functional safety Check operating condition of the equipment Check operating condition of the equipment Check resistance between power line and the earth Check the current leaking from the outer cover of the equipment to the earth Check the resistance between exposed metal portion of the equipment and the earthing point Check the resistance between the earth terminal of the equipment and earthing point Method B02 T157N Check Item Operation Accuracy of Equipment Indication during X ray irradiation X ray Generator Radiographic Mechanism Elevating Mechanism X ray Output Purpose of Check Check operation of power supply circuit Check operation of radiographic circuit Check operation of operation circuit Accuracy of
22. ust give instructions to outsiders to stay away from repair work area WARNING Do not make alterations to medical electronics equipment Alterations by user are prohibited Also relevant pharmaceutical affairs law imposes following regulations on manufacturers That is medical equipments need item specific approval for manufacture and application for partial modification approval is required when making functional changes in medical equipments So unauthorized alterations are prohibited WARNING Radiation Protection in Dentistry Comply with the contents of each clause regarding protection against radiation exposure prescribed in relevant medical regulations when installing and using dental X ray equipments WARNING This equipment for radiograph can cause hazard to service personnel if safe exposure conditions and how to use are not complied with Bel Cypher 02 157 02 WARNING Be sure to sterilize equipment portions to be touched by patient or operator before starting repair work After completing the repair work sterilize equipment portions touched by service personnel WARNING While repairing do not place anything that can be an obstacle within the range of equipment WARNING To avoid damages to equipment measuring instruments etc and electric shock service personnel must not remove covers of equipment except when necessary

SERVICE MANUAL Bel-Cypher TAKARA BELMONT U.S.A., INC.

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