Siemens Basic 100 Mobile X-Ray
Contents
1. 86 0 237 0 296 90 320m4 20 0 003 0 004 0 005 0 006 0 007 0 010 0 012 0 019 0 025 0 031 0 040 0 050 0 062 0 078 0 100 25 56 100 300m4 0 003 0 004 0 005 0 006 0 008 0 010 0 013 0 021 0 026 0 033 0 043 0 053 0 066 0 083 0 106 33 66 110 204m4 0 004 0 006 0 007 0 009 0 012 0 015 0 019 0 024 0 030 0 039 0 049 0 063 0 078 0 098 0 122 0 156 96 0 245 0 308 0 392 120 141m4 005 0 007 0 009 0 011 0 014 0 017 0 022 0 028 0 035 0 044 0 056 0 070 0 092 0 113 0 141 0 177 0 226 0 283 0 354 0 446 125 126m4 WN 0 008 0 010 0 013 0 016 0 020 0 026 0 032 0 040 0 050 0 063 0 079 0 103 0 127 0 159 0 198 0 254 0 317 0 397 0 500 SECT ON 1 Doc 7761 Page 12 of 14 SERV CE MANUAL GENERAL DESCRIPTION SECT ON 1 Page 14 of 14 Doc 7761 Service Manual INSTALLATION Doc 7 62 Page 1 of 10 Service Manual INSTALLATION 1 INTRODUCTION The installation procedure consists of different operations to be carried out in the order shown in the flow chart below Unpacking Electrical CONNECTION ACCEPTANCE TEST The var2. ELECTRICAL Drawing N 01 02 025 027 003259 Doc 7862 Page 2 of 2
3. 2 5 List fuses 9 2 SPARE PARTS 10 SECT ON 4 X Ray settings doc 7764 Introduction 2 LI Dip switch 2 2 ROTATING ANOdE STATOR POWER supply AdjusrMENT 2 2 SEr up procedure 4 21 SERVICE MENU 4 adjustment 6 41 Adjustment set up voltage 6 4 2 Adjustment Of maximum setting safety 6 4 5 Checking Maximum kV setting safety 7 7 Adjustment Of THE filament CURRENT 8 21 Adjustment of CURRENT 9 MAS AdjUSTMENT Adjustment of the battery voltage 12 SECT ON O Doc 7760 Page 3 of 4 Service Manual INDEX 8 Checking THE radiographic PARAMETER 17 8 1 Checking and mAs during radiography 17 9 Centering THE collimator 15 10 Spring Adjustment 16 SECT ON 7 Drawings doc 7765 ANNEX 1 Test SHEET ANNEX 2 117Vac Power supply optional Section O Page 4 of 4 Doc 7760 Service Manual GENERAL DESCRIPTION Doc 7761 SERV CE MANUAL GENERAL DESCRIPTION 1 GENERAL DESCRIPTION 1 1 APPLICATIONS AND USE The equipment is a MOBILE RADIOGRAPHIC UNIT for radiography on X ray film that may be used in different places and situations operating theatre orthopedics intensive care emergency room 2 COMPOSITION 2 1 MOBILE RADIOGRAPHIC UNIT SECT ON 1 Page 2 of 14 Doc 7761 Service MANUAL MOBILE RADIOGRAPHIC UNIT GENERAL DESCRIPIION 1 Transport handle with brake 11 Pivoting wheel front whell 2 Control panel 12 Power supply cable ho
4. 9 6 put the slide 5 on the floor as shown in FIGURE 1 7 unscrew the screws 12 which fix the stand to the packing bracket 13 8 slowly move the mobile unit towards the slide 5 paying attention to the packing bracket 13 9 let the unit move slowly from the slide 5 till its complete positioning on the floor SECTION 2 Doc 7762 Page 2 of 10 Service Manual INSTALLATION Packing position WZ FIGURE 1 LATERAL VIEW P d d Floor position FIGURE 2 VIEW FROM ABOVE Section 2 Page 4 of 10 Doc 7 62 Service MANUAL INSTALLATION 2 2 PACKING WITH CARTON 1 Remove the screws 1 SEE FIGURE 3 which fix the packing carton to the crate pallet 2 2 cut the band 3 3 remove the carton packing from its housing the mobile unit is as shown in FIGURE 1 4 proceed according to the packing with cellophane procedure 2 1 ball FIGURE 3 PALLET WITH CARTON SECT ON 2 Doc 7 62 Page 5 of 10 Service Manual INSTALLATION 2 3 PACKING WITH WOOD CRATE 1 Dismantle the crate cover 1 SEE FIGURE 4 2 remove the crate walls be careful not to ruin the wall 5 that has to be used as slide the mobile unit is as shown in FIGURE 1 Note in the wood packing case the slide 5 is not mounted as shown in FIGURE 1 because it is substituted by the wall 5 previously mentioned 3 proceed according to the packing with cellophane
5. PROCEDURE example with Small focus LP 7 5 kW 150mA 40kV 1600 gt 4 EE iet FIGURE 1 DAC 40 KV ADJUSTMENT Section 4 activate the SET UP procedure select SMALL FIL ADJ adjust the DAC value set until a filament current displayed on the digital voltmeter equal to the one indicated in TABLE 5 for 40 kV 826 is obtained Typical DAC 1600 FIGURE 1 give the X ray command and check that the anode mA are 150 If necessary adjust the SET UP until the desired value is obtained proceed with SET UP adjust the set value of the DAC until a filament current displayed on the digital voltmeter equal to the one indicated in TABLE 5 for 100 kV 716 is obtained Typical DAC 1360 FIGURE 2 give the X ray command and check that the anode mA are 75 if necessary adjust the SET UP until the desired value is obtained proceed with SET UP by selecting LARGE FIL ADJ Repeat the same operations described for SMALL FIL ADJ with 40 kV and 100 kV For the anode and filament current mA values refer to TABLE 3 30 kW and TABLE 4 15 kW according to the power of the machine Exit SET UP 826 mA 1 Ru me EL od lt Page 10 of 18 Doc 7 64 Service Manual X RAY SETTINGS A amp 716 det Ey det Z iF ma FIGURE 2 DAC 100 KV ADJUSTMENT 6 mAS ADJUSTMENT w MEASUREMENTS e Remove the bridge between terminals CP3 1 and CP3 3
6. Page 18 of 18 Doc 7 64 Service Manual DRAWINGS Doc 7765 Page 1 of 2 Service Manual DRAWINGS Ndex Electrical gt 7617 Electronic Group 100 gt 7616 515 Board gt 7748 51 Board gt 7617 SI9 B Board gt 7618 520 Board gt 7619 521 Board gt 7620 S22 Board gt 7621 S2 Board gt 7622 S28 Board gt 7627 529 Board Topographic gt 630 514 Board gt 1672 517 Board 461 51 Board gt 7822 519 Board 46 520 Board gt 457 S2 A Board gt 1401 S22 Board gt 1419 S2 Board gt S28 Board gt 1420 S29 Board Exploded view gt gt SECT ON 7 7166 7862 Mechnical Electrical Page 2 of 2 Doc 776 EXPLODED VIEW Doc 7 66 MECHANICAL N DESCRIPTION CODE NOTE X RAY TUBE HEAD SUPPORT GROUP 01 02 008 012 1 X ray tube head 100KHz s dd e NS 2 S17 X ray tube head Board 01 17 008 002 M 3 Sup carter with flat band 01 02 008 002 ON 49 e 4 Inf carter without flat band 01 02 008 003 gt Light blue goniometer 01 02 014 009 N d Light green goniometer 01 02 010 148 5 6 Brake disk DI 38 5 DE 62 5 01 02 001 108 5 Small X ray tube head handle grey 01 02 008 006 Small tube head handle green 01 02 025 058 8 Distance ring for rotating group 01 02 025 065 X 9 Rotating adaptor R
7. 0 5 s Selected by the processor according to the mAs WORKING FREQUENCY 100 kHz RANGE KV 40 125 Step of 1 kV RANGE MAS 0 5 200 in 25 values A T PILOTAGE Inverter driven by IGBT RIPPLE lt 3 at Max Power TOTAL FILTRATION gt 2 7 mmAI RISING TIME lt 1 ms Section 1 Doc 7761 Page 7 of 14 SERV CE MANUAL GENERAL DESCRIPTION X Ray Tube Head TYPE OF ANODE Rotation with speed 3000 RPM 0 6 mm FOCAL SPOTS 1 3 mm All the other information relevant to the X Ray Tube Head and to the X Ray Tube be found in the X Ray Tube Head Technical Data Sheet Collimator optional SHUTTERS TO MULTIPLE PLANS Parallels and perpendicular with manual movement All the other information relevant to the Collimator can be found in the relative Technical Data Sheet DOS METER MODEL Kermax plus VacuDap 2000 with printer optional ACTIVE AREA 146 x 146 mm 147 x 147 mm MINIMAL RESOLUTION 1 mGycm 1 mGycm MAXIMAL MEASURABLE DOSE 9999 9999 mGycm 9999 9999 mGycm Operating modes ANd functionality INTERFACE USER Polycarbonate flat keyboard with alphanumeric LCD display for all the operative parameters and messages of possible anomalous conditions administrated by a microprocessor OPERATING MODES RADIOGRAPHY Two points techniques kV mAs 40 programmable anatomic technique 20 for LP and 20 for HP X RAY CONTROL Dis
8. 2 of 18 Doc 7 64 Service Manual X RAY SETTINGS 11 DIP SWITCH Here follows the function of the dip switch S22 SWI pins 1 Only factory adjustment 6 Only factory adjustment 2 Only factory adjustment 7 Only factory adjustment 3 ON It doesn t display the name when switched on 8 Only factory adjustment 4 Only factory adjustment 5 ON Small Focus when switched on 2 ROTATING ANODE STATOR POWER SUPPLY ADJUSTMENT Connect an AC voltmeter true RMS if possible with full scale set at 300 V between the TB3 2 and TB3 3 test points of board S21 A fs 300V power supply of the main winding TB3 2 TB3 3 connect the probe of an oscilloscope between IC2 8 and Dz1 Anode of board S20 and prepare the instrument to read a time of 800 ms im take the Radiography Command pushbutton For maximum operator safety at this point it is advisable to temporarily disable the X ray command signal by disconnecting the wire coming from S22 X4 3 m only press the first click of the Radiography Command pushbutton preparation pushbutton m check that the stator is supplied with a voltage of about 230 Vac for approximately 0 8 seconds If necessary adjust this time interval using potentiometer P2 of board 520 m check that once the 0 8 seconds have passed the stator is supplied with a voltage of about 70 Vac If necessary adjust this value by using poten tiometer of board 520 Sect
9. X ray tube model m total number of radiographic exposures total mAs accumulated mas Section 4 Doc 7 64 Page 5 of 18 Service Manual X RAY SHIIINGS 4 KV ADJUSTMENT 4 1 ADJUSTMENT SET UP VOLTAGE The SET KV voltage is supplied by the microcomputer and must be adjusted according to the relationship kV 20 i e 20kV n n n nm m gt gt m 4 2 First of all enter the SET UP procedure following the instructions indicated in the previous paragraph On board S19 B connect the probes of a Vdc digital multimeter between CP1 10 and TP11 gt in Set up select kV ADJ at 40 kV adjust the value until reading of 2 00 is obtained the voltmeter 1 10 11 in SET UP select ADJ at 120 adjust the value until reading of 6 00 is obtained the voltmeter CP1 10 exit the SET UP procedure by using the key then select 100 kV 80 kV and 60 kV checking that the voltage read on the voltmeter is KVse7 20 25 mV ADJUSTMENT OF MAXIMUM KV SETTING SAFETY The maximum parameter value of SET KV under operating conditions must be 6 V corresponding to 120 kV The MAX SET KV safety device intervention is normally set to 130 KV n n Section 4 connect the probes of a Vdc digital voltmeter between test points TP10 7 and TP9 of board S22 turn the system on and use p
10. brakes must be operating and easily applied m SOUNDNESS check that there are no breakages and or damage which might have jeopardised operation and safety of the apparatus The single checking phases are listed below 1 Unit sliding movement B 2 Unit parking brake B 3 Proper Functioning of the antitilting assemblies B 4 Integrity of the Control panel B 5 Integrity and fixing of the carters B 6 Balance of the pantograph arm 4 3 ELECTRICAL CHECKS With regard to the electrical part correct operation of the following must be checked m SAFETY DEVICES m SIGNALS NOTE Remove the carters to carry out the electrical checks The procedure is described below POWER SUPPLY connect the unit to the mains power supply C 2 INITIAL TEST check that the initial automatic test is correct of the unit C 3 SOFTWARE check that the visualization of installed software LOADING check that the switching on the unit appears the increment of voltage on display until 350 V The complete loading of the capacitors battery 15 ready in about 40 45 sec Section 2 Page 8 of 10 Doc 7 62 Service Manual INSTALLATION C 5 DISCHARGING switch the unit off and check the complete discharging of the capacitors battery by means the switching off the LD3 led mounted on 525 board Do not carry out switching the unit On and Off C 6 SET UP DATES IN MEMORY enter on SET UP SEE SECTION 4 3 and check that the SET UP dates are in accor
11. kV 10 mA 2 40 375 799 2 5 50 300 752 3 60 250 733 355 70 214 723 4 80 187 713 4 5 90 166 703 5 100 150 693 5 5 110 136 684 6 120 125 673 Pre switching 448 SECTION 4 Page 8 of 18 Doc 7 64 Service Manual TABLE 5 RADIOGRAPHY 7 5 KW Set kV kV mA Tritament 522 TP10 TP9 on display 519 TP6 TP11 15 CP6 2 V kV 1 V 10mA mA 2 40 150 826 2 5 50 150 771 3 60 125 757 3 5 70 107 747 4 80 93 737 4 5 90 83 727 5 100 75 716 5 5 110 68 706 6 120 62 696 Pre switching 471 5 1 ADJUSTMENT OF FILAMENT CURRENT X RAY SETTINGS NOTE by Filament Current the current which runs through the primary winding of the transformer supplying the power to the filament itself is intended Coolidge Transformer w MEASUREMENTS e To measure the Filament Current connect an ammeter with true RMS reading in series with terminal CP6 2 of board S15 Set the full scale to 1A in AC e to measure the anode mA in RADIOGRAPHY connect the probe of an oscilloscope between test points TP6 and TP11 of board S19 B to display the wave form of the mA reading correspondence is IV 50 mA and between test points TP3 and TP11 of board S19 B to display the wave form of the kV reading correspondence is 20 kV 1V 20kV TP3 11 Section 4 Doc 7 64 Page 9 of 18 SERV CE Manual X RAY SETTINGS m
12. of board S19 B e connect mAsmeter between the above mentioned terminals w PROCEDURE e activate the SET UP procedure e select mAs ADJ and give the X ray command e check that the mAs value on the instrument is really the one set somas 50 mAs Typical DAC 0530 if necessary adjust the SET UP until the desired value is obtained CP3 1 CP3 3 e exit SET UP Section 4 Doc 7 64 Page of 18 Service Manual X RAY SHIIINGS 7 ADJUSTMENT OF THE BATTERY VOLTAGE w MEASUREMENTS e measure the battery voltage connect a voltmeter with true RMS reading between terminals CP2 1 and CP2 3 board S25 Warning presence of 350 Vdc voltage PROCEDURE e activate the SET UP procedure e select BATTERI ADJ e Adjust the Set up until the point in which the battery voltage measure value reaches the battery voltage set value tip 350V e exit SET UP Section 4 Page 12 of 18 Doc 7 64 Service Manual X RAY SETTINGS 8 CHECKING THE RADIOGRAPHIC PARAMETER After having completed the operations indicated in the previous paragraphs 2 4 5 it is necessary to check the values of the signals proportional to the kV and to the mA which come from the INVERTER The tolerance for the kV signal is 5 whereas for the mA it is 15 NOTE If the kV value is not correct it is necessary to repeat the SET kV adjustment NOTE An oscilloscope with two channels is r
13. on 14 Alarm BATTERY FAULT Power Circuit Fault Contact technical service 15 Alarm OVERVOLTAGE BATTERY Battery Circuit Fault Contact technical service 16 Alarm X RAY COMMAND ACTIVE The operator has pressed the radiography command before the system had finished the initial control stage Release the radiography pushbutton and wait until the system is ready 17 Alarm X RAY TUBE TOO HOT It is not possible to begin exposure since the remaining thermal units available are too few Wait for the X ray tube to cool down 18 Alarm WAIT CONNECTION The keyboard does communicate with the unit not Switching the unit off switching it on and repeat exposure 19 Alarm POTTER FAULT only with Potter installed Potter Fault Check the F4 F5 fuses of the Potter power supply and the K3 rel 2 2 REPLACEMENT OF COMPONENTS Replacement of a component can mean the need to carry out checks and adjustments in order to reset correct operation of the radiological unit TABLE 3 shows typical situations where an adjustment is necessary TABLE 3 COMPONENT REPLACED ADJUSTMENT AND CHECKS REFERENCE 15 BOARD Verify mA set up in SETUP SECTION 4 5 S19 B BOARD Check of e mA SECTION 4 5 1 and 8 S20 BoARD Check Run voltage CTION 4 8 2 Check start 800 ms 522 BOARD Ch
14. 0 120 00 AudueaSorpuz 40 00 20 00 100 105 110 115 120 125 40 45 50 55 60 65 70 75 80 85 90 95 kV 35 MA Relationship in Radiography mode kV Oy eic si cE 420 00 320 00 270 00 220 00 00 e e 170 120 110 115 120 125 105 90 95 100 85 80 kV 60 65 70 75 55 50 35 40 45 Section 1 Doc 7761 Page 10 of Service Manual GENERAL DESCRIPTION kV MA Relationship in Radiography mode 20kW 470 00 l l T d l l l l l 4 4 l l f 4 E l l l l l l l l l l l gi Bi ST l l l l l l l l 4 4 l 5 5 Ex en en N Aydeaisoipey 100 105 110 115 120 125 40 45 50 55 60 65 70 75 80 85 90 95 kV 35 SECT ON 1 Page 11 of 14 Doc 7761 SERV CE MANUAL GENERAL DESCRIPTION 32 3 RX EXPOSURE TIME In the following tables the exposure times s associated to kV and mAs are reported Since the apparatus is a device functioning with a two point technique kV and mAs we remind that the values indicated in the table
15. 068 0 085 0 107 0 136 0 169 0 220 0 271 0 339 0 424 0 542 0 678 0 001 0 002 0 003 0 004 0 005 0 006 0 008 0 010 0 013 0 016 0 021 0 026 0 034 0 042 0 053 0 066 0 085 0 106 0 133 0 168 0 213 0 266 0 346 0 426 0 533 50 300m4 0 001 0 003 0 004 0 005 0 006 0 008 0 010 0 013 0 016 0 021 0 026 0 033 0 043 10 053 0 066 0 083 0 106 0 133 0 166 0 210 0 266 0 333 0 433 0 533 m 60 250m4 0 002 0 004 0 005 0 006 0 008 0 01010 012 0 016 0 020 0 025 0 032 0 040 0 052 10 064 0 080 0 100 0 128 0 160 0 200 0 252 0 320 0 400 0 520 m 70 214 A 0 002 0 004 0 006 0 007 0 009 0 011 0 014 0 018 0 023 0 029 0 037 0 046 0 060 0 074 0 093 0 116 0 149 0 186 0 233 0 294 10 373 0 467 0 607 80 187mA 0 002 0 005 0 006 0 008 0 010 0 013 0 017 0 021 0 026 0 033 0 042 0 053 0 069 0 085 0 106 0 133 0 171 0 213 0 267 0 336 0 427 0 534 m 90 166mA 0 003 0 006 0 007 0 009 0 012 0 015 0 019 0 0240 030 0 037 0 048 0 060 0 078 0 096 0 120 0 150 0 192 0 240 0 301 0 379 0 481 0 602 100 150mA 0 003 0 006 0 008 0 010 0 013 0 016 0 021 10 026 0 033 0 042 0 053 0 066 0 086 0 106 0 133 0 166 0 213 0 266 0 333 0 420 0 533 m 110 136mA 0 003 0 007 0 00910 011 0 014 0 018 0 023 0 029 0 036 0 046 0 058 0 073 0 095 0 117 0 147 0 183 0 235 0 294 0
16. 2 Service Manual MIAINTENANCE Doc 7762 Page 1 of 10 SERV CE MANUAL MAINIENANCE 1 ROUTINE MAINTENANCE 1 1 GENERAL RECOMMENDATIONS The radiological system requires regular checks and maintenance The following recommendations have the aim of helping the operator to keep the apparatus in good working and safe conditions during service The system contains mechanical parts subject to wear according to use following prolonged use wear on parts may decrease safety during use For this reason it is essential for the checking and maintenance operations indicated below to be carried out consistently to protect the operators and patients against any damage caused by mechanical breakdowns Correct adjustment of the electrical and electronic systems has a direct influence on the operation of the system on the quality of the image and on the electrical safety of the system as well as on the level of exposure to radiation the operators and patients are subjected to The MAINTENANCE PROGRAMME described in the following paragraphs consists of controls and interventions to be carried out by specialised personnel authorised by the manufacturer All maintenance operations are the responsibility of the owner of the apparatus Should it be necessary to replace components or parts which may in any way condition the safety of the machine only use original spare parts SECTION 2 Page 2 of 10 Doc 7763 Service Manual
17. 367 0 463 0 588 120 125m4 0 004 0 008 0 010 10 012 0 016 0 020 0 025 10 032 0 040 0 050 0 064 0 080 0 104 0 128 0 160 0 20010 256 0 320 0 400 0 504 125 121mA 0 004 0 008 0 011 0 013 0 016 0 021 0 026 0 033 0 041 0 052 10 066 0 082 0 107 0 132 0 165 0 207 0 264 0 331 0 413 0 521 Section 1 Page 12 of 14 Doc 7761 Service Manual TABLE 3 30KW POWER 40 425mA 0 00 0 002 0 003 0 003 0 004 0 005 0 007 0 009 0 018 0 023 0 030 0 037 0 047 0 058 0 075 0 094 GENERAL DESCRIPTION 0 188 0 235 0 305 0 376 0 470 50 400m4 29 0 002 0 003 0 004 0 005 0 006 0 008 0 010 0 020 0 025 0 032 0 040 0 050 0 062 0 080 00 25 57 0 200 0 250 0 325 0 400 60 375m4 09 0 002 0 003 0 004 0 005 0 006 0 008 0 010 0 016 0 021 0 026 0 034 0 042 0 053 0 066 0 085 06 33 0 168 0 213 0 266 0 346 70 355 0 002 0 003 0 004 0 005 0 007 0 009 0 011 0 017 0 022 0 028 0 036 0 045 0 056 0 070 0 090 40 77 0 225 0 281 0 366 80 337m4 20 0 002 0 003 0 004 0 005 0 007 0 009 0 011 0 018 0 023 0 029 0 038 0 047 0 059 0 074 0 094 18 48
18. Basic 100 15 100 20 Mobile Radiographic UN T V Service MANUAL international medical lt ALDO Moro 9 7 24020 SCANZOROSCIATE BERGAMO ITALY T 79 077 66 81 62 FAX 79 0 66 81 66 Service Manual NdEX Doc 7760 Page 1 of 4 Service Manual INDEX GENERAL Index SECT ON Index doc 7760 SECT ON 1 General description doc 7761 I GENERAL description 1 1 Applications ANd use Composition 21 Mobile radiographic unit 2 2 Control panel 2 5 Collimator Technical data 21 Classification of THE APPARATUS 2 2 Technical characteristics 221 Dimensions ANd wtiqrhs 22 2 kV MA Relationship 22 2 RX EXPOSURE T ME SECT ON 2 Installation doc 7762 1 2 INTROCUCTION Unpacking 21 Packing with cellophane 2 2 Packing with CARTON 2 5 Packing with wood CRATE Electrical CONNECTIONS ACCEPTANCE TEST 41 Checking cables and CONNECTORS 4 2 Mechanical checks 43 Electrical checks Section O Valid from 6 June 2004 PAGE OWN N SN O d NN N N O Co N NN ew WN Page 2 of 4 Doc 7760 Service Manual INDEX PAGE SECT ON 2 Maintenance doc 7762 ROUTINE MA NTENANCE 2 General RECOMMENCATIONS 2 12 Frequent checks inspections 2 12 General checks ANd inspections 2 1 4 Cleaning And disinfection 4 2 Special MAINTENANCE 21 TRoublesHOOTING 2 2 Replacement Of COMPONENTS 6 2 5 LIST POTENTIOMETERS 7 2 4 List leds 8
19. CORR MA SECTION 2 Page 8 of 10 Doc 7 67 Service Manual 2 5 LIST FUSES MAINTENANCE BOARD NAME TYPE NOTE LOADING BATIORY r IOA Input power supply protection F3 16A put p pply p INVERTER F6 63A F7 63A Protection Inverter TRI TRANSFORMER Fl 200MA T Protection TRI Transformer TR2 TRANSFORMER F230V 2A T F115V 3 15A T F135V 1A T Protection TR2 Transformer F24V 2A T F12V 10A T POTTER BUCKY 2 Protection Potter Bucky Optional F5V 2A T AUTOTRANSFORMER F10 2A T Protection 115Vac power supply Optional S21 A Fl 10A T Input power supply protection S21 A Board F2 10A T F3 500MA T Protection TR1 Transformer S21 A Board S22 F1 1A T 3 F2 ZAT Protection Bridge Rectifier 24Vac 525 FI 80mA T Input power supply protection 525 Board 529 Fl 200mA T F2 200mA T Protection Bridge Rectifier Group 1 24Vac F3 200mA T 2 F4 200mA T Protection Bridge Rectifier Group 2 24Vac F5 200mA T F6 200mA T Protection Bridge Rectifier Group 3 24Vac F7 200mA T F8 200mA T Protection Bridge Rectifier Group 4 24Vac F9 315mA T Input power supply protection 529 Board SECTION 7 Doc 7762 Page 9 of 10 SERV CE MANUAL MAINTENANCE 3 SPARE PARTS In case of replacing of parts that can be negative for the safety of the machine use only original parts For the list of the spare parts and relati
20. MAINTENANCE 1 2 FREQUENT CHECKS AND INSPECTIONS The operating personnel must be suitably trained to be able to carry out the daily and weekly checks indicated in TABLE 1 The other controls described in this chapter and the interventions described in the following chapters are reserved for qualified and authorised personnel of the technical assistance service TABLE 1 INTERVAL CHECK DAILY Operation of the signals displays and LEDs CHECKS Operation of the stationary brake Integrity of the warning and danger labels WEEKLY Absence of oil leaks from the X ray tube head CHECKS Absence of unusual noises in the X ray tube head during X ray emission 6 MONTHLY Correct operation and the value of the whole earthing circuit CHECKS Power supply voltage value Value of the continuous voltages generated inside the system Fixing and general state dust and corrosion of the boards Centering of the X ray tube head collimator assembly 1 3 GENERAL CHECKS AND INSPECTIONS Every six months and in any case according to local legislation in force the procedures indicated in the ACCEPTANCE TEST REPORT must be carried out completely The results obtained are noted down on the TEST SHEET together with the description of any interventions carried out The checks listed below must be added to those contained on the Test Sheet D 1 Power supply voltage check D 2 DC power supply check D 3 Protection earth check D 4 Internal earth connecti
21. ND DISMANTLING FIGURE 5 EXPLODED DRAWING OF THE PANTOGRAPH ARM Section 4 Page 16 of 18 Doc 7764 Service MANUAL X RAY SHIINGS If this operation is not sufficient to restore the optimum balanced condition it is necessary to carry out an adjustment on the thrust of SPRING 6 as described below gt gt n n gt remove the front casing of the UNIT loosen the BOOM PIN 3 using a hexagonal spanner taking care of the sudden and unwanted movement of the ARM and X RAY UNIT this brings the Arm in the highest possible position with a second person s help let the arm down till the NUT 8 is accessible in the WINDOW 7 with a spanner 12 mm screw up or unscrew NUT 8 through the WINDOW 7 on the SHAFT WITH SPRING 4 This operation modifies the pre load applied to the COMPRESSION SPRING 6 to check correct balance make sure that the ARM can remain in the horizontal position without any support and loaded with the clutch 3 on completion of balancing put the clutch back to a compression value which although keeping the arm steadily immobile in any position allows easy handling balancing to be checked with the assembled arm carters on completion of the operations replace the casings in their original positions FIGURE 6 SHAFT WITH SPRING Section 4 Doc 7 64 Page 17 of 18 SERV CE Manual X RAY SETTINGS Section 4
22. PERATOR Doc 7 67 Page 2 of 2 EXPLODED VIEW Drawing N 01 02 047 018 007823 522 514 ELECTRICAL N DESCRIPTION CODE NOTE ELECTRONICS GROUP 01 02 047 018 BRI Graetz bridge Semikron SKB 30 16A1 49 06 018 015 Cl Starter 30 uF 450 Power capacitor 49 06 012 035 FAN Fan 80x80x25 230Vac 50Hz 49 06 023 008 F1 Fvent Fuse 5x20 200mA 250V 49 06 022 025 F2 F3 Fuse 10x38 16A 500V GL 49 06 022 003 F6 Fuse Brush 63FE 63A 660 49 06 022 001 FI2V Fuse 5x20 10A 250V 49 06 022 022 F24V F230V Fuse 5x20 2A 250V 46 06 022 013 F135V Fuse 5x20 1A 250V 49 06 022 011 2 0 6 30 01 24Vdc 4kW Contactor 49 06 015 017 K2 A CA6 11M Auxiliary contactor 49 06 015 021 Ll 2 5 mm Filter inductor 01 02 010 195 LF1 EPCOS B84112 B B120 Filter 49 06 030 006 RI R2 ATE RB 106 25E Resister 49 06 011 080 S20 S14 S14 Filter board 01 17 005 005 S15 S15 Filament board 01 17 001 020 S19 B S19 B Inverter board 01 17 008 036 520 520 Starter board 01 17 006 001 S21 A S21 A Rotation board 01 17 003 002 522 S22 Micro board 01 17 010 001 S25
23. Page 7 of SERV CE MANUAL GENERAL DESCRIPTION 2 3 COLLIMATOR COLLIMATOR 50 Collimator light on 53 Retractile meter 51 Adjustment of transverse diaphragm 54 Adjustment of longitudinal diaphragm 52 Rail for filters and accessories Section 1 Page 6 of 14 Doc 7761 Service Manual 3 TECHNICAL DATA 3 1 CLASSIFICATION OF THE APPARATUS CLASSIFICATION EN 60601 15 5 m Type of protection against short circuit CLASS I GENERAL DESCRIPTION w Degree of protection against direct and indirect contact TYPE B m Use conditions CONTINUOUS WORKING WITH INTERMITTENT LOAD mp Unit not to be used in the presence of an inflammable anaesthetic mixture with air or nitrous oxide CLASSIFICATION 93 42 EEC DIRECTIVE w according with Annex IX CLASS IT b 3 2 TECHNICAL CHARACTERISTICS Electrical CHARACTERISTICS SINGLE PHASE VOLTAGE 230 Vac 10 16 A Optional 115 Vac 10 FREQUENCY 50 60 Hz STAND BY WORKING 1 115 2 5 A MAX ABSORBED CURRENT RADIOGRAPHY WORKING 12 A 115 Vac 23 A LINE COMPENSATION Automatic LINE RESISTANCE 4250 Radiological characteristics 17 kW 20 kW LP Low Power HP High Power LP Low Power HP High Power Max POWER 7 5 kW 15 kW 7 5 kW 30 kW MAX CURRENT IN RADIOGRAPHY 150 mA 375 mA 150 mA 425 mA EXSOSURETIME 3ms 1 3s 1 ms 0 6s 3 1 3 s 1 ms
24. S22 2K MAX SETKV Only factory adjustment 2 100K MAX TIME RAD Only factory adjustment 525 5K MAX V CAPACITORS BANK Only factory adjustment S28 20K LCD CONTRAST Only factory adjustment SECTION 7 Doc 7 67 Page 7 of 10 SERV CE Manual MAINTENANCE 2 4 LIST LEDS BOARD LED COLOR NAME NOTE S15 LDI YELLOW 24V LD2 GREEN 15VA LD3 RED SAFETY FIL S19 B LDI YELLOW COM RX LD2 RE AKV MAX LD3 RE KV gt 110 LD4 RE KV MIN LD5 RE LD6 YELLOW 1 LD7 YELLOW 2 LD8 YELLOW PRE RX LD9 GREEN 15V LD10 GREEN 15V 520 LDI YELLOW STARTER ON LD2 GREEN STARTER OK LD3 YELLOW FLUORO PREP N U S22 DLI YELLOW N U DL2 YELLOW N U DL3 YELLOW N U DL4 YELLOW N U DL5 YELLOW N U DL6 YELLOW N U DL7 YELLOW N U DL8 YELLOW N U DL9 YELLOW STARTER OK DLI10 YELLOW PREPKIA DLII YELLOW RAD DL12 YELLOW KV 85 DL13 YELLOW OK DL14 GREEN THERMIC DLI15 YELLOW KV OK DL16 GREEN FIL OK DLI7 YELLOW PRE RX DLI18 YELLOW Rx DLI19 YELLOW PREP K A DL20 YELLOW START POTTER DL21 GREEN 24VA DL22 GREEN 24VA DL23 YELLOW ON OFF DL25 GREEN 24VA DL26 YELLOW CAPACITORS BANK CHANGE DL27 YELLOW CAPACITORS BANK CHARGE DL28 YELLOW Out_WD DL29 YELLOW PREP STARTER DL30 YELLOW FP DL31 YELLOW
25. S25 Capacitors bank loading board 01 17 005 009 SWI Int Aut Multi 9 C60N C16A 2P 49 05 008 002 C1 Starter KO THI Powerblock TT61 N 12 KOF 49 06 021 013 TRI TM 15 24 Module transformer 01 05 001 017 TR2 300VA Tor transformer 01 05 001 026 Drawing N 01 02 047 012 007824 TR3 230 250 330 600VA Tor transformer 01 05 001 016 Doc 7862 Page 1 of 2 EXPLODED VIEW Drawing N 01 02 047 015 007830 C26 C27 Drawing N 01 02 025 018 003302 ELECTRICAL F7 N DESCRIPTION CODE NOTE C26 C27 1500 400Vdc Elect capacitor 49 06 012 079 C29 80A 2 uF 1700 Vdc mkV capacitor 49 06 012 078 F7 Fuse Brush 100 FE 100A 660V 49 06 022 010 L2 5 1 uH 45112 Tor inductor 01 05 003 006 01 02 Tr Siemens BSM 300 120 DLC 49 06 017 025 529 529 Driver board 01 17 008 023 TR4 100kHz Driver tor transformer 01 05 001 018 TAI ENCO 10701 1 500 Amper transformer 01 05 004 002 Doc 7862 Page 2 of EXPLODED Drawing N 01 02 047 016 007831 Drawing N 01 02 047 017 007832 N DESCRIPTION CODE NOTE C1 C20B V 16000 uF 350Vdc Itelcond Elect capacitor 49 06 012 076 R4 RAA R5 R5A IRE RCC 47 Q Resister 49 06 011 088 OS R4A
26. alco mm 18 49 18 002 001 10 Lamp for centering 12V 100W 49 05 012 001 11 Collimator R105 12V 49 18 006 001 KEYBOARD GROUP 01 24 012 015 12 Control Panel Mep en iue customer PIS 13 S28 Keyboard card 01 17 010 002 uS S62 Serial keyboard card 01 17 037 001 14 Double click pushbutton 01 02 003 007 Drawing N 01 02 008 012 003507 P Drawing N 01 24 012 015 003304 PAGE 1 OF 1 ANNEX 1 TEST SHEET Test SHEET The present document has to be filled up by the operator during the ordinary and extraordinary maintenance procedures The indicated procedures are described in detail on the SECTION 2 4 of the equipment s service manual CODE OPERATION REFERENCES NOTES RESULT Power supply cable of the unit A 2 Radiography control pushbutton cable A 3 Connection cable unit X ray tube head B 1 Unit sliding movement B 2 Unit parking brake B 3 Integrity of the control panel B 4 Integrity and fixing of the carters B 5 Balance of the pantograph arm C 1 Check power supply C 2 Check initial test C 3 Check software C 4 Check loading capacitors C 5 Check discharging capacitors Doc 7 67 Page 1 of 2 ANNEX 1 TEST SHEET CODE OPERATION REFERENCES NOTES RESULT C 6 Check Set up dates in memory C 7 X ray tube formation button C 8 Check X ray exposure time UNIT MODEL UNIT SERIAL NUMBER DATE O
27. are merely theoretical and can undergo a variation in relation to the tolerance of the mA TABLE 1 7 5KW POWER 130 200 0 003 0 006 0 008 0 010 0 013 0 016 0 021 10 026 0 033 0 042 0 053 0 066 0 086 0 106 0 133 0 166 0 213 0 266 0 333 0 420 0 533 10 666 0 866 1 066 1 333 50 150m4 0 003 0 006 0 008 0 010 0 013 0 016 0 021 0 026 0 033 0 042 10 053 0 066 0 086 0 106 0 133 0 166 0 213 0 266 0 333 0 420 0 533 0 666 m 60 125m4 0 004 0 008 0 010 0 01210 016 0 020 0 025 0 032 0 040 0 050 0 064 0 080 0 104 0 128 0 160 0 200 0 256 0 320 0 400 0 504 0 640 70 0 004 0 009 0 012 0 01410 018 0 023 0 029 0 037 0 046 0 058 0 074 0 093 0 121 0 149 0 186 0 233 0 299 0 373 0 467 0 588 0 005 0 010 0 013 0 017 0 021 0 026 0 034 10 043 0 053 0 067 0 086 0 107 0 139 0 172 0 215 0 268 0 344 0 430 0 537 0 677 0 006 0 012 0 015 0 019 0 024 0 030 0 038 0 048 0 060 0 075 0 096 0 120 0 156 0 192 0 240 0 301 0 385 0 481 0 602 0 006 0 013 0 017 0 021 0 026 0 033 0 042 10 053 0 066 0 084 0 106 0 133 0 173 0 213 0 266 0 333 0 426 0 533 0 666 0 007 0 014 0 019 0 023 0 029 0 036 0 047 0 058 0 073 0 092 0 117 0 147 0 191 0 235 0 294 0 367 0 470 0 588 0 008 0 016 0 020 0 025 0 032 0 040 0 051 10 064 0 080 0 101 0 129 0 161 0 209 0 258 0 322 0 403 0 516 0 645 0 008 0 017 0 022 0 027 0 034 0 042 0 054 0
28. ding with dates selected SEE SECTION 4 3 TAB 2 C 7 X RAY TUBE FORMATION when not in used the unit for a long time before to use the unit normally carry out the formation of the X ray tube with a serial of exposure using the following dates carry out for each value of kV and mAs 10 exposure and keep a pause of 1 minute between an exposure and another one 40kV gt 100 mAs 50 kV 80 mAs 60kV gt 64 mAs 70kV gt 64 mAs 80 kV 50 mAs 90kV gt 50 mAs 100 gt 40 mAs 110kV gt 40 mAs 120 gt 40 mAs During this formation check with oscilloscope the value of S19 B board Tp11 Tp3 and mA 519 board Tp11 Tp6 on inverter Select the oscilloscope in the following way CHANNEL A 1 V DIV read is equal to 50 mA CHANNEL 1 V DIV 1V read is equal to 20 KV BASE TIME 25ms DIV SECT ON 2 Doc 7 62 Page 9 of 10 Service Manual INSTALLATION C 8 Section 2 In case of kV wave form presents of high voltage discharge or you hear discharge inside X ray tube interrupt the sequence wait few minutes before starting again repeat the initial formation checking that the fuse F7 is interrupted 100A SEE ELECTRICAL DRAW Warning presence of 350 Vdc voltage EXPOSURE TIME check that during exposure time the X ray passage led until the end of exposure the display shows the real exposure time in second SEE SECTION 1 3 2 3 Page 10 of 10 Doc 7 6
29. eck max Set P1 SECTION 4 4 3 Check max exposure time P2 SECTION 4 4 1 and 4 2 525 BOARD Check max voltage of battery SECTION 4 7 528 BOARD Check LCD Display contrast P1 SECTION 7 Page 6 of 10 Doc 7767 Service Manual MAINTENANCE Before effecting the monoblock replacement make the following operations gt for safety purposes add some counterweight on the front part of the unit in order to avoid the possible tilting of the same A gt fasten the pantograph arm to the base of the unit using some ropes to avoid the arm making not required movements due to the loss of weight when the X ray tube head is removed Consult in any case Mechanical Assembly and Dismantling of the present section 2 3 LIST POTENTIOMETERS BOARD POTENTIOMETER VALUE NAME NOTE S15 Pl 5K MANUAL SETI FIL ONLY FOR TEST Only factory adjustment P2 5K Max IFG Only factory adjustment P3 5K Only factory adjustment S17 10K FEEDBACK KV Only factory adjustment P2 10K Only factory adjustment P3 10K FEEDBACK KV Only factory adjustment P4 10K Only factory adjustment S19 B 2K MAX CURRENT Only factory adjustment 2 2K FREQUENCY SET Only factory adjustment P3 2K MA FLUORO OFFSET ADJ N U R66 FEEDBACK MA ADJ Only factory adjustment S20 IK RUN VOLTAGE Only factory adjustment P2 IM START 800MS Only factory adjustment
30. equired for the checks below 8 1 CHECKING KV AND mAs DURING RADIOGRAPHY mp Connect the probe of the oscilloscope as indicated below CHANNEL TP3 TP11 of board 519 REAL TIME BASE 10 ms m If necessary connect the probe of the oscilloscope as indicated below CHANNEL TP6 TP11 of board S19 B mA TIME BASE 10 ms m set the minimum value of the kV 40 425 mA m give the X RAY command and check that the values read on the oscilloscope correspond with those indicated in TABLE 6 FIGURE 3 shows an example of a 100 kV wave form repeat the previous operations setting the kV values to 80 kV and 120 kV both for 15 kW and 7 5 kW powers TABLE 6 30KW kV mAs mA Time s Acceptance range P Set 519 TP11 Set ise Theoretical Theoretical 1V 220 kV 40 38 42 16 14 5 17 5 425 0 037 80 76 84 16 14 5 17 5 337 0 047 120 114 126 16 14 5 17 5 141 0 113 Section 4 Doc 7 64 Page 12 of 18 Service Manual X RAY SHIIINGS TABLE 7 15kW kV mAs mA Time s range Set 519 TP3 TP11 Set a 0 8 Theoretical Theoretical 1V 220 kV rg 40 38 42 16 14 5 17 5 375 0 042 80 76 84 16 14 5 17 5 187 0 085 120 114 126 16 14 5 17 5 125 0 128 TABLE 8 7 SKW mAs mA Time
31. ion 4 Doc 7764 Page 2 of 18 Service Manual X RAY SHIIINGS 3 SET UP PROCEDURE To access the modality of SET UP procedure to follow what underneath reported press the keys of the console indicated to side at the same time m the wording SET UP PROCEDURE will appear on the display x to confirm selection press the key indicated at the side marked with YES whereas to cancel the procedure press the key marked NO NOTE In the Set up procedure the functions for editing the content of the fields shown on the display have been assigned to the keys as indicated below YES 1 TABLE 2 MINIMUM MAXIMUM AND OF DEFAULT VALUES OF SET UP ADJUSTMENT FUNCTION VALUE DIRECTORY FILE MINIMUM MAXIMUM DEFAULT KV40 300 600 380 kV ADJUSTMENT kV120 1000 1500 1190 150 mA 40 kV 1000 2000 1600 SMALL FIL ADJ 7 5 kW 75 mA 100 kV 900 2000 1360 375 mA 40 kV 1000 2000 1690 15 kW 150 mA 100 kV 900 2000 1450 LARGE FIL ADJ 425 mA 40 kV 1000 2000 1750 30 kW 300 mA 100 kV 900 2000 1560 MAS ADJ kV 050 60 mAs 250 1000 530 BATTERY 350 Section 4 Page 4 of 18 Doc 7 64 Service Manual X RAY SETTINGS 3 1 SERVICE MENU When the unit is off pushing both the keys underneath you enter the SERVICE MENU of the unit which subsequently visualizes the following data m name of the device and software version m chosen anatomical program m
32. ious operations indicated are described in detail in the following paragraphs The installation process can only be considered completed after the TEST SHEET regarding the acceptance tests provided with this manual has been filled in NOTE the radiological system is normally pre installed and configured in the factory according to the specific requirements of the customer Certain adjustments may however be necessary when components are replaced The whole machine parameter adjustment procedure is described in detail in this manual SECTION 4 Section 2 Page 2 of 10 Doc 7 62 Service Manual INSTALLATION 2 UNPACKING The radiological system is packed in a single case containing all the parts of the apparatus To unpack the unit proceed as described on the following page according to the type of packing w simple pallet with cellophane SEE 2 1 im pallet with carton SEE 2 2 im wood packing crate SEE 2 3 If necessary follow the unpacking procedure backwards to pack the unit again 2 1 PACKING WITH CELLOPHANE 1 Cut the tape 4 and remove the slide 5 SEE FIGURE 2 remove the protective bag 6 3 unscrew the four self threading screws 7 which fix the anterior wheel fixing bracket 8 4 free the X ray Tube Head fixing brackets 9 from the tie rod 14 SEE FIGURE 2 working on nuts 10 5 unscrew the self threading screws 11 and remove the X ray Tube Head fixing brackets
33. lder 3 Handle for tilting optional 13 Wheels main whell 4 X ray tube head 14 Support for Tilting 5 Lateral goniometer 15 Pantograph arm lock 6 Front goniometer 16 Cassette holder 7 X ray tube head positioning handle 8 Collimator 18 X ray control pushbutton 9 Adjustment of collimator diaphragms 19 Pedal for Stationary brake 10 Rail for filters and accessories SECTION 1 Doc 7761 Page 2 of 14 SERV CE MANUAL GENERAL DESCRIPTION 2 2 CONTROL PANEL 13 A Z amp et Het Fe el 144455 Page 4 of 14 Doc 7761 Service Manual lt kV decrease lt kV increase lt mAs decrease lt mAs increase 10 lt HP LP Power selection 11 4 T 4 Prog lt N of exams memorized in Technique Anatomical EE lt Anatomical Technique Selection 14 Hom lt Collimator light activation 6 g BIG GENERAL DESCRIPTION lt Unit ON lt Unit OFF lt Data storage in anatomical technique lt Potter Bucky selection lt X Ray exposure lt X Ray ready lt Alarm signalling lt Display for Dates and Messages 1 A change of the Power level involves a change of the used focal spot High Power HP Big Focus e Low Power LP Small Focus In the following paragraphs the abbreviations HP and LP will be used SECT ON 1 Doc 7761
34. lease contact the service assistance department TABLE 2 N FAULT NOTED LIKELY CAUSE RECOMMENDED INTERVENTION 1 The unit doesn t switch on on key LED No power supply on input Check Replace the S22 F2 or TR2 switched on F24V fuse The unit doesn t switch on on key LED No power supply on input Check Replace the S22 F1 or Fl switched off fuse on input 2 The apparatus works but does not emit Radiography pushbutton fault Check the Radiography pushbutton rays No alarm on the unit display cable and connector 3 Alarm SUPPLY FAULT 15V or 15V fault of the S22 Check power supply 15 board supply 15VA 24VA voltage on 522 voltage 4 Alarm FILAMENT FAULT 400 Hz power supply absent Check Replace TR2 F130V0 fuse X ray tube filament interrupted Replace the X ray tube head S15 board fault Replace the board 5 Alarm INVERTER FAULT If the indication appears on stand Carry out set up as in Section 4 by Set Up on S22 board faulty 4 2 If the indication appears while Switching the unit off switching it on carrying out X ray faulty on X ray and repeat the X ray power circuit F2 and F3 fuses blown Replace F2 and F3 fuses F6 and F7 fuses blown on the Replace F6 and F7 fuses Power circuit 6 Alarm KV FAULT During a radiograph the effective Switching the unit off switching it on kV are less than 85 of those se
35. on check SECTION 2 Doc 7762 Page 2 of 10 SERV CE MANUAL MAINIENANCE 1 4 CLEANING AND DISINFECTION Products with a high content of alcohol corrosive and or abrasive detergents or solvents must not be used to clean the surfaces of the apparatus To disinfect the system only use methods in compliance with the laws in force regarding disinfection and protection procedures against explosion To carry out the cleaning and disinfection operations take the following precautions turn the system off and disconnect the mains power supply cable w make sure that no liquid gets into the apparatus so as to avoid any short circuits or corrosion of the electrical and electromechanical parts The unit has not to be used in presence of anaesthetic and or infiammable disinfectant and cleaning products If producing explosive gaseous mixture are used make sure that gases are dispersed before switching on the unit SECTION 2 Page 4 of 10 Doc 7 65 Service Manual 2 SPECIAL MAINTENANCE 2 1 TROUBLESHOOTING MAINTENANCE Troubleshooting can be facilitated by the indications given in TABLE 2 which illustrates the most common incorrect operating conditions showing their probable causes In the presence of the following alarms visualized on the display the X ray exposition is disqualified and the console s alarm red led light up In case it is also present after the execution of the suggested intervention p
36. otentiometer P1 until a reading of 6 5 V 0 1 V is obtained Page 6 of 18 Doc 7764 Service Manual X RAY SETTINGS 4 3 CHECKING MAXIMUM KV SETTING SAFETY mp Connect the voltmeter to test points TP10 and TP9 of board 522 m lower the MAX SET safety intervention to 100 adjusting potentiometer P1 until a reading of 5 V 0 1 V is obtained on the voltmeter checking that by setting the kV to a higher value than 100 kV the KV FAULT alarm goes off put the MAX SET KV safety intervention back to 130 kV using potentiometer again until a reading of 6 5 kV 0 1 V is obtained Section 4 Doc 7764 Page 7 of 18 Service Manual X RAY SHIIINGS ADJUSTMENT OF THE FILAMENT CURRENT The following tables indicate the mA anode values associated with the kV and the typical filament currents determined on a sample X ray tube head for 30 kW 15 kW and 7 5 kW power TABLE 3 RADIOGRAPHY 30 KW Set kV kV mA rilament 522 TP10 9 on display 519 TP6 TP11 S15 CP6 2 V kV 10 mA 2 40 425 870 2 5 50 400 817 3 60 375 822 3 5 70 355 803 4 80 337 814 4 5 90 320 806 100 300 795 5 5 110 204 769 6 120 141 753 Pre switching 466 TABLE 4 RADIOGRAPHY 15 KW SetkV kV mA Ikilament 522 TP10 TP9 on display 519 TP6 TP11 S15 CP6 2 V
37. procedure 2 1 a 138 8 91 2 165 2 089 FIGURE 4 WOOD CRATE SECT ON 2 Page 6 of 10 Doc 7762 Service Manual INSTALLATION 3 ELECTRICAL CONNECTIONS The power supply single phase alternate voltage and maximum absorbed current values are reported both on the unit label and on the technical data SEE SECTION 1 3 2 Make sure that the power supply socket is approved for the values reported on the unit label 4 ACCEPTANCE TEST The ACCEPTANCE TEST includes all the control and checking operations listed on the TEST SHEET These operations must be grouped together under three general categories m checking cables and connectors mechanical checks electrical checks Each operation is identified by a code which is then used on the TEST SHEET 4 1 CHECKING CABLES AND CONNECTORS Visually control each cable and each connector checking that there are no interruptions and or crushing A 1 Power supply cable of the unit A 2 Radiography control pushbutton cable A 3 Connection cable between unit X ray tube head Section 2 Doc 7 62 Page 7 of 10 Service Manual INSTALLATION 4 2 MECHANICAL CHECKS The mechanical checks include the following operations w MOVEMENTS all the movements foreseen must be possible without excessive force or jerks w BRAKES all the movement locking
38. s Acceptance range A Set 519 TP11 Set ELON Theoretical Theoretical 220 kV IH 40 38 42 8 7 2 8 8 150 0 053 80 76 84 8 7 2 8 8 93 0 086 120 114 126 8 7 2 8 8 62 0 129 Tek Antepr I 1 00 V 10 0 5 2 2000 0 20 00 16 24 47 FIGURE 3 ACQUISITION OF WAVE FORMS DURING 100 16 MAS 30 KW Section 4 Page 14 of 18 Doc 7 64 Service MANUAL X RAY SHIINGS i maaan PH0 0ms 4 7 400mV 1 00 2 2000 ii 20 00 5 16 26 01 FIGURE 4 ACQUISITION OF THE mA WAVE FORMS DURING RADIOGRAPHY 100 KV 16 MAs 30 KW 9 CENTERING THE COLLIMATOR For any necessary centering of the collimator refer to the TECHNICAL MANUAL of the collimator itself enclosed with this manual Section 4 Doc 7 64 Page 1 of 18 SERV CE Manual X RAY SETTINGS 10 SPRING ADJUSTMENT The BALANCED SUSPENSION system of the mobile unit allows flowing movement of the ARM vertically and therefore of the X RAY UNIT This system has been studied and made to reduce the need for maintenance to a minimum As time passes and due to the continual stresses the balancing system may lose a very small amount of its efficiency It is usually sufficient to adjust the BOOM PIN 3 which acts directly on the CLUTCH DISKS 2 disassemble the arm carters for this operation SEE 3 MECHANICAL ASSEMBLY A
39. t and repeat the X ray fault on the power circuit 7 Alarm mA FAULT During an exposure the mA value Switching the unit off switching it on is lower than the allowed limit and repeat the X ray 8 Alarm THERMIC SAFETY X ray tube head overheated Do not carry out any X rays and wait for the X ray tube head to cool down Breakage of the thermal sensor Replace the thermal sensor located on the X ray tube head and or check the relevant wiring on S22 board 9 Alarm MAN STOP RX During a radiograph with cassette Repeat the radiography the control pushbutton for X ray command has been released early 10 Alarm X RAY LACKING Error in the high voltage generation Switching the unit off switching it on circuit and repeat exposure SECTION 7 Doc 7762 Page 5 of 10 SERV CE MANUAL MAINIENANCE N FAULT NOTED LIKELY CAUSE RECOMMENDED INTERVENTION 11 Alarm MAX TIME The radiography time has exceeded the concurred limit Check that the mA are correct Check the mA reading on board S22 Tp or S19 B Tp6 12 Alarm STARTER FAULT During anode preparation it was not put into rotation Check the fuses on board S21A Check the stator winding of the X ray tube head Fault on board S21 A Fault on board S20 Replace board S21 A Replace board 520 13 Alarm SWITCH OFF FOR MIN Capacitors bank still loads With the unit off wait 1 minute before switching it
40. tance control with double click and extensible cable 24m Filament current MA yin and MA max Maximum exposure time Temperature maximum X ray tube head SAFETY Count thermal units X ray tube head Max kV min kV max AkV max I Anode rotation Microprocessor self test TRANSPORT ANd STORAGE conditions MAXIMAL TEMPERATURE 109C 55 C RECOMMENDED TEMPERATURE 0 C 40 C RELATIVE HUMIDITY 20 90 ATMOSPHERIC PRESSURE 500 hPa 1060 hPa OPERAT NG conditions TEMPERATURE 10 C 40 C RELATIVE HUMIDITY 30 75 ATMOSPHERIC PRESSURE 700 hPa 1060 hPa SECT ON 1 Page 8 of 14 Doc 7761 Service Manual GENERAL DESCRIPTION Mechanical CHaracteristics WIDTH 734 mm LENGHT 1259 mm HEIGHT 1467 mm MIN SOURCE FLOOR DISTANCE 489 mm MAX SOURCE FLOOR DISTANCE 1997 mm MAX RANGE 1091 mm FOCUS MAXIMUM HEIGHT WITH RANGE 1000 MM 1656 mm PIVOTING FRONT WHEEL Q 75 360 MAXIMUM DIFFERENCE IN LEVEL WHICH CAN BE OVERCOME WITH TILTING 25 mm BACK WHEELS DIAMETER 200 MINIMUM DEFLECTING RAY 977 mm WEIGHT 191 kg 115 Vac 205 kg MOVEMENT Manual CASSETTE HOLDER 35X43 4 3 2 1 DIMENSIONS AND WEIGTHS Drawing N 7742 SECT ON 1 Doc 7761 Page 9 of 14 SERV CE MANUAL GENERAL DESCRIPTION 3 2 2 KV mA RELATIONSHIP MA Relationship in Radiography mode 7 2kW 160 00 140 0
41. ve codes to make reference to the SECTION 5 EXPLODED DRAWINGS NOTE When you require spare parts it is necessary to tell the code of the piece and the serial number of the unit too SECTION 2 Page 10 of 10 Doc 7762 Service Manual X RAY SETTINGS Service Manual X RAY SHIIINGS 1 INTRODUCTION The radiological system is fully regulated in the factory it is therefore only necessary to install it in order to use it All the information contained in this section and SECTION 3 of this manual must be used when extraordinary maintenance is necessary In the case of any intervention it is essential for the adjustment operations to be carried out in the sequence indicated In TABLE 1 indicates the potentiometers which do not require any further A adjustments since they have already been regulated and sealed in the factory TABLE 1 BOARD POTENTIOMETER DESCRIPTION S15 Pl Manual Setting of the filament current P2 Maximum current of large focus P3 Maximum current of small focus SIT QC Tay head gt Return of the kV P3 P4 Return of the kV S19 B Maximum current P2 Frequency setting S22 Maximum setting P2 Maximum exposure time S25 Maximum battery voltage NOTE Jumper S19 B J2A and J2B ON safety max set up for rotating anode Jumper S19 B J2A and J2B OFF safety kV max set up for stationary anode Section 4 Page
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