- Frank`s Hospital Workshop
Contents
1. 15 4 2 Alignment of X ray Beam 18 4 2 1 Alignment of Light Field with X ray Field 22 4 2 2 Perpendicularity Adjustment of X ray Beam with Image Receptor 25 4 2 3 Centering of X ray Field and Image Receptor Bucky Assembly 27 4 3 Field Size Indicator Test 28 4 4 X ray Tube or Collimator Replacement 30 4 5 Adjustment of rotation Plate 30 5 RENEWAL PARTS enin beet a ann a 31 6 MANTEINANCE re xr a a a aaa Rede nx 33 7 INTERCONNECTION MAPS 2 een nnn nnn nnn 35 SM 0521R3 i Basic Radiographic System Service Manual SM 0521R3 Basic Radiographic System Service Manual SECTION 1 INTRODUCTION 11 TOOLS The following hand tools are required for the Installation Standard service engineers tool kit Electric drill motor and assorted bits 1 2 PRE INSTALLATION CHECKS Prior to beginning installation it is recommended to inspect the site and verify that the X ray room complies with requirements such as The maximum dimensions and system movements to plan the minimum space required in the room Maximum Height 2500 mm Maximum Width 1550 mm Maximum Length 1340 mm Conduits and walls are ready to install the System Electricity installati2. JORAWOD 10 L0 L 1787 eseud 10je1euec Pedwo 0 0198 Ag 31551 NOlLdlMOS3G WALSAS 548 1v9303S 5 gt ee 90 20 20 zvidv 622 INI 90 20 20 VIOHVO 4 ONIMV40O HO 133HS uva 3WVN SAV pue 159 SNILVTIIOSO 6588 OL SINIdAV AINO LASHS SIHL peeds 30 XX FLOZLW paads JUO 50 XX ZG0 W 9 4 9 2 SON 318VO 318v9 300HLVO P ajon ees 318vO YOLYLS 38NL QNO sisseyo ESLIISL 869 AND 318V9 QNO sisseyo XX 6902V 318VO FJOVIYALNI 22014 NOLLVOINNWWOO xx ereev 41879 Axong DOCLZOZW ener Lo 1SzeW 3 18VO FOVAUELNI O3V xx egzev 719Y9 DIV NOI OLO NI 8 F31I0SNOD d1v NOI LVLdvav 93V DOCLLLEW TIEVI HOLVNITIO9 YOLVYANAD YOLVINITIOS ATAWASSV 371979 XX ZZ91V ATddNS 93201 avoga SH901 40J 88010596 ses V ees 18 5 HOLVHAINIO 5 OVA OAV pue CIS SNILVTIIOSO 548 Joyes
3. Basic Radiographic System Service Manual 4 3 FIELD SIZE INDICATOR TEST Note 7 Before starting with the Field Size Indicator Test the Alignment of X Ray Beam Test the Alignment of Light Field with X Ray Field Test and the SID Indicator Test should be performed Place the Pivoting Arm in vertical position The Tube Collimator Assembly has to be perfectly aligned withthe Receptor Assembly Check with a level correct horizontal position of both assemblies Open the Collimator blades to set a Field Size of 24 x 30 cm for SID 1 4 m Turn on the Collimator Light and center the Collimator in relation to the Receptor Table Top Horizontal and transversal position of the light axes projected by the Collimator Lamp must be in line with the axes or Film Size marked on the Table Top 28 SM 0521R3 Basic Radiographic System Illustration 4 7 X ray Field Size FILM 35x43 cm Service Manual Load on the Cassette Film Tray with a Cassette Film of 35 x 43 cm centered and insert it Make an exposure at 60kVp 1mAs Process film and check the following measurements known refer to Illustration 4 7 a Measure the length of the X ray Field on the Processed Film identified as L b Measure the width of the X ray Field on the Processed Film Identified as W PROCESSED FILM X RAY FIELD SIZE ON THE FILM o 2 m LENTH DIMENSION L With the measurements obtained and
4. Field respect to the X ray Field The maximum misalignment allowed is 2 of SID for SID 1 4m 2 8 cm tolerance Refer to Section 4 2 1 for alignment of Light Field with X ray Field 20 SM 0521R3 Basic Radiographic System Service Manual Check that the X ray Beam 15 perpendicular to the plane of the Image Receptor If the Image receptor is parallel to the Table Top the perpendicularity of the X ray Beam can be checked using the Beam Alignment Test Tool with the Collimator Test Tool Based on next illustration the criteria for SID at 1 4 meter is fthe image of the two balls overlap A the X ray Beam is perpendicular to within 0 50 f the image of the top ball larger shadow intercepts the first circle B the X ray Beam is about 1 5 away from the perpendicular Ifthe image of the top ball larger shadow intercepts the second circle C the X ray Beam is about 3 away from the perpendicular In cases A and B perpendicularity is within tolerance for SID at 1 meter top ball is within or intercepting the first circle The third case C needs readjustment Refer to Section 4 2 2 for perpendicularity adjustment A B Check that the X ray Beam is properly centered with the Image Receptor To determine the center of the Image Receptor draw diagonal lines from corner to corner of the X ray Film Alternately the film can be folded in half and creased at the center The two lines will cross in t
5. mount the Upper Wall Support in its upper part 1 SAFETY SCREWS At least two people are required to perform the next operation Position the column against the wall on its final site in the room While one person is holding up the Column the other one should level it vertically on both lateral sides and on the front Also use the leveling screws at the base of the column Mark its anchoring positions on the wall not to the floor yet Distances shown on Illustration 3 1 may also be taken as reference to mark the anchoring holes position SM 0521R3 Basic Radiographic System Service Manual Illustration 3 1 Drill Template m FOUR WALL MOUNTING HOLES FOR SCREWS 8 mm 1839 FOUR FLOOR MOUNTING HOLES FOR SCREWS 10 mm SM 0521R3 Basic Radiographic System Illustration 3 2 Service Manual Move the Column and prepare the anchorages BEFORE ANCHORING THE UNIT CHECK THAT THE WALL AND THE ANCHORING SYSTEM ARE STRONG ENOUGH 2000 NEWTON TRACTION FORCE TO ENSURE A SAFE INSTALLATION SOME NON BRICK WALLS MAY REQUIRE ADDITIONAL ANCHORAGE INSTALLATION Drill holes and anchor the Wall Support Make sure the Column is firmly anchored and leveled at front sides and base Install the X ray Tube in the Upper Support of the Column using the Collimator Adaptation Ring and its four Safety Screws Allen Before installing the Collimator unscrew the same number of turns the fo
6. on the floor Check leveling again in different sides of the unit and correct if necessary before fixing the unit definitely Anchor the Column to the floor Distances shown on Illustration 3 1 may also be taken as reference to mark the anchoring holes position Snap in the decorative base of the Columm pressing it Turn the system on and check that all controls and movements operate correctly SM 0521R3 Basic Radiographic System Service Manual This page intentionally left blank 14 SM 0521R3 Basic Radiographic System Service Manual SECTION 4 ADJUSTMENTS 41 ADJUSTMENT TOOLS The following special Tools have been used for adjustment of the X ray System these tools are not included with the System Collimator Test Tool Model RMI 16189 Beam Alignment Test Tool Model RMI 162A SID Test Stand Tool Inside Case Model 175 Light Meter Standard SM 0521R3 Basic Radiographic System Service Manual Illustration 4 1 Checkings overview 1 Check Correct levels of Column and tube Fixed Grid Assembly Leveling Screws Oscillating Grid Assembly RE 3 Check Correct alignment of the light field with the X ray field CENTERING ADJUSTMENT SCREWS 16 SM 0521R3 Basic Radiographic System Service Manual Illustration 3 1 cont Checkings Overview 4 Check Correct the perpendicular a
7. 07 YOLVYANAD 9 5 57001 10 E80L0 bS sas AIXII 648 Ag 31551 NOlLdlMOS3G WALSAS 548 1v9303S 5 gt ez 90 20 20 zvidv 622 INI 90 20 20 VIOHVO 3 ONIMV40O HO 133HS uva INVN 9NILVTIIOSO 688 OL L33HS SIHL peeds 10 LOZV 10 2806 9P09 SON 318VO 3189 JQOHLVD LL z ees HOLVLS 38NL QNO sisseyo ESLISL 869 QNO 3189 QNO sisseyo XX 690 v 1 XX Z0ZV NOLLVOINNWWOI XX EYEEV Axong 12014 YAMOd 3 IOSNOO d1V ATOSNODS YOLVYANAD DOCLLLEW HOLVWITIOO YOLVINITIOS ATANASSV 37979 229 4 5 SADO 57207 10 88010894 sas 3NI12V 30N ees a 18vO ATddNS HOLVH3N39 AlddNS OVA 9NILVTTIIOSO Sua Joyesauag Jojioede 10 LO ELFEV LANIEVS YOLVYANAD 10 10 01 98 eseud
8. NO 1 LOOPNL 1 zH9 OGA O yo cveev ejqe Ayong eundo He 20927 5 Ajddng 57207 z 1995 ees soudl4 y YOLVY3N39 JOjeJeuos LOVdINOD Lo ereev Ayong Zn gt NOILO3NNOO H31NI 648 VINILAO OHM SY9 VINILdO SINOIXINOIYLNI 193038 D LL s 1 1 1 14 ET EEE v0 L0 L0 3 ONMVEG 80 Loevs HO 133HS 31VG Jequieuo uoi ay 10 pue Ayonq y ajqeoijdde si 5141 9JON UOIDEZIUOI e Ayong je ezijnn es ejqeoijde sa 9153 AMON NOLLOW E AMONG NOILOW AMON L0 zreev Ayong eundo Lo eveev eundo Ayong ajqep AMON AMONE VIININVIA LINIAVI 9 YOCVYANSD OISVINYV bjeius PISIUS pajoajas Jequieyy uo eui uo Buipuedep ero gr LP eq pinos epeuoroejes 3371 1013 Uormeziuo e ep opueipuedep er o er Lf Jes epend 9 10798U09 Doceszev 3718V9 NOI NOIOVZINOI VHVIAVO VEININVIA NOI NOIOVZINOI p eog NOILVLdVavV 237 10 5 g fue 00 4 1 995 jou si NOIL
9. OZLNI 1v9303S ASE gt v0 0 91 Zvidv ESOLOEFS a 70 10 00 4 AA bO 133HS zuva JOLVINITIOO V 20 0152 V pJ60q 1OHLINOO TIN DISVA b Ave dl TWOILYAA 0 29927 9 q89 05 JOYLNOS NOLLVLOY oojey IOHINOO GIONFIOS LOY nn ASE jn oo NNI 10 029 840 9 9 qe9 5 MZ 10 129 piousjos 989 XX LLLEV 5 103euuo2 SOrSNL SHO GION310S 10 0 92 9 89 10Y9 H9A 0Z LS L 0 OWA 0 pue 151 O1 OVA vZ 26 161 01 OCA O LE LSL 01 DGA c Ls duis ejqe Alddns y JOSUUOD 5 104 J LON 08 151 OVA 0 61 151 OVA NOUV LOH YZ TE LSL OCA 0 LE LSLE OGA 72 LSL e e 9 qeo e Jejoauoo JopeJeuec ep eled v LON Lo 229v IVOLLESA Lo ss9zV 9 qe9 uonoeuuo jeueg Ayong 3199 TANVd did OOOO Ave
10. RADIOLOGICAL SOLUTIONS stephani e Technical Publication SM 0521R3 Service Manual BRS Basic Radiographic System STEPHANIX rue Jean Moulin Zone Industrielle du Bayon 42150 La Ricamarie FRANCE Tel 00 33 4 77 47 81 60 Fax 00 33 4 77 37 55 19 C Le marquage CE qui se trouve sur ce produit indique que celui ci est en conformit avec la directive europ enne des dispositifs m dicaux 93 42 CEE 0 45 9 This product bears a CE marking in accordance with the provisions of the 93 42 EEC MDD dated June 14 1993 Basic Radiographic System Service Manual REVISION HISTORY REVISION DATE REASON FOR CHANGE 0 April 22 2003 First edition 1 30 March 2004 Installation and dimensions modified 2 07 May 2005 Installation improvements 3 12 Jul 2005 New schematics and updated photos This Document is the English original version edited and supplied by the manufacturer The Revision state of this Document is indicated in the code number shown at the bottom of this page ADVISORY SYMBOLS The following advisory symbols will be used throughout this manual Their application and meaning are described below DANGERS ADVISE OF CONDITIONS OR SITUATIONS THAT DANGER IF NOT HEEDED OR AVOIDED WILL CAUSE SERIOUS 8 PERSONAL INJURY OR DEATH ADVISE OF CONDITIONS OR SITUATIONS THAT IF NOT HEEDED OR AVOIDED COULD CAUSE SERIOUS PERSONAL INJURY OR CATASTROPHIC DAMAGE OF EQUIPMENT OR DATA 17 WARNING Advis
11. VLdVGV 93V zo r zev e qe2 19quieyo uo esp 23V 600 4 ewanbsa 19A syg VINILdO NOILVLAVOV 879 18 ej 22 opueno zo r z v uoioeziuo esanBuey ej 1255 WALSAS 548 EE A8 031551 5 90 20 20 zvidv 622 INI g 90 20 20 VI9HV9 4 HO 133HS uva INVN Q3XI3 S38 OL SINIdAV AINO 133HS SIHL T 318VO GND XX 690ZV 39V JH31NI ESL ISL XX Z0ZV 31879 NOLLVOINNWWOO 310SNOI dlv J10SNOI YOLVYANAD 0 YAMOd AlddNS IVA 1 ees FI8V9 5 HOLVHAINIO Joyesauag Jojoede JO LO ELFEV Joyesoueg fuemeg 40 10 2198 eseud 1 10 10 11 98 eseyd 10je1euec JO 10 0198 ejoN IV peeds YBIH MOT 40 XX FL0ZV 10 2806 9P09 SON 318VO QNO sisseyo 318v9 AGOHLVO z ees 318 YOLVLS 39NL QNO sisseyo 418 YOLVINITIOS 1116 HOLVIITIOO 55 37979 572
12. according to the field size indication selected the results should be Length dimension 1 300 mm Width dimension W 240 mm The difference between the indicated Field Size and the obtained Field Size may not exceed 1 5 rejection limit of the SID in either direction Therefore the deviation in any direction should not be higher than 21 mm rejection limit for SID at 1 4 meter If the deviation of Field Size Indication is out acceptance limits it is necessary to readjust the index of Collimator Blades Control Knobs For that loosen each Collimator Control Knob and position it according to deviation Repeat the complete tests until the X Ray Field Size selected 24 x 30 cm is obtained SM 0521R3 29 Basic Radiographic System Service Manual 4 4 X RAY TUBE OR COLLIMATOR REPLACEMENT Note gt This section only applies to systems where the X ray Tube or the Collimator has to be replaced by a new different X ray Tube or Collimator different weight or when the Swivel arm 15 not vertically balanced 1 Place swivel Arm in horizontal position 2 Remove the top cover of the Tube Collimator Assembly Support 3 Add or remove counterweight plates until the Arm is balanced Counterweight_entrances at Arm Back 4 Re install the top cover 45 ADJUSTMENT OF ROTATION PLATE Note This section only applies to systems where the rotation plate does not match with the real angle 1 Place swivel Arm in hor
13. actory counterweighted so all the counterweights provided are to be installed Counterweight entrances at Arm Back 14 Now install the Oscillating Grid Assembly or the Fixed Grid Assembly Follow steps 14 to 17 for Oscillating Grid Assembly or steps 18 to 21 for Fixed Grid Assembly 10 SM 0521R3 Basic Radiographic System Service Manual 15 Oscillating Grid Assembly_installation Take out Table Top of the Oscillating Grid Assembly Four screws at the corner of the Oscillating Grid Assembly Table Top Corner Screw a 16 Install the Oscillating Grid Assembly in the Swivel Arm with the 2 sets of screws 4 screws in each set A set of gauges included in the package can be installed for perpendicularity adjustment Oscillating Grid Assembly Installation Screws 17 Connect J1 only for Oscillating Grid Assembly with motorized Grid J2 and GND from the Harness to the Oscillating Grid Assembly 18 Reinstall the Oscillating Grid Assembly Table top SM 0521R3 11 Basic Radiographic System Service Manual 19 Fixed Grid Assembly Installation Remove the Safety Screws installed in the Fixed Grid Assembly 20 Remove the Back Cover of the Swivel Arm end 21 Install the Fixed Grid Assembly in the Swivel Arm with the Safety Screws previously removed Before connect J2 22 Level the Assembly with the leveling screws and re install the Back Cover Leveling Screws S
14. afety Screws Back Cover at Swivel Arm End 23 Connect the cables from the main harness Stator Bucky Power Line Collimator and ground GND cables routed directly from the Column to the Generator for these connections refer to Interconnection Map 54301065 and also Generator Service Manual 24 Connect directly the ground cables GND from the Column to the Main ground stud GND of the Generator 25 Connect HV Cables of the X ray Tube Terminal Pins of HV Cables are extremely delicate and they T CAUTION are easily damaged Take particular care to handle them carefully Make sure that they remain straight and that the splits in the pins are open parallel to sides 12 SM 0521R3 Basic Radiographic System 26 Note 27 28 Note 29 30 Service Manual Prepare the High Voltage terminals that will be installed in the X ray Tube receptacles Apply Silicone Paste over the entire surface of the Plug including the Pins Carefully connect cables to their related receptors of the Tube and fix their nuts tightly Fasten HV cables to lateral side of Pivoting Arm with the clamp on the carriage of the Tube Collimator Assembly Give the cable length enough to enable movements of the of Pivoting Arm pa mY LI Fasteners H V Cables Tube HV Cables may also be tied up to a ceiling pole to avoid collisions and to easy movements of the system Mark and drill the anchoring positions
15. auag Jojoede 10 LO ELFEV l3NIS8VO YOLVYANAD Joje1euec 40 0 2 787 eseud 10 10 11 98 eseyd ejfuis 10je1euec 140 10 0198 ejoN
16. damage is found notify the carrier or his agent immediately 1 Place the shipping pallet near its final site in the room and remove all its laterals Do not discard any packing material such as envelopes boxes bags until all parts are accounted for as listed on the packing list AT LEAST THREE PEOPLE ARE REQUIRED TO REMOVE ALL HEAVY COMPONENTS FROM THE SHIPPING PALLET 2 When the equipment is unpacked check part numbers and serial numbers of each component with its identification labels Inspect all pieces for visible damages If any damaged part is found repair it or order its replacement to prevent unnecessary delay in installation 3 Verify that all items on the customer order are present 4 Leave a working area around equipment until its final installation 15 complete SM 0521R3 Basic Radiographic System Service Manual This page intentionally left blank 4 SM 0521R3 Basic Radiographic System Service Manual SECTION 3 INSTALLATION 3 1 POSITIONER INSTALLATION OVERVIEW TICK BOXES WHEN DONE 1 Install the Support of the Tube Collimator Assembly and the Control panel in some cases it is factory installed 2 Install the Wall Support at the back of the Column the Column laid on the pallet 3 Drill WALL HOLES and anchor the Wall Support Install the Collimator and the X ray tube O O 5 Remove the Safety Locking Rod Central carriage Screw 6 Install all the count
17. djustment of the X Ray Beam with the Image Receptor CENTERING ADJUSTMENT SCREWS Fixed Grid Assembly Leveling Screws Oscillating Grid Assembly 5 Check Correct centering of X Ray field and Image Receptor same adjustments as step 4 DEVIATION 6 Field Size Indicator Test 7 Collimator Lamp Brightness Test ra ume SM 0521R3 17 Basic Radiographic System Service Manual 4 2 ALIGNMENT OF X RAY BEAM 1 Check with a level the vertical horizontal position of the Column If necessary modify the position of the Column with the screws attached to the Base of the Column a correct installation starts with a good leveling of the column 2 Check the level of the Tube Collimator Assembly The mechanical installation provides a levelled Assembly anyway check parallelism If necessary reinstall the Tube Collimator Assembly Refer to installation section 3 Check the Receptor first in horizontal position thorax then in vertical position Undertable If necessary move up or down the Receptor assembly with the Receptor Assembly leveling screws 4 Place the Pivoting Arm in vertical position The Tube Collimator Assembly has to be perfectly aligned with the Receptor Assembly Check with a level correct horizontal position of both assemblies Illustration 4 2 Vertical Position of Pivoting Arm with Alignment Tools 18 SM 0521R3 Basic Radiographic System Service Manual 5 Turn
18. e of conditions or situations that if not heeded or avoided could cause personal injury or damage to equipment or data CAUTION Note gt Alert readers to pertinent facts and conditions Notes represent information that is important to know but which do not necessarily relate to possible injury or damage to equipment SM 0521R3 Basic Radiographic System Service Manual SAFETY SYMBOLS The following safety symbols will be used in the equipment Their meaning are described below Attention consult accompanying documents lonizing radiation Type B equipment Dangerous voltage Ground This symbol indicates that the waste of electrical and electronic equipment must not be disposed as unsorted municipal waste and must be collected separately Please contact an authorized representative of the manufacturer or an authorized waste management company for information concerning the decommissioning of your equipment Ors gt SM 0521R3 Basic Radiographic System Service Manual TABLE OF CONTENTS Section Page 1 INTRODUCTION RR RR RR RN aa 1 Tire RAR 1 1 2 Pre Installation Checks 1 2 UNPACKING eer a a eee le te Mle eee 3 3 INSTALLATION heise 5 1 2 Positioner Installation overview 5 4 ADJUSTMENTS ei x ele elite a net eis ta 15 41 Adjustment tools
19. ertical position The Tube Collimator Assembly has to be perfectly aligned withthe Receptor Assembly Check with a level correct horizontal position of both assemblies The Receptor Assembly is factory adjusted slightly up and it is recommended do not perform any additional correction During procedure it must be horizontally placed at 0 check position with a level and with its indicator plate Position the Collimator Test Tool RMI model 161B on the Receptor Table Top Turn on Collimator light and center the Collimator Test Tool with the light axes projected by the Collimator Lamp Place centered the Beam Alignment Test Tool model 162A on the Collimator Test Tool and observe if shadow of the Beam Alignment Test Tool is projected in equal proportion around it Check on the processed film the adjustment required to center the top ball mark Shadow around the Beam Alignment Test Tool can also help to make a first correction Loosen slightly the four Safety Screws Allen M8 of the Tube Collimator Assembly If required perform the following adjustments For horizontal correction move horizontally the Tube Collimator Assembly before tightening the four Safety Screws For vertical correction loosen or tighten carefully the four Leveling Screws Allen M6 of the Tube Collimator Assembly before tightening the four Safety Screws Repeat exposure and procedure until the result is satisfactory top ball must be inside of t
20. erweight plates supplied 7 Install the Oscillating Grid Assembly or Fixed Grid Assembly level it Drill FLOOR HOLES and anchor the unit to the floor 9 Connect cables HV Tube Stator Bucky or Grid and guide them 000 U 10 Check levels on Column Tube Collimator Assembly and Receptor Assembly SM 0521R3 5 Basic Radiographic System Service Manual Note Perform Installation following the order described below DO NOT REMOVE SAFETY LOCKING ROD FROM THE UT WARNING COUNTERWEIGHT CARRIAGE AND OR THE CENTRAL CARRIAGE SCREWS 2 BEFORE SPECIFICALLY INSTRUCTED IN THIS DOCUMENT Note Due to packaging requirements some Units may not include the Tube Collimator Assembly and the Control panel factory pre installed If that is the case follow steps 1 and 2 if not go to step 3 1 Assemble the Support of the Tube Collimator Assembly to the Upper area of the Swivel Arm using the four Safety Screws installed in the Arm SAFETY SCREWS SUPPORT OF TUBE COLLIMATOR ASSEMBLY ra 2 Assemble the Control Panel in the Support with the two screws washers and nuts attached to the Control Panel CONTROL PANEL SUPPORT OF TUBE COLLIMATOR ASSEMBLY SCREWS WASHERS AND NUTS 6 SM 0521R3 Basic Radiographic System Note Note Service Manual Assemble the Upper Wall Support to the Column Lift the Column as much as necessary as to
21. he center of the Image Receptor film Then draw diagonal lines from the corners of the imaged X ray Field If the center of the X ray Field and Image Receptor 15 the same the diagonals of both sets of lines should cross at same point The maximum misalignment allowed is 2 of SID for SID 1 4m 2 8 cm tolerance Refer to Section 4 2 3 for centering of X ray Field and Image Receptor SM 0521R3 21 Basic Radiographic System Service Manual 4 2 1 ALIGNMENT OF LIGHT FIELD WITH X RAY FIELD 1 Place the Pivoting Arm in vertical position The Tube Collimator Assembly has to be perfectly aligned with the Receptor Assembly Check with a level correct horizontal position of both assemblies 2 Position the Collimator Test Tool RMI model 161B on the Receptor Table Top adds CES COLLIMATOR TEST TOOL 2 su IE e E 2 ar IAL 2945307 8 il 2 E d Be ER de cs 1 8 21 EIE AS RC SPI a se IE la gt IE SEI JE 3 Turn on Collimator light and center the Collimator Test Tool with the light axes projected by the Collimator Lamp 4 Adjust the Light of the Collimator Lamp to the rectangle drawn inside the Collimator Test Tool 22 SM 0521R3 Basic Radiographic System Service Manual 5 Check on the processed film the adjustment required to meet the Light Field with the X ray Field Identify the deviat
22. he first circle SM 0521R3 25 Basic Radiographic System Service Manual Illustration 4 6 Adjustments in the Tube Collimator Assembly 1 Leveling Screws The Tube Collimator Assy moves slightly up or down from one side 2 Positioning screws and Fix ing Screws 2a Loose first the Fixing Screws then adjust the tube collimator with the positioning screws 2b then tighten the Fixing Screws 3 Shims factorv installed ad justed and extra units included in package These plates can be added or removed in order to ex tend reduce the length of the Tube Collimator Assembly 26 SM 0521R3 Basic Radiographic System Service Manual 4 2 3 CENTERING OF X RAY FIELD AND IMAGE RECEPTOR RECEPTOR ASSEMBLY The error between centers of the X ray Field and the Image Receptor should not be greater than 2 of the SID for SID 1 4m 2 8 cm tolerance IS Pd CENTER OF THE X RAY FILM CENTER OF THE IMAGE Fa DEVIATION EN p A r If the deviation is greater than 2 of SID perform the following procedure 1 Check on the processed film the correction required for centering the X ray Field with the Image Receptor Adjustments will be performed as the same way described for Perpendicularity correction so only re adjust it if really is necessary UTC 2 Repeat exposure and check centering until the result is satisfactory centers position are within tolerance SM 0521R3 27
23. ion on the axes imaged on the film PROCESSED FILM COLLIMATED LIGHT FIELD 6543211 COLLIMATED X RAY FIELD LIGHT FIELD MISALIGNMENT PROCESSED FILM COLLIMATED LIGHT FIELD COLLIMATED X RAY FIELD e 1 2 N 8765432 12345678 GOOD FIELDS ALIGNMENT SM 0521R3 23 Basic Radiographic System Service Manual 6 Do not remove the Collimator Test Tool from its original position and adjust the Light Field by moving the Collimator Unit and or the Collimator Lamp a Collimator Lamp must be ON during Light Field adjustment b Modify Collimator position by carefully unscrewing and screwing the four Centering Adjustment and Safety Screws Allen until the Light Field coincides with the axes reference imaged numbers and dots on the processed film Illustration 4 5 Collimator Screws CENTERING ADJUSTMENT AND SECURITY SCREWS If adjustment is still necessary modify position of Collimator Lamp refer to Collimator Manual 7 Repeat exposure and procedure until the result is satisfactory The maximum misalignment allowed is 2 of SID for SID 1 4m 2 8 cm of tolerance 24 SM 0521R3 Basic Radiographic System Service Manual 4 2 2 PERPENDICULARITY ADJUSTMENT OF X RAY BEAM WITH IMAGE RECEPTOR In case that perpendicularity is out of tolerance top ball is out of first circle adjust perpendicularity as follows 1 Place the Pivoting Arm in v
24. izontal position 2 Loose Safety Screws and adjust correct angle with a level 3 Tighten Safety Screws NTERING ADJUSTMENT AND SECURITY SCREWS STEEL CABLE 30 SM 0521R3 Basic Radiographic System SECTION 5 RENEWAL PARTS Service Manual Item Designation Qty FRU Rep Mfg Ref Second Ref Remarks Positioner 1 Switch button black 2 N 50613013 2 Handle 3 2 Y S02 05 012 3 Solenoid 24 VDC 1 1 Y 52301006 4 Electrobrake 24 35 VDC positive 5 1 N 52301011 5 Basic Mill Control PCB 1 1 Y A3510 03 6 Bucky Midwest 1 1 Y 6685 01 7 Collimator 1 2 N 6693 06 8 Lamp Collimator 1 2 N 54203005 SM 0521R3 31 Basic Radiographic System Service Manual This page intentionally left blank 32 SM 0521R3 Basic Radiographic System SECTION 6 Service Manual MAINTENANCE The Optima BRS has been designed as a long term X ray positioner with minimum maintenance The mechanical parts of the Optima BRS require a yearly basis service maintenance from the installation date in the following way Visual Check Covers Pushbuttons Table top Receptor Assembly Steel Cables appareance from the Column Slot side connectors and electrical cables Functional Check Push buttons movements of the carriage and arm cassette tray perform an exposure and check correct alignment of film Collimator and Collimat
25. on Power Line for Collimator Lamp 24 VAC 50 60 Hz 6 5 A Power Line for Movement Locks 24 VDC 0 2 kVA ACCORDING TO MDD93 42 CEE THIS UNIT 15 EQUIPPED D ANGER WITH FILTERS THE LACK OF THE PROPER GROUNDING MAY PRODUCE ELECTRICAL SHOCK TO THE USER SM 0521R3 1 Basic Radiographic System Service Manual Illustration 1 1 Dimensions 566 AN EE Eo N n E E Eg No Ele 87 88 3 28 115 SS Es g E Ht a 5 l 88 8 9 FE gt oz JS 5g Zu 86 52 88 Ox Ske x LLL LACALLE L 885 1400 1795 SID 1400 mm Max Width 1595 mm Anchura Max 1595 mm Dimensions Subject to change depending on the type of tube Dimensiones sujetas a cambio dependiendo del tipo de tubo 2 SM 0521R3 Basic Radiographic System SECTION 2 Service Manual UNPACKING The Unit is shipped in one box to facilitate transport and installation Upon receipt of the X ray unit and associated equipment inspect all shipping containers for signs of damage If
26. on Collimator light and center the Collimator in relation to the Receptor Table Top Horizontal and transversal position of the light axes projected by the Collimator Lamp must be in line with the axes or film sizes marked on the Table Top If needed modify Collimator position by carefully unscrewing and screwing the four Centering Adjustment and Safety Screws Allen of Collimator Illustration 4 3 Collimator Screws CENTERING ADJUSTMENT AND SECURITY SCREWS 6 Position the Collimator Test Tool RMI model 161B on the Receptor Table Top T Turn on Collimator light and by means of the Collimator Control Knobs center the Collimator Test Tool with the light axes projected by the Collimator Lamp SM 0521R3 19 Basic Radiographic System Service Manual 8 Adjust the Light Field of the Collimator Lamp to the rectangle drawn inside the Collimator Test Tool 9 Place centered the Beam Alignment Test Tool RMI model 162A on the Collimator Test Tool Illustration 4 4 Alignment Test Tools BEAM ALIGNMENT TEST TOOL RMA MODEL 162A COLLIMATOR TEST TOOL RMA MODEL 161B 10 Load Cassette film Tray with cassette film 24x30 and insert it 11 Make an exposure at 60 kVp 5 mAs 12 Process film and a Check that X ray Field falls just within the image of the inner rectangle of the Collimator Test Tool If an edge of the X ray Field falls out of the inner rectangle means a misalignment of the Light
27. or light refer to Section 4 Yearly Functional Check ITEM ACTION Push buttons Visual Check correct contact and corresponding movement Movement of Carriage Check complete travel of carriage it should be soft and noiseless Movement of Arm Check complete angle travel of the Arm it should be soft and noiseless Both Steel Cables Move carriage to the lowest position and check appareance of both steel cables from the side slot of the column Check connection plate and disassembly top cover to check the whole cable travel They should be in without stranded or broken hairs Cassette Tray Check correct positioning inside Receptor assembly correct clamping of film Collimator and Tube Refer to Section 4 in this Manual and Generator maintenance Section SM 0521R3 33 Basic Radiographic System Service Manual This page intentionally left blank 34 SM 0521R3 Basic Radiographic System Service Manual SECTION 7 INTERCONNECTION MAPS Refer to the following maps for details of the wire connections Optima BRS Who interconnections 54301083 BRS System IM 339 SM 0521R3 35 Basic Radiographic System Service Manual This page intentionally left blank 36 SM 0521R3 NOLLO3NNOO J31NI OHM SYE VINILO ALVG Ag 43055 NOILdIH9S3G E 548 VINILdO S3NOIX3NO
28. ur Centering Adjustment and Safety Screws Allen to allow the Collimator installation in the Collimator Adaptation Ring Adjust the Collimator Blades to their widest setting and carefully install the Collimator centering it with the X ray Tube window Tighten carefully the four Centering Adjustment and Safety Screws Allen equally same number of turns until Collimator is centered and held firmly on the Coupling Ring support Also refer to Collimator Manual Installation of X ray Tube and Collimator X RAY TUBE COVER CENTERING ADJUSTMENT SCREWS X RAY TUBE CABLE COLLIMATOR COVER COLLIMATOR CABLE Remove the X ray Tube and Collimator covers and connect the wires from the upper harness to the X ray Tube and Collimator according to their identification refer to 54301065 SM 0521R3 Basic Radiographic System Service Manual 11 Remove now the Safety Locking Rod from the Counterweight Carriage and the Central Carriage Screws 2 The carriage may go down Safety locking Rod Central Carriage Screw 12 Add all the counterweigh pieces to both entrances back side of the Column and secure them with the provided nuts The unit is factory counterweighted so the counterweights provided are to be installed Counterweight entrances at Column Back 13 Add all the counterweigh pieces to both entrances back side of the Arm and secure them with the provided nuts The unit is f
Download Pdf Manuals
Related Search