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Chapter E - DIMAX3 DIGITAL SYSTEM ADJUSTMENT

Planmeca Proline EC X-ray unit E-47

CEPHALOSTAT ADJUSTMENT

Technical Manual

Adjust the head support angle with the two screws located on the left side of the mechanism
(use 2.5mm allen key) (see Fig. 84) so that the sensor alignment tool is perpendicular to the
cephalostat head support.

Figure 84

Spirit level

90°

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Summary of Contents for Proline EC ceph

Page 1: ...Planmeca Proline EC pan ceph Dimax3 TECHNICAL MANUAL Publication part number 688403 Version 27 Published 2005 06 En...

Page 2: ......

Page 3: ...it the service mode B 6 3 2 Service mode keys displays indicator lights B 6 3 3 Service mode settings B 10 3 4 Exposure counter display B 12 3 5 Error history display B 12 3 6 Up down motor slow speed...

Page 4: ...D 26 8 AUTOMATIC EXPOSURE CONTROL AEC CALIBRATION D 27 8 1 Checking adjusting the primary slot position D 27 8 2 Base value adjustment D 29 8 3 Adjusting the AEC signals D 31 9 CEPHALOSTAT ADJUSTMENT...

Page 5: ...2 Shifting the image area E 68 Chapter F PREVENTIVE MAINTENANCE 1 SYSTEM MAINTENANCE F 1 1 1 Cleaning F 1 1 2 Operator s checks F 1 2 PREVENTIVE MAINTENANCE CHECKS F 2 2 1 Electrical checks F 2 2 2 X...

Page 6: ...r H PARTS REPLACEMENT REPAIR 1 COVERS H 1 1 1 Tubehead covers H 1 1 2 Secondary slot cover H 1 1 3 Cassette carriage back cover H 1 1 4 Rotating arm cover H 1 1 5 Lower shelf cover H 2 1 6 Z carriage...

Page 7: ...meca Proline EC Pan Ceph X ray unit I 7 1 7 Positioning mechanism I 8 1 8 Height adjustment mechanism I 10 2 ELECTRICAL PARTS AND THEIR FUNCTIONS I 12 2 1 Tubehead I 12 2 2 Circuit boards I 12 2 3 Mot...

Page 8: ...TOC 6 Planmeca Proline EC Panoramic X ray TABLE OF CONTENTS Technical Manual...

Page 9: ...cal parts Always replace the fuses with ones of the same type and rating Otherwise patient operator or equipment safety cannot be guaranteed The circuit boards can be damaged due to static discharges...

Page 10: ...rves the right to make changes to specifications without prior notice NOTE PLEASE NOTE THAT THIS TECHNICAL MANUAL IS VALID FOR SOFTWARE REVI SIONS FILM BASED X RAYS PK 6 50 AND PG 6 50 OR LATER DIGITA...

Page 11: ...The unit equipped with ceph film size 18 cm x 24 cm X ray beam size on film in ceph mode H x W 230 mm x 170 mm primary slots 4 and 5 170 mm x 230 mm primary slot 6 The unit equipped with ceph film si...

Page 12: ...solution 99 m enhanced resolution Image size 2200x1000 pixels normal resolution 2940x1360 pixels enhanced resolution Sensor active area size Pan 9 x 136 mm Ceph 9 x 230 mm Image field Panoramic 14 x 3...

Page 13: ...nt panel of the panoramic cassette holder 0 5 mmAl Rated line voltage 100 132 V 180 240 V Line voltage regulation 10 Maximum line current Maximum 15 Amperes at 100 V 8A at 230 V Technique factors that...

Page 14: ...li brated multimeter The mA value is then the voltage divided by the resistance The nominal X ray voltage together with the highest X ray tube current obtainable from the high voltage generator when o...

Page 15: ...ual Anode heating cooling curve of the X ray tube Single load rating of X ray tube Target material of the X ray tube Tungsten anode Reference axis to which the target angle and the focal spot characte...

Page 16: ...angle with respect to the reference axis 5 Filtration in terms of quality equivalent filtration of the X ray tube Inherent filtration at least 0 8 Al 50 kV according to IEC 522 1976 Emission filament...

Page 17: ...eca Proline EC X ray unit A 9 USER S STATEMENT FOR PLANMECA PROLINE EC PANORAM Technical Manual X ray tube assembly heating cooling curve Maximum continuous heat dissipation of the x ray tube assembly...

Page 18: ...head assembly refer Target angle with respect to the reference axis 5 Dimensions of the tube head assembly WxHxD 245 mm x 275 mm x 135 mm Weight of the tube head assembly 10 4 kg without collimator a...

Page 19: ...Chapter A GENERAL TECHNICAL DATA Planmeca Proline EC X ray unit A 11 USER S STATEMENT FOR PLANMECA PROLINE EC PANORAM Technical Manual Indication of focal spot Tube head Focal spot indication...

Page 20: ...on electromagnetic emissions Planmeca Proline EC X ray unit is intended for use in the electromagnetic environment specified below The customer or the user of the Planmeca Proline EC X ray unit should...

Page 21: ...line to earth 1 kV line to line 2 kV line to earth Mains power quality should be that of a typical commercial or hospital environment Voltage dips short interruptions and voltage variations on power s...

Page 22: ...as determined by an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vicinity of equipment marked with the following sym...

Page 23: ...ser of Planmeca Proline EC X ray unit can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the Planm...

Page 24: ...Chapter A GENERAL TECHNICAL DATA A 16 Planmeca Proline EC X ray unit EMC INFORMATION Technical Manual...

Page 25: ...TL A C B P 4 5 3 2 1 6 7 9 8 17 15 13 11 18 16 14 12 10 1 Display Time Error Help messages 12 mA setting keys and display Tubehead temperature Wait time 13 Control CTL key and indicator light 2 Panora...

Page 26: ...ight comes on In the special function mode some of the keys have special functions others do not operate in this mode When the CTL key or a special function key is pressed the indicator light goes off...

Page 27: ...er panoramic exposures 2 4 Temple rest motor inactivation The temple rest motor can be inactivated Press the CTL key and press and hold down for 4 seconds the temple support key The text HLd 0 will ap...

Page 28: ...ion being generated Press the CTL key and press any of the kV selection and mA selection keys The kV and mA displays will clear indicating that the X ray tube has been switched off and that you have e...

Page 29: ...es that were displayed and returns the equipment into normal mode 2 8 Autoprint settings Pressing CTL and then the auto key allows to change the setting of the Autoprint film mark ing system The film...

Page 30: ...he displays 3 1 How to enter exit the service mode Press the CTL key and simultaneously press and hold down the hidden key to the right of the panoramic mode selection key until the temperature of the...

Page 31: ...play blinks and the exposures are not allowed and if it is not possible to make a new exposure due to the X ray tube cooling characteristics the blinking count down time is displayed Sector A indicato...

Page 32: ...vated in the service mode CAUTION To allow the seek of the limit sensor in the service mode there is no end stop before the mechanical end The motor shall not be driven against the ends to prevent it...

Page 33: ...ons Exposure time display In the service mode this display shows the type of the X ray tube The codes correspond to the following Toshiba D 052 SB focal spot 0 5 X 0 5 mm If the letters Fd is shown on...

Page 34: ...ff and the keyboard is in the normal mode In the following the special functions are explained SERVICE MODE FUNCTION KEY SEQUENCE IN SERVICE MODE FOR DETAILS REFER TO DISPLAY EXPO SURE COUNTER Exposur...

Page 35: ...setup on page B 14 PRIMARY SLOT CALIBRATION Only in Planmeca Proline EC Pan Ceph X ray unit Primary slot adjustment Plan meca Proline EC Pan Ceph X ray on page D 8 Dimax3 Radiation beam adjustment Pl...

Page 36: ...al method has been provided to be able to display counts up to 49 999 The two dots between the numbers indicate the amount of 10 000 to be added to the displayed number as follows Lower dot on Add 10...

Page 37: ...wer mm Adjust the speed faster READY Exit this mode and program the new speed into the memory The main display indicates the direction to be adjusted and the relative percentage of the cur rent speed...

Page 38: ...up The equipment software has been readily equipped with the functions needed for cephalo static operation In the service mode it is determined whether the equipment is equipped with a cephalostat Pre...

Page 39: ...he tube filament defini tion is done the exposure time display will indicate t 5 for Toshiba tube 3 10 Model selection NOTE Always check the model type when the Keyboard processor board is replaced Th...

Page 40: ...BOARD FUNCTIONS Technical Manual 3 11 Factory preset recalling factory default quick exposure settings Press the auto key and press and hold the program key for 2 seconds to recall the factory default...

Page 41: ...control key HE 6 The temple support motor has been inactivated The temple support movement does not operate HE 8 The child mode can not be selected in double TMJ exposure mode HE 10 The X ray unit is...

Page 42: ...mple rest motor time out Er 23 Layer adjust motor time out The layer mechanism does not reach the limit sensor within a specified time Er 24 Primary slot motor time out The slot mechanism does not rea...

Page 43: ...sensor power missing Er 64 The radiation reaching the AEC sensor is very low or missing completely Er 65 The radiation reaching the AEC sensor is too high Er 70 Processor communication error Er 71 Gen...

Page 44: ...ns wiring is not properly done Measure the line voltage when loaded Er 07 The rotating unit is not in the ready position The rotating unit is not in the ready position Check that the program selection...

Page 45: ...ll action is stopped If keyboard button was operated all the time the reason is either that the up down motor cable is broken no movement or sound or the carriage is jammed humming sound 200 Hz can be...

Page 46: ...e limits Check both the cassette holder and the holder carriage limits Er 26 Rotation motor time out If this motor runs more than 30 seconds continuously this time out error is generated and all actio...

Page 47: ...supply inoperative Defective generator processor board Check operating voltages and locate fault by replacing boards If it appears between Er 11 and continuous Er 30 most likely defective tubehead Er...

Page 48: ...gage with the slot on the top of the secondary slot Return the unit to the CEPH mode and then back to PAN mode Enter the service mode If the sector A indicator light is not on the sensor magnet must b...

Page 49: ...ture sensor and breaking the circuit at overpressure Also if the tubehead and gener ator processor grounds are not properly connected to the protective earth this error will be indicated Check the ear...

Page 50: ...If the cassette is in the cassette carriage and the patient is positioned when this error occurs perform the AEC calibration refer to section AUTOMATIC EXPOSURE CONTROL AEC CALIBRATION on page D 27 I...

Page 51: ...on the keyboard processor board the equipment will most likely do nothing and blank the display after this kind of an error Replace the keyboard processor board NOTE If the generator processor is not...

Page 52: ...enerator processor board 3 10 Errors 90 99 other errors ER 90 Keyboard processor Keyboard processor EEPROM not activated Change keyboard processor board ER 91 Keyboard processor Keyboard processor sta...

Page 53: ...country it is the responsibility of the installer to ensure that the correct precautions are observed The display values shown in this guide are only examples and should not be interpreted as recommen...

Page 54: ...ical Manual Ball phantom part number 50971 For checking the position of the patient positioning mechanism and the positioning lights Beam alignment tool part number 50972 For checking the position of...

Page 55: ...it Cephalometric beam alignment tool 18x24 cm part number 652232 8x10 in part number 652233 Used to check the position of the cephalometric X ray beam Soft tissue filter positioning tool part number 6...

Page 56: ...rom tubehead assembly Four screws hold the tubehead cover in position these are located at the rear of the tubehead assembly The primary slot mechanism is located under the tubehead cover Figure 1 Swi...

Page 57: ...seen in the darkened room The actual values will depend on how dark the room is Protect yourself from radiation and press the exposure button The beam image will appear on the alignment tool Observe t...

Page 58: ...igh or low loosen the two screws that hold the outer slot in position and adjust as necessary Tighten the screws and recheck the beam Repeat the above procedure until the beam is correctly positioned...

Page 59: ...ation beam not vertical If the beam is not vertical loosen the four screws that hold the slot frame in position and rotate the frame until the beam is correctly positioned Tighten the screws and reche...

Page 60: ...too high or low loosen the two screws that hold the panoramic primary slot plate in position and adjust as necessary Tighten the screws and recheck the beam Repeat the above procedure until the beam...

Page 61: ...ry Enter the service mode if you are not already in it Press the CTL key Press and hold down the clock key until the number of the slot that you are checking appears on the main display SLO and the sl...

Page 62: ...e 10 If you cannot adjust the beam far enough to the left using the method described above you may have to move the metal tab on the draw nut Loosen the securing screw rotate the tab slightly and then...

Page 63: ...ing mechanism to 00 In the darkroom open the cassette and place a film inside the cassette and then place a piece of paper the same size on top the paper will reduce the radiation that reaches the fil...

Page 64: ...rect then the patient position ing mechanism need not be adjusted and you should then check the patient positioning lights see section FOCAL TROUGH POSITIONING LIGHT on page D 23 Figure 14 If these di...

Page 65: ...from the middle ball to the center of the tenth ball on both the right and left are more than 122mm then the patient positioning mechanism is too far backward and must be moved forwards Figure 17 If...

Page 66: ...remote control Stop pressing the exposure button about halfway through the exposure cycle so that the rotating unit stops moving An error code will appear on the display Clear the error code from the...

Page 67: ...e sure that the y line on the ball phantom is parallel to the line on the underside of the alignment ruler Note that the line on the ball phantom and the line on the alignment rule do not have to coin...

Page 68: ...n exposure button on the remote control Stop pressing the exposure button after about two seconds so that the rotating unit stops moving An error code will appear on the display Clear the error code w...

Page 69: ...the patient positioning lights on then a second time to adjust the position of the patient positioning mechanism until the line on the ball phantom lines up with the line on the alignment ruler The p...

Page 70: ...play Clear the error code with the CTL key Manually position the rotating unit so that the center line that runs through the tubehead and sensor head is at a right angle to the wall Slide the alignmen...

Page 71: ...l special tools for assembling the unit are available see REQUIRED TOOLS on page D 1 4 1 Guiding profile and counterprofile The clearance between the guidance profile and the counterprofile can be che...

Page 72: ...rprofile Tighten the screws by pressing the screw head with finger Check once more that there is no clearance left but also that the contact between the counterprofile and the guid ance profile is not...

Page 73: ...ponding to the middle point of the exposure In principle the guidance wheel should be placed as near the inner edge of the groove as possible For proper adjustment turn the rotating unit with both han...

Page 74: ...according to instructions given in section Patient positioning mechanism adjustment on page D 14 Remove the alignment pin Enter the test mode if you are not already in it Press the ready key to drive...

Page 75: ...tch the positioning light on and then a second time to drive the patient positioning mechanism to 00 if it is not already there The focal trough positioning light beam should be positioned so that it...

Page 76: ...NG LIGHT Technical Manual 5 2 Positioning light adjustment Bending the mirror bracket backwards or forwards will position the light beam Figure 31 Rotating the mirror bracket will adjust the light bea...

Page 77: ...e that the clock is still running before the first actual adjustment is done and exiting this mode now with the READY key does not modify the clock at all Using the UP and DOWN keys the number can be...

Page 78: ...ing sound of the radiation cannot be heard or is considered to be too loud the tone and loudness can be adjusted Pressing CTL and then the SINUS key activates this adjust ment mode turning the sound o...

Page 79: ...prox 60 During the exposure this AEC signal value is shown on the main display 6 Fine adjust the AEC signal in normal mode 8 1 Checking adjusting the primary slot position After the panoramic X ray be...

Page 80: ...ion and move the plate until the beam is correctly positioned The primary slot adjustment in horizontal direction is described in section Radiation beam too far to the right or left on page D 6 Planme...

Page 81: ...ity is approx 1 0 OD supplied with the system or the film density is measured using a film densi tometer It is recommended to start with exposure values 68kV and 7mA and check the film density In case...

Page 82: ...multaneously press and hold down the hid den key to the right of the panoramic mode selection key until the temperature of the tube head appears on the display about four seconds The ready key indicat...

Page 83: ...when the unit is in the AEC mode and no exposure is taken Set the offset to value 8 2 with the offset adjustment trimmer located on the Cassette limit PCB Turning the trimmer clock wise increases the...

Page 84: ...djustment and the service modes and the signal can be seen on the main display To exit the service mode press the hidden key briefly Drive the X ray unit to the exposure position by pressing the ready...

Page 85: ...CEPHALOSTAT ADJUSTMENT 9 1 Removing the cassette holder cover Loosen the two M4x8 BN 5950 bolts on the top of the cover with a 5 5 mm ring spanner Loosen the two M4x4 DIN 7985 screws on the bottom of...

Page 86: ...for taking cephalometric exposures Remove the tubehead covers and cassette carriage covers see sections Tubehead covers on page H 1 Secondary slot cover on page H 1 and Cassette carriage back cover on...

Page 87: ...support around its vertical axis to adjust the ear posts in horizontal direction Fig 38 2 and around its horizontal axis to adjust the ear posts in vertical direction Fig 38 3 If the cephalostat cass...

Page 88: ...Technical Manual Place a loaded cassette to the cassette holder Select low exposure parameters e g 62 kV 6mA and 0 4 sec Take an exposure and develop the film If the ear posts are exposed concentrical...

Page 89: ...ls The latest used exposure mode number starts to flash on the main display Select the cephalometric exposure mode number 4 CPH4 with the program selection keys collimator number 4 Orientate the Cepha...

Page 90: ...appear on the alignment tool The radiation beam must appear within borders of the rectangle marked on the beam align ment tool and to the right of the line marked Soft tissue filter 0mm Figure 42 If...

Page 91: ...ephalostat arm adjusting screw according to the table Fig 43 2 3 For example if the radiation beam extends 3mm passed the 0mm line screw the adjusting screw about 0 6 turn counterclockwise If the radi...

Page 92: ...two audible signals The latest used exposure mode number starts to flash on the main display Select the cephalometric exposure mode number 4 third collimator slot with the program selection keys The t...

Page 93: ...tubehead and protect yourself from radiation Press and hold down the exposure button The image of the radiation beam from slot number 5 will appear on the alignment tool The radiation beam must appear...

Page 94: ...e filter will filter a narrow area of the left side of the radiation beam The radiation beam must appear within the borders of the rectangle marked on the alignment tool If it does not refer to Primar...

Page 95: ...d country to country it is the responsibility of the installer to ensure that the correct precautions are observed The display values shown in this guide are only examples and should not be interprete...

Page 96: ...oning lights Frankfort plane alignment tool part number 50977 Used with the ball phantom for check ing the position of the Frankfort plane light Sensor alignment tool part number 10002699 S T A R T E...

Page 97: ...cal Manual Beam alignment tool part number 50972 For checking the position of the panoramic X ray beam Cephalostat calibration tool part number 10002935 For calibrating the cephalostat Panoramic mode...

Page 98: ...ANORAMIC X RAY BEAM ADJUSTMENT NOTE Switch the unit off after all the checks and adjustments have been performed before taking any patient exposures 2 1 Removing and attaching the fixed sensor head Re...

Page 99: ...m cover with the 4mm allen screw and slide the cover from its position NOTE In case the X ray is a pan ceph unit with two fixed sensor heads the cover is attached to two attachment pins Unscrew the tw...

Page 100: ...ical Manual Loosen the lock disc attachment screw with the 3mm allen key Fig 4 1 and remove the lock disc from the adapter Fig 4 2 Figure 4 Push the button axle inwards and remove the sensor head from...

Page 101: ...7 PANORAMIC X RAY BEAM ADJUSTMENT Technical Manual Attaching the fixed sensor head to the adapter Push the sensor head to its adapter Figure 6 Place the lock disc to the adapter Fig 7 1 and tighten t...

Page 102: ...button axle towards the lock disk Make sure that the head of the axle goes into the hole on the lock disc and tighten the attachment screw with 3mm allen key Figure 8 To remove the sensor head clearan...

Page 103: ...which case all cephalostat equipped units have two fixed sensor heads Unscrew the bottom cover plate attachment screw with the 4mm allen key and remove the cover plate Figure 10 Turn the lock disc fr...

Page 104: ...anual or remove the fixed sensor head from its adapter refer to section Removing and attaching the fixed sensor head on page E 4 Attach the sensor alignment tool to the adapter Place the beam alignmen...

Page 105: ...h enough to enable the radiation beam to be seen in the darkened room The actual values will depend on how dark the room is Protect yourself from radiation and press the exposure button The beam image...

Page 106: ...ent radiation beam too far to the right or left on page E 14 if needed In case the X ray unit is equipped with cephalostat follow the instructions given in section Radiation beam adjustment Planmeca P...

Page 107: ...or high WARNING DO NOT ADJUST THE POSITION OF THE PRIMARY SLOT MECHANISM WHILE X RAYS ARE BEING GENERATED CHECK THE BEAM POSITION ADJUST THE POSITION WITH THE X RAYS SWITCHED OFF AND THEN RECHECK THE...

Page 108: ...orrectly positioned Tighten the screws and recheck the beam Repeat the above procedure until the beam is correctly positioned Figure 18 Radiation beam not vertical If the beam is not vertical loosen t...

Page 109: ...THE X RAYS SWITCHED OFF AND THEN RECHECK THE POSITION IF THE BEAM IS STILL MISALIGNED REPEAT THE OPERATION If the beams are too high or low loosen the two screws that hold the panoramic primary slot p...

Page 110: ...ammed into the memory Enter the service mode if you are not already in it Press the CTL key Press and hold down the clock key until the number of the slot that you are checking appears on the main dis...

Page 111: ...Figure 23 If you cannot adjust the beam far enough to the left using the method described above you may have to move the metal tab on the draw nut Loosen the securing screw rotate the tab slightly and...

Page 112: ...select a kilovolt value of 70 and a milli ampere value of 12 With enhanced resolution select 70 kV and 6 mA and with normal reso lution select 66 kV and 4 mA Note that these values must be selected t...

Page 113: ...alibrating the sensor head Select Proline from the Settings Type pulldown menu Figure 28 The calibration must be performed with both 3x3 enhanced resolution and 4x4 normal res olution binning Select t...

Page 114: ...ator lights will COME ON Figure 31 The pmpcal2 window with text Waiting appears Figure 32 Press the ready key to drive the X ray to the exposure position The text Exposure appears Figure 33 Take an ex...

Page 115: ...nical Manual The pmpcal2 window with text Waiting appears Figure 36 Press the ready key to drive the X ray to the exposure position The text Exposure appears Figure 37 Take an exposure The sensor head...

Page 116: ...9 The pmpcal2 window with text Waiting appears Figure 40 Touch the ready field to drive the X ray to the exposure position The text Exposure appears Figure 41 Take an exposure The calibration block im...

Page 117: ...status bar at the bottom of the window Figure 42 The message window shown below appears Confirm the selection by clicking Yes or cancel the selection by clicking No While marking the row bad the sens...

Page 118: ...the ball phantom into the patient positioning mechanism Position the layer light beam so that it is on the black reference line on the side of the ball phantom Select the standard panoramic exposure m...

Page 119: ...outermost balls on the left and right sides should appear symmetrically If the distance from the center of the middle ball to the center of the tenth ball on the right side differs more than 2mm from...

Page 120: ...sitioning mechanism to 00 Enter the service mode Select a kilovolt value of 60 and a milliampere value of 2 Note that it is only possible to select this low mA value in the service mode Exit the servi...

Page 121: ...e to define a refer ence distance as follows Click the CAL button and then draw a long horizontal line to the image by clicking the start point releasing the mouse button and clicking the end point Th...

Page 122: ...tom s y direction on page E 30 Figure 51 If the distance from the middle ball to the center of the tenth ball on the left hand side is less than 118mm and on the right hand side more than 122mm then t...

Page 123: ...st be moved forwards Fig 53 Figure 53 If the distances from the middle ball to the center of the tenth ball on both the right and left are less than 118mm then the patient positioning mechanism is too...

Page 124: ...ady the indicator light will come on Start to take a test exposure by pressing and holding down exposure button on the remote control Stop pressing the exposure button about halfway through the exposu...

Page 125: ...il the mechanism is centered Figure 57 Make sure that the y line on the ball phantom is parallel to the line on the underside of the alignment ruler Note that the line on the ball phantom and the line...

Page 126: ...ing down exposure button on the remote control Stop pressing the exposure button after about two seconds so that the rotating unit stops moving An error code will appear on the display Clear the error...

Page 127: ...n of the patient positioning mechanism until the line on the ball phantom lines up with the line on the alignment ruler The position of the mechanism will appear on the display Press the CTL key The i...

Page 128: ...y pressing and holding down exposure button on the remote control Stop pressing the exposure button after about 16 seconds so that the rotating unit stops moving near the end position An error code wi...

Page 129: ...towards the ball phantom s x line until the distance is less than 1mm according to the instructions given in section Adjusting the position of the sensor head on page E 35 Correct only half of the de...

Page 130: ...The Frankfort plane light beam should be located between the two black lines on the align ment tool It should be horizontal Figure 66 The focal trough positioning light beam should be positioned so th...

Page 131: ...NING LIGHTS Technical Manual 5 2 Positioning light adjustment Bending the mirror bracket backwards or forwards will position the light beam Figure 68 Rotating the mirror bracket will adjust the light...

Page 132: ...ments are performed according to the instructions given in chapter ADJUSTMENT CALIBRATION on page D 1 MECHANICAL ADJUSTMENT OR THE ROTATIONAL PART refer to section MECHANICAL ADJUSTMENT OF THE ROTATIO...

Page 133: ...als The latest used exposure mode number starts to flash on the main display Select the image area 4 with the program selection keys The text CPH4 will appear on the main display The rotating unit wil...

Page 134: ...al Removing the second primary slot Remove the second primary slot from the cephalostat head support as follows Unscrew the primary slot cover attachment screw with the 4mm allen key and remove the sl...

Page 135: ...m removing the covers Unscrew the bottom cover plate attachment screw with the 4mm allen key and remove the cover plate Figure 73 Turn the lock disc from above the locking plate and push in the quick...

Page 136: ...roline EC X ray unit CEPHALOSTAT ADJUSTMENT Technical Manual Slide the cover from its position Figure 75 Removing and attaching the fixed sensor head Unscrew the bottom cover plate attachment screw wi...

Page 137: ...X ray unit E 43 CEPHALOSTAT ADJUSTMENT Technical Manual Unscrew the attachment screw of the adapter cover and slide the cover from its position Figure 77 Unscrew the upper cover attachment screw with...

Page 138: ...T E 44 Planmeca Proline EC X ray unit CEPHALOSTAT ADJUSTMENT Technical Manual Loosen the four screws located on the lock disc Figure 79 Loosen the lock disc attachment screw with the 3mm allen key and...

Page 139: ...Planmeca Proline EC X ray unit E 45 CEPHALOSTAT ADJUSTMENT Technical Manual Loosen the button axle attachment screw with the 3mm allen key and push the button axle inwards Figure 81 Remove the sensor...

Page 140: ...to the head support Use a sprit level to check the sensor head position i e the sensor alignment tool position see Fig 84 on page E 47 In case it is not perpendicular to the head support the angle of...

Page 141: ...47 CEPHALOSTAT ADJUSTMENT Technical Manual Adjust the head support angle with the two screws located on the left side of the mechanism use 2 5mm allen key see Fig 84 so that the sensor alignment tool...

Page 142: ...nd starts to flash You are now in the primary slot calibration mode Repeatedly press the clock key until the letter C appears on the main display This selection is used to check the position of the le...

Page 143: ...on on page E 51 Figure 86 Press the clock key once The letter d will appear on the main display Stand behind the tubehead and protect yourself from radiation Press and hold down the exposure button Th...

Page 144: ...Radiation beam adjustment Planmeca Proline EC Pan Ceph X ray on page E 15 The adjustment is performed in the same way as when adjusting the standard panoramic slot Figure 89 Move the beam alignment to...

Page 145: ...he other screw clockwise with the 6mm allen key to the left Figure 90 If the cephalostat arm position adjustment does not enough correct the beam alignment the position of the latch of the rotating un...

Page 146: ...cribed in section How to enter exit the service mode on page B 6 Press the CTL key and press and hold the mA key for 4 seconds to change the mA range The ranges are default 4 12 mA and low 2 12 mA The...

Page 147: ...osure Start the Dimax3 calibration program by double clicking the Dimax2Tool exe program icon located in the Dimaxis program folder The Dimax2Tool window appears Figure 93 Calibrating the sensor head...

Page 148: ...l Press the ready key to drive the X ray to the exposure position The text Exposure appears Figure 97 Take an exposure The sensor head is now calibrated After the exposure has been taken the image is...

Page 149: ...the right left arrow keys and the left edge with the up down keys Figure 99 While editing the shape of the triangle the sensor is simultaneously recalibrated If the evenly shaped triangle can not be...

Page 150: ...so the cephalostat adjustments by taking an exposure from the ear posts see section Checking the head support position on page E 59 Editing the calibration image In case the calibration image contains...

Page 151: ...ady marked six rows more rows cannot be marked and the following message window appears Figure 105 The row can be returned back to normal by clicking it with the right mouse button Taking an ear posts...

Page 152: ...image you will see the images of a metal ball and a metal ring The must be concentric or if not exactly concentric there must be a small gap between the edge of the ball and the inner edge of the cir...

Page 153: ...r Rotate the head support to the 90 position and place the two ear posts into their holders if they are not already installed Figure 109 Embedded in the end of the left V or L ear post there is a meta...

Page 154: ...r of cephalostat head support Make sure that the locking screw of the adjustment flange is loosened Fig 112 1 Adjust the head support position according to the Fig 112 Rotate the head support around i...

Page 155: ...and Fig 112 below Figure 112 Fasten the loosened screws and replace the covers NOTE CHECK THE RADIATION BEAM ALIGNMENT ACCORDING TO THE INSTRUCTIONS GIVEN IN SECTION Checking the cephalometric beam a...

Page 156: ...tion beam can now be checked without the sensor head moving Press the CTL key Press and hold down the clock key until the number of the slot that you are checking appears on the main display SLO and t...

Page 157: ...rotect yourself from radiation Press and hold down the exposure button The image of the radiation beam will appear on the alignment tool The beam image should appear within the borders of the rectangl...

Page 158: ...position Loosen all the three screws located on the side of second primary slot with the 4mm allen key Figure 115 Move the second primary slot in vertical direction until the slot is correctly positi...

Page 159: ...positioned use the 2 5mm allen key Figure 117 Second primary slot too far to the right or left Loosen the attachment screws of second primary slot with the 4mm allen key and move the slot in horizonta...

Page 160: ...in the image NOTE The Image area shifting is possible from software versions PK 5 12 and PG 5 12 Upgrade the software if needed 8 1 Adjusting the position of the frame cover fastening flat spring Remo...

Page 161: ...AGE AREA SHIFTING Technical Manual The frame cover fastening flat spring must be on the same level as the trail holder see figure below 1 If needed loosen the attachment screws 2 and move the fastenin...

Page 162: ...n the figure below Figure 121 The image area is shifted in the service mode as follows Enter the service mode Press the CTL key and simultaneously press and hold down the hid den key until the tempera...

Page 163: ...value CS1 Change the parameter value with the up down keys To accept the parameter value press the Ready key To exit the service mode press the CEPH key briefly You have to adjust the cephalometric be...

Page 164: ...Chapter E DIMAX3 DIGITAL SYSTEM ADJUSTMENT E 70 Planmeca Proline EC X ray unit IMAGE AREA SHIFTING Technical Manual...

Page 165: ...aces can be cleaned with a soft cloth damped in a mild cleaning solution 1 2 Operator s checks Exposure indicators Confirm that the exposure indicator lights turn on in the control panel and in the re...

Page 166: ...ard is to be changed in whole and sent back to the factory for recalibration that is done by replacing the faulty component The parameters to be checked are the following Before exposure kV measuremen...

Page 167: ...nnected between the connector J1 5 and tubehead ground Read the multimeter display Acceptable value between J1 5 and tubehead ground is from 379 ohms to 387 ohms 4 1 8 5 J1 5 mA measurement PSU Tube C...

Page 168: ...mic mode use a fluorescent screen to determine the X ray field area if you are not totally sure about it 2 The sensor distance from the focal spot should be as short as possible to maximise the sig na...

Page 169: ...time This method requires that the covers around the tube head assembly are removed The analog feedback voltage signals can be measured with a calibrated multimeter An oscilloscope is required if kV...

Page 170: ...interval during which the tube potential exceeds 70 of the peak tube potential The exposure time must be within 10 of the value displayed in the user interface Feedback signal offset measurement The...

Page 171: ...information when tracing sensor and switch signals since the sig nals can be viewed here 2 ERROR MESSAGES Please refer to sections ERROR MESSAGES on page C 2 and ERROR MESSAGE EXPLANATIONS on page C...

Page 172: ...last at least two months When the equipment is turned on with a flat battery the clock display and mm display are blinking all zeroes In the following is explained which information is lost and with w...

Page 173: ...rotation part can be moved with hands motor or generator processor PCB faulty or one motor cable loose Check the connections and try with new generator processor PCB SYMPTOM POSSIBLE REASON CORRECTIVE...

Page 174: ...or and gear dam aged Cable guide stucks SYMPTOM POSSIBLE REASON CORRECTIVE ACTION Rotation cycle gets stuck The equipment is installed atilt Adjustment of the guidance wheel erroneous Adjustment of th...

Page 175: ...The noise besides these is abnormal Attachment of the driving sur face to the groove Function of the cable guide SYMPTOM POSSIBLE REASON CORRECTIVE ACTION Cassette motor is not running Keyboard out o...

Page 176: ...REASON CORRECTIVE ACTION Trembles during movement Dirt in linear bearings or driving surface Spiral gear damaged SYMPTOM POSSIBLE REASON CORRECTIVE ACTION Abnormal noise from the mech anism Cassette c...

Page 177: ...d to zero after installing the reference Hall sensor or keyboard processor PCB or that the accu mulator is empty SYMPTOM POSSIBLE REASON CORRECTIVE ACTION Motor is not running Keyboard out of order PC...

Page 178: ...or connector loose PCB out of order or connector loose Motor starts but supports immobile Pin loose Drawing nut glides on motor axle Thread of drawing nut dam aged SYMPTOM POSSIBLE REASON CORRECTIVE...

Page 179: ...f order or connector loose Motor functions stalls Locking between secondary axle and bending wheels glides Counterweight or Z carriage has stuck Transportation pins or locking screw of counterweight n...

Page 180: ...radiograph SYMPTOM POSSIBLE REASON CORRECTIVE ACTION Z carriage gets stuck One of the steel cables broken Creeping speed adjusted incor rectly Cables or cable wheel dam aged SYMPTOM POSSIBLE REASON CO...

Page 181: ...posed SYMPTOM POSSIBLE REASON CORRECTIVE ACTION Very light radiographs Film cassette upside down in its holder Primary slot positioned so that the radiation beam goes trough the secondary slot Seconda...

Page 182: ...Chapter G TROUBLESHOOTING G 12 Planmeca Proline EC X ray unit PROBLEMS IN RADIOGRAPHS Technical Manual...

Page 183: ...xing screws that can be seen after removing the front cover 1 2 Secondary slot cover Remove the secondary slot cover by unscrewing the 4 screws at the cassette head 1 3 Cassette carriage back cover Re...

Page 184: ...emove the cover 1 7 Upper shelf cover a Remove the rotating part b Remove the connectors of the sagittal light c Remove the fixing screws of the cover d Remove the cover 2 MOTORS 2 1 Z motor a Lock th...

Page 185: ...utch from the motor axle e 2 3 Cassette motor gear a Remove the outer secondary slot and back cover of the cassette head b Remove the loading spring of the cassette motor c Remove the connector d Remo...

Page 186: ...oard There are memory chips on the board and if you change the board the information what is in the memory will be lost Some of the information can be reprogrammed Information what will be lost Exposu...

Page 187: ...cover by unscrewing the 4 screws at the cassette head e Tilt the tubehead end of the cover downwards and the other end will be released Be careful not to drop the cover on the collimator Remove the pr...

Page 188: ...Chapter H PARTS REPLACEMENT REPAIR H 6 Planmeca Proline EC X ray unit CHANGING THE TUBEHEAD Technical Manual...

Page 189: ...he Z carriage and the rotating unit The upper horizontal part of the Z carriage upper support arm assembly supports the rotating unit and contains mechanics determining the kinematics of the rotation...

Page 190: ...timal way throughout the excursion The geometry of the driving groove of the block Fig 3 4 is as follows The groove has the shape of a curve of a circle symmetrically to both directions from the cente...

Page 191: ...he bearing point B dur ing the rotating cycle Apart from point B the path of the rotating movement is also deter mined by drive guide point C On the main block Fig 2 4 there is a U groove and a guide...

Page 192: ...rt wheel The cassette carriage is driven by an friction wheel Fig 3 4 which is in contact with the top surface of the slot The lateral force caused by the cassette holder the weight of the film casset...

Page 193: ...echanism A carriage Fig 4 2 is attached with bearings and axles Fig 4 3 and 4 to the frame The panoramic carriage is locked to the frame The cassette holder Fig 4 5 is attached with linear bearings to...

Page 194: ...adiation window frame Under a nut there is an inner limiting slot sheet which consists of an aluminium filter plate and lead plates with holes The lead plate reduces the radiation beam for the actual...

Page 195: ...of the collimator tube there is a second inner primary slot Fig 6 2 which reduces secondary radiation scattering from the inner parts of the collimator tube Part Fig 6 3 is the frame of the primary s...

Page 196: ...ealized with a Hall detector The detector is located on a PCB card Fig 7 8 and the magnet is located on a bar attached to the installation plate Fig 7 1 The microprocessor controls the linear movement...

Page 197: ...EC X ray unit I 9 MECHANICAL CONSTRUCTION AND OPERATION Technical Manual The microprocessor commands the movement of the motor The function of the command system is described in section Circuit boards...

Page 198: ...drive pulleys through a worm gear transmission Fig 8 10 In practice only one of the two pulleys is closely connected to the secondary axle of the transmission whereas the other is freely assembled wit...

Page 199: ...al Manual A Hall detector in the vertical part of the Z carriage is the limit switch for the Z carriage move ment The detector gets impulses from magnets Fig 8 32 of the column Commandment of height a...

Page 200: ...d When the tubehead is replaced it must be correctly aligned and the tube type must be given to the system after which the system must be allowed to learn the filament characteristics 2 2 Circuit boar...

Page 201: ...r adjust motor and the patient temple rest motor It also controls the operation of the generator processor and gives the operation commands to it via one serial communications cable It operates the tw...

Page 202: ...y to full speed When the button is released the motor stops immediately if it was still in the slow mode but slows down softly if it was running faster If the motor is driven to the end of it s traver...

Page 203: ...nsor on the LAYER HOLD LIMITS board whether the temple rests are open or closed If the sensor is active near the magnet it is detected as a closed position and the motor is driven into open direction...

Page 204: ...2 4 Lasers To make it as easy as possible to position the patient rightly three positioning lights are pro vided All the lights are similar in construction The light beam adjustment is done by bending...

Page 205: ...Planmeca Proline EC X ray unit J 1 Chapter Technical Manual J WIRING DIAGRAM...

Page 206: ...Chapter J WIRING DIAGRAM J 2 Planmeca Proline EC X ray unit Technical Manual...

Page 207: ...er Laser P1 105 10 08 Primary Slot Motor Rotation Motor Rotation Lock End Limit Primary Position Detector Start Limit 105 10 04 Cassette Limits PCB Cassette Motor Ceph Lock Z Carr Autoprint Connector...

Page 208: ......

Page 209: ......

Page 210: ...PLANMECA OY Asentajankatu 6 00880 Helsinki Finland tel 358 20 7795 500 fax 358 20 7795 555 e mail sales planmeca com www planmeca com www planmeca com...

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