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Preva Dental X-Ray System

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1. 3 4 On the Power Supply Board measure the voltage across TP5 the Common Return and TP8 350 volts DC as shown in Figure 58 This voltage will be acceptable if measured between 330 and 390 volts DC Values above or below this number indicate the need to replace the Power Supply Board If the voltage is correct inspect the condition of the cabling between the Power Supply Board Power Supply Control Board and Tubehead Assembly CAUTION High voltage present Of particular importance are the conductors held by the black connectors These conductors transmit the feedback values from the Tubehead Assembly and directly affect the control of power to the Tubehead Assembly Connections for this cable begin with controls at J1 of the Power Supply Board and J4 of the Power Supply Control Board As shown in Figure 51 an internal set of connections will be accessed below the distal side of the horizontal arm and at the inside top of the Tubehead Yoke The final set of connections is accessed by removing the Pivot Cap located at the attachment point of the Tubehead to the Yoke If the cabling is found acceptable select 1 5 seconds of exposure time and placing a DC voltmeter on TP1 the Common Return on the Power Supply Control Board measure the feedback values at TP9 mA Monitor and TP10 kV Monitor as shown in Figure 59 Look for the following values e TP9 mA Monitor This voltage should be between 1 5 and 3 5 volts DC during exposu
2. 4x4 Mount Kit sessssessssssssseds 30 A2099 f 110 Maintenance Preva Operator Panel Figure 81 Operator Panel Cables Cat 5 50ft E1 13034 Cat 5 25ft E1 13003 Cat 5 6 inch E1 13004 Exposure Cord Pigtail 30 08035 111 30 P0037 Remote Front 30 A2076 30 K0007 Cover Operator Operator Control Panel Panel Overlay 30 P0029 Wall Mount Cradle 30 P0003 Remote Back Cover 30 08054 Operator Panel PCB Maintenance Preva Control Unit Oo 30 F4024 30 08078 Switch Bracket Power Switch Assy E1 19026 Rocker Switch 30 A2049 aaah Brake Assy Power PCB 7 Sy saieti 30 08072 Grey Progeny In Lug gt 30 P08043 Logic PCB 30 P0016 H1 63 M09016 47 mew Wall Mount Cover Figure 82 30 P0019 Control Control Insert Unit Assembly 112 Maintenance Preva Hand Switch 30 A2040 Handswitch Assy E1 19003 Replacement Switch for Handswitch Assy 30 P0025 Handswitch Hook Figure 83 fa E1 13005 Switch Coil Cord 113 Maintenance Preva Specifications Preva Dental X Ray System The following specifications contain information required per 21 CFR to be provided to the user Line Voltage Line Load Maximum Rated Tube Potential kVp Accuracy Tube Current Exposure Time Timer Accuracy Source to Skin Distance Minimum Half Value Layer Minimum Inherent Filtration Focal Spot Automatic Cooling Time Leaka
3. Mount 16 When installing the Preva Dental X Ray System on two 16 inch centered wood studs the Control Unit mounts to a wall plate Two Stud Mounting Kit 30 A2042 purchased as an option which mounts to the wood studs as shown in Figure 10 Fasteners are provided with the wall plate In mounting configurations using the dual stud wall plate there are several holes available for incoming line power This is to provide for various locations of existing power boxes when installing as a replacement unit Refer to the reverse side of the mounting template Figure 8 for hole locations Installation Options Preva Metal Stud Wall Figure 11 Metal Stud Mount 17 When installing the Preva Dental X Ray System on a metal stud wall the Control Unit mounts to a wall plate Two Stud Mounting Kit 30 A2042 purchased as an option and uses an additional support plate Metal Stud Support Plate Kit 30 A2043 purchased as an option positioned on the back end of the wall See Figure 11 Fasteners are provided with the wall plate and support plate The wall fabrication and attachments to the building structure must be capable of withstanding a load moment of 850 ft lbs 118 kg m If the wall on which the Preva is to be installed does not meet this requirement it must be reinforced In mounting configurations using the dual stud wall plate there are several holes available for incoming line power This is to provide for various locations
4. On the Power Supply Control Board place a voltmeter on TP1 the Common Return and TP7 kV Program as shown in Figure 59 Compare measurements to the following chart volts DC 60 kV 65 kV 70 kV 4 mA 3 1 3 4 3 5mA 3 2 3 5 3 75 6mA 3 3 3 8 3 8 7mA 3 4 3 NA 2 To evaluate the feedback voltages that represent the measured kV within the system compare the observed values in the table below To properly observe these values select 1 5 seconds of exposure time and measure the DC voltages during the exposure only This measurement is made across TP1 the common return and TP10 the kV Monitor as shown in Figure 59 60 kV 65 kV 70 kV 4mA 3 1 3 4 3 5 mA 3 2 3 5 3 75 6 mA 3 3 3 6 3 8 7 mA 3 3 3 65 NA Values that approximately match the above tables represent a correctly operating system Other values may indicate that boards need to be replaced Additional assistance can be obtained from Progeny Technical Support Troubleshooting Preva gt i Figure 59 Power Supply Control Board 30 08043 85 Troubleshooting Preva Incorrect mA At times various measurements of an otherwise fully functional system indicate that milliamperage may be incorrect Milliamperage is controlled by the microprocessor and is not adjustable The Preva generates milliamperage by first establishing a reference voltage and then comparing the feedback voltage to the reference Follow these steps to establish proper operation of the mA controls 1 O
5. System Function Checklist and the calibration instructions which may be found in the Installation and Service Manual 51 Maintenance Preva Optional Installation Procedures Installing the Coil cord Hand Switch Option 30 A2040 The Preva Dental X Ray System can be installed with an optional coil cord hand switch 30 A2040 The coil cord hand switch is used to make exposures in addition to or replacing the use of the exposure button Installation of the coil cord hand switch involves connecting the hand switch into the connector on the bottom of the Operator Panel Note The coil cord hand switch is not included with the standard system Jumper If the coil cord hand switch is used it may be required to disable the Exposure Configuration for button on the control panel consult your local laws A jumper must be removed Coil cord Hand on the Operator Panel Board 30 08054 shown in Figure 35 to disable the 3 4 J2 operation of the hand switch Switch A 2 Turn the power off Remove the Operator Panel from its mounting on the Control Unit or wall plate Unplug the cable that connects the Operator Panel to the Control Unit With a Phillips screwdriver remove the 4 screws from the back of the Operator Panel Put the screws in a safe location for later use Remove the back cover from the Operator Panel Lift out the Operator Panel Board 30 08054 To disable the use of the Exposure button on the Operator Panel loc
6. Arm and Horizontal Arm Cables Figure 22A Connecting optional Integrated Sensor Cable 35 Installation Procedures Preva Connecting CAUTION the a Horizontal Verify that line power is disconnected before proceeding Arm Cables 1 Attach the black connector from the Horizontal Arm to point J4 of the Power Supply to the Control Board 30 08043 as shown in Figure 23 Power Note The plug must be properly oriented Be sure that the tabs on the connector Supply are down 2 Attach the white connector from the Horizontal Arm to point J1 on the Power Supply Board Board 30 08041 as shown in Figure 23 Note The plug must be properly oriented Be sure that the tabs on the connector are down Figure 23 Connecting the Horizontal Arm Cables to the Circuit Boards Optional 1 Optional integrated sensor cable Ty wrap the USB cable to the tie block Integrated provided as shown in Figure 23A Sensor 36 Installation Procedures Preva Attach provided tie block a here loop and tie the cable to the tie block Figure 23A Tying optional sensor cable out of harms way 37 Installation Procedures Preva Connecting 1 Using a 3 mm Allen wrench remove the power line terminal strip cover at the base Line Power of the Power Supply Control Board to gain access to the power line terminal strip as shown in Figure 24 2 Attach a flanged spade and connect the hot black wire of the power line to the co
7. Cabinet Figure 9 Wood Wall Stud Mount 15 The Control Unit should be located at a height of 39 inches 99 cm from the floor to the bottom of the control mounted on the wood stud as shown in Figure 9 The large range of travel of the Articulating Arm provides some flexibility in the vertical position Two mounting holes are provided Refer to the supplied mounting template shown in Figure 8 for specific locations When installing in a reinforced wood cabinet refer to the manufacturer of the pass through box or cabinet for proper mounting configuration and height Refer to the supplied mounting template for specific locations of power supply and or Operator Panel cable access points In order to mount to a solid masonry type wall the same mounting holes and mounting template as the single wood wall stud are used The installer must supply appropriate fasteners The power supply 2x4 junction box should be mounted to the left of the mounting stud at the appropriate height as indicated in the mounting template Note A 4x4 junction box will not be covered by the Control Unit Refer to the supplied mounting template for specific location WARNING UNDER NO CIRCUMSTANCES SHOULD THE 82 INCH 208 CM REACH SYSTEM BE ATTACHED TO A WALL IN THE SINGLE STUD CONFIGURATION PLEASE DIRECT ANY QUESTIONS ON THIS MATTER TO THE PROGENY TECHNICAL SUPPORT GROUP Installation Options Preva Dual Wood Stud Wall Figure 10 Dual Wood Stud
8. DU PERSONNEL AUTORISE VOIR MANUEL DE LOPERATEUR WARNING X RAY THIS X RAY UNIT MAY BE DANGEROUS TO PATIENT AND OPERATOR UNLESS SAFE EXPOSURE FACTORS AND OPERATING INSTRUCTIONS ARE OBSERVED X RAY EMISSION Mains HOT WIRE Mains NEUTRAL WIRE Earth Ground bb Eee gt Obtaining Technical Support Contact Midmark Corporation 675 Heathrow Dr Lincolnshire IL 60069 Phone 888 924 3800 Fax 847 415 9801 techsupport progenydental com Installation Options Preva Installation Options Mounting Configurations Mounting This section gives instructions for installing the Preva Dental X Ray System in three Template mounting configurations Use the mounting template shown in Figure 8 to guide single stud installations Reverse the template for dual stud installations p proseny PEE WAL ia A Figure 8 Mounting Template CAUTION When installing the intraoral system combined with the 82 inch 209 centimeter reach arm wall fabrication and attachments to the building structure must be capable of withstanding a load moment of 920 pounds 418 kilograms CAUTION Lag screws are not intended to be used as an attachment method for metal supports such as those found in center island pass through cabinets Progeny provides machine screws large flat washers and nylock nuts to use when fastening the system to metal supports 14 Installation Options Preva Single Wood Stud Wall Solid Wall or Reinforced Wood
9. Panel 45 In the remote location the Operator Panel snaps to the Operator Panel mounting cradle which is first mounted on the wall 1 10 11 12 13 14 15 Place and level the mounting template shown in Figure 8 at eye level in the location where the Operator Panel is to be installed Tape the mounting template to the wall Using an awl or other sharp object punch through the mounting template to mark the location for the bolts for the Operator Panel mounting cradle Drill pilot holes at marked locations With a drywall knife cut an opening as shown on the mounting template Remove the mounting template from the wall Using the anchors and screws from the mounting hardware bag install the Operator Panel mounting cradle in the position marked Locate the 25 foot remote control cable Run the remote control cable in compliance with local codes from the intended location of the remote Operator Panel to the back of the Control Unit Note The cable can also be run to an electrical box or opening at the top left of the wall plate assembly A sufficient length of cable should be left available to bring the remote cable out to the bottom front of the Control Unit Plug the remote control cable into the bottom of the Power Supply Control Board 30 08043 Place the top of the front cover on the Control Unit and pop the bottom of the cover into place as shown in Figure 30 being careful of the power switch and cover alignment
10. Replace the screw on the front cover of the Control Unit Place the Progeny cover plate over the top opening and the small trim cover over the bottom opening on the front cover of the Control Unit Locate the Operator Panel in the top portion of the shipping carton Connect the other end of the remote cable to the right plug as viewed from the back on the bottom of the Operator Panel Carefully dress the white cable back into the wall Snap the Operator Panel to the mounting cradle as shown in Figure 32 Installation Procedures Preva Figure 32 Snapping the Operator Panel to the Mounting Cradle 46 Installation Procedures Preva Installing Plastic Covers Figure 33 Cover Locations 4 The end cap for the Horizontal Arm is shipped in the bag of plastic parts and is put on as part of the installation procedures End caps for the Articulating Arm are shipped installed but are removable to perform mechanical adjustments The cable access cover is placed over the cable connection underneath the Horizontal Arm Cover locations are shown in Figure 33 1 Place the plastic cover from the miscellaneous plastic bag on the end of the Horizontal Arm 2 Install the cable access cover over the Horizontal Arm opening using two Phillips flat head screws Maintenance Preva Preva Operator Panel Using the Operator Panel Power On When the Preva Dental X Ray System is powered on the Operator Panel Settings shown in Figure 3
11. address this issue 1 2 3 Inspect the condition of the high voltage circuit by operating the Preva in the diagnostic mode Confirm incorrect kV or mA Inspect the Preva s internal horizontal and articulated arm wiring Repair as necessary If wiring is intact and the firmware revision is 5 0 or less attempt system recalibration If greater replace logic PCB assy If calibration cannot be achieved the problem may require replacement of the tubehead assembly Contact Progeny technical support for further assistance Check if D11 DIAG LED Logic Board is on If so check that DIP Switch 3 SW1 Logic Board is in the correct position for the brand of x ray tube in the unit The label on the tube head will indicate either Toshiba or Kailong DIP Switch 3 should be in the ON position for Toshiba Off for Kailong Troubleshooting Preva No X Ray Produced but Exposure Indicators Detected No kV Produced 73 When no x ray is produced the Preva may still operate the exposure indicators The procedure to troubleshoot a no x ray condition depends on which exposure indicators are detected 1 A Activate diagnostic mode as explained in the System Configuration section of this manual Take an exposure Follow the appropriate procedure below e f no kV is produced go to the procedure No kV Produced e f no mA is produced go to the procedure No mA Produced e f no I is produ
12. from the back on the bottom of the Operator Panel Connect the short white cable to the right plug socket Carefully dress the two cables back into the front cover of the Control Unit Snap the Operator Panel into place on the front cover of the Control Unit Mount the bracket for the coil cord hand switch in a convenient location Stow the coil cord hand switch Route the cable from the coil cord hand switch through the hole in the wall mounting plate Place a loop of the coil cord into the notch Locate the Operator Panel in the top portion of the shipping carton Connect the coil cord hand switch to the left plug socket as viewed from the back on the bottom of the Operator Panel Connect the control cable to the right plug socket Carefully dress the two cables back into the wall Snap the Operator Panel into place on the wall mounting plate Mount the bracket for the coil cord hand switch in a convenient location Stow the coil cord hand switch Optional Installation Procedures Preva Installing the Progeny Remote Exposure Station 30 A2044 The Remote Exposure Station is an option for the Preva that allows the operator to make the exposure from a fixed location remote from the main unit As shown in Figure 36 a single switch can be used or two switches can be used in series or in parallel Two switches in series will require both switches to be pressed simultaneously to make an exposure If two switches are used in para
13. represents the presence of stored energy As an added safety practice it is recommended to measure for the presence of DC voltage across TP8 and TP5 of the Power Supply Board Troubleshooting Preva No Operator Display but Power Switch is ON 68 Your responsibilities as an installer and service engineer Verification of machine performance after installation must be performed according to the guidelines identified in the System Function Checklist which may be found in the User Manual or the Installation and Service Manual Verification of machine performance after maintenance or repair must be performed according to the guidelines identified in the System Function Checklist and the calibration instructions which may be found in the Installation and Service Manual 1 On the Power Supply Board 30 08041 check for the presence of 100 to 230 volts AC at J4 the Input Power Terminal Strip as shown in Figure 46 If power is absent check that the Preva is connected to line power 2 On the Power Supply Board 30 08041 measure incoming power at J3 the Line Switch Connector as shown in Figure 46 Positions 2 and 4 carry the line voltage before the Line Switch and positions 1 and 3 carry the line voltage after the Line Switch Voltage at the input side of the switch but not at the output requires replacement of the Line Switch E1 19000 3 Inspect the condition of the communication cable between the Power Supply Cont
14. tube head in to the yoke collar 93 Maintenance Preva Figure 19 21 Feed the connectors and ground wire of the yoke cable through the first spanner nut Figure 20 22 Manually thread the spanner nut on the tube head shaft Insert a small screwdriver into one of the alignment holes to finish tightening the spanner ring Figure 21 94 Maintenance Preva 95 23 Feed the connectors and ground wire of the yoke cable through the spanner wrench Figure 22 24 Align the three pins on the spanner wrench with the three holes in the spanner nut 20 26 21 28 NOTE Take care not to pinch or cut any of the yoke cable assembly wires Doing so will cause intermittent exposure or no exposures resulting in a second service call Figure 23 Tighten the spanner nut Carefully remove the spanner wrench NOTE Take care not to damage the connectors Repeat steps 21 through 26 for the second spanner nut Feed the black connector through the yoke collar NOTE Take care not to damage the connector Maintenance Preva Figure 24 29 Feed the white connector through the yoke collar NOTE Take care not to damage the connector Figure 25 96 Maintenance Preva 30 Feed the ground wire through the yoke collar NOTE Take care not to damage the connector Figure 26 31 Re attach the two ground cables that were removed in Step6 Figure 27 32 Connect the black and white co
15. when any exposure switch is pressed The second audible indicator initiates when the Power Supply Control Board begins the exposure sequence During normal operation first the Operator Panel indicator will sound followed shortly thereafter by the Power Supply Control indicator It is important to recognize the sequence for troubleshooting purposes la If the Operator Panel indicator does not sound inspect the condition of any remote exposure switches Substitution is the preferred method to test these switches although a jumper wire can be applied across the contacts of J3 shown in Figure 56 on the Power Supply Control Board momentarily to simulate an exposure switch closure If the Operator Display indicator sounds but the Power Supply Control Board indicator does not activate observe LED D2 on the Power Supply Board and listen for the relay LS1 to activate on this same board Figure 57 LED D2 should illuminate during the exposure request If not inspect the condition of the ribbon cable between the Power Supply and the Power Supply Control Boards If the ribbon cable is acceptable replace the Power Supply Control Board h Lome JARA VA tos CAR sa OW J3 Remote exposure switch connector CEEI Troubleshooting Preva Figure 57 Power Supply Board 30 08041 81 Troubleshooting Preva High voltage Breakdown 82 High voltage breakdown is characterized by a loud snap sound during an exposure request 1
16. 3 Attach the remote switch holster by removing the adhesive backer and attaching to the frame See Fig 24 FIG 24 127 Appendix A Preva See Page 40 for de Arm and end Figure 85 Mobile Unit Assembly Mobile Assembly Parts List Item Part Number Description Qty 1 30 A2093 Velcro Strap 1 2 H1 15 m16020 10 Screw 2 3 30 A2111 Mobile Stand Handle w Grips 1 4 30 A2076 Operator Panel Vet see component breakdown 1 on page 39 5 H1 61 M13008 01 Screw 2 6 30 M3010 Cradle 1 7 E1 13029 8 Cond RJ45 to RJ45 2m 1 8 30 M0045 Column 1 9 H1 61 M05008 01 Screw 5 10 H1 P2 m04000 01 Washer 5 11 30 M0046 Column Screw 1 12 30 S0036 Caster Swivel w Brake 1 13 30 S0035 Caster Swivel 2 14 30 A2078 Mobile Stand Base 2 15 30 A1032 Control see component breakdown on page 38 1 16 30 08098 Switch Asm Preva Mobile Stand 1 17 30 A2040 Remote Control Switch Asm 1 18 H1 63 m09008 17 Screw 2 19 30 P0017 Access Cover 1 20 30 A2109 Brake 1 21 E1 13028 Line Cord Not Shown 1 128 Maintenance Preva Appendix B Electronics Block Diagram Operator Panel Monitor PCB Power Supply PCB Figure 86 Electronic Block Diagram 129 Feedthrough Filament Feedback Control mA kV Fil Logic PCB Operator Panel Buttons Exposure Key LCD Display
17. 4 displays the selections that were in use when the system was last powered off Exposure The Operator Panel displays the exposure settings kV mA and seconds for Settings the currently selected tooth image receptor type and patient size Use the Tooth Selection Image Receptor Type and Patient Size buttons to select other exposure settings Adjusting Preset exposure settings can be adjusted prior to making an exposure Exposure Exposure time can be easily changed by simply using the up and down buttons To adjust Settings kV and mA use the right arrow to select the exposure setting to adjust Then use the up and down arrow buttons to adjust the value To save new presets use the System Configuration mode described later in this manual Exposure Button The Exposure button is used to initiate an x ray exposure For a complete and Ready exposure the button must be pressed and held until the Radiation Indicator no Indicator CP AAA EA EA AAA 406 Up Down Arrows longer illuminates and the audible signal is no longer heard Releasing the Exposure button immediately terminates the x ray exposure CEA a 3 LEE E E E S E EEEE EEEE EEE E Leese es 1 Patient Selector A aaa Ready Light CANADA fe Exposure Button Figure 34 Preva Operator Panel 48 J eee eee Radiation Indicator Maintenance Preva Checking System Functions The following checks must be performed to complete
18. 4 to change additional presets When you have completed all changes press the Tooth Selection and Patient Size Selection buttons simultaneously for 5 seconds to record the change System Configuration Preva Recall Presets Figure 43 Preset Options Menu To return all presets to factory defaults select RECALL PRESETS from the Preset Options menu The menu will ask you to confirm your choice Select YES using the up arrow button and return all presets to factory default settings Selecting YES will erase any custom presets that have been set up Select NO using the down arrow button and retain current presets PRESET OPTIONS EDIT PRESETS gt SELECT RECEPTOR P RECALL PRESETS P EXIT Showing Current System Configuration Figure 44 Configuration Menu 63 1 2 The Preva Dental X Ray System displays the current system configuration This display is informational only From the Main System Configuration menu Figure 41 select CONFIGURE UNIT You will see the Configuration menu shown in Figure 44 Select SHOW CONFIG The display will show e Current software version e Cone size e Diagnostic mode on or off Press any button on the Operator Panel to return to the Configuration menu CONFIGURE UNIT SET CONFIG SHOW MAINT gt EXIT System Configuration Preva Changing the Cone Size Using a 12 inch Cone Figure 45 Set Configuration Menu 64 Selecting SET CONFIG from the Configur
19. 7016 621 2 159 cm 7016 66 1 2 169 cm 7017 721 2 184 cm 7017 761 2 194 5 cm 7018 781 2 199 cm 7018 82 1 2 209 5 cm With 12 30cm cone With 12 30cm cone 6 note 3 7015 703 8 178 5cm 7016 803 8 204 cm 7017 903 8 229 5 cm 7018 96 3 8 244 5 cm Installation Options Preva Figure 6 pod 18 45 72cm with Compact Horizontal Arm 14 w 28 71 12cm with Short Horizontal Arm 24 Position for a 38 96 52cm with Long Horizontal Arm 34 Cabinet Mount k ll 121 92cm 1 2 Cabinet Outline 1 27cm 82 reach not recommended for cabinet mount Installation Options Preva RC al Nil li 56 4 112 27em 143 26cm 23 EA 58 42cm E PA ooo y E E Y ae y i o 149 9cm 57 1 E 145 03cm 35 9 91 18cm Ee Figure 7 F 71 9 J k 182 63cm Installation Options Preva Environmental Factors Use Storage The Preva Dental X Ray System is intended for indoor use for normal dental applications at temperatures in the range 50 F 95 F 10 35 C and at a maximum altitude of 12 000 feet Humidity should not cause condensation to form on the unit Storage temperature should not exceed the range 31 F 150 F 35 C 66 C Support Requirements The Preva Dental X Ray System is designed to mount on a single wood 2x4 inch drywall stud or equivalent wall support It can also be mounted on concrete or other similar wall construction Moun
20. 9801 progenydental com M progeny A Midmark Company Preva Dental X Ray System Installation and Service Manual 00 02 1577 Rev AA ECN P2774 Midmark Corporation 675 Heathrow Dr Lincolnshire Illinois 60069 U S A Phone 888 924 3800 Fax 847 415 9801 progenydental com Maintenance Preva Table of Contents Table OF CONEA Susana Generali iMalO MAA 1 MACANO S TORO Sada iad 1 Solis o A A Same aA at 1 Product Descr pio audacia 1 CAUTIONS aeei a e e e 2 FEA IN ANG GOV CLAD oraren a a a a a a a aG 4 Environmental Factors sorrie pi nade EEE O E EE PEER da PENTES PERCER 9 Support RequirementS sist A a a 9 Electrical Requirements anita e cid 10 Compliance With Applic able Stan das li 10 Certified COMPONEMS 5 4 2 A Sendtatsannieteapsauaetsanwialeneosa 10 EG Declaration Or CONO iaa 11 Authorized Representatives cccccccscccssecceeccceeeceuceceeeceueesseeseusesueeeueessueesaueseeeseueessueeneessees 12 A orei a iecusmpbadaocunpetebsbbeidaee sacle hime a a 12 Explanation of Symbols on Technical Labels ooocccocnoccnnccnnccocncnonocanonnnocannnnanocannnnons 13 Obtaining TeChniCal SUI de eee 13 Metala OKOUN S ni t 14 MOUNTING C ntgu rati nS eiccen a aa a a i 14 Operator Pancita 19 NSTalnaton Pro CSO CS css esto sper ae Ge ei Gea E E 20 Preparing to Install ING Pr Visninconaigia paid 20 Installing the Control Unit on a Single Wood Stud Wall o oooooocccoocccccncccccnnccconaccnonnncnnonanenon
21. ABLE TIE AND FOAM INSERT THE SPRING TENSION IS ADJUSTED TO ACCOUNT FOR THE WEIGHT OF THE TUBE HEAD THE ARTICUTING ARM WILL SPRING OPEN IF IT IS NOT SECURED AND CAN CAUSE SERIOUS INJURY Models Affected All Prevas Required tools Spanner wrench 30 T10055 Needle nose pliers Metric Allen wrenches 2 Phillips head screw driver 1 Small Phillips head screw driver Fluorescent screen 22 11467 Instructions 1 The replacement head as received will have the yoke cable assembly pre attached NOTE Do not remove the yoke cable from the tube head Figure 60 87 Maintenance Preva 2 Remove the cone from the head being replaced The cone sits in the tube head Grab the cone firmly pull and twist out in the same motion Figure 61 3 Install the cone in the replacement tube head Figure 62 4 Remove the two Allen head screws from the yoke and remove the yoke cover 3mm screws Figure 63 5 Unplug the black and white connector 88 Maintenance Preva Figure 64 6 Remove the two Allen head screws that secure the 2 ground wires to the yoke Take note of the position of each ground wire 3mm screws 2x Figure 65 7 Remove the end cap from the side of the tube head Figure 66 8 Remove the small Phillips head screw that holds the cable restraint 89 Maintenance Preva Figure 67 9 Remove the larger Phillips head screw Figure 68 10 Remove the larger reta
22. AE Yoke Assy Preva SIN 30 P0034 30 A1027 4 A Gray Male Cover Handle Tube Head o Ass 30 A2205 gt S 1 Y Base e O ON 30 08071 30 A2195 J O Yoke Cable Assy 70 mm Cone 30 F0003 G AA Friction Washer O 30 P0042 el Harness Clamp Figure 77 30 M0017 mila Arm and PARAAN S Preva Tube Head 107 Maintenance Preva Horizontal Arm 30 42074 Extension Arm Assy ais 30 A2073 Extension Arm Assy Short 30 42071 Extension Arm Assy 30 0806 Long 30 42164 Extension Extension Arm Cable ea Arm Assy Compact n 30 0806568 Extra long a l Extension sz Arm Cable e al 2006067 i 5 Extension da A Arm Cable Es a Long es 30 P0018 GA A _ ns Extension Arm a al k a End Cap 4 pe l E E Standard E a E i ea pb H1 63 Mo9008 17 aes Cover Mounting Screws H1 63 M09008 17 Standard Cover Mounting Screws 3042068 Articulated Arm Brake 30 42068 Articulated Arm Brake Figure 78 Horizonta Arm Art Arm Brake 30 A2068 108 Maintenance Preva Mounting Plates 30 A2042 30 A2043 Two Stud Metal Stud Mounting Plate gt Support Plate Figure 79 Mounting Plates 109 Maintenance Preva Conduit Mounting Plate Kit includes 3 screws and 6 nuts Left H1 17 M09000 01 nut 30 F4021 H1 15 M09016 08 screw Power Cord Cover 30 F4034 ds aaa Power Line Bracket Assembly 30 F5013 Conduit Mounting Plate Right Figure 80 30 F4025
23. B 16 Connect the power and feedback cables See Fig 16A Insert cables into the post See Fig 16B NOTE If needed pull excess into the control box FIG 16 A o FIG 16 B 17 Install the cover plate See Fig 17 FIG 17 124 Appendix A Preva 18 Remove the screw that locks down the Logic board Swing out the Logic Board and connect the three connections as shown below See Fig 18 18A Black connector Feedback from tube head 18B White connector Power to tube head 18C Cat5 network cable B Attach white J D i connector here A Attach black connector here F Eo Bi C Attach C cable here FIG 18 19 Connect the Power on Switch connector to the Power Supply Board See Fig 20A Attach the control unit cover See Fig 20B Power On switch connects here FIG 20A FIG 20B 125 Appendix A Preva 20 Feed the Cat5 cable through the Operators panel cradle See Fig 21A Feed remote exposure cable through the bottom of cradle NOTE Allow a few coils of slack inside for strain relief See Fig 21B Attach the cradle with supplied hardware See Fig 21C FIG 21A FIG 21B FIG 21C 21 Connect Cat5 cable and remote switch cable to the Operators Panel See Fig 22 Mount the Operators Panel into cradle FIG 22 22 Install the mobile unit handle with the supplied hardware See Fig 23 FIG 23 126 Appendix A Preva 2
24. CONFIGURE UNIT You will see the Configuration menu shown in Figure 44 2 Select SET CONFIG You will see the Set Configuration menu shown in Figure 45 3 To display a summary of maintenance data highlight select SHOW MAINT The following maintenance data are displayed e Total KJ kilojoules total system heat on the x ray tube e Exposure Count e Reboots power up cycles e OT Counts over threshold counts 4 Press any button on the Operator Panel to return to the Configuration menu If you take an x ray while in diagnostic mode the display shows feedback values for that exposure Until you exit diagnostic mode the display will continue to show feedback values after each exposure 1 From the Main System Configuration menu Figure 41 select CONFIGURE UNIT You will see the Configuration menu shown in Figure 44 2 Select SET CONFIG You will see the Set Configuration menu shown in Figure 45 3 From the Set Configuration menu use the up and down arrows to highlight DIAG MODE ON Press the right arrow button to turn on diagnostic mode 4 Exit System Configuration mode by highlighting and selecting EXIT in the Configuration and Main menus 5 Make an exposure The display will show the following feedback values e kV e mA e Filament current 6 Press any button on the Operator Panel to clear the feedback values from the display 7 To exit diagnostic mode press the Tooth Selection and Patient Size Selection buttons simultaneo
25. ate point J7 on the Operator Panel Board 30 08054 Then remove the shunt on J7 Put the Operator Panel Board 30 08054 back in position Put the cover on the back of the Control Panel using the 4 screws J7 Exposure Switch Jumper Settings Jumper Position Switch Closure Required for Exposure 1 2 3 4 default Remote Switch or Panel Switch parallel 2 3 Remote Switch and Panel Switch series 3 4 Remote Switch panel switch disabled Optional Installation Procedures Preva Figure 35 Disabling the Use of the Exposure Button Connecting the Coil cord Hand Switch Operator Panel Located on Control Unit Connecting the Coil cord Hand Switch Operator Panel in Remote Location 53 A O CON DO TIA Me Mhin gt ml AT w pee eb eh J7 Remove the screw holding the front cover of the Control Unit in place Place the screw in a safe location for later use Remove the front cover Cut out the notch on the base of the Control Unit front cover Route both the Operator Panel cable and the coil cord hand switch through the hole in the bottom of the Control Unit front cover Place a loop of the coil cord into the notch Carefully reassemble the Control Unit front cover keeping the coil cord in the notch Secure the front cover with the screw that was removed in step 1 Locate the Operator Panel in the top portion of the shipping carton Connect the coil cord hand switch to the left plug socket as viewed
26. ation menu Figure 44 displays the Set Configuration menu Figure 45 with options to change the cone size The Preva Dental X Ray System is factory set for use with the standard supplied 8 inch 20 cm Cone The 12 inch 30 cm Cone 30 A2033 is available Using the longer Cone requires longer exposure times which the Preva automatically selects when you change the Cone size in the Set Configuration menu 1 2 3 From the Main System Configuration menu Figure 41 select CONFIGURE UNIT You will see the Configuration menu shown in Figure 44 Select SET CONFIG You will see the Set Configuration menu shown in Figure 45 From the Set Configuration menu use the up and down arrows to highlight the 12 CONE SIZE Press the right arrow button to select the 12 inch Cone The display warns you that selecting the 12 inch Cone will override custom presets with the default factory settings for the 12 inch Cone Using the up arrow select YES to install presets for the 12 inch Cone SET CONFIG 12 CONE SIZE DIAG MODE ON gt DIAG MODE OFF gt EXIT System Configuration Preva Diagnostic Mode About Diagnostic Mode Showing the Maintenance Summary Showing Feedback Values After an Exposure 65 The Preva Dental X Ray System has a diagnostic mode in which you can display a summary of maintenance data or display feedback values after each exposure 1 From the Main System Configuration menu Figure 41 select
27. ations Display Shows Pre termination Error Early Exposure Release Determined Not to be the Cause All X Ray Indicators But No Voltage Measured at J1 on the Power Supply Board Very Short Exposures Regardless of Selected Exposure Time 72 3 4 O Check if both audible indicators operate Check the Operator Panel first and check the Control Logic Board second If only the Operator Panel indicator works check if diode D2 on the Power Supply Board and D12 on the Logic Board illuminate during the exposure request If D2 and D12 do not illuminate this indicates that the x ray backup conductors in the CAT 5 communication cable are open Connect a substitute communication cable to test for this condition If the symptom persists contact Technical Support If the ribbon cable is open between the Logic and Power Supply Boards replace the cable This error can be cause by a high voltage breakdown in the head and is characterized by a snapping or popping noise within the Tubehead See eal hace Inspect the condition of the feedback cable Inspect the condition of the communication cable If used inspect the remote exposure switch wiring for a loose connection Refer to the High Voltage Breakdown information in the Troubleshooting section for detailed instructions Replace the Power Supply Board This condition will exist if the kV or mA produced is out of tolerance To
28. bly Select the 3 8 inch 3 inch long lag screws and washers Note For concrete walls the installer must supply the appropriate mounting bolts Put the upper lag screw and washer through the upper mounting hole of the Control Unit Place the Control Unit on the wall and loosely tighten the upper mounting bolt Put the lower lag screw and washer through the lower mounting hole of the Control Unit and loosely tighten Be sure that the power wire extends through the opening at the bottom of the Control Unit Place a level on the Control Unit bearing parallel to the wall as shown in Figure 14 Level the Control Unit Tighten the upper and lower lag screws to 14 to 18 ft lbs Predrill a hole for a 12 wood screw below the lower lag screw as shown in Figure 14 A Install and tighten the wood screw to prevent the unit from shifting CAUTION Do not over tighten the lag screws Over tightening the lag screws will damage the wooden stud and reduce the holding force Installation Procedures Preva Figure 14 Leveling the Control Unit For 12 Screw Figure 14 A 26 Installation Procedures Preva Installing the Control Unit on a Dual Wood Stud Wall Mark and Drill The mounting template is a guide for locating where to drill the holes used to Wall Plate mount the wall plate to the wall Carefully placing the mounting template for two Mounting Holes stud mount installations on the wall will help ensure correct installation of
29. ced go to the procedure No I Filament Produced On the Power Supply Board observe that the power supply indicator D11 350volts DC is illuminated as shown in Figure 49 Illumination represents proper stored energy for an exposure If this indicator is not illuminated it will be necessary to replace this board On the Power Supply Control Board observe the power supply indicator LEDs D7 5 volts DC D8 12 volts DC and D9 24 volts DC as shown in Figure 50 Voltages can also be measured by using TP1 the Common Return and checking TP2 5 volts DC TP11 8 1 volts DC and TP12 24 volts DC If any of these indicators are not present after power is applied next check voltages on the Power Supply Board On the Power Supply Board use TP2 as a common test point to check TP1 24 volts DC and TP3 8 1 volts DC Then use TP5 as the common return to check TP4 for the presence of 12 volts DC as shown in Figure 49 Should any of these voltages not be present replace the Power Supply Board If each voltage is present check other voltages on the Power Supply Control Board On the Power Supply Control Board measure between TP1 the Common Return and TP7 kV Program This voltage should be between 3 and 4 volts DC If this voltage is not present replace the Power Supply Control Board If this voltage is correct inspect the condition of the ribbon cable between the Power Supply Board and the Power Supply Control Board If the cable is undama
30. cters No Ready Light Power Supplies OK At Power Up Continuous Beep with Normal Display At Power Up Buzzing Noise is Heard 71 1 Adjust the selected exposure time kilovoltage or tube current to produce an acceptable image lf necessary reprogram the techniques factors as explained in the System Configuration section of this manual 2 Verify the kilovoltage and tube current during an exposure using the diagnostic mode as explained in the System Configuration section of this manual Alternatively you may employ a non invasive meter to evaluate kilovoltage and exposure time 3 Inspect the condition of the remaining imaging chain components such as the film chemistry and processor or the condition of the x ray sensor and computer 4 Check for pulsing output with fluorescent screen If this is occurring replace the control board 5 Light image can be caused by the Logic Board This is characterized by a short pulse of exposure as viewed with a fluorescent screen Replace the Logic Board 6 Full fluorescence with light image may require adjustment of the preprogrammed techniques Replace the operator display board Replace the Operator Display Board or the Power Supply Control Board or both Replace the Power Supply Control Board Replace the Power Supply Control Board Troubleshooting Preva X ray Indicator No Exposure Termination No Radiation Produced Display Shows Error Serial Communic
31. d Wall Mounts Remove Control Unit Front Cover Mount the Control Unit 28 gt N Open the shipping carton and locate the Control Unit in the first level of the carton Remove the Phillips screw from the front cover of the Control Unit Carefully remove the front cover Place the front cover and the screw in a safe location for later reassembly Select the 5 16 inch 9 inch long socket cap screws and washers Put the upper screw and washer through the upper mounting hole of the Control Unit Place the Control Unit on the wall and loosely tighten the upper screw Put the lower screw and washer through the lower mounting hole of the Control Unit and loosely tighten Be sure that the power wire extends through the opening at the bottom of the Control Unit Place a level on the Control Unit bearing parallel to the wall Level the Control Unit Tighten the upper and lower screws After the Preva is installed slide covers on the wall plate and screw on Installation Procedures Preva Installing the Control Unit on a Metal Stud Wall Mark and Drill Wall Plate and Support Plate Mounting Holes Reinforce Metal Stud Wall Assembling and Mounting the Support Plate 30 A2043 29 The mounting template is a guide for locating where to drill the holes used to mount the wall plate and support plate to the wall Carefully placing the mounting template on the wall will help ensure correct installation of these plate
32. dadaleeieearieatea 60 PAIS TIC Wt DIS OY setae crate eke aid na 61 Changing Pre programmed Exposure Settings coooccccoccnconcnccnncnnnnnnnnncncnnnnnnnncnconcnonncnnnnons 62 Showing Current System ConfiguratiON ccccocccccccnccccnnononoconcnonnnnnonnnnnnnnnonnnnnoncnnnonenenanncnnons 63 Onangng the GONE SIZE rain 64 BE uae tenet secs aust E EEE EE E 65 A A 66 TrOUDIESNOO UN lisis 67 Electrical Performance ISSUCS mimada ardd dis ads ute ae eatuadene 67 Opning Tecnica SUDDO cities irse 86 MARONO O e E E E E E 87 Mechanical AdjuStMEN Sia 100 Factory Default Exposure Seling Ssniniada dida 106 Armand IS SAG astro tan ato 107 Honzontal AM dd A 108 MS A A a EA 109 Operator Cleric Gers te aria ene e e ed 111 o A o O IA 112 Hand e E o onda ner eine ever espe es 113 Spectator tia 114 Preva Dental X Ray SS SM a deusen tel Ghost bala donerl ental fovncaldves 114 No 812 416 b A PRO UP nN Re tect ae enone ane man ener mn on oar Tm rer en ton te ere 117 Assembly Instructions for DC Mobile Unit cooocccocnccocccocnconconncnccncnnnanonononnnnconcnnnanonnnnos 117 APPenalX B tusuiiatara e kien AA 129 Electronics BIOCK Dadas dla idn 129 11 Maintenance Preva General Information Indications for Use The Preva Intraoral Dental X Ray is to be used as an extraoral source of x ray in Dental radiography Contraindications None known Product Description Control Unit Tubehead Articulating Arm Horizontal Arm C
33. e Note Do not make the wire connections at this time Locate the brake assembly bag 30 A2049 As shown in Figure 18 install and loosely tighten the brake assembly in order to put a small amount of drag on the rotation of the Horizontal Arm and to keep the Horizontal Arm from lifting out Figure 17 Installing the Horizontal Arm 31 Installation Procedures Preva Figure 18 Installing the Brake Assembly 32 Brake Assembly Installation Procedures Preva Installing the Articulating Arm and Tubehead Assembly Install the The Tubehead and Articulating Arm are installed as a single unit Articulating Arm 1 Remove the top level packing material from the shipping carton to gain and Tubehead access to the Articulating Arm and Tubehead Assembly Do not remove the cardboard tube enclosing the cable wires but remove the red tag Remove the Articulating Arm and Tubehead Assembly from the shipping carton Assembly o CAUTION Do not remove the tie holding the Articulating Arm closed Removing the tie will cause the Articulating Arm to spring open potentially causing personal injury Note Do not lubricate the shaft of the Articulating Arm or the bearings in the Control Unit 3 Position the Articulating Arm above the Horizontal Arm 4 Carefully route the cardboard tube with the arm cable plug through the opening in the Horizontal Arm 5 Insert the shaft of the Articulating Arm into the opening in the Horizontal A
34. e engineer Verification of machine performance after installation must be performed according to the guidelines identified in the System Function Checklist which may be found in the User Manual or the Installation and Service Manual Verification of machine performance after maintenance or repair must be performed according to the guidelines identified in the System Function Checklist and the calibration instructions which may be found in the Installation and Service Manual Installation Options Preva Reach and Coverage Horizontal Arm Lengths Optional 12 Inch Cone Figure 2 Reach and Coverage Diagram The reach of the system is measured from the tip of the Cone with the arm fully extended and the Cone pointing back toward the pivot of the wall plate This measurement method accommodates the normal positioning of the Tubehead to the patient A patient can therefore be positioned without difficulty with the chair located within a radius outward from the pivot point to the dimensions shown in the diagrams The Preva Horizontal Arm is available in four lengths Each length gives the system a different reach Catalog P7015 with a 30 A2074 Horizontal Arm has a reach of 56 inches Catalog P7016 with a 30 A2073 Horizontal Arm has a reach of 66 inches Catalog P7017 with a 30 A2071 Horizontal Arm has a reach of 76 inches Catalog P7018 with a 30 A2164 Horizontal Arm has a reach of 82 inches The diagrams show Catalog P7018 wit
35. ed On the Power Supply Control Board 30 08043 shown in Figure 28 verify that LEDs D7 5VDC D8 12VDC and D9 24VDC are illuminated and LED D10 is flashing Each illuminated LED verifies that appropriate supply voltages are present If the LEDs are not illuminated refer to the No Operator Display but Power Switch is On procedure in the Troubleshooting section of this manual Turn off the Preva Dental X Ray System using the power switch as shown in Figure 26 eee Fp PS DS ieee D11 350 Volts DC D7 5 Volts DC D8 12 Volts DC D9 24 Volts DC Power Supply D10 Communications amp Board 30 08041 Installation Procedures Preva Mechanical Adjustments Horizontal Arm Adjustment Figure 29 Tightening the Brake Additional Adjustments 42 1 Locate the brake assembly at the top of the Control Unit The brake assembly has a screw on either side of a clamping bar over the Horizontal Arm pivot post 2 Using a 4 mm Allen wrench as shown in Figure 29 tighten the screws equally to apply adequate braking to the pivot post so that Horizontal Arm begins to move after the Articulating Arm The balance and friction of the Articulating Arm are set initially at the factory During the installation process check the balance and friction When moving the Tubehead the Articulating Arm should be steady in all positions and move before the Horizontal Arm If adjustments are necessary follow the adjustment procedur
36. es in the Troubleshooting section Note The mechanical adjustments should not be used to compensate for a system that is not properly leveled on the wall Installation Procedures Preva Installing the Control Unit Front Cover and the Operator Panel The Operator Panel can be installed on the Control Unit or remote from the Control Unit Installation of the Operator Panel on the Control Unit may require the purchase and use of the coil cord hand switch option 30 A2040 Important Note In order to comply with the regulations and proper x ray practices the Operator Panel must be located where the operator can view both the patient and the technique factors prior to the exposure On the Control 1 Unit 2 3 4 5 6 Figure 30 Placing the Cover on the Control Unit 43 Connect the short cable at point J1 on the Power Supply Control Board 30 08043 Feed the cable through the front cover of the Control Unit Place the top of the front cover on the Control Unit and pop the bottom of the cover into place as shown in Figure 30 being careful of the power switch and cover alignment Replace the screw on the front cover of the Control Unit Plug the cable into the bottom of the Operator Panel Snap the Operator Panel into place on the front cover of the Control Unit as shown in Figure 31 Installation Procedures Preva Figure 31 Snapping in the Operator Panel 44 Installation Procedures Preva Remote Operator
37. g progeny A Midmark Company Preva Dental X Ray System Installation and Service Manual 00 02 1577 Rev AA ECN P2774 Attention The equipment must only be installed and operated in accordance with the safety procedures and operating instructions given in this manual and in the User Manual for the purposes and applications for which it was designed Modifications and or additions to the equipment may only be carried out by Progeny A Midmark Company or by third parties expressly authorized by Progeny Dental to do so Such changes must comply with legal requirements as well as with the generally accepted technical rules It is the responsibility of the user to ensure that existing legal regulations regarding installation of the equipment with respect to the building are observed X RAY PROTECTION X ray equipment may cause injury if used improperly The instructions contained in this manual must be read and followed when operating the Preva Your Progeny Dental dealer will assist you in placing the Preva in operation The Preva Dental X Ray System provides a high degree of protection from unnecessary x radiation However no practical design can provide complete protection nor prevent operators from exposing themselves or others to unnecessary radiation g progeny A Midmark Company More Than Imaging Excellence Midmark Corporation 675 Heathrow Drive Lincolnshire Illinois 60069 U S A Phone 888 924 3800 Fax 847 415
38. ge Technique Factors Target Angle Operating Temperature Storage Temperature Maximum Altitude Cone Focal Length Diameter of X Ray 114 110 230 VAC 10 50 60 Hz Max current 5 amps 70 KVp 5 selectable 4 7 mA 1 mA 20 ms through 2 00 seconds 5 1 ms 8 inch 20 cm 12 inch 30 cm 1 7 mm Aluminum equivalent at 70 kVp 2 mm Aluminum equivalent 70 kVp 0 4 mm IEC 336 15 times the exposure time wait before the next exposure can begin 0 4 mA at 70 kVp 12 5 degrees 50 F 95 F 10 C 35 C 31F 150 F 35 C 66 C 12 000 ft 8 inch 20 cm for bisecting angle technique 12 inch 30 cm for paralleling technique inches 6 9 cm at the end of the Cone Specifications for optional cones differ Specifications Preva 0 50 100 150 200 250 300 TIME s Focal spot 0 4mm TU EE AH Il poo Ty MO Ee ee ee e o a Bod a ae PR AR H E A E Toshiba Tube 0 1 10 Rating Charts veS Time s Tube Current mA 115 Specifications Preva mA po Pp i se A eo S D a O l ow a S ee IR 4 a a ll 3 AE PO T RS D 2 NS AS O NS SI BS IS NE A o US PS O WE 0 1 l 10 Rating Chart Figure 85 Kailong Tube 0 50 100 150 200 250 3005 Rating Charts Thermal Characteristics Chart 116 Maintenance Preva Appendix A Assembly Instructions for DC Mobile Unit Tools Required 3 8 square drive hex key 10 mm 3 8 square drive
39. ged and seated properly replace the Power Supply Control Board Check the condition of the cables between the Control and the Tubehead assembly If no x ray occurs and no errors are displayed the problem may lie within the conductors of the white connector which is primary power to the Tubehead Assembly If no x ray occurs and the attempt is accompanied by a snap sound the problem may lie with the conductors of the black connector which is transmitting the feedback signals Connections for this cable begin with controls at J1 of the Power Supply Board and J4 of the Power Supply Control Board As shown in Figure 51 an internal set of connections will be accessed below the distal side of the horizontal arm and at the inside top of the Tubehead Yoke The final set of connections is accessed by removing the Pivot Cap located at the attachment point of the Tubehead to the Yoke lf D11 on the Power Supply Board is illuminated power supplies are in order and the cable connections are correct place an AC voltmeter across the Tubehead connector J1 white connector on the black and white conductors request an exposure time of at least 1 5 seconds and measure the resulting voltage during the exposure Presence of 130 volts AC will require the replacement of the Tubehead Assembly Absence of 130 volts AC will require re inspection of the interconnect cables for open conductors Troubleshooting Preva PROGENT MG me vue Figure 49 Power Su
40. h a 82 inch reach For Catalog P7017 with a 76 inch reach reduce the dimensions by 8 inches For Catalog P7016 with a 66 inch reach reduce the dimensions by 18 inches For Catalog P7015 reduce the dimensions by 28 inches The 82 inch reach for Catalog P7018 assumes the use of the 8 inch Cone that is supplied with the system If the optional 12 inch Cone 30 A2200 is used the reach is reduced by 4 inches i i Wy 22 55 58 CM Min reach with Compact Fea H 82 1 2 209 5cem Max reach with Extralong Horizontal Arm F 11 1 28 194 CM r i 12 Cone reduces reach by 4 inches 10 16CM Installation Options Preva i i 33 875 86cm ij i 92 5 235cm a Min 14 Clearance 35 5cm Height l i i 44 5 7 103cm 36 625 40 75 93cm 110cm 12 Cone 8 Cone A 30cm 20cm 99cm Figure 3 Cabinet Mounting Dimensions 82 reach not recommended for cabinet mount Installation Options Preva i 86 5 8 220 03 CM i 24 50m l see note 1 385 8 405 8 w Gaei egre t i 99cm note 1 7015 24 ae 62 5cm 30cm 20cm 7016 345 8 88cm Cone Cone 7017 445 8 114cm 7018 505 8 128 5cm Figure 4 Retracted Wall i l h Mount Figure 5 2 Extended 5 08cm Position Wall or Cabinet Mount i 4 5 8 i 11 75cm see note 2 see note 3 ag i 121 92cm see note 4 pa note2 7015 521 2 133 cm note3 7015 561 2 143 5 cm
41. he articulating arm assembly to avoid any damage to tube head See Fig 3 FIG 3 4 Cut the transportation band from the lower layer that holds the mobile base See fig 4 FIG 4 5 Remove top cover of control unit by removing screws located at the base of the cover See Fig 5A NOTE Be careful when removing top cover The power switch is connected Lift carefully and disconnect power switch from the Power Board See Fig 5B FIG 5A FIG 5B 119 Appendix A Preva 6 Separate the mobile unit base from the pallet CAUTION This should be done taking proper lifting precautions The base is heavy and requires two people to lift See Fig 6 gt LA Pay FIG 6 7 Locate hardware clamp and bracket for power cord See Fig 7A Feed the power cord through the grommet of the control unit cover See Fig 7B Mount the clamp and bracket to the chassis of control unit See Fig 7C FIG 7A FIG 7B FIG 7C 120 Appendix A Preva 8 Connect power cord SA Remove EMI shield See FIG 8A 8B Attach to power cord to the Terminal Block as detailed below See Fig SB Black Line White Neutral Green Ground place ground underneath the EMI shield Lock down with Allen screw NOTE Take care not to pinch ground wire with EMI Shield EMI SHIELD FIG 8B 9 Locate the mobile unit post located in the top layer of parts removed in step 3 and insert int
42. he power board J4 on the Logic Board and ground wire to the ground lug Attach the cable from the remote to J1 on the Logic Board Route both cables so that they do not interfere with installing the cover Attach the strain relief bracket diagonally across the studs on the chassis Route the power cord through the rubber grommet in the cover and through the strain relief bracket Attach the black wire to L on the power block the white wire to the N on the power block and the ground wire to the ground lug Install the Hayco into the strain relief Plug in the power switch to the two connectors near the power block Reinstall the cover with the five M3 X 5 mm Phillips pan head screws and tighten Install the Velcro strap around the pivot joint at the column and the loose ends around the pivot joint at the Tubehead Install handle on upper support bracket of the remote with two M6 X 20 mm socket head cap screws and M6 spring lock washer Appendix A Preva 1 Open the box from the top side and remove top layer of packing material See Fig 1 FIG 1 2 Remove all transportation screws from the base of the crate QTY 10 See Fig 2 FIG 2 118 Appendix A Preva 3 Lift the shipping box and separate from the crate There are two layers or parts Separate the top layer and place on the floor This is a two person job or remove each piece individually NOTE Take extra care when handling t
43. hex key x 6 inch extension 3 8 square drive ratchet No 1 Phillips screwdriver 7 mm nut driver Small flat blade screwdriver 4 mm hex key 5 mm hex key Note It is recommended that 2 people assemble the unit 1 2 117 Remove the five screws that hold the control cover Carefully remove the cover Install the column into the base with the remote mount facing the control and install the special M12 socket cap screw into the hole under the control mounting plate and tighten Loosen but DO NOT REMOVE the M6 button head screws that hold the bushing assembly into the column so that the arm assembly will not interfere with the screws during installation Plug the cable to the arm assembly insert the arm assembly into the bushing and gently pull the other end of the cable as you install the arm assembly With the Tubehead over the long legs tighten the M6 button head screws Install the remote cradle and remote exposure button with the two M5 X 8 mm Phillips pan head screws Route the remote cable through the rectangular hole and the remote exposure cable through the slot in the bottom of the cradle Remove the backing on the remote exposure holder and install the M3 X 12 mm Phillips pan head screw Install on the back of the remote cradle on the left side and tighten the screw ensuring the holder is straight Attach the remote cable to the remote and install the remote to the cradle Attach the cable from the arm assembly to J1 on t
44. hole with respect to the center of the stud will affect the load bearing ability The size of the pilot hole required for the lag screw will be different based on the grade age and condition of the lumber Never over tighten the lag screw as this will weaken the mechanical connection Lumber with splits or cracks should not be used for attachment Plywood particle board or similar construction materials should not be used for attachment Consider lumber dryness or moisture when attaching to exterior framing studs Progeny mechanical designs will exert up to 920 pounds 418 kilograms of loading on the supporting structure Progeny provides fasteners for average installations Based on specific installation conditions it may be necessary to choose a alternate fastener or fastening methods seek the advice of a professional structural engineer to clarify any issues before the installation Inspect the attachment method 30 days after the installation and every 6 months thereafter Lag screws are not intended to be used as an attachment method for metal supports such as those found in center island pass through cabinets Progeny provides machine screws large flat washers and nylock nuts to use when fastening the system to metal supports Installation Options Preva Articulating Arm Horizontal Arm Control Unit Remote CEPA Control Tubehead Figure 1 Cone Component Diagram Your responsibilities as an installer and servic
45. iation safety features on the equipment Full use must be made of all radiation protection devices accessories and procedures available to protect the patient and operator from x ray radiation Only qualified and authorized service personnel should remove covers on the equipment This equipment must only be used in rooms or areas that comply with all applicable laws and recommendations concerning electrical safety in rooms used for medical purposes e g IEC US National Electrical code or VDE standards concerning provisions of an additional protective earth ground terminal for power supply connection Before cleaning or disinfecting this equipment must always be disconnected from the main electrical supply The Preva Dental X Ray System is ordinary type medical equipment without protection against ingress of liquids To protect against short circuit and corrosion no water or any other liquid should be allowed to leak inside the equipment This equipment must not be used in the presence of flammable or potentially explosive gases or vapors which could ignite causing personal injury and or damage to the equipment If such disinfectants are used the vapor must be allowed to disperse before using the equipment Installation Options Preva Explanation of Symbols on Technical Labels Type B Protection against electric shock IEC 60601 1 1 Consult written instructions in User s Manual ATTENTION RAYONS X OPERATION SEULEMENT PAR
46. ining ring by pulling it out with a pair of needle nose pliers Figure 69 11 Unplug the black and white connectors located inside the tube head 90 Maintenance Preva Figure 70 12 Secure the scissor arm with the provided cable tie and foam separator before removing both spanner rings WARNIING DO NOT REMOVE THE TUBE HEAD UNTIL THIS STEP HAS BEEN COMPLETED THE SPRING TENSION IS ADJUSTED TO INCLUDE THE WEIGHT OF THE TUBE HEAD THE ARTICUTING ARM WILL SPRING OPEN IF IT IS NOT SECURED AND CAN CAUSE SERIOUS INJURY Figure 12 13 Assemble the spanner wrench by threading the two leverage arms into the base of the spanner wrench 91 Maintenance Preva Figure 13 14 Align the 3 pins on the spanner tool with the alignment holes in the brass spanner nut Alignment Figure 14 15 Break loose the spanner ring by turning the spanner wrench counter clockwise Figure 15 16 Repeat Steps 14 amp 15 to remove the second spanner ring 17 Carefully remove the tube head from the yoke 92 Maintenance Preva Figure 16 18 Remember to transfer the friction ring from the original tube head to the new tube head The friction ring will either be on the shaft of the original tube head or in the yoke assembly Friction Ring Figure 17 19 Feed the connectors and ground wires of the pre assembled yoke cable assembly through the opening of the yoke collar Figure 18 20 Insert the
47. initial installation Service replacement of the Power Supply Control Board 30 08043 or the Tubehead may require calibration See the Calibration section of this manual 1 Before turning on the system verify the input voltage by measuring the voltage at LINE and NEUT as shown in Figure 25 The reading should be within the range of 100 230V 10 2 Replace the power line terminal strip cover 3 Turn on the Preva Dental X Ray System using the power switch as shown in Figure 26 On the Operator Panel Figure 27 you will see the product display screen showing the software version Then the Operator Panel will display the default technique factors Installation Procedures Preva gt a S 4 On Off Switch Figure 26 Turning on the Power Figure 27 Operator Panel 40 Installation Procedures Preva Circuit Board Verification Figure 28 Circuit Board Verification 41 CAUTION The Power Supply Board 30 08041 when energized contains high electrical energy Avoid contact with this board After the system is turned off electrical energy will remain in the Power Supply Board for several minutes When attempting any service on this board first verify that voltage has dissipated On Power Supply Board 30 08041 shown in Figure 28 verify that LED D11 is illuminated The illuminated LED verifies that appropriate supply voltages are present Note Stored electrical energy is present whenever D11 is illuminat
48. it Line Cord 16 3 6 Wide 8 Cond RJ45 to RJ45 25 ft 8 Cond RJ45 to RJ45 6 in Preva Documentation Kit Installation Guide Quantity bh hb hb hb hb hb hb hb ob bh bh Note Shipment Contains One of the Following Extension Arms Per Order Extension Arm Long 1 Extension Arm Short 1 Extension Arm Compact 1 Extension Arm Extra Long 1 8 Cond RJ45 to RJ45 50 ft Doorbell Switch Lighted Doorbell Switch 8 inch Rectangular Cone 8mm Adjustment Wrench Fluorescent Screen 16 inch Mounting Plate FDA Form 2579 Service Kit 4x4 Mount Kit Series Exposure Switch Kit Installation Procedures Preva Installing the Control Unit on a Single Wood Stud Wall Mark and Drill Control Unit Mounting Holes 22 WARNING UNDER NO CIRCUMSTANCES SHOULD THE 82 INCH 208 CM REACH SYSTEM BE ATTACHED TO A WALL IN THE SINGLE STUD CONFIGURATION PLEASE DIRECT ANY QUESTIONS ON THIS MATTER TO THE PROGENY TECHNICAL SUPPORT GROUP WARNING LAG SCREWS ARE NOT INTENDED TO BE USED AS AN ATTACHMENT METHOD FOR METAL SUPPORTS SUCH AS THOSE FOUND IN CENTER ISLAND PASS THROUGH CABINETS PROGENY PROVIDES MACHINE SCREWS LARGE FLAT WASHERS AND NYLOCK NUTS TO USE WHEN FASTENING THE SYSTEM TO METAL SUPPORTS SINGLE STUD INSTALLATION WITH THE INSTALLATION GUIDE 30 P0076 Introduction The Installation Guide is intended to be a positive means of locating the center of a 2x4 wooden stud The Installation Guide is a necessary part of the installa
49. l Switch Configuration 57 Optional Installation Procedures Preva Figure 39 Series Switch Configuration 5 Make sure the two gray wires from the pushbutton switch are connected to terminals 1 and 2 of J2 6 Screw the inner section of enclosure 1 to the junction box using the two screws provided If the cable is routed on the surface of the wall make sure it sits in the notch on the bottom of the enclosure Confirm that no wires are being pinched between the junction box and the enclosure 7 Hook the outer section of the enclosure onto the inner section at the top Push the wires all the way into the enclosure and fasten the two pieces at the bottom with the 6 32 x 5 16 inch screw 8 Cut the handset connector from the end of the cable that will connect to switch enclosure 2 and strip about 1 12 inch of the white jacket 9 Strip 4 inch of insulation from each of the conductors 10 Connect the cable conductors to terminal block J1 on the PCB of switch enclosure 2 as shown in Figure 37 the same as the single switch configuration 11 Make sure the two gray wires from the pushbutton switch are connected to terminals 1 and 2 of J2 12 Screw the inner section of enclosure 2 to the junction box using the two screws provided If the cable is routed on the surface of the wall make sure it sits in the notch on the bottom of the enclosure Confirm that no wires are being pinched between the junction box and the enclosure 13 H
50. lay to the Main System Configuration menu Select ALTER DENSITIES from the Preset Options menu The first Image Receptor Type illuminates The display shows the selected Image Receptor Type and current density Using the Image Receptor Type button select the image receptor to adjust Use the up and down arrow buttons to specify a percentage by which densities will be increased or decreased for the selected receptor Densities can be increased in steps of 25 and decreased in steps of 20 Press the right arrow to save your settings Energize the system Press the Tooth Selection and Patient Size Selection buttons for five full seconds Select CHANGE PRESETS from the Menu Options screen Select SELECT RECEPTOR from the Preset Options menu Press the up or down button to highlight the sensor or phosphor plate to change and press Enter Select YES or NO on the Verification screen Exit the Preset Options menu select EDIT PRESETS from the Preset Options menu The display notifies you that you are entering Edit Preset Mode and Tooth Size Image Receptor Type and Patient Size are illuminated Use the Tooth Selection Image Receptor Type and Patient Size Selection buttons to select the preset to change The display shows the current values for the preset Use the right arrow button to display the technique factor to change Use the up and down arrow buttons to set the value for the selected technique factor and preset Repeat steps 2
51. ll Tubehead The movement of the Tubehead is set in the factory and cannot be adjusted Movement Horizontal Arm Note If performing this adjustment as part of the initial installation of the Preva i omit steps 1 3 AOS 1 Remove the screw from the Control Unit front cover 2 Carefully remove the front cover Note If the Operator Panel is installed on the Control Unit carefully keep the Operator Panel together with the front cover 3 Unplug the cable connectors and set the front cover aside 4 Locate the brake assembly at the top of the Control Unit The brake assembly has a screw on either side of a clamping bar over the Horizontal Arm pivot post 5 Using a 4 mm Allen wrench as shown in Figure 71 tighten the screws equally to apply adequate braking to the pivot post so that Horizontal Arm begins to move after the Articulating Arm 6 Replace and re connect the front cover of the Control Unit Replace the Figure 71 Tightening the Brake 100 screw on the front cover Maintenance Preva Adjusting the Locate the friction assembly screws Using a 3 mm Allen wrench as shown in Horizontal Arm Figure 72 tighten or loosen screws as necessary to get proper movement Brake Assembly without unwanted horizontal movement of the Articulating Arm CAUTION Do not attempt to adjust any other screws in the Horizontal Arm b i Pa Articulating Arm Brake amp Screws Figure 72 Adjusting the Articulating Arm Brake Assembl
52. llel only one needs to be pressed to make an exposure Tools The following tools are required to install the switch e Phillips screwdriver e Flat blade screwdriver e Telephone cable stripper for dual switch configuration only e Wire stripper for dual switch configuration only 54 Optional Installation Procedures Preva Remote Exposure Switch Remote Exposure Switch 1 Figure 36 Remote Switch Configurations 55 Optional Installation Procedures Preva Installing the 1 Route the cable for the Remote Exposure Switch from the Preva mounting Single Switch location to the Remote Exposure Switch mounting location This can be done through conduit or on the wall surface For either method a 2 x 4 junction box should exist where the Remote Exposure Switch is to be mounted 2 Thread the cable end with the handset connector through the opening in the wall mount cover from the inside and connect it to the Operator Panel If the cable is routed on the surface of the wall it should enter the wall mount cover through the notch on the left of the power switch 3 Connect the cable conductors on he opposite end of the cable to terminal block J1 on the PCB in the switch enclosure as shown in Figure 37 Figure 37 Single Switch Configuration 4 Make sure the two gray wires from the pushbutton switch are connected to terminals 1 and 2 of J2 5 Screw the inner section of the enclosure to the junction box using the two
53. n Arm Compact Catalog P7017 MG Mobile Model 30 A0010 Control Class Ilo The following regulatory documents apply UL 2601 1 IEC 60601 1 2 IEC 60601 1 3 IEC 60601 2 7 IEC 60601 2 28 IEC 60601 2 32 Medical Device Directive ISO 13485 FDA 510K File Number K043092 Midmark Corporation declares that the products described herein meet all the applicable Essential Requirements of the EC Medical Device Directive 93 42 EEC in Annex I For Class Ilb products described herein the product is manufactured inspected tested and released in accordance with the approved quality assurance system established in accordance with ISO 13485 and Annex Il of the EC Medical Device Directive under the Supervision of the SGS United Kingdom Ltd a Notified Body Technical Support techsupport progenydental com Installation Options Preva Authorized Representatives North America Europe Safety Radiation Safety Electrical Safety Explosion Safety 12 Midmark Corporation 675 Heathrow Dr Lincolnshire IL 60069 Phone 888 924 3800 Fax 847 415 9801 CE Partner 4U Esdoornlaah 13 3951DB Maarn The Netherlands Phone 31 343 442 524 Fax 31 343 442 162 Only qualified and authorized personnel may operate this equipment observing all laws and regulations concerning radiation protection The operator at all times must remain 6ft 2m from the focal spot and the x ray beam for operator protection Full use must be made of all rad
54. n the Power Supply Control Board place a voltmeter on TP1 the Common Return and TP5 mA Program as shown in Figure 59 Compare measurements to the following chart volts DC 60 kV 65 kV 70 kV 4 mA 3 1 3 4 3 5mA 3 2 3 5 3 75 6 mA 3 3 3 8 3 8 7 mA 3 4 3 7 NA 2 To evaluate the feedback voltages which represent the measured mA within the system refer to the table below select 1 5 seconds of exposure time and measure the DC voltages during the exposure only This measurement is made across TP1 the Common Return and TP9 the mA Monitor as shown in Figure 59 Volts DC 4 mA 2 5 mA 2 4 6 mA 2 9 7 mA 3 4 Values which approximately match the above tables represent a correctly operating system Other values may indicate that boards need to be replaced Further assistance can be obtained from Progeny Technical Support Obtaining Technical Support Contact Midmark Corporation 675 Heathrow Dr Lincolnshire IL 60069 Phone 888 924 3800 Fax 847 415 9801 86 Maintenance Preva Maintenance Preva Tubehead Removal Instructions Overview The new tube heads are being shipped with the yoke cable assembly already pre mounted to the tube head This guide provides instructions for the installation technician on how to remove the original head install the replacement tube head and how to calibrate the replacement tube head Caution DO NOT REMOVE THE TUBE HEAD UNTIL THE ARTICULATING ARM ASSEMBLY HAS BEEN SECURED WITH THE PROVIDED C
55. nal Voltage Line Resistance 120 230 VAC 0 4 ohm Compliance with Applicable Standards Radiation Protection UL 2601 1 File Number E181750 EMI EMC The certified components of the Preva Dental X Ray System comply with Radiation Performance Standards 21 CFR Subchapter J at the time of manufacture The certified components of the Preva Dental X Ray System comply with IEC 60601 1 3 Radiation protection x ray equipment Classified by Underwriters Laboratories Inc with respect to electrical shock fire and mechanical hazards only in accordance with UL 2601 1 and CAN CSA C22 2 NO 601 1 M90 and to the following particular standards IEC60601 2 7 IEC60601 2 28 IEC60601 1 2 Certified Components System Component Reference Number Tubehead 30 A1027 Control Unit 30 A0010 Cone 8 in 30 A2195 Cone 12 in 30 A2200 Cone 8 in Rectangular 30 A2198 Cone 12 in Rectangular 30 A2203 Cone 60 mm 30 A2196 10 Installation Options Preva EC Declaration of Conformity Name and Description of Product Reference Numbers to which Conformity is Declared Declaration Contact 11 Progeny Preva Catalog P7018 82 inch reach Model 30 A0010 Control 30 A2164 Extension Arm Extra Long Catalog P7017 76 inch reach Model 30 A0010 Control 30 A2071 Extension Arm Long Catalog P7016 66 inch reach Model 30 A0010 Control 30 A2073 Extension Arm Short Catalog P7015 56 inch reach Model 30 A0010 Control 30 A2074 Extensio
56. nnection identified as LINE on the power strip 3 Attach a flanged spade and connect the neutral white wire of the line to the connection identified as NEUT on the power strip 4 Attach a flanged spade and connect the ground green wire of the line to the connection identified as GND on the power strip 5 Leave the power line terminal strip cover off until the following electrical verification procedure is complete ets del Pe ne a Bo pE Power Line Terminal Strip Cover ELE a E 7 A 7 E E T E REEE 2 8 2 8 2 ERE EErEE EA ERE EEFE HEF EHE FEE EEE Connector Ji Figure 24 Power Line Terminal Strip Cover Connecting During initial powerup and verification the Operator Panel is required Connect the the Operator Panel with the 25 ft interconnect cable Later you will connect the Operator Operator Panel in its final position for use 1 Identify the Operator Panel and the 25 ft interconnect cable Panel with gt 2 Plug the cable into the left socket at the base of the Operator Panel the 25 ft 3 Plug the other end of the cable into connector J1 on the Power Supply Control Cable Board 30 08043 as shown in Figure 24 38 Installation Procedures Preva Electrical Verification Calibration Verifying Input Voltage and Turning On the System Figure 25 Verifying Input Voltage at the Line Input 39 Calibration of the Preva Dental X Ray System is preset at the factory and is not required during
57. nnectors that were disconnected in Step 5 Figure 28 33 To ensure correct operation and to prevent damage to the yoke cake assemble perform the following steps 97 Maintenance Preva 33 1Point the tube head down 33 2 Check that the Large Phillips head screw is at the 9 o clock position and that there is a natural loop in the cable harness There should be a natural loop in Large Phillips head screw at the cable harness the 9 o clock position Figure 29 34 Mount the yoke cover that was removed in Step 4 Figure 30 35 Check to ensure the wires are not binding when you rotate the tube head completely clockwise or completely counter clockwise The cabling should expand and contract cleanly and evenly without any binding 98 Maintenance Preva 36 Place the Preva Cap back on the tube head Figure 31 37 Proceed with the Automated calibration if Logic PCB firmware revision is 5 0 or lower 99 Maintenance Preva Mechanical Adjustments Determining the The balance and friction of the Articulating Arm and the friction of the Tubehead Necessary are set initially at the factory During the installation process check the balance Adjustment and friction When moving the Tubehead the Articulating Arm should be steady in all positions and move before the Horizontal Arm Note The mechanical adjustments should not be used to compensate for a system that is not properly leveled on the wa
58. nns 22 Installing the Control Unit on a Dual Wood Stud Wall oooocccooccconccnconcnnnncnnnnncncnannos 27 Installing the Control Unit on a Metal Stud Wall oocccoccccoccncoccnnccnnnonacncnnononacononanoos 29 Installing the Horizontal Arm and Brake Assembly coocccocncocncocccocnconocanonanocanonnnonanonanonanonnnnos 31 Installing the Articulating Arm and Tubehead Assembly oocccoccccccncccncoccccncncnacononoconcnonanonos 33 Connecting Ine Cables ica ana 35 Elecitcal Ve nicalO encara int 39 Mechanical AQUUSTMeniS austria 42 Installing the Control Unit Front Cover and the Operator Panel oocccoccccccccccccccnccncnnnnnonos 43 Sella o ei ee en etched leans ion ea id eno 47 Preva Operator Panels 48 Checking System FUNCION Sissisrncusaer ts 49 System FUNCTION Grieco EE 50 TUbDe Seasoning Procedur idad 51 Refer to Page 66 for the Calibration procedure cocooccccoccncccccnconcnoconnnoncnononononacnnnnnnnnoncnnnannss 51 Optional installation PrOcedUrES OO e ta 52 Installing the Coil cord Hand Switch Option 30 A2040 oocooocccccccnccccncconcnconononacnconnnononenononos 52 Installing the Progeny Remote Exposure Station 30 A2044 oocccccccccncocncococonoconoconononenanos 54 Installing the 12 Inch Cone 30 A2200 oocccocccccccncccccococnnncocnconcnononononnnnnonononnnnnnnnnnnnnnnnonannnnnnns 59 System Configuration ost tii tien 60 system Gontiguration Mode risna A Sel osheat di datlelePnteat
59. o the mobile base as shown in Fig 9 NOTE Take care not to pinch the Cat 5 cable or the tube head connectors See FIG 9 FIG 9 121 Appendix A Preva 10 In the Kit Mobile Stand package Part 30 A2098 See fig 10A Locate and insert the bolt used to secure the post to the mobile base Requires 10mm Allen wrench See Fig 10B Kit Mobile Stamd 30 A 2098 Or Part No Descriptl FIG 10A FIG 10B 11 Back out the Allen bolts used to secure the articulated arm to the post QTY 2 This allows the articulating arm to be inserted completely into post See Fig 12 Fig 12 12 Locate the Articulated Arm Tube head assembly Remove the red transportation label Pull back the plastic packaging to expose shaft and remove paper tube protecting cables and connectors 122 Appendix A Preva 13 Lift the arm tube head carefully and guide the cables through the top off the post Carefully insert the articulated arm and take care not to pinch or damage the connectors See Fig 13 FIG 13 14 Secure the articulated arm assembly to the post with the two Allen bolts that were backed out in step 11 See Fig 14 FIG 14 123 Appendix A Preva 15 Locate and install the articulating arm brake assembly See Fig 15A Install and adjust by tightening to the point were the articulating arm does not drift when you lightly push the arm See Fig 15B FIG 15A FIG 15
60. of existing power boxes when installing as a replacement unit Refer to the mounting template in Figure 8 for hole locations Installation Options Preva Installing the 4x4 Mount Instructions Figure 12 4x4 Mount Cabinet Layout 18 The 4x4 Mount kit 30 A2099 shown in Figure 12 contains the items below Left Conduit Mounting Plate Power Line Mounting Bracket 3 Screws 6 Nuts BE Power line bracket Power cord cover Left conduit mounting plate Right conduit mounting plate 3 Phillips screws 6 nuts Using the three Phillips screws secure the power line bracket to the power line cord cover Place the right and left conduit mounting plates on the control Place the assembled power line bracket and cord cover on the two bottom most threaded studs Right Conduit Mounting Plate Power Cord Cover rr Installation Options Preva Operator Panel Locations The Operator Panel for the Preva Dental X Ray System can be installed on the Control Unit or mounted remotely on a wall On Control Unit The Operator Panel snaps on to the front of the Control Unit Installation of the Operator Panel on the Control Unit may require the purchase and use of the coil cord hand switch option 30 A2040 Remote Operator The Operator Panel is mounted on the wall remote from the Control Unit ene If the Operator Panel is mounted separate from the Control Unit a supplied cable must be run from the Control Panel to the O
61. one Remote Control Mobile Unit Installation and The Preva Dental X Ray System is a state of the art high frequency intra oral x ray machine The Preva consists of five components as shown in Figure 1 Component Diagram the Control Unit the Tubehead the Articulating Arm the Horizontal Arm the Cone and the Remote Control option The Control Unit provides for the input power connection and control of the Tubehead and Operator Panel lt provides automatic line voltage compensation kVp control and exposure time control The Control Unit consists of the mounting base and Operator Panel The Tubehead contains the x ray tube high voltage circuit and Cone The Tubehead is shipped already assembled to the Articulating Arm Note There is a small hole in the plastic handle covering the back of the Tubehead Under no circumstances should this hole be blocked as it provides an air vent to allow the Tubehead oil to expand and contract as the unit is operated The Articulating Arm provides the articulation support for the Tubehead and the reach and coverage of the Tubehead to the patient The Articulating Arm allows smooth movement for precise positioning and does nat drift or vibrate when left in position The Horizontal Arm helps provide the necessary reach for the Preva The Horizontal Arm pivots smoothly around a shaft inserted in the top of the Control Unit The Horizontal Arm contains an access cover to connect the cable from the Ho
62. ook the outer section of the enclosure onto the inner section at the top Push the wires all the way into the enclosure and fasten the two pieces at the bottom with the 6 32 x 5 16 inch screw 58 Optional Installation Procedures Preva Connecting to a Generic 2 Wire Remote Exposure Switch To use a generic 2 wire switch connect the wires to the terminal block J3 Remote Exposure Switch Connector on the Power Supply Control Board 30 08043 as shown in Figure 40 E E Memo lp dv tp AE ae 0010 LL Her sin ih amali ae es ot wA e A p mjo Tih wea E i J ed we 5 pa E a A o Tune A Lae Po ef Cuwoa 31907 YAI E qa the ELLET TESTS Sot AE an tE E ie E a _ a uF 5 J Figure 40 Installing the Remote Exposure Switch J3 Remote Exposure Switch Connector SSPE SCEPC PPP Installing the 12 Inch Cone 30 A2200 The Preva Dental X Ray System is factory set for use with the standard supplied 8 inch 20 cm Cone The 12 inch 30 cm Cone 30 A2200 is recommended when using parallel film positioning techniques Using the longer cone requires longer exposure times See the System Configuration section of this manual for setting the system to use the longer cone 59 Maintenance Preva System Configuration System Configuration Mode About System Configuration Mode Using System Configuration Mode Figure 41 Main System Configuration Menu 60 The P
63. p Model 6248 or Radio Shack Mini Hook Adapters catalog 270 334 Items needed only for the metal stud wall mount e 1 inch hole saw Dry wall saw Ya inch diameter 12 inch long drill bit Two 4x4 wood studs Drywall screws The Preva Dental X Ray System has been designed to be installed by one person in less than one hour assuming that all pre installation requirements have been met The Preva Dental X Ray System is shipped in a convenient two level carton as shown in Figure 13 The first level contains the items needed for the first part of the installation including the Control Unit Operator Panel Horizontal Arm mounting template documentation cables and bags containing the mounting hardware brake assembly plastic covers and additional hardware The Articulating Arm and Tubehead Assembly is in the second level of the shipping carton where it can remain until it is installed Installation Procedures Preva Figure 13 Two level Carton Packing List 21 Part Number 30 A1010 30 A1025 30 A2076 30 P0029 30 A2046 30 A2156 E1 13002 E1 13003 E1 13004 30 A 2086 30 P0076 30 A2071 30 A2073 30 A2074 30 A2164 Options E1 13034 30 08101 30 A2044 30 A2198 22 11466 22 11467 30 A2042 00 02 0488 30 A2100 30 A2099 30 A2152 Description Articulating Arm and Tubehead Assembly Control Unit Assembly Operator Panel Operator Panel Mounting Cradle Preva Mounting Hardware Kit Preva Plastic Covers Brake K
64. perator Panel Where local codes require a separate 2x4 junction box should be mounted to the left of the mounting stud above the power supply box Refer to the supplied mounting template for specific location 19 Maintenance Preva Installation Procedures Preparing to Install the Preva Check Pre installation Requirements Gather Tools Installation Time Open the Shipping Carton 20 Prior to beginning the installation be sure that all pre installation requirements have been completed This includes confirming that the wall support requirements are adequate for mounting the unit and that the electrical power requirements and wire locations are proper Note Progeny recommends that the Preva Dental X Ray System be connected to dedicated wiring and permanently grounded The installer must determine the suitability of using a line cord at the time of installation ensuring proper grounding technique ltems needed for all types of mounts e Stud finder Bubble level torpedo level Masking or other tape for placing the mounting template on the wall Awl Drill driver and drill bits appropriate to type of wall mounting Metric Allen wrench set English inch Allen wrench set screwdrivers flat blade and Phillips Torque wrench 0 40 ft lbs or equivalent Sockets and ratchet driver appropriate to type of wall mounting Fluke model 73 DVM equivalent or better Small test clips such as Pomona Electronics Minigrabber Test Cli
65. plate holes 3 Screw the threaded standoffs onto the carriage bolts with the slotted ends away from the back plate 4 Place the plastic sleeve bearings in the slotted ends of the carriage bolts 5 Using a 5 82 Allen key insert a set screw into each threaded standoff Screw the set screw until just below the slot in the threaded standoff but do not tighten 6 Using two sheet metal screws mount and level the support plate through the pilot holes on the back side of the wall Tighten the sheet metal screws with the screw driver 7 On the front side of the wall using a straight blade screw driver adjust the threaded standoffs until the plastic part is flush with the drywall 8 Tighten the set screws in the threaded standoffs to lock them in place Installation Procedures Preva Figure 16 Support Plate for Metal Stud Wall Mount Install the Wall Plate 30 A2042 Remove Control Unit Front Cover Mount the Control Unit 30 N gt 0 N Select the 5 16 inch 1 inch long hex bolts Put the hex bolts through the mounting holes on the wall plate and loosely tighten Be sure that the power wire extends through the opening in the wall plate Level the wall plate Tighten the hex bolts Open the shipping carton and locate the Control Unit in the first level of the carton Remove the socket flathead screw from the front cover of the Control Unit Carefully remove the front cover Place the front cover and
66. pply Board 30 08041 POIRET Em ab A M0 i Figure 50 Power Supply Control Board 30 08043 74 Troubleshooting Preva Figure 51 Interconnect Cable Locations 75 Troubleshooting Preva No mA Produced 76 On the Power Supply Control Board observe the power supply indicators D7 5 volts DC D8 12 volts DC and D9 24 volts DC as shown in Figure 52 Voltages can also be measured by using TP1 the Common Return check TP2 5 volts DC TP11 8 1 volts DC and TP12 24 volts DC If any of these indicators are not present after power is applied check other voltages on the Power Supply Board On the Power Supply Board use TP2 as a common test point to check TP1 24 volts DC and TP3 8 1 volts DC Then use TP5 as the common return to check TP4 for the presence of 12 volts DC as shown in Figure 53 Should any of these voltages not be present replace the Power Supply Board If these voltages are correct next check voltages on the Power Supply Control Board On the Power Supply Control Board measure between TP1 the Common Return and TP5 mA Program This voltage should be between 1 and 2 volts DC If this voltage is not correct replace the Power Supply Control Board If this voltage is correct select 1 5 seconds of exposure time measure across pin 1 and pin 2 of the Power Supply Control Board at the connector J4 During exposures this value should be 24 volts AC Also measure across pin 2 and pin 3 of J4 This
67. r power is applied next check voltages on the Power Supply Board On the Power Supply Board use TP2 as a common test point to check TP1 24 volts DC and TP3 8 1 volts DC Then use TP5 as the common return to check TP4 for the presence of 12 volts DC as shown in Figure 55 Should any of these voltages not be present replace the Power Supply Board If these values are correct check other voltages on the Power Supply Control Board On the Power Supply Control Board measure between TP1 the Common Return and TP6 Filament Control Select 1 5 seconds of exposure time The measured voltage will be between 2 5 and 3 volts DC only during an exposure attempt During the standby condition this voltage should be zero If this voltage is not correct replace the Power Supply Control Board EEEN FS al it bas _D7 5 Volts DC oa gee Re lol EE a A D8 12 Volts DC By a lid fer fel pe D9 24 Volts DC TP6 I Filament Control TP1 Common Return TP2 5 Volts DC TP11 8 1 Volts DC TP12 24 Volts DC TEA AAA AAA AAA AAA AAA AAA AAA AA E EE EE E E E E E E Troubleshooting Preva PROGENY INE we Figure 55 Power Supply Board 30 08041 79 Troubleshooting Preva No X Ray Produced and No Audible Exposure Indicators Figure 56 Power Supply Control Board 30 08043 80 Two different audible exposure indicators are employed within the Preva system One indicator is embedded in the Operator Panel and will initiate
68. re attempts The voltage should not oscillate between 1 5 and 3 5 instead the measurement should come to a specific value and stabilize Oscillating values or absent values will indicate the need to replace the Tubehead Assembly e TP10 kV Monitor This voltage should be between 3 and 4 volts DC during exposure attempts The voltage should not oscillate between 3 and 4 instead the measurement should come to a specific value and stabilize Oscillating values or absent values will indicate the need to replace the Tubehead Assembly Absent feedback values may also indicate shorted components on the H V Control Board 9e g C26 and C25 for kV feedback and C27 and C16 for mA feedback Inspect the condition of each before making a final determination The resistance from C25 to ground should be 24 to 26 K R s See Figure 59 for the location of C25 If the feedback voltages are present and stable replace the Power Supply Control Board Troubleshooting Preva Figure 58 Power Supply Board 30 08041 83 Troubleshooting Preva Incorrect kV 84 At times non invasive measurement of an otherwise fully functional system indicates that kilovoltages may be incorrect Kilovoltage is controlled by the microprocessor and is not adjustable The Preva generates kilovoltage by first establishing a reference voltage and then comparing the feedback voltage to the reference Follow these steps to establish proper operation of the kV controls 1
69. reva Tube Seasoning Procedure Note Do not use this procedure if you have just replaced the head Refer to Page 66 for the Calibration procedure X ray tubes that sit dormant for several months can become electrically unstable To remedy this condition it is recommended you perform a new tube seasoning procedure This process establishes stable high voltage operation and will ultimately extend the life of the tube Repeat this procedure before returning to normal operation any time the system has been unused for more than two months Verify system operation Energize the system Select 60 kilovolts 7 milliamperes and the exposure time of one second Make five exposures at this level observing the normal cooling time Select 65 kilovolts 7 milliamperes and the exposure time of one second Make five exposures at this level observing the normal cooling time Select 70 kilovolts 6 milliamperes and the exposure time of one second Make five exposures at this level observing the normal cooling time Oe ool eS Your responsibilities as an installer and service engineer Verification of machine performance after installation must be performed according to the guidelines identified in the System Function Checklist which may be found in the User Manual or the Installation and Service Manual Verification of machine performance after maintenance or repair must be performed according to the guidelines identified in the
70. reva Dental X Ray System has a software driven system configuration mode When the Preva is in system configuration mode you can perform the following procedures Adjusting the Display Changing Pre programmed Exposure Settings Changing the Cone Size Showing Current System Configuration Displaying Diagnostic Data To enter system configuration mode press the Tooth Selection and Patient Size Selection buttons on the Operator Panel simultaneously for 5 seconds The display shows the Main System Configuration menu as shown in Figure 41 and the Ready Indicator blinks To select menu items while in system configuration mode use the up and down arrows to highlight a menu option Then use the right arrow button as an Enter button to select the highlighted option When changing presets the right arrow button is also used to select the technique factor After selecting a menu option use the up and down arrows to increase or decrease values MENU OPTIONS CHANGE PRESETS CONFIGURE UNIT EXIT System Configuration Preva Adjusting the Display The Preva Dental X Ray System allows the operator to adjust the display image 1 From the Main System Configuration menu Figure 41 select ADJUST DISPLAY You will see the Display Options menu shown in Figure 42 2 Selecting EXIT returns the display to the Main System Configuration menu Adjusting 1 Select ADJUST CONTRAST from the menu You will see the Progeny logo Contras
71. ribbon cable and communication cable are found acceptable open the Operator Panel case and measure for the presence of 5 volts DC across TP1 and TP4 of the Operator Panel Board as shown in Figure 48 Absence of this voltage indicates the need to reconfirm the power supply voltages and communication cable Presence of the voltage requires the replacement of the Operator Panel Board Troubleshooting Preva TP1 24 Volts DC TP 2 8 1 and 24 Volts DC TP3 8 1 Volts DC Ree eee eee eee ee TP 4 12 Volts DC TP 5 12 Volt DC Common Return J3 Line Suntok Connector Power Supply J4 Input Power Terminal Strip Figure 46 Board 30 08041 AAA AA tos BE we SO A ee eH pik mia ES A ieee eee ee TORR eRe Cee ee D7 5 Volts DC D8 12 Volts DC a TE TEP Tir 2A loa e F Thm me JEH E z ce ae D9 24 Volts DC ODE ASSYEM os e MIOT WARHd w 4 Oh Wiis i MITE TP1 Common Return TP2 5 Volts DC TP11 8 1 Volts DC TP12 24 Volts DC Figure 47 Power Supply Control Board 30 08043 69 Troubleshooting Preva Figure 48 Operator Panel Board 30 08054 70 AJU YOOPO OT Assy Iya YOULMOD VAIS rf TP1 5 Volts DC A eeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeeeeeeeeeeeee 4 TP4 Common Return Troubleshooting Preva Light or Dark X Ray Images At Power up the Operator Display Stops at Progeny Preva At Power Up Continuous Beep Backlit Display No Display Chara
72. rizontal Arm to the Control Unit The Horizontal Arm is available in four lengths providing reaches of 56 66 76 and 82 inches The Cone establishes the distance from the x ray tube to the patient s skin It provides positioning assistance and collimates the x ray beam to within a defined circle at its end The Preva is shipped with the standard 8 inch Cone attached to the Tubehead A 12 inch Cone 30 A2200 can be ordered as an option An optional component the remote control switch is used to make exposures in addition to or replacing the use of the exposure button An optional device the mobile unit supports pre programmed technique selections and x ray acquisition See Appendix A for the installation instructions for the mobile unit The Preva Dental X Ray System should only be installed and serviced by approved Progeny dealer personnel Contact Progeny A Midmark Company at Installation Options Preva Service 888 924 3800 if you need assistance locating an approved dealer CAUTIONS When using lag screws as the method of attachment it is imperative to consider the full scope of the task Several factors must be considered for safe permanent installations Some of the key issues are Lumber commonly used in construction projects can be different from location to location The grade age position and overall condition can vary greatly The attachment stud may have additional hidden loads The location of the pilot
73. rking properly and that the Ready Indicator is illuminated when the power switch is in the ON position Operator Panel With the power switch located at the upper right of the Control Unit in the o Controls ON position verify that technique factors appear on the Operator Panel Also check the function of the selection buttons for Tooth Selection Image Receptor Type and Patient Size Pressing a selection button should cause indicator lamps to indicate the selected item Exposure Verify that the Exposure button on the Operator Panel is functioning properly Button To make an exposure press and hold the Exposure button until the Radiation Indicator is extinguished and the audible signal is no longer heard Exposure Make several exposures and verify that the Radiation Indicator illuminates Indicators and the audible signal is heard Premature Select the longest exposure time possible using the up and down arrows Termination Initiate an exposure but release the Exposure button after a brief period of time before the timer terminates the exposure Verify that the display indicates Pre termination Error and returns to normal operating mode Coil cord Hand If a coil cord hand switch is used inspect the switch housing and coil cord for Switch Option damage or wear Replace if evidence of damage is present 50 User Information Make certain that the user of the system has received the User Manual Checking System Functions P
74. rm as shown in Figure 19 6 Press down until the shaft is completely seated in the Horizontal Arm 7 Remove the cardboard tube to free the wires Discard the cardboard tube 8 Untie the Articulating Arm and remove the plastic covering Figure 19 Installing the Articulating Arm and Tubehead Assembly 33 Installation Procedures Preva Install the Articulating Arm Brake Assembly Figure 20 Installing the Hex Nut and Set Screw Figure 21 Adjusting the Articulating Arm Brake Assembly 34 1 2 Locate the Articulating Arm brake assembly 30 A2068 Insert the M6 x 25 mm long set screw as shown in Figure 20 Using a 3 mm Allen wrench tighten the screw fully than back off 1 4 and secure with the hex nut Using a 3 mm Allen wrench install the Articulating Arm brake Tighten screws until the Articulating Arm brake comes into contact with the shaft of the Articulating Arm If additional friction is required to prevent drifting turn the two screws evenly turn at a time until drift stops as shown in Figure 21 Articulating Arm Brake amp Screws Installation Procedures Preva Connecting the Cables Connecting 1 Connect the two Articulating Arm cables to the Horizontal Arm cables as shown in the Figure 22 and 22A 2 Once the connections are made dress the cables and push into the opening in the Horizontal Arm Articulating and Horizontal Arm Cables Figure 22 Connecting the Articulating
75. rol Board and the Operator Panel Progeny includes two communication cables with each Preva system Should the installed communication cable be suspect temporarily substitute the other cable as a test tool 4 If the power switch is on and there is no operator display and a faint buzzing sound is also detected check the ribbon cable installed between the Power Supply Board and the Power Supply Control Board If the cable is not properly seated reinsert it If it is damaged replace the cable 5 On the Power Supply Control Board observe the power supply indicator LEDs D7 5 volts DC D8 12 volts DC and D9 24 volts DC as shown in Figure 47 Voltages can also be measured by using TP1 the Common Return and checking TP2 5 volts DC TP11 8 1 volts DC and TP12 24 volts DC If any of these indicators are not present after power is applied next check voltages on the Power Supply Board 6 On the Power Supply Board use TP2 as a common test point and check TP1 24 volts DC and TP3 8 1 volts DC as shown in Figure 46 Then use TP5 as the common return to check TP4 for the presence of 12 volts DC Should any of these voltages not be present replace the Power Supply Board lf each voltage is present inspect the condition of the ribbon cable between the Power Supply Board and the Power Supply Control Board If the cable is undamaged and seated properly replace the Power Supply Control Board 7 Ifthe power supply voltages are present and the
76. s and hence of the Control Unit 1 Using a stud finder locate the center of the stud on which the Control Unit will be mounted 2 Place the mounting template for the dual stud mount on the wall with the lower mounting holes 40 inches above the floor 3 Place a level parallel to the vertical lines on the mounting template and adjust the mounting template until it is plumb 4 Tape the mounting template to the wall 5 Using an awl or other sharp object punch through the mounting template to mark the location of the mounting holes 6 Drill inch pilot holes at marked locations 7 Drill 1 inch clearance holes 8 Remove the mounting template from the wall and save for future use Filler material is added to the wall to prevent the metal stud wall from being crushed during installation 1 Cutan access hole 6 inches by 10 inches in size between the clearance holes 2 Insert two 4x4 wooden studs in the access hole Attach the studs to the rear drywall surface with drywall screws CAUTION The sheet metal stud wall must be secure to hold a load of 850 ft Ibs 118 kg m In the metal wall stud installation the Control Unit is bolted to a wall plate Figure 15 that has been installed to the support plate shown in Figure 16 The wall and support plates are shipped separately from the Preva Put the small then the larger washers and nut on each of the four carriage bolts 2 Insert the carriage bolts into the support
77. screws provided If the cable is routed on the surface of the wall make sure it sits in the notch on the bottom of the enclosure Confirm that no wires are being pinched between the junction box and the enclosure 6 Hook the outer section of the enclosure and fasten the two pieces at the bottom with the 6 32 x 5 16 screw 56 Optional Installation Procedures Preva Installing the Note This configuration uses two cables One connects the Preva to the first Dual Switch switch and the other connects the first switch to the second switch Route one cable from the Preva to the first switch location either through conduit or on the surface of the wall 2 Route the other cable from the first switch location to the second switch location either through conduit or on the surface of the wall 3 Thread the first cable end with the handset connector through the opening in the wall mount cover from the inside and connect it to the Operator Panel If the cable is routed on the surface of the wall it should enter the wall mount cover through the notch on the left of the power switch 4 For a parallel connection connect the cable conductors of both cables to terminal block J1 on the PCB of switch enclosures 1 as shown in Figure 38 The 2 indicates that two green wires will join together in terminal 1 of J1 etc For a series connection connect the wires as shown in Figure 39 green 2 f black 2 yellow 2 Figure 38 Paralle
78. ssues Contact Support General Information 67 Questions should be directed to Progeny Technical Support Phone 888 924 3800 Fax 847 415 9801 techsupport progenydental com Test Equipment Electrical measurements require specific meter test probes Use small test clips such as Pomona Electronics Minigrabber Test Clip Model 6248 or Radio Shack Mini Hook Adapters catalog 270 334 or the equivalent Replacement Parts e Kit Power Supply Board 30 A2155 e Power Supply Control Board 30 08043 e Operator Panel Board 30 08054 e 25 foot Communication Cable E1 13003 e 6inch Communication Cable E1 13004 e Rocker Switch E1 19026 e Yoke Cable 30 08071 e Tubehead Assembly 30 A1027 e Ribbon Cable 30 08072 Note e f you replace the Operator Panel Board 30 08054 you must re program any customized technique factors as explained in the System Configuration section of this manual e Ifthe you replace the Power Supply Control Board 30 08043 or the Tubehead and the firmware revision is 5 0 or less you must recalibrate the system Please contact Progeny Technical Support for instructions CAUTION The Preva system has the capacity to store electrical energy during operation and after the system has been turned off e The Preva system will store energy for approximately three minutes after removal from power lines Before attempting service within the system observe the green LED D11 of the Power Supply Board Illumination
79. t 2 Use the up and down arrows to increase or decrease the contrast between the menu text and the display background 3 Press the right arrow to save your settings Reversing the 1 Select REVERSE IMAGE from the menu The text and display background Image colors will be swapped 2 Press the right arrow to save your settings DISPLAY OPTIONS b REVERSE IMAGE Figure 42 Display Options Menu 61 System Configuration Preva Changing Pre programmed Exposure Settings Displaying the Change Presets Menu Changing All Receptor Settings Globally Preprogramming to Digital Sensors Changing Presets Individually 62 The Preva Dental X Ray System allows the operator to increase or decrease image density for all presets for a receptor simultaneously or to change each of the technique factors for a preset individually You can also restore factory default settings For charts of the factory default settings refer to Factory Default Exposure Settings later in this manual 1 oS OS Note If the 12 inch cone is going to be used configure the Preva for use with the 12 inch cone before changing pre programmed exposure settings Configuring the Preva for use with the 12 inch cone will reset exposure settings to the default settings used with the 12 inch cone From the Main System Configuration menu Figure 41 select CHANGE PRESETS You will see the Preset Options menu shown in Figure 43 Selecting EXIT returns the disp
80. the mounting plate and hence the Control Unit 1 Using a stud finder locate the center of the studs on which the wall plate will be mounted 2 Place the mounting template for the two stud mount on the wall with the lower mounting holes 40 inches above the floor 3 Place a level parallel to the vertical lines on the mounting template and adjust the mounting template until it is plumb 4 Tape the mounting template to the wall 5 Using an awl or other sharp object punch through the mounting template to mark the location of the mounting holes 6 Drill 5 32 pilot holes for common pine studs at marked locations 7 Remove the mounting template from the wall and save for future use Install the Wall In the dual wood wall stud installation the Control Unit is bolted to a wall plate Plate 30 A2042 that has been installed on two wood studs The wall plate shown in Figure 15 is shipped separately from the Preva 1 27 Select the 3 8 inch 3 inch long lag screws and washers Put the lag screws and washers through the mounting holes on the wall plate and loosely tighten Be sure that the power wire extends through the opening in the wall plate Level the wall plate Tighten the lag screws to 14 to 18 ft lbs CAUTION Do not over tighten the lag screws Over tightening the lag screws will damage the wooden stud and reduce the holding force Installation Procedures Preva Figure 15 Mounting Plate for Dual Stu
81. the installation of the Preva Dental X Ray System and as part of the recommended maintenance as indicated in the User Manual Failure to perform these checks may result in an installation that does not comply with U S Radiation Performance Standards 21 CFR Subchapter J CAUTION If the Preva Dental X Ray System does not perform the functions below advise the owner that the system is not to be used See the Troubleshooting section of this manual or contact Progeny s Technical Support 49 Checking System Functions Preva System Function Checklist Wall Mounting Ensure that the wall support is adequate and that the system is properly mounted to the wall Ensure that all certified components bear labels that include the model and Labels serial number date of manufacture and a statement of certification as noted elsewhere in this manual Tubehead Check for oil leaks or other evidence that could indicate internal damage Replace the Tubehead if necessary Ensure that the Tubehead maintains its position around the horizontal axis while remaining easy to rotate and position Also check the vertical pivot of the Tubehead for easy movement while remaining in position after moving Tubehead Rotation Check that all movements are smooth and quiet Verify that the Tubehead is properly counterbalanced for vertical drift and that the Horizontal and Articulating Arms do not drift horizontally Verify that the switch is wo
82. the screw in a safe location for later reassembly Select the 5 16 inch 9 inch long socket cap screws and washers Put the upper screw and washer through the upper mounting hole of the Control Unit Place the Control Unit on the wall and loosely tighten the upper screw Put the lower screw and washer through the lower mounting hole of the Control Unit and loosely tighten Be sure that the power wire extends through the opening at the bottom of the Control Unit Place a level on the Control Unit bearing parallel to the wall Level the Control Unit Tighten the upper and lower screws After the Preva is installed slide covers on the wall plate and screw on Installation Procedures Preva Installing the Horizontal Arm and Brake Assembly Installing the Horizontal Arm and Brake Assembly N Locate the Horizontal Arm in the top level of the shipping carton Remove the Horizontal Arm from the shipping carton Do not remove the cardboard tube around the wires bot remove the red tag Insert the cardboard tube snugly into the shaft of the Horizontal Arm Note Do not lubricate the shaft of the Horizontal Arm or bearings in Control Unit Insert the cardboard tube enclosing the wires into the opening in the top of the Control Unit Insert the Horizontal Arm completely into the Control Unit as shown in Figure 17 Ensure that the Horizontal Arm is firmly seated in place Remove the cardboard tube to free the wires Discard the cardboard tub
83. ting to a plywood or particle board wall is not acceptable Verifying the wall support capability and the selection of the proper mounting hardware is the responsibility of the installer Please note that a two stud wall plate assembly 30 A2042 is available as an option to mount on two wooden studs Assembly 30 A2043 is available as a metal stud mounting kit The wall support and mounting hardware for the Preva must withstand a 100 lb 45 36 kg shear load and a 500 lb 227 kg withdrawal force at each of the mounting bolts The wall fabrication and attachments to the building structure must be capable of withstanding a load moment of 920 ft lbs 418 kg m Installation Options Preva Electrical Requirements Main Power Supply Line Cord Use Line Voltage Fuse Rating Max Line Resistance The Preva Dental X Ray System requires a three wire electrician supplied power supply Two power lines Line LINE and Neutral NEUT and a Ground GND are required It is recommended that the unit be installed with a dedicated electrical line connected to a breaker with a minimum 15 amp rating The wiring must provide for a permanently grounded power line configuration The installer must determine the suitability of installing the Preva with a line cord If a line cord is used the installer must ensure that the unit is properly grounded and has the required line rating Nominal 110 230 VAC 10 5A 250V UL Recognized Nomi
84. tings The tables below show the factory default exposure settings for each combination of Tooth Image Receptor Type and Patient Size on the Operator Panel These exposure settings can be modified using the System Configuration mode See the System Configuration section for details 8 inch Cone 20 cm Progeny Schick Dexis Kodak Sirona PSP D Speed E F Speed Adult Child Adult Child Adult Child Adult Child Adult Child Adult Child Adult Child Adult Child Pt Pt Pt Et et DLAN SLAE SE Incisor 60 60 65 65 60 60 65 65 60 60 60 60 60 60 60 60 B 7 7 7 7 7 7 7 7 7 r 7 7 f 7 7 7 0 125 0 064 0 080 0 050 0 125 0 064 0 080 0 050 0 080 0 064 0 160 0 080 0 320 0 160 0 160 0 080 Bicuspid Bitewing 0 200 0 100 12 inch Cone 30 cm Progeny Schick Dexis Kodak Sirona D Speed E F Speed Adult Child Adult Child Adult Child Adult Child Adult Child Adult Child Adult Child Adult Child Incisor 60 60 65 65 60 60 65 65 60 60 60 60 60 60 60 60 g 7 7 7 7 7 7 7 7 7 7 f 7 7 r 7 7 0 250 0 125 0 160 0 100 0 250 0 125 0 160 0 100 0 160 0 125 0 320 0 160 0 640 0 320 0 320 0 160 Bicuspid Bitewing Maintenance Preva Arm and Tubehead Pivot Joint Cover Male 30 P0031 30 A1024 Gray Articulating Arm amp Yoke Assy 30 P0001 l Pivot Joint Cover Female 30 P0030 Gray g 30 P0014 Yoke End Cover Is 30 A1083 30 P0033 Gray Female Cover Handle gt
85. tion and must be used whenever single stud installations are performed The Installation Guide is equipped with side tabs which can be removed if placement of the Guide is obstructed by an electrical box During installations which include attachment to a 4x4 wooden stud all of the tabs on one side of the guide can be removed in order to facilitate adequate placement and attachment 1 Locate the wooden stud 2 Make a small opening in the wall to positively identify the position of the wooden stud Installation Procedures Preva 3 Draw an outline of the installation guide on the wall ensuring that the vertical height matches the requirements set forth on the Wall Mount Template 30 50003 Open the wall so that the installation guide will rest directly on the wooden stud 4 Place the installation guide on the wooden stud 5 Drill two 5 32 inch diameter holes using the installation guide as a drill template 23 Installation Procedures Preva 6 Attach the wall mounted control leaving the installation guide in place 24 Installation Procedures Preva Remove Control Unit Front Cover Mount and Level the Control Unit 25 A Open the shipping carton and locate the Control Unit in the first level of the carton Remove the Phillips screw from the front cover of the Control Unit Carefully remove the front cover Place the front cover and the screw in a safe location for later reassem
86. to be adjusted 9 Observe normal radiation protection procedures in preparation for the following steps 10 Make an exposure 11 Observe the feedback values To adjust kV 1 Press the Up switch to activate the Adjust feature This displays the Current kV Modulation Level screen Press the Up or Down switch while observing the Counts indicator Adjust the Counts in small increments Press Enter to exit and return to operational mode Make an exposure and observe the feedback Repeat steps 1 5 until the desired kV level is reached nce completed it is necessary to deactivate the calibration session Press and hold the Tooth Selector switch and the Patient Size Selector switch for five seconds You will see the Menu Options screen Figure 41 2 Press the down arrow to highlight the CONFIGURE UNIT option and press Enter This displays the Configure Unit menu Figure 44 3 Press the down arrow to highlight the Set Configuration option and press Enter You will see the Set Configuration menu Figure 45 4 Press the down arrow to highlight the Diagnostic Mode Off option and press Enter This displays the Configure Unit screen 5 Press the down arrow to highlight the Exit option and press Enter This displays the Menu Option screen 6 Press the down arrow to highlight the Exit option and press Enter This returns the system to operational mode 0 PIPAS Maintenance Preva Troubleshooting Electrical Performance I
87. ts Replace the plastic covers on the end of the Articulating Arm Maintenance Preva Control Unit Side of Articulating Arm Balance Adjustment Figure 75 Adjusting Articulating Arm Balance 104 a Remove the plastic covers at the top of the Articulating Arm Position the Articulating Arm at a 45 degree angle Place a 9 inch long 8 mm Allen wrench T handle into the adjustment nut inside the Articulating Arm as shown in Figure 75 Turning the wrench clockwise will cause the Control Unit side of the Articulating Arm to lift Turning it counterclockwise will cause it to drop Adjust as necessary until the Control Unit side of the Articulating Arm no longer drifts Replace the plastic covers on top of the Articulating Arm Maintenance Preva Articulating Arm Friction Adjustments Figure 76 Friction Adjustments 105 The Preva has four friction adjustment points located at the four pivot points of the Articulating Arm These friction points can be adjusted to reduce or increase the force needed to position the Articulating Arm 1 Remove the plastic covers on the Articulating Arm to reveal the adjustment points 2 Using a 2 mm Allen wrench as shown in Figure 76 tighten both screws evenly at each adjustment point until the movement of the Articulating Arm is as desired Do not loosen adjustment points so far as to allow the Articulating Arm to drift Maintenance Preva Factory Default Exposure Set
88. usly for 5 seconds to display the Main System Configuration menu From the Main menu highlight and select CONFIGURE UNIT Then highlight and select SET CONFIG On the Set Configuration menu highlight and select DIAG MODE OFF Note Feedback values are approximate Maintenance Preva Calibration Calibrating kV Adjusting kV during Calibration Deactivating the Calibration Session 66 Devices with firmware revision of 5 0 and below will require calibration of the tube current Please contact Progeny at the number listed in the manual for calibration instructions Occasionally it may be necessary to calibrate kilovoltage kV Approximate mA and kV levels can be observed using the Diagnostic Mode feature of the Preva system If the kV needs calibration follow these steps 1 Energize the system Press and hold the Tooth Selector switch and the Patient Size Selector switch for five seconds 3 Select the SET CONFIG option You will see the Set Configuration menu Figure 45 4 Press the down arrow to highlight the DIAGNOSTIC MODE ON option and press Enter You will see the Configure Unit menu Figure 44 5 Press the down arrow to highlight the Exit option and press Enter This displays the Menu Option screen Figure 41 6 Press the down arrow to highlight the Exit option and press Enter This returns the display to operational mode 7 Press Enter to select the kV to be adjusted 8 Press Enter to highlight the time
89. value should be 24 volts AC If either voltage is missing replace the Power Supply Control Board If these voltages are present measure for the same values at the Tubehead Assembly at the connector J5 black on the blue and gray conductors and the blue and brown conductors lf the voltages are not present inspect the inter connect cables between the control and Tubehead Assembly Connections for this cable begin with controls at J1 of the Power Supply Board and J4 of the Power Supply Control Board As shown in Figure 51 an internal set of connections will be accessed below the distal side of the horizontal arm and at the inside top of the Tubehead Yoke The final set of connections is accessed by removing the Pivot Cap located at the attachment point of the Tubehead to the Yoke If the voltages are present replace the Tubehead Assembly Troubleshooting Preva Vs Ja A A A pa 5 y be L Figure 52 Power Supply Control Board 30 08043 Figure 53 Power Supply Board 30 08041 11 Troubleshooting Preva No I Filament Produced Figure 54 Power Supply Control Board 30 08043 78 1 On the Power Supply Control Board observe the power supply indicator LEDs D7 5 volts DC D8 12 volts DC and D9 24 volts DC as shown in Figure 54 Voltages can also be measured by using TP1 the Common Return and checking TP2 5 volts DC TP11 8 1 volts DC and TP12 24 volts DC If any of these indicators are not present afte
90. y 101 Maintenance Preva Adjusting the Follow this procedure ONLY if the yoke assembly does not stop on its own and Articulating Arm hits the horizontal arm Refer to Figure 73 while following the procedures below 1 Loosen the two set screws highlighted in Figure 73 but do not remove them completely 2 Loosen the two straight slotted screws highlighted in Figure 73 the figure shows only one of the two screws the other is located on the opposite side of the arm but do not remove them completely 3 Move the articulating arm into the position where you want it to stop before it hits the horizontal arm 4 Tighten the two straight slotted screws 5 Tighten the two set screws om des i CEBRA carrer Straight Slotted Screws Figure 73 Adjusting the Articulating Arm 102 Maintenance Preva Outside Articulating Arm Vertical Movement Figure 74 Adjusting Vertical Movement of the Articulating Arm 103 Remove the plastic trim covers from the end of the Articulating Arm nearest to the Tubehead Position the Articulating Arm with the arm nearest the Tubehead fully upward Insert a 9 inch long 8 mm Allen wrench T handle into the adjustment nut as shown in Figure 74 Turning the wrench clockwise will cause the Control Unit side of the Articulating Arm to lift Turning it counterclockwise will cause it to drop Adjust as necessary until the Control Unit side of the Articulating Arm no longer drif

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