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Service Manual

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4.16

Replacing fuses

4.16.1

Replacing mains fuses

✔

The unit is switched off and the power cable is disconnected.

1. Pull out the fuse holder.
2. Replace both fuses.
3. Reinsert the fuse holder into the intake sleeve.

4.16.2

Replacing the heater fuse

✔

The unit is switched off and the power cable is disconnected.

1. Open the bayonet catch of the fuse holder.
2. Replace the fuse.
3. Insert the fuse holder and lock it.

Содержание MyCrown Design

Страница 1: ...j a p j b Service manual...

Страница 2: ...res 8 1 2 3 2 About the physics of electrostatic charges 8 1 2 4 Radio interference 9 1 3 General information 10 1 4 Additional information 11 2 Installation 12 2 1 Preparing the cart 12 2 2 Preparing...

Страница 3: ...eplacing the display 40 4 8 Replacing the PC module 42 4 9 Replacing the lower cover of the control panel 47 4 10 Replacing the control panel 48 4 11 Replacing the trackball unit 55 4 12 Replacing the...

Страница 4: ...hted as follows Tip Information for simplifying work DANGER An imminent danger that could result in serious bodily injury or death WARNING A possibly dangerous situation that could result in serious b...

Страница 5: ...used 5 Identifies a reference to another text passage and specifies its page number List Designates a list Command menu item Indicates commands menu items or quotations NOTICE Important information o...

Страница 6: ...In order to ensure product safety this device may be operated only with original FONA Dental accessories or third party accessories expressly approved by FONA Dental In particular only the power cabl...

Страница 7: ...61010 1 2001 based on IEC 61010 1 2001 UL 60601 1 Part 1 first edition 2003 UL 60950 third edition 2000 UL 3101 1 Part 1 first edition 1993 They must be installed outside of the patient area a radius...

Страница 8: ...ermore they also should receive training in the physics of electrostatic discharges which can occur in the practice and the destruction of electronic components which may result if such components are...

Страница 9: ...thousandths of a millimeter It is obvious that integrated circuits which are connected to plugs leading outside of the unit via cables are sensitive to electrostatic discharge Even voltages which are...

Страница 10: ...acing parts Before replacing the boards observe the ESD protective measures Disposal Observe the information on disposal in the relevant operating instructions Installation site Observe the informatio...

Страница 11: ...n Operating Instructions MyCrown Design Tools Torx screwdriver size 6 10 20 30 40 shank length at least 70 mm Phillips screwdriver for M3 Blade screwdriver for heater fuse Open end socket wrench 12mm...

Страница 12: ...12 Service Manual b c 2 Installation 2 1 Preparing the cart Mounting the columns to the cart Screw the columns on to the cart with 4 screws...

Страница 13: ...Service Manual b c 13 Removing the cover and carrier plate 1 Remove the top cover from the column 2 Remove the carrier plate for the controller from the column...

Страница 14: ...he controller 1 Mount the carrier plate on the controller with 4 screws 2 Connect the following cables provided to the controller USB to LAN converter to USB interface A USB extension to USB interface...

Страница 15: ...Service Manual b c 15 Controller with connected cables 2 3 Mounting the control panel 1 Route the heating cable as shown in the illustration NOTICE Do not jam in the heating cable...

Страница 16: ...ule A USB cable on the trackball unit B heating cable C 3 Hang the control panel on the column Both hooks on the control panel must be mounted in the recesses in the column 4 Fasten the control panel...

Страница 17: ...ng the controller 1 Insert the controller into the column from above NOTICE Weight approx 14 kg NOTICE Do not jam in the cable 2 Fasten the controller securely with 4 countersunk screws To do so the c...

Страница 18: ...A Please note the order screw washer protective ground wire protective ground wire contact wheel The claw fasteners of the contact wheel must be pointed towards the sheet metal wall upwards in the il...

Страница 19: ...Service Manual b c 19 USB extension cable from controller and USB cable from control panel LAN cable from column and LAN extension cable from the controller...

Страница 20: ...20 MyCrown Design LAN cable from the control panel and USB to LAN converter Fuse on the cover with both heating cables from control unit und controller Route all cables in the column...

Страница 21: ...Service Manual b c 21 2 6 Attaching the cover 1 Attach the back cover on the column 2 Connect the camera cable...

Страница 22: ...of the MyCrown Design to be tested to the measuring socket of the unit tester 3 On the unit tester select the measurement RPE with 25 A 4 Perform the measurement RPE with 25 A by reliably and securel...

Страница 23: ...Have the fuse replaced by trained specialist personnel or a service engineer The exposure cannot be performed Check whether the software is displaying the ACQUISITION phase Check whether the camera i...

Страница 24: ...be injured or electrical components of the unit destroyed Switch off the unit prior to beginning work Pull out the power cable NOTICE Accessories For reasons of product safety this product may be oper...

Страница 25: ...Observe the ground cable and button connection 3 Carefully pull away the ground cable on the device side and disconnect the link to the button connection 4 Put aside the rear panel Mounting the back...

Страница 26: ...he power cable is disconnected 1 Remove the camera cable 2 Remove the back cover The cover can remain hanging on the device NOTICE Do not subject the cables to any tension NOTICE Backup data Before th...

Страница 27: ...e the screw washer 2 protective ground wires and contact plate at position A NOTICE Do not allow small parts to fall into the column Disconnecting the cables Remove the following cables Power cable US...

Страница 28: ...ign LAN cable from column and LAN extension cable from the controller LAN cable from the control panel and USB to LAN converter Remove both heating cables from control unit und controller from the fus...

Страница 29: ...anual b c 29 4 4 1 2 Removing the controller 1 Remove the 4 countersunk screws 2 Lift out the controller upwards NOTICE Weight approx 14 kg 3 Undo the 4 screws and remove the carrier plate from the co...

Страница 30: ...4 2 1 Preparing the controller 1 Mount the carrier plate on the controller with 4 screws 2 Connect the following cables provided to the controller USB to LAN converter to USB interface A USB extensio...

Страница 31: ...Service Manual b c 31 Controller with connected cables 4 4 2 2 Installing the controller 1 Insert the controller into the column from above NOTICE Weight approx 14 kg NOTICE Do not jam in the cable...

Страница 32: ...astening the protective ground wires Fasten the 2 protective ground wires at position A Please note the order screw washer protective ground wire protective ground wire contact wheel The claw fastener...

Страница 33: ...Manual b c 33 Connecting cables Connect the following cables Power cable USB extension cable from controller and USB cable from control panel LAN cable from column and LAN extension cable from the con...

Страница 34: ...34 MyCrown Design LAN cable from the control panel and USB to LAN converter Fuse on the cover with both heating cables from control unit und controller Route all cables in the column...

Страница 35: ...Service Manual b c 35 4 4 2 4 Attaching the cover 1 Attach the back cover on the column 2 Connect the camera cable...

Страница 36: ...om the back panel 2 Pull off the back panel parallel to the back NOTICE Observe the ground cable and button connection 3 Carefully pull away the ground cable on the device side and disconnect the link...

Страница 37: ...s 4 5 3 Installing the hard disk 1 Screw the new hard drive onto the sheet metal part using the 4 screws 2 Attach the 2 connectors to the new hard drive 3 NOTICE Do not jam in the connectors As shown...

Страница 38: ...sten the back panel securely with 6 screws 4 6 Replacing the handles Removing the back panel The unit is switched off and the power cable is disconnected 1 Remove the 6 screws from the back panel 2 Pu...

Страница 39: ...les Attaching the handles Screw on the handles Mounting the back panel 1 Reinsert the ground cable and reestablish the link to the button connection 2 NOTICE Do not jam in the ground cable or button c...

Страница 40: ...parallel to the back NOTICE Observe the ground cable and button connection 3 Carefully pull away the ground cable on the device side and disconnect the link to the button connection 4 Put aside the r...

Страница 41: ...rom the PC module 5 Remove the display Installing the display 1 Connect the DVI cable and the power supply cable to the display 2 Connect the USB cable to the PC module 3 Insert the display into the c...

Страница 42: ...the back panel securely with 6 screws 4 8 Replacing the PC module Removing the back panel The unit is switched off and the power cable is disconnected 1 Remove the 6 screws from the back panel 2 Pull...

Страница 43: ...y tension 2 Remove the connection board with camera connection and Wi Fi antennas The connection board can remain hanging on the device NOTICE Do not subject the cables to any tension Removing the PC...

Страница 44: ...ule remains hung at the top of the chassis 4 Remove all cables from the underside of the PC module 2x LAN cable camera connection and network connection 1x DVI cable 5x USB cable 2x cable for Wi Fi an...

Страница 45: ...the chassis from above 2 Connect all cables to the underside of the PC module 1x DVI cable 5x USB cable 2x LAN cable camera connection and network connection 2x cable for Wi Fi antennas fasten with 8...

Страница 46: ...n 4 Unscrew the PC module with 5 screws 5 Connect the power supply cable for the display and the two other cables marked Mounting the cover and connection board 1 Connect the connection board 2 Fasten...

Страница 47: ...the ground cable or button connection Carefully place the rear panel back on 3 Fasten the back panel securely with 6 screws 4 9 Replacing the lower cover of the control panel Removing the lower cover...

Страница 48: ...Design Attaching the lower cover Screw on the cover with 6 screws 4 10 Replacing the control panel Disconnecting the cables The unit is switched off and the power cable is disconnected 1 Remove the ca...

Страница 49: ...he cover can remain hanging on the device NOTICE Do not subject the cables to any tension 3 Remove the following cables USB extension cable from controller and USB cable from control panel LAN cable f...

Страница 50: ...nit from the fuse on the cover Removing the control panel 1 Remove the 3 screws from the control panel NOTICE Do not allow small parts to fall into the column 2 Unhook the control panel To do so lift...

Страница 51: ...nel 1 Route the heating cable as shown in the illustration NOTICE Do not jam in the heating cable 2 Route the following 3 cables through the feedthrough in the column LAN cable for radio module A USB...

Страница 52: ...52 MyCrown Design 3 Hang the control panel on the column Both hooks on the control panel must be mounted in the recesses in the column 4 Fasten the control panel with 3 screws at positions A and B...

Страница 53: ...act wheel The claw fasteners of the contact wheel must be pointed towards the sheet metal wall upwards in the illustration NOTICE Do not allow any small parts to fall into the column Connecting the ca...

Страница 54: ...n Design Connect the heating cable from the control unit to the fuse on the cover Route all cables in the column Attaching the cover and connecting the camera 1 Attach the back cover 2 Connect the cam...

Страница 55: ...the trackball unit The unit is switched off and the power cable is disconnected 1 Remove the lower cover from the control panel 2 Turn the trackball circlip counter clockwise and remove it 3 Remove th...

Страница 56: ...m rotating simultaneously 6 Remove the trackball unit by pulling it down Installing the trackball unit 1 Screw the trackball unit into the control panel from the bottom Hold on to the nuts from the bo...

Страница 57: ...Service Manual b c 57 3 Insert the trackball ball 4 Turn the trackball circlip clockwise and tighten it 5 Attach the lower cover to the control panel...

Страница 58: ...n Design 4 12 Replacing the USB cable of the trackball The unit is switched off and the power cable is disconnected 1 Remove the lower cover of the control panel 2 Remove the USB cable from the trackb...

Страница 59: ...13 Replace radio module Removing the radio module The unit is switched off and the power cable is disconnected 1 Remove the lower cover from the control panel 2 Remove the USB cable and the LAN cable...

Страница 60: ...odule from the self adhesive mounting tape 4 Remove the rest of the mounting tape Attaching the radio module 1 Stick in the radio module with double sided adhesive mounting tape 2 Connect the USB cabl...

Страница 61: ...Attach the lower cover to the control panel 4 14 Replacing the LAN cable on the radio module Removing the LAN cable The unit is switched off and the power cable is disconnected 1 Remove the lower cove...

Страница 62: ...sign 2 Remove the back cover The cover can remain hanging on the device NOTICE Do not subject the cables to any tension 3 Remove the LAN cable from the radio module 4 Remove the LAN cable from USB to...

Страница 63: ...Service Manual b c 63 Connecting the LAN cable 1 Connect the LAN cable to the radio module 2 Connect the LAN cable to the USB to LAN converter 3 Attach the lower cover to the control panel...

Страница 64: ...Design 4 Attach the back cover 4 15 Replacing the heater Removing the heater The unit is switched off and the power cable is disconnected 1 Remove the lower cover from the control panel 2 Remove the...

Страница 65: ...rvice Manual b c 65 3 Remove the cable from the heater 4 Remove the 4 screws 5 Remove the heater with the O ring Attaching the heater 1 Insert the heater with the O ring and fasten it with the 4 screw...

Страница 66: ...66 MyCrown Design 2 Route the heating cable as shown in the illustration 3 Connect the cable to the heater 4 Attach the back cover 5 Attach the lower cover of the control panel...

Страница 67: ...able is disconnected 1 Pull out the fuse holder 2 Replace both fuses 3 Reinsert the fuse holder into the intake sleeve 4 16 2 Replacing the heater fuse The unit is switched off and the power cable is...

Страница 68: ...off and the power cable is disconnected 1 Remove the rear panel 2 Remove the connection board The connection board can remain hanging on the device NOTICE Do not subject the cables to any tension 3 R...

Страница 69: ...converter 5 Remove the USB to LAN converter from the PC module Attaching the USB to LAN converter 1 Connect the USB to LAN converter to a USB port on the PC module 2 Connect the LAN cable of the radio...

Страница 70: ...70 MyCrown Design 4 Attach the rear panel 5 Attach the back cover...

Страница 71: ...N cable The unit is switched off and the power cable is disconnected 1 Remove the upper back cover The cover can remain hanging on the device NOTICE Do not subject the cables to any tension 2 Remove t...

Страница 72: ...72 MyCrown Design 3 Remove the LAN cable from the respective coupling on both sides...

Страница 73: ...Service Manual b c 73 Installing the LAN cable 1 Route the LAN cable through the cart 2 Connect the LAN cable to both couplings...

Страница 74: ...74 MyCrown Design 3 Attach the lower cover 4 Mount the upper cover...

Страница 75: ...c 75 4 19 Replacing the camera cable Removing the camera cable 1 Remove the camera cable from the device 2 Remove the ring nuts from the camera with an open end wrench SW 18 3 Remove the grip sleeve...

Страница 76: ...76 MyCrown Design 4 Remove the strain relief 5 Carefully pull the cable plug upwards...

Страница 77: ...Service Manual b c 77 Attach the cable to the camera 1 Thread the handle sleeve over the new cable The ring nut is already threaded 2 Connect the camera cable...

Страница 78: ...Slide the cores carefully forwards beneath the EMC cover Make sure that no cores are protruding from the cover or are jammed in 4 Tighten the screws with a tightening torque of 1 5 Nm IMPORTANT Ensure...

Страница 79: ...e sealing ring A is properly seated 6 Unscrew the ring nut NOTICE Tighten the ring nut only by hand 4 20 Replacing the handle sleeve of the camera To replace the handle sleeve the cable must be remove...

Страница 80: ...FONA Dental s r o Stefanikova 7 SK 811 06 Bratislava Slovakia K K NOKOMNT 66 18 917 D3624 076 02 03 Nr 124 730 j W p a p d e c PNI a J SQSOR _ I d K K...

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