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MINI6600

TM

 Mobile Digital C-Arm Service Manual - Periodic Maintenance

EARTH GROUND

           

The protective earth ground should be the last electrical connection broken and the first electrical connection
made during servicing procedures.

POTENTIAL EQUALIZATION

    

GRN/YEL wire is used to indicate protective earth conductors, accessible parts connected to earth parts, and
potential equalization conductors.

EMITTING X-RAY SOURCE

This symbol indicates the presence or potential of producing ionizing X-radiation.

Содержание MINI6600

Страница 1: ...e Digital C Arm Service Manual Periodic Maintenance MINI6600TM Digital Mobile C Arm Periodic Maintenance Procedure 00 879519 01 December 1997 OEC Medical Systems Inc 384 Wright Brothers Drive Salt Lake City Utah 84116 ...

Страница 2: ...ork on the MINI6600TM system The contents of this procedure are accurate at the time of publication However changes in design and additional features may be incorporated in the hardware and software which are not reflected in this version of the proce dure Contact OEC Technical Support for clarification if discrepancies arise The MINI6600 Digital Mobile C Arm is manufactured under the following U ...

Страница 3: ... the problem before completing the PM Form Note all failures and the corrective action taken in the comments section of the PM Form Additional space is provided at the end of the PM Form The tools and test equipment that are required to perform Periodic Maintenance are described inAppendixA All Torx screws have recommended torque specifications These specifications are described in AppendixA IMPOR...

Страница 4: ...low water soap or other liquids to drip into the equipment and cause short circuits electric shock and fire hazards Mechanical Operation TheArticulating arm is manually adjusted Trained Service Personnel Serious injury and property damage can result from incorrectly performed service procedures Observe all operat ing and safety procedures contained within this manual WARNING Procedures contained i...

Страница 5: ...bly produces X radiation when energized Never operate this device without X ray shielding in place Use lead shielding and draping to protect personnel WARNING Lead aprons radiation monitors and appropriate radiation shields must be utilized by person nel while performing tests Living human anatomy should never be used as a phantom or demonstration aid CAUTION Many of the PCB s in this system conta...

Страница 6: ...wing warning labels may be found on the system X RAY SAFETY WARNING WARNING Symbols The following symbols may be found on the MINI6600 DANGEROUS VOLTAGE PRESENT Dangerous voltages are present use safety precautions DANGEROUS VOLTAGE PRESENT Dangerous voltages are present use safety precautions ...

Страница 7: ...ion broken and the first electrical connection made during servicing procedures POTENTIAL EQUALIZATION GRN YEL wire is used to indicate protective earth conductors accessible parts connected to earth parts and potential equalization conductors EMITTING X RAY SOURCE This symbol indicates the presence or potential of producing ionizing X radiation ...

Страница 8: ...tenance NON A P This symbol indicates that equipment is non anesthetic proof and should not be operated in the presence of flam mable vapors liquids or other substances ATTENTION This symbol cautions you to refer to the service manual for additional information ...

Страница 9: ... FSR Request ID Number Indicate the system configuration with appropriate check marks NOTE Test equipment used must have current calibration dates Do not use test equipment with expired calibration stickers 3 While performing the Periodic Maintenance procedures log all test equipment used in the Test Equip ment Used block of the Periodic Maintenance Form 4 Place a check mark on the PM Form as each...

Страница 10: ...AC power cord is not plugged into the wall outlet 2 Remove the System covers Refer to the System Overview section in the MINI6600 Digital Mobile C Arm Service Manual 00 878315 for cover removal procedures Elapsed Time Indicator Read the elapsed time meter on the System and enter the number on the PM Form Inspect the Static Drag Wire 1 Verify that the static drag wire underneath the System is touch...

Страница 11: ...eration 3 Verify that the brake locks the mechanics in any position within the range of motion Verify the System Steering And Brake Operations 1 Select the LOCK mode by pressing the steering brake pedal completely down Verify that the casters and wheels are locked in position and do not move 2 Select the FREE mode by lifting the steering pedal up halfway Verify that the casters rotate and the whee...

Страница 12: ...or damage Look for signs of abrasion to the cable jacket If abrasions are de tected replace the cable 2 Inspect all connectors Ensure that all connectors are seated securely 3 Ensure all PCB s are seated securely Measure the Ground Continuity WARNING Do not perform this continuity test with theAC plug plugged into a power receptacle Verify the system power cord is disconnected from theAC receptacl...

Страница 13: ...nce refer to your Service Manual 00 878315 3 Verify that the elapsed time indicator is running NOTE The elapsed time indicator will increment every 6 minutes or 1 10th of an hour If the indicator is not running initiate repairs before continuing Periodic Maintenance System Virus Inspection 1 Turn or press the system keyswitch pushbutton to the OFF position 2 Access DOS by inserting a DOS disk in d...

Страница 14: ...onnected to Primary 1 COM and the blue wire is connected to Pri mary 2 COM 3 Ensure that the brown wire and the white brown wire are properly strapped to match the input line volt age measured in step 1 as indicated by the following table Transformer Tap 105V 115V 125V Input Volt Range 98 to 107 108 to 117 118 to 127 TABLE 2 NOTES A Additional information regarding the transformer taps can be foun...

Страница 15: ...e voltage regulation and record the results below Line Regulation 100 X Vn V1 V1 where Vn No load voltage V1 Max load voltage Regulation _________ 6 If the results above do not fall within the range of 0 to 15 percent the hospital should be informed that an in house wiring problem exists that should be corrected as soon as possible Note this on the FSR This problem results in a violation of a prov...

Страница 16: ...xiglass shield preventing access to PS4 refer to the Power Distribution section FIGURE 2 of the service manual 00 878315 for the location of PS4 Record the values measured in the following steps on the Periodic Maintenance Form 2 Measure the 24V on the monitor circuit boards at J6 between the black GND and yellow 24V wires Adjust R11 on PS4 to 24 VDC 1V if necessary Refer to FIGURE 1 for the locat...

Страница 17: ...53 and R21 2 The Video Switching PCB is located on the inside of the hinged rear panel of the electronics box Refer to FIGURE 4 in the Power Distribution section of the service manual 00 878315 GND TO ADJUST MEASUREMENT TOLERANCE TP25 TP24 NotAdjustable 5 0 VDC 0 75 VDC TP25 TP27 Adjust PS1 R53 OUT1 5 0 VDC 0 75 VDC TP25 TP28 Adjust PS1 R21 OUT 2 12 VDC 1 VDC TP25 TP19 NotAdjustable 12 VDC 1 VDC T...

Страница 18: ...ice manual 00 878315 for the location of PS2 2 PS2 output voltages are adjusted using the voltage adjustment pot shown in FIGURE 3 Power supply voltages are measured on the 6600 Controller PCB at the test points listed below Lead Lead Supply Tolerance Reading Range TP2 TP42 24 0 VDC 10 5 22 8 to 26 4 VDC TP2 TP37 12 0 VDC 3 11 6 to 12 4 VDC TP2 TP23 5 0 VDC 2 4 9 to 5 1 VDC VCC TP2 TP39 5 00 VDC 2...

Страница 19: ...e Manual Periodic Maintenance FIGURE 3 C Arm Power Supply PS2 5V 15V 15V 24V VOLTAGE ADJUSTMENT C6 F1 J2 J1 PIN 1 POWER FAIL DETECT CIRCUIT PIN 1 T1 L1 1 5 2 5 3 4 D GND 5 D GND 6 7 A GND 8 12 9 10 12 11 KEY 12 24 1 GROUND 3 NEUTRAL 5 LINE ...

Страница 20: ...lect the Setup Options menu and then select Run System Diagnostics The following tests will appear Front Panel Test System MemoryTests AT Motherboard Memory Image ProcessorTests IP PCB Memory Toggle MotionArtifact Toggles ON OFF Non Functional 3 Select the Front Panel Test and press the following switches and verify that a hex code is displayed and an audible tone is heard for each switch pressed ...

Страница 21: ...UAL BRIGHTNESS and CONTRAST operations 7 Verify the AUTO BRIGHTNESS AND CONTRAST operations 8 Verify the MANUAL MODE kV µA operation 9 Verify theAUTO NORMAL MODE operation 10 VerifyAUTO OSTEO PED MODE operation 11 Verify the image SAVE operation Not applicable if system is equipped with 4 image storage capability 12 Verify the VCR RECORD and the VCR PLAY operations if applicable 13 Verify the ONE ...

Страница 22: ...ames TABLE 5 16 Verify the PATIENTANNOTATION operation 17 Verify the DISK VIEW operation 16 image option systems 18 Verify the TEST PATTERN operation 19 Verify theALARM RESET operation 20 Verify L R operation 21 Verify the HELP operation 22 Verify the SET UP OPTIONS operation NOTE The image directory markers X ray summary special apps and customize features are not operational Attempts at selectin...

Страница 23: ...ct Adjust the Gen Lock Calibration 1 Observe LED s DS1 and DS2 on the Video Switching board If both LED s are illuminated the gen lock circuit is calibrated 2 If both DS1 and DS2 are not equally illuminated adjust tuning capacitor C89 on the Video Switching PCB using a non conductive alignment tool until both LED s are illuminated equally This verifies that the gen lock circuit is tuned to the cen...

Страница 24: ...er to the PROCEDURES section in the Service Manual 00 878315 Complete the following procedures CCD Camera Preparation Camera Focus Image Intensifier Focus Monitor CameraAlignment Pattern Confirm Monitor Size Linearity CameraAlignment BeamAlignment BeamAlignment Verification Window Placement Verification Set Camera Iris and Video Gain Align and Check Rotation Indicator Verify Resolution ...

Страница 25: ...s within this procedure produce X rays Use appropriate precautions Refer to the PROCEDURES section in the Service Manual 00 878315 Attention Stop here if you are performing a semi annual PM Proceed directly to Cleanup Complete the Annual Maintenance section if you are performing an annual Periodic Maintenance ...

Страница 26: ...ure produce X rays Use appropriate precautions Complete all semi annual PM procedures Refer to the PROCEDURES section of the Service Manual 00 878315 Complete the following sections Accessing 6600 Controller PCB Test Points Indicated vs Actual Technique Verification Record Technique Verification readings on the PM Form ...

Страница 27: ...aintenance Clean up WARNING Steps within this procedure produce X rays Use appropriate precautions 1 Use the compressed air to remove any dust particles from inside the system 2 Reboot and verify system operation 3 Replace all covers and wipe down the System ...

Страница 28: ...ify that each procedural step has been checked 3 Attach all films to the Periodic Maintenance Form cover 4 Sign and date the PM Form 5 Obtain the customers signature and date Leave the customer s copy with the customer 6 Mail the form and film s to OEC MEDICAL SYSTEMS INC ATTENTION TECHNICAL SUPPORT 384 WRIGHT BROTHERS DRIVE SALT LAKE CITY UTAH 84116 ...

Страница 29: ... include OscilloscopeTektronix 2236 or equivalent Digital Volt Ohm Meter Dosimeter Keithley Model 35050 PMX II non invasive meter or equivalent Model 96030 ion chamber Resolution Tool Converging Line Pair LP mm OEC P N 00 900860 Resolution Tool Mesh LP Inch OEC P N 00 900040 Ion Chamber Positioning Fixture LeadApron 1 mm Copper Filter 3 each required OEC P N 00 877682 MINI6600 9600 Service Disk so...

Страница 30: ...nt Kit Elite Gray Texture 900524 12 Paint Kit Rhinestone Texture 900524 13 Paint Kit Windswept Texture TABLE 6 Torx Crestcup Torque Specifications TORX SCREW SIZE NOMINAL TORQUE VALUE ACCEPTABLE RANGE 4 40 6 lbs in 5 8 lbs in 6 32 15 lbs in 13 16 lbs in 8 32 22 lbs in 21 24 lbs in 10 32 30 lbs in 28 31 lbs in TABLE 7 ...

Страница 31: ...ile Imaging System include the follow ing MonoblockTubeAssembly Image IntensifierAssembly Beam Limiting Device X ray ControlAssembly Complete Report ofAssembly FDAForm 2579 whenever any of the preceding assemblies are replaced in their entirety per 21 CFR 1020 30 d 1 and 2 The measurement values used for these tests are not the design specifications The test specifications used here take into acco...

Страница 32: ...ate Performed by Printed Name of Service Engineer Emp or Dealer Name Type of PMI Performed Check One Semi Annual Annual Return this booklette with the Yellow copies intact and the Beam Alignment Films attached to OEC Medical Systems Inc 384 Wright Brothers Dr Salt Lake City UT 84116 Attn Technical Support Dept Print 3 Pages ...

Страница 33: ...OT acceptable as proof of Radiographic alignment 2 If any of the above requirements are not met a re visit to the hospital will be required to re do the films until such time as they meet the requirements and specifications In cases where the hospital or clinic does not own or have access to a film processor beam films will not be required However this must be noted on the PMI form If not noted it...

Страница 34: ...spect Adjust Mini C Arm Power Supply Voltages Inspect the Service Outlet Strip PERIODIC MAINTENANCE PROCEDURES COMMENTS Line Voltage Regulation ______ White Customer Yellow Factory Pink Regional Service Center Green Service Engineer Page 1 12 040 9 96 1 GENERAL INSTRUCTIONS 2 SAFETY 3 COMPLETING THE PM FORM 4 BEGIN PERIODIC MAINTENANCE Semi annual PM Perform 1 2 3 4 6 7 Annual PM Perform 1 2 3 4 5...

Страница 35: ...mm COMMENTS Attach Films PERIODIC MAINTENANCE PROCEDURES COMMENTS TP14 GND TP25 TP15 TP25 TP25 TP15 75 kVp 98 0 micro amp 58 kVp 35 2 micro amp 58 kVp 35 2 micro amp 40 kVp 19 6 micro amp 75 kVp 98 0 micro amp TP14 GND TP14 GND TP14 GND TP14 GND 7 20 VDC to 7 80 VDC 4 70 VDC to 5 10 VDC 5 57 VDC to 6 03 VDC 1 69 VDC to 1 83 VDC 3 84 VDC to 4 16 VDC VDC VDC VDC VDC VDC TP14 GND TP15 40 kVp 19 6 mic...

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