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Summit Industries INNOVET SELECT HF APR Installation And Service Manual

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™
INNOVET SELECT
HF APR
Installation and Service Manual
02104-000
Rev. E Oct2005
SUMMIT INDUSTRIES, INC.
2901 West Lawrence Ave.
Chicago, IL 60625
773-588-2444
www.summitindustries.net

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  • Page 1 ™ INNOVET SELECT HF APR Installation and Service Manual 02104-000 Rev. E Oct2005 SUMMIT INDUSTRIES, INC. 2901 West Lawrence Ave. Chicago, IL 60625 773-588-2444 www.summitindustries.net...
  • Page 2 ™ InnoVet Select HF APR Service Manual NOTICE TO INSTALLERS All freight is shipped FOB from the factory. This means it is the installer's responsibility to inspect the shipment for damage and proper count. Upon receipt of the merchandise, any visible damage to the cartons should immediately be examined while the shipper is present.
  • Page 3 Equipment, which has been modified or altered in any way. • Injury or damage to patient or other personnel for any of the above causes. We are proud of our products and are confident they will provide many years of useful and enjoyable service. Summit Industries...
  • Page 4 ™ InnoVet Select HF APR Service Manual CAUTION: THIS MANUAL IS FOR USE BY PERSONNEL QUALIFIED TO INSTALL, CALIBRATE, MAINTAIN AND SERVICE RADIOGRAPHIC EQUIPMENT. HAZARDOUS VOLTAGES MAY BE PRESENT, AND PERSONS UNFAMILIAR WITH SAFE OPERATING PROCEDURES SHOULD NOT ATTEMPT TO PERFORM SERVICE ON THIS DEVICE.

  • Page 5: Table Of Contents

    ™ InnoVet Select HF APR Service Manual PRE-INSTALLATION................... 9 General ...................... 9 Use of This Manual ..................9 Equipment Description................10 1.3.1 General ..................10 1.3.2 Space Requirements..............11 Safety....................... 12 1.4.1 General ..................12 1.4.2 Manufacturer's Responsibility ............13 1.4.3 Radiation Protection..............
  • Page 6 ™ InnoVet Select HF APR Service Manual OPTIONS FOR FIELD INSTALLATION ............32 Table Top Extension ................32 Animal Restraints..................32 Foot Treadle .................... 33 GENERATOR PRE-INSTALLATION..............34 Introduction ....................34 Installation Items and Test Equipment ............ 34 Component Access.................. 35 5.3.1 Access To Operator’s Console PCBA ........
  • Page 7 ™ InnoVet Select HF APR Service Manual Using The Operator’s Console SYSTEM CONFIGURATION ....51 CAL BOOTUP Screen ................51 TUBE ROLL CAL Screen and Calibration..........52 XRAY CAL Screen................... 53 TUBE SETUP Screen ................54 PWR MOD SET Screen................54 PWR MOD CAL, FIL# TBL Screen ............
  • Page 8 ™ InnoVet Select HF APR Service Manual TABLES: Maximum Power Rating................17 Maximum Line Current................17 Line Matching Transformer Connections ..........41 Tube Stator Cable Connections............... 44 Table Interface Cable Connections at TB - 5 ........... 45 DIP1 Functions (System Controller PCBA)..........48 DIP2 Functions (APR Console PCBA).............

  • Page 9: Pre-Installation

    General This manual contains installation, calibration, and service information for the InnoVet Select HF APR System. The system includes the generator, table and tubestand, as well as other equipment (such as collimator and x-ray tube) not described in this manual. To gain an understanding of the complete system, study the operator’s and service manuals for all associated equipment.

  • Page 10: Equipment Description

    • The generator is designed to fit entirely within the table base. • The InnoVet Select HF APR system is a fully integrated table/tubestand structure with the generator and transformer installed within the table base for use in veterinary radiography.

  • Page 11: Space Requirements

    ™ InnoVet Select HF APR Service Manual 1.3.2 Space Requirements - Figure 1 INNOVET SELECT SYSTEM DRAWING Model S305 1. For STANDARD Fixed-Top tables 3" HEIGHT 28" 82-1/2" 53" (A 12" extension is available for this version only) 2. For tables with Float-Top option 3"...

  • Page 12: Safety

    ™ InnoVet Select HF APR Service Manual Safety 1.4.1 General It is important that everyone associated with x-ray work is familiar with the recommendations of the Department of Health, National Bureau of Standards, and the National Council on Radiation Protection. The control of diagnostic medical x- ray equipment varies in detail from state to state.

  • Page 13: Manufacturer's Responsibility

    ™ InnoVet Select HF APR Service Manual 1.4.2 Manufacturer’s Responsibility Although this equipment incorporates protection against x-ray radiation other than the useful beam, practical design cannot provide complete protection. This equipment does not prevent the possibility of improper use, which results in authorized or unauthorized persons from carelessly, unwisely, or unknowingly exposing themselves or others to direct or secondary radiation.

  • Page 14: Monitoring Of Personnel

    ™ InnoVet Select HF APR Service Manual Those authorized to operate, test, participate in or supervise the operation of the equipment must be thoroughly familiar and comply completely with the currently established safe exposure factors and procedures described in publications such as Sub-Chapter J of Title 21 of the Code of Federal Regulations, "Diagnostic x-ray Systems and their Major Components,"...

  • Page 15: Electrical

    ™ InnoVet Select HF APR Service Manual 1.4.5 Electrical WARNING Failure to comply with the following may result in serious or potentially fatal bodily injuries to the operator or those in the area. Only properly trained and qualified personnel should be permitted access to any internal parts of the x-ray system.

  • Page 16: Compatibility

    ™ InnoVet Select HF APR Service Manual Compatibility Statement This x-ray system is compatible with the following equipment: X-RAY TUBES: Toshiba E7239 (1.0/2.0 mm focal spots), Toshiba E7242 (0.6/1.5 mm focal spots), Varian RAD 13 (1.0/2.0 mm focal spots), Varian RAD 14 (0.6/1.2 mm focal spots). Contact the factory for tube compatibility not listed.

  • Page 17: Maximum Outputs

    ™ InnoVet Select HF APR Service Manual Maximum Outputs The maximum rating for the output is listed in Table 1-1. The maximum line current is listed in Table 1-2. FACTOR MAX VALUE 125 kVp 300 mA Power 30 kW Table 1-1: Maximum Power Rating Maximum Momentary Line Current Complete power requirements are shown in Section 1.8 below.

  • Page 18: Power Line Requirements

    ™ InnoVet Select HF APR Service Manual 1.10 Power Line Requirements The line currents given in Table 1-2 (for the 208 to 240 volt line) are the momentary line currents during an exposure. This is not the recommended circuit breaker rating.

  • Page 19: Mechanical Assembly

    ™ InnoVet Select HF APR Service Manual 2.0 MECHANICAL ASSEMBLY Radiographic Table During shipment, the tabletop is banded to the table base. Cut loose the banding and set the table top aside for assembly later. Loosen the hold- down screws underneath the front rail of the table to release the grid cabinet. Remove packing material from rear of grid cabinet.

  • Page 20: Tubestand

    ™ InnoVet Select HF APR Service Manual Tubestand Installation The sequence of assembly is different between Fixed-Top and Float-Top tables. For Fixed-Top (standard) tables, proceed directly to section 2.3.1 below. For Float-Top (optional) tables the table, top frame must first be removed before the tubestand can be mounted.

  • Page 21: Mounting Tubestand To Lower Rail

    ™ InnoVet Select HF APR Service Manual Carefully tilt the tubestand away from the table until the elevated tubestand bearing can be pushed into the lower bearing rail. Now straighten the tubestand and push it completely into the upper and lower bearing rails. See figure 4.

  • Page 22: Float Top Table

    ™ InnoVet Select HF APR Service Manual 2.3.2 For Optional Float-Top Table (Refer to figures on preceding pages for reference.) " Mount the tubestand bearing carriage to the tubestand using the four (4) 1/4 x 3/8" hex head screws provided. The picture on page 19 shows a tubestand with a mounted bearing carriage.
  • Page 23 ™ InnoVet Select HF APR Service Manual Reassemble the table frame by repeating step 2 above in reverse. Replace the tubestand stop on the lower rail. If not done previously, remove the phenolic tabletop panel at this time via the nuts located at the underside corners of the tabletop frame.

  • Page 24: Tube Arm, Tube, Collimator Installation

    ™ InnoVet Select HF APR Service Manual Tube Arm, X-Ray Tube And Collimator Installation NOTE: The “Roll” potentiometer setting will be preset at the factory but will need to be verified before installation of the tube arm. The following procedure is not a “roll” potentiometer calibration, only a preset.
  • Page 25 ™ InnoVet Select HF APR Service Manual Install the high voltage cables. Cable drape brackets are included with the hardware accessories bag. The cable drape brackets are installed above and below the handle on the right side of the tubestand. Loosely drape the HV cables with the collimator and stator cables within the brackets until the vertical slide has been freed to move.

  • Page 26: Mounting Operators Console And Routing Communication Cables

    ™ InnoVet Select HF APR Service Manual Mounting Operators Console and Routing Communication Cables NOTE: The communication cables will be factory connected at the operator’s console. These are the outer DB9 connections as viewed from the back of the operator’s console. (See figure 7) Figure 7: Rear view of operator’s console DB9 TO ROLL POT ONLY...
  • Page 27 ™ InnoVet Select HF APR Service Manual Refer to Section 6 of this manual for information on generator connections and all other electrical issues related to this system. WARNING Any excess amount of communication cables should be bundled outside of the power module enclosure.
  • Page 28 ™ InnoVet Select HF APR Service Manual WARNING Particular care should be taken when servicing the inside of the tubestand. There is an extreme threat of mechanical pinching between the vertical slide and counterweight due to their close proximity and opposite directions of motion.

  • Page 29: Foot Treadle Installation

    ™ InnoVet Select HF APR Service Manual Foot Treadle Installation (skip if using standard foot switch) The latching prep foot treadle is installed with the table front cover removed. Put the treadle in position across the front of the table base. Thread the spring guide pins located at either end of the treadle up through the table base and lock each guide pin in place with the cotter pin provided.

  • Page 30: Final Mechanical Adjustment

    ™ InnoVet Select HF APR Service Manual 3.0 FINAL MECHANICAL ADJUSTMENTS Leveling The Tubearm An adjustment screw for leveling the tube arm is provided on the front of tubestand, just below the tube arm base. First remove the decorative hole cover to access the adjustment screw.

  • Page 31: X-Ray To Grid Cabinet

    ™ InnoVet Select HF APR Service Manual Verification Of X-Ray To Image Receptor Alignment Any left-to-right adjustment required for coincidence between the central ray and the center of the image receptor can be achieved by adjusting the grid cabinet-to-tubestand interlock bracket, located on the lower front surface of the tubestand.

  • Page 32: Options For Field Installation

    HF APR Service Manual Options For Field Installation Many options for the InnoVet Select HF APR will arrive at the jobsite pre-installed. However, all of the following features can be added after the installation is complete if the user so desires.

  • Page 33: Foot Treadle

    Service Manual FOOT TREADLE If the InnoVet Select HF APR has the latching prep Foot Treadle Option, the treadle must be installed prior to mounting the table front cover. If the Foot Treadle Option is being added to an existing system, the tabletop and the table front cover will need to be removed to install the treadle.

  • Page 34: Generator Pre-Installation

    ™ InnoVet Select HF APR Service Manual 5.0 GENERATOR PRE-INSTALLATION Introduction This section describes procedures necessary for the installation of the following units: • Table front cover • High Voltage Transformer • Power Module • Connections to ancillary devices common to an X-ray room This material is presented in sequence to facilitate an orderly and safe installation.

  • Page 35: Component Access

    ™ InnoVet Select HF APR Service Manual Component Access 5.3.1 Access to Operator’s Console PCBA Access to the Operator Console PCBA is achieved by removing the two 10-32 screws located on the top rear of the operators console as viewed from the front, and loosening the two bottom 10-32 screws which are slotted.

  • Page 36: Circuit Board Identification

    ™ InnoVet Select HF APR Service Manual Circuit Board Identification 5.4.1 Operators Console • L510 APR Console Board • 01360-000 Memory Card Interface Board • 01392-000 Extended Memory Card Board • 00417-000 Memory card 5.4.2 Power Module • 01003-000System Controller Board •...
  • Page 37 ™ InnoVet Select HF APR Service Manual Figures 9 and 10 - Power Module Interior...

  • Page 38: Generator Installation

    ™ InnoVet Select HF APR Service Manual 6.0 Generator Installation Procedure Line Voltage Measure and note the incoming line voltage. 240 VAC is required for full 30 kW output. If 30 kW output is desired and the line voltage is below 240 VAC, a line matching transformer kit (part number L246) will be required.

  • Page 39: System Interconnection

    ™ InnoVet Select HF APR Service Manual System Interconnection Inspect the power module for loose connections and potential electrical hazards. At this time, the Power Module can be connected to the operator’s console and the HV Transformer. The Communication Cable, for the operator’s console connects to the Power Module as described in Section 2.5.

  • Page 40: Field Installation Of Line Matching Transformer

    ™ InnoVet Select HF APR Service Manual Field Installation of a Line Matching Transformer Generally, if a line-matching transformer is required it is installed in the field. In the event that the supply voltage is below 230 VAC and a transformer is not installed, follow these instructions.
  • Page 41 ™ InnoVet Select HF APR Service Manual ITEM NO. QTY. PART NO. DESCRIPTION 01970 X-FMR, AUTO, 240V @ 200A 01970(REF) RUBBER GASKET HC31 WASHER, FLAT, 3/8 ID, 1-1/2 OD HB54 WASHER #5/16, SHAKEPROOF HC23 WASHER, #3/8 SHAKEPROOF HZ02 BOLT, 3/8-16 X 4-1/2”, HEX HD. HE81 SCREW, 5/16-18 X ½, HEX HD.
  • Page 42 ™ InnoVet Select HF APR Service Manual SEE NOTE 6 (256) (256) (240) (240) ALL LEADS LABELED 1 TO 6 ALL LEADS LABELED 1 TO 6 SEE NOTE 6 (220) ARE FROM LINE MATCH (220) ARE FROM LINE MATCH X-FMR. THE LEADS #'S X-FMR.

  • Page 43: High Voltage Cables

    ™ InnoVet Select HF APR Service Manual High Voltage Cables Connect the high voltage cables from the HV Transformer to the x-ray tube. With the vent to the front, the cathode (-) receptacle is on the left, near the red and black mAs meter jumpers.

  • Page 44: Stator Cable

    ™ InnoVet Select HF APR Service Manual Stator Cable Table 6-2: Tube Stator Cable Connections Origin (tube) Destination (Power Module) Function black 07 TB3-1 stator main red 08 TB3-2 stator phase white 09 TB3-3 stator common blue T5 TB3-4 thermal switch (N.C.) orange T6 TB3-8 thermal switch return...

  • Page 45: Table Interface Cable Connections At Tb - 5

    ™ InnoVet Select HF APR Service Manual 6.10 Table Interface Connections TB5 NOTE: The TB5 terminal strip located in the power module is used to interface the collimator, prep/exposure switch, air switches etc. to the generator via the table interface cable.

  • Page 46: Interlocks

    ™ InnoVet Select HF APR Service Manual Table 6-3: Table Interface Cable Connections at TB5 (continued) NOTE: The air switches are connected in parallel. The two wires (red) and (black) need to connect to the TB5 terminal strip. See below Origin Destination Function...

  • Page 47: Initial Power Up And Inspection

    ™ InnoVet Select HF APR Service Manual 7.0 INITIAL POWER UP AND INSPECTION General The 20 kHz HF APR system comes in a standard configuration with typical default calibration values stored in memory. If required, the factory defaults can be reloaded into memory.

  • Page 48: Dip1 Functions (System Controller Pcba)

    ™ InnoVet Select HF APR Service Manual Table 7-1: DIP1 Functions (System Controller PCBA) Dip Switch OPEN (OFF) CLOSED (ON) Normal Operation Simulator mode (demo) DIP1-1 DIP1-2 Normal Operation Disables capacitor bank charging. Exposure with mA and kVp is allowed to verify feedback system.

  • Page 49: Power-Up

    ™ InnoVet Select HF APR Service Manual Table 7-2: DIP2 Functions (APR Console PCBA) Dip Switch OPEN (OFF) CLOSED (ON) DIP2-1 Normal Operation Not used DIP2-2 Normal Operation PCMCIA card write protect DIP2-3 Normal Operation Simulator mode (demo) DIP2-4 Normal Operation Simulator mode (demo) DIP2-5 Normal Operation...

  • Page 50: Power Supply Test And Fuse Designation

    ™ InnoVet Select HF APR Service Manual 7.3.3 Power Supply Test and Fuse Designation Verify the following output voltages from the Power Supplies referenced to ground. Table 7-3: Fusing for DC Voltages 0.5 Amp, Fast Acting +5 VDC 0.5 Amp, Time Delay +12 VDC 0.5 Amp, Time Delay -12 VDC...

  • Page 51: System Configuration Using The Operator's Console

    ™ InnoVet Select HF APR Service Manual SYSTEM CONFIGURATION USING THE OPERATOR CONSOLE Note: Throughout this manual "CAPS" text is used to indicate the wording on the console or display. CAL BOOTUP screen. This screen is the entry point for all Operator Console based system configuration such as tube type and image receptor configuration.

  • Page 52: Tube Roll Cal Screen And Calibration

    ™ InnoVet Select HF APR Service Manual TUBE ROLL CAL Screen and Calibration This selection will allow the installer to calibrate the tube roll display. Ensure the “roll” potentiometer has been pre-set before the calibration procedure. (See section 2.4 for “roll” pot pre-set procedure) Once in the CAL BOOTUP screen, select TUBE ROLL CAL.

  • Page 53: Xray Cal Screen

    ™ InnoVet Select HF APR Service Manual NOTE: Use the BACK button just below the console display to return to the previous screen whenever necessary. From the CAL BOOTUP screen the EXIT TO RAD command returns the system to normal operation. 8.3 XRAY CAL Screen For all system configuration and generator calibration select XRAY CAL.

  • Page 54: Tube Setup Screen

    ™ InnoVet Select HF APR Service Manual 8.4 TUBE SETUP Screen TUBE: Press the arrow buttons beside the display to toggle through the compatible tubes. Select the tube type being used here. This selection allows the installer to choose between keeping the existing calibration data or loading the factory default calibrations for this tube type.

  • Page 55: Pwr Mod Cal, Fil# Tbl Screen

    ™ InnoVet Select HF APR Service Manual 8.6 PWR MOD CAL, FIL# TBL Screens These screens are branches of the XRAY CAL screen which relate specifically to calibration of kVp and mA. Their use will be described in Section 9 - Generator Calibration . 8.7 MORE Screen XRAY CAL + MISC.1...

  • Page 56: Generator Calibration Using The Operator's Console

    ™ InnoVet Select HF APR Service Manual GENERATOR CALIBRATION USING THE OPERATOR CONSOLE Calibrations will be done through software adjustments on the Operator Console. The XRAY CAL screen, which is password protected, allows access to the screens which control kVp, mA leading edge, and stabilized mA levels. NOTE: It is best to view both the kVp and the mA waveforms simultaneously when calibrating the system.

  • Page 57: Required Equipment For Calibration

    ™ InnoVet Select HF APR Service Manual 9.1.1 Using the Required Test Equipment The installer is responsible for achieving waveforms which are both of the proper amplitude and of the proper “square” waveshape, where the desired amplitude is achieved and maintained throughout the entire exposure. A Machlett Dynalyzer (or equivalent high voltage divider) and a storage oscilloscope are required for calibration.

  • Page 58: Overview Of Calibration

    ™ InnoVet Select HF APR Service Manual Overview of Calibration PLEASE READ THIS SECTION BEFORE CALIBRATION! A good overall understanding of the calibration procedure will save time and prevent problems. Please take a moment to read this section before starting calibration. Always press SAVE PAGE to activate the change of a calibration value.

  • Page 59: Step-By-Step Calibration

    ™ InnoVet Select HF APR Service Manual Step-by-Step Calibration Connect the test equipment. Connect test equipment per section 9.1.1 above. Enter Calibration Mode and turn off mA feedback. On the System Controller board set DIP1- 4 to OFF to disable mA feedback. Turn the Operator Console on while holding down the BACK button.
  • Page 60 ™ InnoVet Select HF APR Service Manual Make a master adjustment of mA leading edge for Small focal spot. Select 50 kVp, 50 milliseconds, and 100 mA on Small focal spot. Make an exposure. If adjustment is needed, press the MASTER mA button and increment or decrement the value for SM F.S.
  • Page 61 ™ InnoVet Select HF APR Service Manual Select 50 kVp, 200 milliseconds and 50 mA. Take exposures and adjust the mA OFFSET value as needed to achieve the proper stabilized mA and mAs. SAVE the change. POWER MOD kVp STEP:50 CALIBRATION FIL AMPS:4.09 mA OFFSET:+0...

  • Page 62: Typical Filament Values

    ™ InnoVet Select HF APR Service Manual IMPORTANT: Due to kW limits, exposures at 125 kVp/250 mA, 110 kVp/300 mA and 125 kVp/300 mA are not possible. Change the filament value numbers at these points as needed to reflect the pattern of values established at other points.
  • Page 63 ™ InnoVet Select HF APR Service Manual Note: As kVp is increased, the filament value number is decreased slightly due to the space charge effect. Note: We recommended recording the final calibrated FIL#TBL and MASTER mA/MASTER kV values from the XRAY CAL screen in the tables below for future reference.

  • Page 64: Troubleshooting

    ™ InnoVet Select HF APR Service Manual 10.0 TROUBLESHOOTING 10.1 Overview The 20 kHz HF APR generator has an extensive internal monitoring system. A number of error codes are displayed to alert the operator or service engineer to the status of the system.
  • Page 65 ™ InnoVet Select HF APR Service Manual Secondary How to clear the fault Error Code Likely cause actions INVALID Press another Release the Unit resets to BUTTON button to make button valid desired change. techniques INVALID User attempted to Release the Unit resets to mA LIMIT select <...

  • Page 66: Error Codes

    ™ InnoVet Select HF APR Service Manual Secondary How to clear the fault Error Code Likely cause actions ERROR Wait 10 times Press any button. Unit counts SYSTEM exposure length down until COOL DWN before next exp. exposure is allowed. INVALID Receptor Press RESET and...
  • Page 67 ™ InnoVet Select HF APR Service Manual Secondary How to clear the fault Error Code Likely cause actions ERROR Check 01003- Cycle power. Find mA PRESENT 000at H9 pins 5 defective RESTART and 6. components. SYSTEM. ERROR Check 01003- Cycle power. Find kV PRESENT 000at H9 pins 1 defective...
  • Page 68 ™ InnoVet Select HF APR Service Manual Secondary How to clear the fault Error Code Likely cause actions ERROR User error in Release button, cycle See Memory NO MEM CARD database transfer power and insert card card function operation. when power is OFF. section 11 INVALID Attempted data...

  • Page 69: Troubleshooting Guide

    ™ InnoVet Select HF APR Service Manual 10.2 Troubleshooting Guide EEPROM READ/WRITE ERROR If at any point during normal operation the calibration data stored within the Operator Console and within the Power Moudle are in disagreement this error code will display. Cycling power will usually clear the error. See section 11.0 below. EEPROM CHECK-SUM CORRUPT If during boot-up of the system the calibration data stored within the Operator Console and the Power Module are in disagreement this error code will display.
  • Page 70 ™ InnoVet Select HF APR Service Manual INVALID TUBE ANGLE Roll potentiometer is either disconnected or out of range. Chech all connections on the roll assembly located on the tubearm assembly. Follow the pot pre-set procedure and calibration procedure if necessary.

  • Page 71: Testing For High Voltage Breakdown

    ™ InnoVet Select HF APR Service Manual 10.3 Testing for High Voltage Breakdown The 20 kHz HF APR generator filament current feedback can be bypassed to allow for shooting the system with an open secondary (no tube or HV cables) to investigate the source of secondary arcing.

  • Page 72: Memory Functions

    ™ InnoVet Select HF APR Service Manual 11.0 MEMORY FUNCTIONS The APR generator has a feature which allows saving the modified anatomical techniques to a remote Memory Card. It is also possible to transfer this information from one generator to another. A memory card will be included with every unit. 11.1 The MEMORY FUNCTION screen.

  • Page 73: Inserting The Memory Card

    ™ InnoVet Select HF APR Service Manual 11.2 Inserting The Memory Card The memory card insertion slot is located at the bottom of the operator’s control near the center. Before selecting any memory card functon, insert the card into the slot. Memory card orientation is important, ensure the THIS SIDE UP label is towards you when inserting.

  • Page 74: The Default Vet Screen

    ™ InnoVet Select HF APR Service Manual 11.3 The DEFAULT VET screen (Memory card not required) The DEFAULT VET screen will display as shown below. LOAD DEFAULT DFLT APR&CAL VET TECH DFLT ALL APR DFLT APR REG DFLT CAL DAT DFLT APR&CAL allows reloading the factory defaults for both calibration and APR data into the Power Module and Operator Console.

  • Page 75: The Card To Cons Screen

    ™ InnoVet Select HF APR Service Manual 11.5 The CARD TO CONS screen The CARD TO CONSOLE screen allows APR data from the Memory Card to be downloaded into the Operator Console. This can be useful if this site is using the same film/screen combination as a previous installation which has modified APR techniques, or if the x-ray service company has an established technique database they like to offer.

  • Page 76: Accuracy Testing

    ™ InnoVet Select HF APR Service Manual 12.0 ACCURACY TESTING 12.1 Overview Once the 20 kHz APR generator has been installed and calibrated, the outputs must be verified. Record the kVp and mAs values, ensuring that they are compliant with the accuracies stated in this manual, as well as federal and local guidelines.

  • Page 77: Accuracy Of Kvp And Mas Outputs

    ™ InnoVet Select HF APR Service Manual 12.2 Accuracy of kVp and mAs Outputs The published specifications for this generator are ±(5%+1) kVp, and ±(10%+1) mAs. Local regulations may be more or less stringent. Make exposures, recording the selected kVp and mAs below. Calculate the required system accuracy by subtracting test equipment error using the methods described above and record the error percentage.

  • Page 78: Required Maintenance

    ™ InnoVet Select HF APR Service Manual 13.0 REQUIRED MAINTENANCE 13.1 Overview Routine maintenance is to be performed 30 to 60 days after the initial installation and every six months thereafter. It is the responsibility of the equipment owner to see that this maintenance is performed as scheduled to meet warranty obligations.

  • Page 79: Required Maintenance Log

    ™ InnoVet Select HF APR Service Manual Table 13-1: Required Maintenance Log Date of Performed by Notes and results maintenance...

  • Page 80: Theory Of Operation

    ™ InnoVet Select HF APR Service Manual 14.0 THEORY OF OPERATION 14.1 Power Module The Power Module contains microprocessor-driven control circuitry to spin the anode of the x-ray tube, generate filament supply voltages, supply power for locks and collimation, maintain monitoring of system status, and retain calibration information. Primary voltage for the high voltage transformer is supplied by IPMs operating in a pulse width modulated resonant circuit.

  • Page 81: Schematics

    ™ InnoVet Select HF APR Service Manual 15.0 SCHEMATICS The following prints are included in the schematic package. 01712-000 schematic, power on/off pcb 01710-000 K439 schematic, high voltage transformer K505 schematic, HV transformer feedback pcb K591 schematic, Charge Monitor pcb K445 01782-000 schematic, IPM Driver pcb 01780-000 K594 schematic, Rotor Sensor pcb K444 K653 schematic, Power Supply pcb K650...

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