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Norland 388S631 Repair Procedure

Central bone densitometers
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REPAIR PROCEDURE
CENTRAL BONE DENSITOMETERS
NORLAND
REPAIR PROCEDURE FOR
388S631
388S631 REV Q
Norland Medical Systems
W6340 Hackbarth Road
Fort Atkinson, WI USA
53538-8999
Main Phone Line:
1-800-333-8456
1-920-563-8456
FAX 1-920-563-8626
Customer Service:
1-800-444-8456
1-920-568-4206
FAX 1-920-568-4216
E-Mail:
service@norland.com
PAGE 1

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  • Page 1 REPAIR PROCEDURE 388S631 REV Q REPAIR PROCEDURE FOR CENTRAL BONE DENSITOMETERS 388S631 Norland Medical Systems W6340 Hackbarth Road Fort Atkinson, WI USA 53538-8999 Main Phone Line: 1-800-333-8456 1-920-563-8456 FAX 1-920-563-8626 Customer Service: 1-800-444-8456 1-920-568-4206 FAX 1-920-568-4216 E-Mail: service@norland.com NORLAND PAGE 1...

  • Page 2: Table Of Contents

    REPAIR PROCEDURE 388S631 REV Q SCOPE..................................3 APPLICABLE DOCUMENTS ..........................3 DEFINITIONS ................................3 RESPONSIBILITIES ..............................4 PROCEDURE................................4 SERVICE SOFTWARE ............................. 5 TESTING REQUIREMENTS............................ 7 TEST PROCEDURE QUICK REFERENCE GUIDE ..................... 10 REPLACING THE SOURCE CONTROL BOARD....................14 10 SOURCE REPLACEMENT PROCEDURE ......................14 11 FILTER ASSEMBLY REPLACEMENT.........................

  • Page 3: Scope

    REPAIR PROCEDURE 388S631 REV Q SCOPE 1.1 To establish a uniform procedure for testing/repairing a X-Ray Bone Densitometer to ensure a properly operating instrument, a satisfied customer, and compliance with regulatory requirements. APPLICABLE DOCUMENTS 2.1 Control of Static Sensitive Material, SOP-G004 2.2 Form 2579 Procedure...

  • Page 4: Responsibilities

    4.1.3 Completing the paperwork. 4.1.4 (USA only) Delivering the completed Form 2579 to Norland within one week of the activity if a certified component has been replaced or a stationary scanner is moved to a different location. A replica of this form is included in this document.

  • Page 5: Service Software

    REPAIR PROCEDURE 388S631 REV Q 5.13 Identify all unused or defective devices returning to Norland with a Return Authorization tag. Refer to the RA Tag Procedure, 900S023 to complete the RA tag information. 5.14 The Service Agent notifies Norland customer service that the repair is complete before leaving the customer site.
  • Page 6 REPAIR PROCEDURE 388S631 REV Q Insert disk 2 when prompted. After the installation has finished, press any key to exit. The software will check your computer configuration for the proper settings. Press ENTER to confirm and ENTER to return to the DOS prompt.

  • Page 7: Testing Requirements

    To create this disk, at the C:\ prompt type XMAKEPRD. This disk should then be labeled with the facility name, scanner serial number, date and reason for the repair. This disk should be included with all the paperwork and sent back to Norland Customer Service. (The test specifications are in parenthesis.)
  • Page 8 REPAIR PROCEDURE 388S631 REV Q Charge Amplifier Board Upper Cable 1. Source/Detector Alignment Procedure 1. Function Tests 2. Set PMT Gain 2. Daily Calibration (precision and accuracy ‘OK’) 3. Laser Alignment 3. XMAKEPRD 4. Source Count Rate Check (Low energy 550k to 750k) 4.
  • Page 9 REPAIR PROCEDURE 388S631 REV Q 2.2. Verify proper oil pump operation [Lorad source only] 2.3. Check fan operation. 2.3. Function Test - Radiation leakage check (< 15 mR) 2.4. Perform Beam Stability Test (Voltage ≤ .1, Current ≤ 1.5 for 2-channel) (V≤.25 and I ≤ 3.0 for...

  • Page 10: Test Procedure Quick Reference Guide

    REPAIR PROCEDURE 388S631 REV Q TEST PROCEDURE QUICK REFERENCE GUIDE This is a quick reference guide for performing the tests. Refer to the appropriate sections for specific details. SOURCE/ DETECTOR ALIGNMENT CAUTION: EXERCISE CARE WHENEVER WORKING AROUND X-RAY SOURCES. IT IS RECOMMENDED THAT YOU WEAR A RADIATION DOSE BADGE TO MONITOR ANY RADIATION EXPOSURE.
  • Page 11 REPAIR PROCEDURE 388S631 REV Q Scanners with S/N 3600-5000 and 6600-8000: Select GainPeak from the SST menu. Adjust R23 on the Bias Board until the difference between the peaks is approximately 1100. Adjust R1 on the High Voltage Board until 1/FH peak is 2250 ± 50 and the 1/IH peak is 1150 ± 50.
  • Page 12 REPAIR PROCEDURE 388S631 REV Q STABILITY TEST CAUTION: CARE MUST BE EXERCISED WHILE PERFORMING THIS PROCEDURE TO AVOID UNNECESSARY X-RAY EXPOSURE. STAY CLEAR OF THE BEAM PATH. ! 2-Channel Scanners: Enter SERVICE, and then FULL to bring the source to full power.
  • Page 13 REPAIR PROCEDURE 388S631 REV Q SKIP TEST CAUTION: EXERCISE CAUTION WHILE TESTING THE MECHANICAL MOVEMENT. KEEP HANDS AND ALL OBJECTS CLEAR OF THE ARM ASSEMBLY WHILE IN MOTION TO AVOID PINCH POINTS. ! 2-CHANNEL: Enter SERVICE, and then SKIPTEST to begin the program Follow the on-screen prompts, answer Y if it is a full-length table (XR36 or XR26) and N if it is a not a full- length scanner (Eclipse).

  • Page 14: Replacing The Source Control Board

    Do not permit the beam to impinge on any part of your body at any time, especially your hands, arms and head. IDENTIFICATION: Lorad X-ray Source = Model number TXR26 Norland X-ray Source = Model numbers 391A051, 391A051J, or 391A168 NORLAND PAGE 14...
  • Page 15 • Push the roll pin flush to the bottom surface of the filter casting assembly. 10.8 If installing a Norland source into a scanner with S/N lower than 600 (Low Intensity) and that has not been upgraded to High Intensity or High Speed, configure the attenuator plugs accordingly (refer to chart). Remove the snap ring in the well of the source, and remove the samarium canister.
  • Page 16 REPAIR PROCEDURE 388S631 REV Q 10.13 Attach the red/black and green/white wires. 10.13.1 For sources with the terminal block on the back cover: Loosen the source back cover enough to attach the red/black and green/white wires to the terminal block on the source back cover. The red/black should be on the left side when standing in front of the scanner (same side as the red wire on the terminal below).

  • Page 17: Filter Assembly Replacement

    REPAIR PROCEDURE 388S631 REV Q 10.17 Perform the recommended tests as outlined in the “Testing Requirements” section. 10.18 For USA, complete a FDA 2579 form. Send the 2579, printouts, XMAKEPRD, and the Service Report to Norland within 7 days. FILTER ASSEMBLY REPLACEMENT...

  • Page 18: Laser Diode Replacement

    REPAIR PROCEDURE 388S631 REV Q REPLACEMENT PROCEDURE: 12.1 To make sure the new PMTs are reseated completely, mark the placement of the tube that is not being replaced. 12.2 Remove the hardware that secure the boards to the PMT holder.

  • Page 19: Motor Driver Board Configuration

    REPAIR PROCEDURE 388S631 REV Q MOTOR DRIVER BOARD CONFIGURATION CAUTION: Exercise caution while testing the mechanical movement. Keep hands and all objects clear of the arm assembly while in motion to avoid pinch points. The 387A017 motor driver board is backward compatible with all scanners.

  • Page 20: Level Scanner

    REPAIR PROCEDURE 388S631 REV Q LEVEL SCANNER 16.1 MODEL XR26: 16.1.1 Level the scanner by placing a bubble level on the source plate, and moving the arm source plate to the center of the scanner. Adjust all four corner levelers until the rollers are off the floor or the frame is 2"...

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