Berthold LB 8901 Operating Manual
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Berthold LB 8901 Operating Manual

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Shield
LB 8901
Operating Manual
64449BA2
Rev. No.: 01, 10/2018

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Summary of Contents for Berthold LB 8901

  • Page 1 Shield LB 8901 Operating Manual 64449BA2 Rev. No.: 01, 10/2018...
  • Page 3 BERTHOLD TECHNOLOGIES GmbH & Co. KG Calmbacher Str. 22 75323 Bad Wildbad, Germany www.Berthold.com Telephone +49 7081 177-0 Fax +49 7081 177-100 industry@berthold.com...

  • Page 5: Table Of Contents

    LB 8901 Shield Table of contents Table of Contents About this operating manual ................2 Some prior remarks ...................... 2 Storage .......................... 2 Target Group ........................ 2 Validity of the Manual ....................3 Structure of the Manual....................3 Copyrights ........................3 Representation ......................

  • Page 6: About This Operating Manual

    Some prior remarks product handed over manufacturer BERTHOLD TECHNOLOGIES GmbH & Co. KG in a complete and functionally reliable condition. This operating manual illustrates how to: • set up/install the product • carry out maintenance on the product • disassemble the product •...

  • Page 7: Validity Of The Manual

    1 About this operating manual Validity of the Manual The manual is valid from the delivery of the Berthold product to the user until its disposal. Version and release date of this operating manual can be found in the bottom of each page. An alteration service is not provided by the manufacturer BERTHOLD TECHNOLOGIES GmbH &...

  • Page 8: Symbols Used

    1 About this operating manual LB 8901 Shield Symbols Used 1.8.1 Structure of Warnings j Signal word Source and consequence Explanation, if required Measure  In case of emergency • Warning symbols: (warning triangle) draws attention to the hazard • Signal word: states the severity of the hazard •...

  • Page 9: Symbols Used On The Device

    LB 8901 Shield 1 About this operating manual 1.8.2 Symbols used on the device Ionising radiation The shield is equipped with a radioactive source. Please note the handling instructions. Please observe the transport instructions in this operating manual. 64449BA2 Rev. 01, 10/2018...

  • Page 10: Safety Manual

    • Restructuring or changing the system components. • Manipulation or avoidance of existing safety equipment. BERTHOLD TECHNOLOGIES GmbH & Co. KG shall only accept liability for / guarantee the correspondence of the product to its publicised specifications. If the product is used in a way which is not described in this manual, the product's protection is compromised and the warranty becomes void.

  • Page 11: Ambient Conditions During Operation And Storage

    LB 8901 Shield 2 Safety manual Ambient conditions during operation and storage The shield was specifically designed for use in rough ambient conditions. The compliance with the operating conditions specified below contributes to guaranteeing the permanent functionality of the shield and the prevention of damage.
  • Page 12 Authorised persons are those who are either designated for the corresponding task due to legal regulations or those who have been authorised by BERTHOLD TECHNOLOGIES for particular tasks. When dealing with radioactive materials, a radiation safety officer must also be consulted.

  • Page 13: Radiation Protection

    LB 8901 Shield 2 Safety manual Radiation Protection 2.4.1 Basic principles and regulations The amount of radiation absorbed by the body (exposure to radiation) is determined by three parameters from which the basic radiation protection regulations can be derived: Distance...

  • Page 14: Exposure Of Employees To Radiation

    In the case of fire, these measures limit the access to this area.  Avoid the incorporation by keeping sufficient distance.  Notify BERTHOLD TECHNOLOGIES of the situation; you will promptly  receive information on immediate measures. 64449BA2 Rev. 01, 10/2018...

  • Page 15: Type Plate Of The Source

    LB 8901 Shield 2 Safety manual Operator's obligations The operator of the product must regularly train his personnel in the following topics: • Observation and use of the operating manual and the legal provisions. • Proper use of the product.
  • Page 16 2 Safety manual LB 8901 Shield 64449BA2 Rev. 01, 10/2018...

  • Page 17: System Description

    The LB 8901 shield is intended as shield/protective container for radioactive point sources and may only be used for this purpose. The radioactive substance is contained in a leak-proof welded source capsule and installed in the LB 8901 Shield. Apart from source and shield, additional system components such as detectors and evaluation units are required for a complete measuring system.

  • Page 18: View

    3 System Description LB 8901 Shield View Transport cap Padlock for transport cap Cover plate Seal wire Padlock for cover plate Fig. 2 Design Lead Tungsten Stainless steel Source capsule Source holder Fig. 3 Sectional representation 64449BA2 Rev. 01, 10/2018...

  • Page 19: Installation

    LB 8901 Shield 4 Installation Installation Safety Instructions j WARNING Danger of injury by falling loads Never stand underneath a lifted or suspended load, keep at a safe  distance. Only use tested sling gear components appropriate for the transport ...

  • Page 20: Packaging

    4 Installation LB 8901 Shield Packaging The shield with radioactive source fulfils the regulations for the transport of radioactive substances (type A packaging). Intermediate storage of the source If the source must be intermediately stored at the site of use between delivery and installation, please observe the following notes: Store the source exclusively inside a closed and secured shield.

  • Page 21: Checking The Delivery

    LB 8901 Shield 4 Installation Checking the delivery Padlock for transport cap Padlock for cover plate Lead seal Seal wire Fig. 4 Checking the delivery Check the delivery for completeness using the packing list. Check both padlocks (Fig. 4, item 1, item 2) are installed, closed and undamaged.

  • Page 22: Installation Of The Shield

    4 Installation LB 8901 Shield Installation of the shield To avoid unnecessary exposure to radiation, install the shield as final system component. If the shield contains a radioactive source, the measurement of the background count rate of the detector should take place before the shield is installed.
  • Page 23 LB 8901 Shield 4 Installation Remove the padlock (Fig. 5, item 1) at the transport cap. Remove the hex socket screws and lock washers (Fig. 5, item 2). Remove transport cap (Fig. 5, item 3). Attach the shield immediately to the mounting flange and tighten.
  • Page 24 4 Installation LB 8901 Shield 64449BA2 Rev. 01, 10/2018...

  • Page 25: Maintenance And Repair

    BERTHOLD TECHNOLOGIES GmbH & Co KG before the system is used again. Only spare parts specified by BERTHOLD TECHNOLOGIES GmbH & Co. KG may be used and required repair work may be carried out exclusively by authorized persons.

  • Page 26: Visual Inspection

    5 Maintenance and Repair LB 8901 Shield Visual inspection The visual inspection must be carried out by persons who are at least employees with general knowledge at the following intervals: • before initial commissioning • with every repair that may be required •...

  • Page 27: Removing And Installing The Source

    LB 8901 Shield 5 Maintenance and Repair Alternative test areas: Alternative test areas are areas (Gray marked area in Fig. 6) of a shield which will most likely be contaminated if a source is leaking. Fig. 6 Alternative test area...

  • Page 28: Removing The Source

    5 Maintenance and Repair LB 8901 Shield 5.4.1 Removing the source To remove the source, the following tools are required: • pliers to securely grip the source holder • hex socket wrench size 3 to remove the cover plate • hexagon wrench size 12 to unscrew the source holder...
  • Page 29 LB 8901 Shield 5 Maintenance and Repair Transport Shield Source holder with source capsule Plugs Protective cover Fig. 8 Inserting the source into the transport shield Insert the source into the prepared transport shield as quickly as possible and close the transport shield.

  • Page 30: Installing The Source

    5 Maintenance and Repair LB 8901 Shield 5.4.2 Installing the source To install the source, the following tools are required: • pliers to securely grip the source • hex socket wrench size 3 to remove the cover plate • hexagon wrench size 12 to unscrew the source holder...
  • Page 31 LB 8901 Shield 5 Maintenance and Repair Source holder with source capsule O-Ring Cover plate Hex socket screw (M4x12) Padlock Fig. 10 Installing the source Insert the source (Fig. 10, item 1) into the shield as quickly as possible. Screw the source holder with source capsule in the shield (torque: 44 Nm).

  • Page 32: Source Replacement

    5 Maintenance and Repair LB 8901 Shield Source replacement When to replace the source Generally, the radioactive source used enables a service life between 5 and 15 years. A replacement of the source is only required if the statistical fluctuations of the output signal are inadmissibly large and compensation by increasing the time constant is no longer possible, e.g.
  • Page 33 LB 8901 Shield 5 Maintenance and Repair To replace the source, proceed as follows: Prepare the transport shield and open it. Remove the old source from the shield and insert the old source in the transport shield (see chapter 5.4.1) or replace the source capsule, see next section.
  • Page 34 5 Maintenance and Repair LB 8901 Shield 64449BA2 Rev. 01, 10/2018...

  • Page 35: Decommissioning

    LB 8901 Shield 6 Decommissioning Decommissioning Safety instructions j WARNING Danger of injury by falling loads Never stand underneath a lifted or suspended load, keep at a safe  distance. Only use tested sling gear components appropriate for the transport ...

  • Page 36: Disassemble The Shield

    6 Decommissioning LB 8901 Shield Disassemble the shield j CAUTION Danger caused by ionising radiation After removal of the transport cap, the beam path is free and ionizing radiation occurs. Consult the radiation safety officer responsible for your company. ...

  • Page 37: Disposal Of Radioactive Substances

    LB 8901 Shield 6 Decommissioning Disposal of radioactive substances NOTICE Should you have any questions regarding the transportation or disposal of radioactive substances, please contact the manufacturer. Generally, each country has a depot where radioactive material is accepted and can be disposed of.
  • Page 38 BERTHOLD TECHNOLOGIES GmbH & Co. KG will not assume any costs for customs clearance or transportation. • BERTHOLD TECHNOLOGIES GmbH & Co. KG is to be informed in advance about any return transport. BERTHOLD TECHNOLOGIES GmbH & Co. KG reserves the right to reject any radioactive substances sent to Berthold without prior notice.

  • Page 39: Appendices

    LB 8901 Shield 7 Appendices Appendices Check lists for tests Visual inspection Requirement not met The shield must be free from damage. The type plates must be legible. If there is corrosion, it must not affect the function and stability of the shield.
  • Page 40 Modifications due to technical advancement reserved. © BERTHOLD TECHNOLOGIES GmbH & Co. KG Language: English Printed in Germany 10/2018 Rev. no.: 01 BERTHOLD TECHNOLOGIES GmbH & Co. KG Calmbacher Str. 22 D-75323 Bad Wildbad Germany www.berthold.com ID no. 64449BA2...
  • Page 41 Shield LB 8901 Technical Information 64449TI Rev. No.: 00, 10/2017...
  • Page 42 Technical Information - Shield LB 8901 Technical Data Material housing 316 L Material shield Tungsten Weight with transport cap approx. 8,0 kg Weight without transport cap approx. 6,0 kg Radiation beam outlet approx. 11° Attenuation factor approx. 170 (Cs-137) Operating temperature -40°…...
  • Page 43 Technical Information - Shield LB 8901 Drawings Drawing general view LB 8901 with transport cap 64449TI Rev.00, 10/2017...
  • Page 44 Technical Information - Shield LB 8901 Drawing general view LB 8901 without transport cap 64449TI Rev.00, 10/2017...
  • Page 45 Technical Information - Shield LB 8901 Drawing transport cap Drawing flange 64449TI Rev.00, 10/2017...
  • Page 46 Technical Information - Shield LB 8901 Drawing source holder (ID: 50599) NOTICE Tight the source holder into the shield with a torque of 44 Nm. 64449TI Rev.00, 10/2017...
  • Page 47 Technical Information - Shield LB 8901 Signs 64449TI Rev.00, 10/2017...

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