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6 Maintenance and Repair

Rod source shields LB 8300

30

64217BA2 Rev. 00, 10/2017

6

Maintenance and Repair

6.1

Safety instructions

j

CAUTION

Danger caused by nuclear radiation
Shields usually contain radioactive sources. An increased exposure to radiation

may lead to damage to health.



Consult the radiation safety officer responsible for your company.



Ensure that no one is in the radiation beam during operation.



Longer repair and maintenance work on shields must not be carried out
with the source installed. If a removal of the source is not possible, please
contact the manufacturer.

IMPORTANT

The applicable national regulations of the country of use have to be observed.

IMPORTANT

Document the results of the tests you conducted using the check list in the

appendix. This documentation as well as the seal test certificates must be kept
during the entire life cycle of the shield.

NOTICE

Adjust the intervals of the visual inspection and the functional check to the
ambient conditions. If the ambient conditions are especially rough, the
atmosphere is corrosive and / or there is a serious threat of contamination, the

intervals should be shortened accordingly.

NOTICE

If damage affecting the secure function of the shield is detected during

handling, maintenance or regular checks, the damage must be repaired after
consultation with 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.

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Содержание LB 8300

Страница 1: ...Rod source shields LB 8300 Operating manual 64217BA2 Rev No 00 10 2017 ...

Страница 2: ...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 ...

Страница 3: ......

Страница 4: ...tion 14 2 4 4 In the case of fire 14 2 6 Type plate of the source 15 3 System Description 16 3 1 View 17 4 Installation 19 4 1 Safety Instructions 19 4 2 Ambient conditions during assembly 20 4 3 Intermediate storage of the source 20 4 4 Preparing the Installation 20 4 5 Checking the delivery 20 4 6 Installation of the shield 21 4 7 Marking 26 5 Usage 27 5 1 Safety instructions 27 5 2 Opening and ...

Страница 5: ...Rod source shields LB 8300 Table of contents 7 64217BA2 Rev 00 10 2017 5 7 3 Disposal of radioactive substances 43 7 4 Shipment of radioactive substances 43 8 Appendices 45 8 1 Check lists for tests 45 ...

Страница 6: ... questions arise which are not answered in this manual please contact BERTHOLD TECHNOLOGIES GmbH Co KG Store the instructions where they are accessible for all users at all times 1 2 Storage This operating manual as well as all product related documentation relevant to the respective application must be accessible at all times during the life cycle near the device 1 3 Target Group The product may ...

Страница 7: ...ake changes to this operating manual at any time without stating reasons NOTICE The current revision of this operating manual replaces all previous versions 1 5 Structure of the Manual This manual has been divided into chapters The order of the chapters should help you to familiarise yourself quickly and properly with the operation 1 6 Copyrights This manual contains copyright protected informatio...

Страница 8: ...e of direct danger Warning levels used In this manual warning instructions in front of instructions for action refer to risks of injury or damage to property The hazard prevention measures described must be observed j DANGER Indicates an imminent major hazard which will certainly result in serious injuries or even death if the hazard is not avoided j WARNING Indicates a potential hazard which can ...

Страница 9: ...ut important information on the product or on handling the product Tip Provides tips on application and other useful information 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 ...

Страница 10: ...oper use and is to be avoided Any non compliance with the present operating manual for the supplied products Applying conditions and requirements which do not conform to those stated in the technical documents data sheets operation and assembly instructions and other specific guidelines of the manufacturer Using the product after any repair carried out by employees who have not been authorized by ...

Страница 11: ...orage temperature is 100 C Above this temperature the sealing rings of the shield may be destroyed In such case the leakproofness of the shield can no longer be guaranteed The higher the dust and dirt content of the environment the more likely stiffness or an entire blockage of the locking mechanism is For this reason the functional test intervals see chapter 6 should be adjusted to the ambient co...

Страница 12: ...afely assessing the results of their work and they must be familiar with the content of this manual Authorised Persons 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 Radi...

Страница 13: ...ning radioactive substances is required the largest distance possible is to be kept In particular this shall apply for employees which do not immediately participate in such work Time Any work required in the vicinity of radiometric measuring systems is to be prepared carefully and to be organised in a way that the work can be executed as quickly as possible Here providing the correct tools and ai...

Страница 14: ...y are protected against access by unauthorized persons In the case of firmly installed equipment containing radioactive substances the protection against unauthorized access is generally provided by the firmly attached installation Shields with radioactive sources which are decommissioned for a certain period of time must be dismounted and securely stored in a storage room complying with the natio...

Страница 15: ...perating manual and the legal provisions Proper use of the product Observation of the plant security instructions and the operating instructions of the operator 2 6 Type plate of the source 1 2 3 4 5 6 7 8 Date of manufacture of the source Isotope Activity MBq Dose rate within 1 m distance µSv h Supplier of the source Dose rate within 1 m distance mrem h Activity mCi Source number Fig 1 Type plate...

Страница 16: ... positions The radiation beam outlet is thereby opened and closed The locking plate on the upper side of the shield ensures that the source cannot be removed by unauthorized persons Operators can secure the locking plate by installing a padlock at the right hand and the left hand side The locking cylinder can be locked in both rotational positions radiation beam outlet open radiation beam outlet c...

Страница 17: ...2017 17 3 1 View 1 2 3 4 5 6 7 8 Ring nuts Fastening bolts with padlock Locking plate Transport lock Locking cylinder Lever rod auxiliary equipment used for turning the locking cylinder Padlock secures the closed shield against rotation Mounting base Fig 2 Basic layout ...

Страница 18: ...ystem Description Rod source shields LB 8300 18 64217BA2 Rev 00 10 2017 1 2 3 4 Source holder Source Radiation beam outlet channel Locking cylinder with shield material Fig 3 Sectional view position CLOSE ...

Страница 19: ...on the outer packaging if applicable Wear head protection and safety shoes j WARNING Danger of injury caused by heavy and bulky system components Heavy and bulky system components should only be handled using aids and by a at least 2 persons Observe the guidelines for safe handling of heavy loads Ensure stability and use the provided fixing possibilities j CAUTION Danger caused by ionising radiati...

Страница 20: ...icable measuring range are specified in the project planning phase and determined by means of drawings sketches or written notes During installation these specifications must be strictly observed since deviations may lead to malfunction of the measuring system To avoid an unnecessary exposure to radiation the handling period of the source even if it is shielded must be kept as short as possible du...

Страница 21: ... due to tilting shield There is a risk of injury to persons when working on non fixed shields Always secure upright shields against falling by fasten lifting means at the ring nuts IMPORTANT The specification of the mounting base and the tilt safety device are determined during the project planning and defined by drawings sketches or written instructions These instructions must be observed strictl...

Страница 22: ...licable the padlock are installed j WARNING Danger of injury by falling loads Falling loads can endanger people Never stand underneath a lifted or suspended load keep at a safe distance Cordon off the danger zone with barrier tape j WARNING Danger of crushing by moving the shields Due to the high weight of the shield there is a risk of injury Heavy and bulky system components should only be handle...

Страница 23: ...s Container Mounting base Fig 5 lift and lower the shield 2 Fasten the shield with sufficiently dimensioned lifting straps at the ring bolts Fig 5 item 1 3 Raise the shield and place it vertically in the mounting position 4 Carefully place the shield on the mounting base Fig 5 item 3 ...

Страница 24: ...ounting base anti tilt screw connections screw locks 5 Screw the shield Fig 6 item 1 to the mounting base Fig 6 item 2 The plant operator is responsible for selecting the connection elements Fig 6 item 3 the screw locking and the tightening torque 6 Secure the shield to the container wall with the anti tilt device on both sides Fig 6 Pos 4 The plant operator is responsible for selecting the connec...

Страница 25: ...Rod source shields LB 8300 4 Installation 64217BA2 Rev 00 10 2017 25 NOTICE Shields can be stacked or offset Please refer to the Mounting variants in appendix technical information ...

Страница 26: ...is outside the shield If the control area is within the shield then the radiation warning sign Fig 7 item 2 already applied to the shield is sufficient Fig 7 shows an exemplary identification of the control area according to German law Please observe the local legislation of the country of employment 1 2 Warning sign control area Warning sign rod source shield Fig 7 Example marking ...

Страница 27: ...ism is used for opening and closing the beam path IMPORTANT During transport and installation of the shield the locking cylinder must be set to CLOSED and be secured IMPORTANT The locking mechanism may only be operated by persons who are at least employees with general knowledge and were instructed by an expert or authorized person If the shield includes a radioactive source the responsible radiat...

Страница 28: ...Closing the locking mechanism 1 Remove the fixing screws 2 Turn the locking cylinder to the CLOSED position using the lever rod 3 Retain the locking cylinder in the new position using fixing screws and or a padlock The radiation beam outlet channel is now closed 1 2 3 CLOSED position Padlock Transport lock Fig 9 Shield closed CLOSED position ...

Страница 29: ... follows 1 Remove the transport lock 2 If applicable remove the padlock 1 2 3 Padlock OPEN position Fixing screws Fig 10 Shield open OPEN position 3 To open the shield directly before commissioning the measuring system Turn the locking cylinder to the OPEN position 4 Retain the locking cylinder in the new position using fixing screws ...

Страница 30: ...MPORTANT Document the results of the tests you conducted using the check list in the appendix This documentation as well as the seal test certificates must be kept during the entire life cycle of the shield NOTICE Adjust the intervals of the visual inspection and the functional check to the ambient conditions If the ambient conditions are especially rough the atmosphere is corrosive and or there i...

Страница 31: ...n and if the padlock as well as the transport securing device are installed Tip If there is any doubt regarding the actual position of the locking mechanism Check the dose rate at the shield using a dose rate measuring device If the shield is closed the dose rate in the direction of the beam may not be significantly higher than at other parts of the shield 3 If any defects are identified during vi...

Страница 32: ...rovided In the drawing the position of the source and of all parts intended to protect the source against external influences must be clearly indicated Recommendations regarding the most appropriate test method should be given e g by indicating alternative test areas If required recommendations should be given on how the necessary test can be conducted without affecting the functionality of the sy...

Страница 33: ...ms several times see chapter 5 while observing the measuring signal of the corresponding measurement system The locking mechanism works properly if the measured value approximately corresponds to the maximum value when the locking mechanism is closed CLOSED position Tip Alternatively you can measure the dose rate in the beam path In this case the dose rate in the CLOSED position must be clearly lo...

Страница 34: ...stalled removed by authorised persons The competent radiation safety officer is responsible for planning and monitoring the work NOTICE In order to keep the exposure to radiation during the removal installation of the source as low as possible all persons involved should familiarise themselves with the exact procedure in advance NOTICE Only remove install the source in areas with closed floors Any...

Страница 35: ... locking plug Fig 13 item 5 1 2 3 4 5 6 7 8 Screwed sealing plug O ring Padlock Fastening bolts Locking plate Threaded rod Holder extension Source Fig 12 Removing the source from the shield 2 Open the padlocks Fig 12 item 3 and remove the fastening bolts Fig 12 item 4 3 Remove the locking plate Fig 12 item 5 You can now see the screwed sealing plug of the source holder 4 Loosen the screwed sealing...

Страница 36: ...re that no persons are in the field of radiation during the work 1 2 3 4 5 6 Threaded rod Source holder Source Protective cover Locking plug transport shield Cover transport shield Fig 13 Remove source out of shield 6 Screw the threaded rod Fig 13 item 1 into the thread of the source holder Fig 13 item 2 7 Pull the source out of the shield at the threaded rod Hold the source Fig 13 item 3 with pli...

Страница 37: ...sary remove the padlocks Fig 14 Pos 3 the fastening bolts Fig 14 Pos 4 and remove the locking plate Fig 14 Pos 5 2 Loosen the screwed sealing plug Fig 14 item 1 3 Remove the O ring Fig 14 Pos 2 4 Prepare the transport shield with the source to be installed and remove the cover of the transport shield Fig 14 Pos 6 5 Remove the locking plug Fig 14 Pos 7 to open the transport shield 1 2 3 4 5 6 7 Scr...

Страница 38: ...older Fig 15 item 3 and pull the radiator out of the transport shield with the forceps Fig 15 item 5 1 2 3 4 5 Screwed sealing plug O Ring Source holder Source Handling with plier Fig 15 Installing the source in the shield 7 Insert the source as soon as possible into the shield 8 Attach the O ring Fig 15 item 2 and tighten the Screwed sealing plug Fig 15 item 1 9 Place the locking plate Fig 14 Pos...

Страница 39: ... the source does require the direct handling of the unshielded source You must clarify with the responsible supervisory authority in advance whether your license for handling radioactive substances comprises handling unshielded sources In any case the source may only be installed removed by authorised persons The competent radiation safety officer is responsible for planning and monitoring the wor...

Страница 40: ...ld and open it 2 Remove the old source from the shield and insert the old source in the transport shield see chapter 6 5 1 3 Check the shield for damage and wear and repair it if required see chapter 6 2 4 Remove the type plate of the old source from the shield and rivet on the new type plate 5 Install the new source in the shield see chapter 6 5 2 ...

Страница 41: ...ON Danger of injury caused by heavy and bulky system components Heavy and bulky system components should only be handled using aids and by at least 2 persons Observe the guidelines for safe handling of heavy loads Ensure stability and use the provided fixing possibilities j CAUTION Danger caused by nuclear radiation Shields usually contain radioactive sources An increased exposure to radiation may...

Страница 42: ...f crushing by moving the shields Due to the high weight of the shield there is a risk of injury Heavy and bulky system components should only be handled using aids and by a at least 2 persons Do not reach between the shield and the container or mounting base 1 2 3 Position CLOSED Ring nuts Screw connection Fig 16 Dissasemble the shield 1 Ensure that the shield has been closed and secured the locki...

Страница 43: ...e at the surface of the packaging must be lower than 2000 μSv h Dose rate at a distance of 1m from the surface of the packaging must be lower than 100 μSv h The packaging must be marked with a reference for dangerous goods in accordance with the applicable regulations with the UN number Furthermore transport documents with the correct description of the content as well as an accident procedures sh...

Страница 44: ... pleased to send you a quotation regarding the costs Radioactive substances must be sent to Bad Wildbad Germany carriage paid BERTHOLD TECHNOLOGIES GmbH Co KG will not assume any costs for customs clearance or transportation BERTHOLD TECHNOLOGIES GmbH Co KG is to be informed about any return transport in advance BERTHOLD TECHNOLOGIES GmbH Co KG will reject any radioactive substances sent to Bertho...

Страница 45: ... 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 Only before dispatch The beam path must be closed Only before dispatch The locking plate must be mounted and secured Only before dispatch The transport securing device s must be installed Name of inspector Date Signature ...

Страница 46: ...rrespond to the maximum value in the CLOSED position If alternatively a dose rate measurement device is used the dose rate in the CLOSED position must be clearly lower than in the OPEN position Only with manual actuation It must be possible to turn the locking cylinder using one hand and the lever rod Only with pneumatic actuation The air pressure required for moving the locking mechanism may not ...

Страница 47: ...mbH Co KG Language English Printed in Germany 10 2017 Rev no 00 BERTHOLD TECHNOLOGIES GmbH Co KG Calmbacher Str 22 D 75323 Bad Wildbad Germany www berthold com ID no 64217BA2 Modifications due to technical advancement reserved ...

Страница 48: ...Rod source shield LB 8300 Stabstrahlerabschirmung LB 8300 Technical Information Technische Information 64217TI Rev No 00 10 2017 ...

Страница 49: ... sich um die maximalen Aktivitäten mit denen die jeweiligen Abschirmungen unter Einhaltung der internationalen Dosisleistungsgrenzwerte für den Transport von radioaktiven Stoffen 2000 µSv h an der Oberfläche des Packstückes und 100 µSv h in einem Meter Abstand von der Oberfläche beladen werden dürfen Nationale Dosisleistungsgrenzwerte für den Betrieb von Mess systemen sind üblicherweise deutlich g...

Страница 50: ...ID 64217 01 Carbon steel S235 C Stahl S235 44 mm lead 44 mm Blei 500 mm 97 kg 40 100 C RAL 1004 2K polyurethane varnish RAL 1004 2K Polyurethan Lack No nein LB 8300 2051 200 10000 0600 ID 64217 02 600 mm 110 kg LB 8300 2051 200 10000 0700 ID 64217 03 700 mm 123 kg LB 8300 2051 200 10000 0800 ID 64217 04 800 mm 136 kg LB 8300 2051 200 10000 0900 ID 64217 05 900 mm 150 kg LB 8300 2051 200 10000 1000...

Страница 51: ...on steel S235 C Stahl S235 68 mm lead 68 mm Blei 500 mm 249 kg 40 100 C RAL 1004 2K polyurethane varnish RAL 1004 2K Polyurethan Lack No nein LB 8300 4051 200 10000 0600 ID 64698 02 600 mm 274 kg LB 8300 4051 200 10000 0700 ID 64698 03 700 mm 303 kg LB 8300 4051 200 10000 0800 ID 64698 04 800 mm 338 kg LB 8300 4051 200 10000 0900 ID 64698 05 900 mm 368 kg LB 8300 4051 200 10000 1000 ID 64698 06 10...

Страница 52: ...on steel S235 C Stahl S235 90 mm lead 90 mm Blei 500 mm 412 kg 40 100 C RAL 1004 2K polyurethane varnish RAL 1004 2K Polyurethan Lack No nein LB 8300 5051 200 10000 0600 ID 65750 02 600 mm 456 kg LB 8300 5051 200 10000 0700 ID 65750 03 700 mm 500 kg LB 8300 5051 200 10000 0800 ID 65750 04 800 mm 563 kg LB 8300 5051 200 10000 0900 ID 65750 05 900 mm 607 kg LB 8300 5051 200 10000 1000 ID 65750 06 10...

Страница 53: ...eel S235 c Stahl S235 122 mm lead 122 mm Blei 500 mm 761 kg 40 100 C RAL 1004 2K polyurethane varnish RAL 1004 2K Polyurethan Lack No nein LB 8300 6051 200 10000 0600 ID 65934 02 600 mm 838 kg LB 8300 6051 200 10000 0700 ID 65934 03 700 mm 938 kg LB 8300 6051 200 10000 0800 ID 65934 04 800 mm 1016 kg LB 8300 6051 200 10000 0900 ID 65934 05 900 mm 1094 kg LB 8300 6051 200 10000 1000 ID 65934 06 100...

Страница 54: ...gth Strahlerlänge L A B C D E Fu Fo G H 100 64217 01 64217 02 64217 03 64217 04 64217 05 64217 06 64217 07 64217 08 64217 09 500 600 700 800 900 1000 1100 1200 1240 691 791 891 991 1091 1191 1291 1391 1431 Ø 14 305 340 120 95 120 122 225 Ø 12 150 64698 01 64698 02 64698 03 64698 04 64698 05 64698 06 64698 07 64698 08 64698 09 500 600 700 800 900 1000 1100 1200 1240 772 872 972 1072 1172 1272 1372 ...

Страница 55: ... Strahlerlänge L A B C D E Fu Fo G H 200 65750 01 65750 02 65750 03 65750 04 65750 05 65750 06 65750 07 65750 08 65750 09 500 600 700 800 900 1000 1100 1200 1240 844 944 1044 1144 1244 1344 1444 1544 1584 Ø 26 510 560 220 172 120 122 398 Ø 14 270 65934 01 65934 02 65934 03 65934 04 65934 05 65934 06 65934 07 65934 08 65934 09 500 600 700 800 900 1000 1100 1200 1240 919 1019 1119 1219 1329 1419 151...

Страница 56: ...0 x 120 305 Ø 14 150 465 x 180 425 Ø 18 200 560 x 220 510 Ø 26 270 600 x 300 510 Ø 26 NOTICE HINWEIS The mounting base and tilt protection must be provided by the plant manufacturer Montagesockel und Kippsicherung sind vom Anlagenhersteller bereitzustellen IMPORTANT WICHTIG The Mounting base with the oblong slot allows an adjustment of the radiation beam to the detector Der Montagesockel mit Langl...

Страница 57: ...8300 64217TI Rev 00 10 2017 Mounting variant stacked Montagevariante gestapelt Mounting variant stacked Montagevariante gestapelt NOTICE HINWEIS The mounting base and tilt protection must be provided by the plant manufacturer Montagesockel und Kippsicherung sind vom Anlagenhersteller bereitzustellen ...

Страница 58: ...00 64217TI Rev 00 10 2017 Mounting variants staggered Montagevarianten versetzt Mounting variant staggered Montagevariante versetzt NOTICE HINWEIS The mounting base and tilt protection must be provided by the plant manufacturer Montagesockel und Kippsicherung sind vom Anlagenhersteller bereitzustellen ...

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