Sentinel 880 Operating And Maintenance Manual
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Sentinel 880 Operating And Maintenance Manual

880 series source projector
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  • Page 2 This following provides information on the Model 880 OMEGA radiographic exposure device and identifies differences for this device not currently addressed in MAN-027. The Model 880 OMEGA general description is identical to all other Model 880 source projectors except for the following: The Model 880 OMEGA is identified by a Safety Orange colored optional jacket.
  • Page 3 DANGER - IMPORTANT WARNINGS The system must be operated only by trained and qualified radiographers who have read and understand this Operating Manual or by trained assistants working under their direct supervision. WARNING The use of this radiographic exposure device by unqualified personnel or when safety procedures are not fully met, could result in life-threatening dangers.

  • Page 4: Table Of Contents

    TECHNICAL SPECIFICATIONS OPERATING INSTRUCTIONS DAILY INSPECTION INSTRUCTIONS MAINTENANCE INSTRUCTIONS SAMPLE TRANSPORTATION INSTRUCTIONS DEFINITIONS AND TERMS EMERGENCIES AND PERSONNEL SAFETY INSTRUCTIONS FOR DISPOSAL CONTENTS 1.1 - 1.6 2.1 - 2.11 3.1 - 3.9 4.1 - 4.16 5.1 - 5.12 6.1 - 6.3 7.1 - 7.2...
  • Page 5 FRONT VIEW Outlet port Guide tube connector 229mm 7.5in 191mm 880 Delta 150Ci (5.55TBq) Maximum package weight With jacket 52lb (24kg) Without jacket 46lb (21kg) 880 Elite 50Ci (1.85TBq) 880 Sigma 130Ci (4.81TBq) Maximum package weight Maximum package weight With jacket...
  • Page 6 The Model 880 Delta is identified by a yellow colored jacket, the Model 880 Sigma is identified by a black colored jacket and the Model 880 Elite is identified by a blue colored jacket.
  • Page 7 The Model 880 exposure devices are also designed for use with low activity sources with high photon energies that are used for mass absorption (gamma scanning) studies of high-density materials up to 18.7g/cm...
  • Page 8 Source output At 1m per Ci (37GBq) Ytterbium-169 0.125R/hr Selenium-75 0.203R/hr Iridium-192 0.48R/hr Cobalt-60 1.30R/hr Selected attenuation data Material Approximate material density Ytterbium-169 Concrete 2.35g/cm 1.140 (29.0) Aluminum 2.65g/cm – Steel 7.80g/cm 0.170 (4.3) Lead 11.34g/cm 0.032 (0.8) Tungsten 17.80g/cm –...
  • Page 9 Sentinel - QSA Global, Inc. 40 North Avenue, Burlington, Massachusetts, USA 01803. Primary application Industrial gamma radiography. Model number Model 880 Delta, Model 880 Sigma and Model 880 Elite. Control cable length Unit weight 25ft (7.6m) 21lb (10kg) 35ft (10.7m) 24lb (11kg) 50ft (15.2m)
  • Page 10 USNRC Model Number: A424-9 source assembly with a doubly encapsulated Ir-192 sealed source. The IAEA/USDOT Special Form Certificate number is USA/0335/S. Optional isotopes that may be utilized in the Model 880 exposure devices are listed in this section. NOTICE This industrial radiography system is used as an exposure device and a Type B(U) shipping container for QSA Global, Inc.
  • Page 11 Safety Commission. This requires use of Agreement State or USNRC registered and approved remote controls, control cables, projection sheaths, sealed source assemblies, remote control cranks used in conjunction with the Model 880 Delta, Sigma or Elite. For additional information on compliance with Type B(U) certifications, USNRC 10CFR34, ANSI N432-1980 or ISO 3999-1:2000(E) please contact QSA Global, Inc.
  • Page 12 OPERATING INSTRUCTIONS QCP385 issue 2 Job site safety precautions Instruments The radiographer and his assistant must at all times wear a film badge or TLD and pocket dosimeter with a range of 0-200mRem (0-2mSv). Regulatory requirements in the USA also require that an audible alarm ratemeter be worn at temporary jobsites.
  • Page 13 OPERATING INSTRUCTIONS It is essential that the 5 STEPS set out below are followed in the correct order to ensure safe operation and compliance with regulations. STEP 1 Exposure device survey STEP 2 Connecting the source guide tube(s) STEP 3 Connecting the remote control cable STEP 4 Projecting and retracting the source assembly STEP 5 Dismantling equipment STEP 1...
  • Page 14 STEP 2 Connecting the source guide tube(s) OPERATING INSTRUCTIONS Simultaneously pull and rotate the spring-loaded outlet port cover a quarter of a turn in a clockwise direction. Insert the bayonet fitting of the source guide tube into the exposed outlet port. Align the GREEN MARKINGS on the bayonet fitting and outlet port.
  • Page 15 The remote control crank mechanism (operator's hand-crank) should be placed as far away from the source focal position as possible (preferably behind shielding). Connecting the remote control cable Connect the control cable to the source projector as shown.
  • Page 16 STEP 3 Connecting the remote control cable OPERATING INSTRUCTIONS Unlock the plunger lock with the key. Turn the selector ring from LOCK to CONNECT. The protective cover will disengage from the projector.
  • Page 17 OPERATING INSTRUCTIONS STEP 3 Connecting the remote control cable Insert the protective cover into the lock housing during use of the device. Check the control cable and source assembly connectors using the NO GO gauge according to the daily inspection section. Remove the protective rubber cap from the remote control connector.
  • Page 18 STEP 3 Connecting the remote control cable Checks before exposure of the source Verify that the source guide tubes are attached to the outlet port. Verify that the remote control connector assembly is correctly connected to the exposure device’s locking mechanism. Ensure that no personnel are inside the Restricted Area or exposure room.
  • Page 19 Ensure there is no tension/force in either direction on the control cable. Push the lock slide GREEN MARKING laterally from left to right (as seen behind the projector) until the lock slide RED MARKING fully appears on the right side of the selector ring and you feel or hear the sleeve snap into the slide.
  • Page 20 Survey meter readings observed during the projection operation should increase rapidly from background to a high level as the source emerges from the projector. Then readings should fall as the source moves out towards the focal point, fall sharply as the source enters a collimator (if used) and remain steady throughout the exposure.
  • Page 21 (force) on the control cable that would cause source movement when unlocking the projector. At this point, the source cannot be moved out of the stored position. In the unlikely event the lock slide moves toward the lock position before the source is fully stored in the exposure device, turn the crank handle in the RETRACT (clockwise) direction until it stops turning.
  • Page 22 OPERATING INSTRUCTIONS STEP 5 Dismantling equipment Remote control unit Unlock the exposure device and then rotate the selector ring from LOCK to CONNECT. The remote control connector will partially disengage from the exposure device's locking mechanism. Completely disengage the remote controls from the exposure device by disengaging the control cable connector from the source assembly connector.
  • Page 23 The outlet port mechanism allows attachment of source guide tube (projection sheath) without an elevation of radiation levels. The Model 880 Delta may be used with suitable source assemblies up to a maximum activity for the following listed isotopes:...
  • Page 24 The unshielded source at close proximity can cause serious injury, sickness or death to anyone exposed to it even for a short duration. All specific model number source assemblies used in the Model 880 are designed and tested for use in accordance to ISO/ANSI and USNRC requirements.
  • Page 25 DAILY INSPECTION INSTRUCTIONS A shielded outlet port cover mechanism permits a secure attachment of source guide tubes (projection sheaths) without an elevation of radiation levels. The outlet port mechanism will not allow the source assembly to be projected outside of the exposure device unless a source guide tube has been properly attached to the outlet port.
  • Page 26 DAILY INSPECTION INSTRUCTIONS Second, during termination of a radiographic exposure, the remote controls are used to retract the source back into the exposure device. When the source assembly is returned to the fully shielded position within the exposure device, the locking mechanism automatically secures the source assembly, preventing the source assembly from being inadvertently exposed from the fully shielded position.
  • Page 27 DAILY INSPECTION INSTRUCTIONS Exposure mode When the source assembly reaches the exposure head at the radiographic working position, the odometer will indicate (in feet and tenths of a foot) the approximate distance the sealed source has traveled. (See figure 3.4) To return the source assembly to the exposure device the crank handle is rotated in the RETRACT direction (clockwise).
  • Page 28 DAILY INSPECTION INSTRUCTIONS Daily inspection of the system A daily inspection of the gamma radiography system for obvious defects is essential. The daily inspection ensures that the equipment is in a safe and proper operating condition. It is important that all radiographers perform or supervise this inspection prior to the first radiographic exposure of the shift regardless of any previous inspections that may have been performed that day.
  • Page 29 DAILY INSPECTION INSTRUCTIONS 2 Inspect each length of source guide tube that will be used for cuts, inward dents and heat damage. The inspection is primarily a visual one, but it should include the radiographer using his hands to feel for the inward dents. This is necessary due to the fact the outer material of the source guide tube is a flexible waterproof material that can mask dents.
  • Page 30 DAILY INSPECTION INSTRUCTIONS 1 Remote control inspection: Uncoil the remote controls at the site. Inspect the control crank to assure all screws are present and tightened and that the crank handle is properly secured. If the control crank is equipped with an odometer, zero the odometer while the control cable is fully retracted.
  • Page 31 Check for freedom of movement of the control cable within the remote controls by moving the control crank handle back and forth approximately one-quarter turn. During this test, take care to avoid cranking the control cable onto the ground exposing it to dirt and sand. If any resistance is felt during this check, re-inspect the control conduits for dents or depressions.

  • Page 32: Maintenance Instructions 4.1 -

    QCP386 issue 2 Quarterly (routine) and annual (complete) maintenance requirements Radiographic exposure devices and associated equipment must be maintained regularly by trained and qualified personnel to ensure consistent and safe operation of the radiographic system. The routine inspection and maintenance also ensures the integrity of the Type B(U) transport packages are maintained in compliance with the Type B(U) package, Certification Number USA/9296/B(U)-XX (for XX, enter either 85 or 96 according to the package certification).
  • Page 33 MAINTENANCE INSTRUCTIONS maintenance, the exposure device must be withdrawn from service until repairs are accomplished and the results of subsequent operational tests and inspection are satisfactory. Inspect the radiography system for the following using a ‘satisfactory’ or ‘deficient’ criteria: 1 Survey the surface of the exposure device to ensure the measurable dose/rate is less than 200mR/hr (2mSv/hr).
  • Page 34 0.005µCi (<185Bq). To perform a wipe of the radioactive sealed source, perform the following steps: 1 Survey the exterior surface of the Model 880 exposure device to ensure the dose/rates are less than 200mR/hr (2mSv/hr).
  • Page 35 MAINTENANCE INSTRUCTIONS 2 Prepare a Model 518 wipe test swab according to the instruction sheet. Fill in all required information for the on the leak test form. Omission of the isotope, source model and serial number, etc. will delay processing of the wipe test. 3 Install service bayonet fitting (part no.
  • Page 36 Annual maintenance for the Model 880 Delta, Model 880 Sigma and Model 880 Elite exposure devices Tools required for Model 880 complete maintenance in Allen wrench for the 10-32 socket head lock mount and selector-ring screws. in Allen wrench for the socket head plunger lock screw.
  • Page 37 The exposure device must be empty for the following steps. (See page 4.3) 2 Remove the four -18 x 1 mechanism plate from the empty Model 880 device using the tamperproof tool bit mounted in a ratchet. 3 Remove the 10-32 socket head screws that retain the selector-ring and plunger lock...
  • Page 38 MAINTENANCE INSTRUCTIONS 5 Begin assembly of the locking mechanism by lightly coating all components with MIL-G-23827B or C, MIL-PRF-23827C grease. Treat all screw thread ends with Vibratite™ or Locktite™ thread sealant. Mount the locking mechanism plate horizontally in a vise or fixture with the plunger lock and retainer at a 12 o'clock position.
  • Page 39 Use a dry cloth swab to remove any residual solvent from the ‘S’ tube after cleaning. Clean the exterior of the Model 880 using a mild detergent solution to remove all dirt and grime. Visually inspect the exposure device's stainless steel end plates for weld failures (cracks, etc.) on the locking mechanism and outlet port ends.
  • Page 40 Repeat the function test three times to ensure smooth operation. 8 Re-assemble the Model 880 exposure device by performing the following steps: Apply Permantex™ anti-seize thread lubricant to the first several end threads of the back plate’s (locking mechanism) four...
  • Page 41 Annual maintenance for the remote controls Tools required for complete maintenance of Models 692, 693, 664 remote controls, compatible with Models 880, 660 and 460 exposure devices: in open-end wrench for the control conduit swage fittings. in open end wrench for the 5-16 control crank handle bolt.
  • Page 42 7 Perform the following inspections of the control cable. Use the Model 550 NO GO gauge to inspect the control cable connector for wear. Closely inspect the connector for bends or cracks in the neck (shank) area and dented areas on the ball of the connector.
  • Page 43 MAINTENANCE INSTRUCTIONS Clean the interior of both remote control conduits by pouring 4-5oz (100ml) of clean solvent into one end. Use compressed air to blow the solvent through the entire length of conduits into a clean white cloth attached to the opposite end. Repeat this cleaning process until the solvent blown through the conduit comes out clean.
  • Page 44 MAINTENANCE INSTRUCTIONS Place the drive wheel in the lower half of the control crank housing making sure the spacer rings are between it and the wheel bearings if applicable. Assemble the two brake jaws, brake bearing and brake arm. The angled sides of the brake jaws should be facing the retract side of the control crank housing.
  • Page 45 MAINTENANCE INSTRUCTIONS Quarterly and annual maintenance for source guide tubes Tools required for maintenance of source guide tubes: A424-9XL mock source assembly to perform function tests after cleaning and inspection. Length of clean control cable to push A424-9 XL through a 7ft (2.1m) source guide tube. 1in-18 tap and 1in-18 die nut for male and female threads of the source guide tubes, if required.
  • Page 46 Misconnect test after reloading sealed source into the exposure device After performing the annual maintenance, the complete locking system should be tested by the maintenance program administrator or Radiation Safety Officer. A misconnect test on the exposure device including the radioactive source assembly effectively tests the integrity of the entire locking system.
  • Page 47 MAINTENANCE INSTRUCTIONS Model 880 Delta, Model 880 Sigma and Model 880 Elite safety class A components Safety Class A designation items Items that comprise the Model 880 Delta, Sigma or Elite radiographic exposure device and associated equipment that are critical for safe radiological operation are classified as Class A items or components.
  • Page 48 MAINTENANCE INSTRUCTIONS REAR PLATE ASSEMBLY...
  • Page 49 REAR PLATE ASSEMBLY ITEM PART NUMBER QTY. DESCRIPTION 88014 LOCK COVER ASSEMBLY 85701-5 SELECTOR RING RETAINER 88026 SELECTOR RING SPR005 COMPRESSION SPRING 88025 SLEEVE 88024 LOCK SLIDE SPR006 COMPRESSION SPRING 66001-6 ANTI-ROTATE LUGS SPR004 COMPRESSION SPRING 88021 REAR PLATE ITEM PART NUMBER SCR003 SCR072...
  • Page 50 MAINTENANCE INSTRUCTIONS FRONT PLATE ASSEMBLY...
  • Page 51 FRONT PLATE ASSEMBLY ITEM PART NUMBER QTY. DESCRIPTION 88033 PORT COVER (SET SCREW TYPE) 88033A PORT COVER (ROLL PIN TYPE) SCR162 SET SCREW PIN036 ROLL PIN 88031 FRONT PLATE 88036 WASHER 88032 ROTOR (ROLL PIN TYPE) 88032A ROTOR (SET SCREW TYPE) SPR033 COMPRESSION SPRING 88037...
  • Page 52 MAINTENANCE INSTRUCTIONS CONTROL ASSEMBLIES SOURCE GUIDE TUBES...
  • Page 53 CONTROL ASSEMBLIES ITEM PART NUMBER QTY. DESCRIPTION SCR125 in BIND HEAD SCREW SCR008 in BIND HEAD SCREW BLT008 HEXAGONAL BOLT WSH019 WASHER 68901 CRANK ARM BBS-004 BRAKE BUSH 81800-10 CONTROL CRANK HOUSING 68900-8 CRANK DECAL 68900-4 BRAKE JAW 68900-3 BRAKE ARM BBS-001 BALL BEARING ASSEMBLY 68900-7...

  • Page 55: Sample Transportation Instructions 5.1 -

    The sample transportation regulations in section 5 are specific to the USA only. As stated in section 5.1 you should reference all international and local regulations before shipping. The following instructions are samples for the transport of radiography devices and sources within the United States and are based on current transport regulations.
  • Page 56 SAMPLE TRANSPORTATION INSTRUCTIONS Part A - Transport package The Model 880 Delta, Model 880 Sigma and Model 880 Elite are approved as radiographic exposure devices and Type B(U) transport packages under the certification number USA/9269/B(U)-XX (for XX enter either 85 or 96 according to the package certification).
  • Page 57 3c If the source is not Special Form, you must make a contamination wipe test of the exterior surface of the package. Wipe a representative surface of the package, covering an area of approximately 300cm , using a cloth patch and moderate pressure. Measure the activity on the patch using the contamination monitor and assure that the activity does not exceed 0.001microcurie (37Bq)/100cm Officer immediately.
  • Page 58 SAMPLE TRANSPORTATION INSTRUCTIONS 3 Prior to shipment assure the package and its contents meet the following requirements: The contents are authorized for use in the package. The package is in good physical condition for transport. All locks or required shipping plugs are properly installed and seal wired where required. All conditions of the Type B(U) Certificate of Compliance or Type A approval are met.
  • Page 59 8 Properly complete two shipping labels indicating the contents (Iridium-192, Cobalt-60, etc.), the activity of the source (in Becquerels or multiples of Becquerels, e.g. GigaBecquerels (GBq)) and the transport index. The transport index is used only on Yellow II and Yellow III labels and is defined as the maximum radiation level in mRem/hr at 1m from the package surface (see Table 1).
  • Page 60 SAMPLE TRANSPORTATION INSTRUCTIONS Shipper's certification: ‘This is to certify that the above named materials are properly classified, described, packaged, marked and labeled and are in proper condition for transport according to the applicable regulations of the Department of Transportation.’ [49CFR172.204(a)] For air shipments, the following shipper's certification may be used: ‘I hereby certify that the contents of this consignment are fully and accurately described by proper shipping name and are classified, packed, marked and labeled and are in proper condition for...
  • Page 61 Insert the protective cover into the locking mechanism, rotate the selector ring into the lock position, engage the plunger lock and remove key. Remove the source identification tag from the Model 880 and place it with the source assembly. In some regulatory jurisdictions, ‘empty’ labels or tags must be attached to the empty Model 880.
  • Page 62 SAMPLE TRANSPORTATION INSTRUCTIONS ‘This Package Conforms to the Conditions and Limitations Specified in 49CFR173.426 for Radioactive Material, Excepted Packages - Articles Manufactured From Depleted Uranium, UN2909.’ ii. Your company's 24-hour emergency phone number. NOTE: When shipping by Air, Excepted packages are exempt from the requirement for the use of Dangerous Goods Declaration.
  • Page 63 0.16 x 35lb = 5.6mCi). v. Category of label applied (i.e. Radioactive Yellow II). vi. Transport Index. vii. USNRC identification number or DOT specification number, i.e. Model 880 cert: USA/9296/B(U)-XX (for XX, enter either 85 or 96 according to the package certification). viii.Shipper's certification: ‘This is to certify that the above named materials are properly classified, described,...
  • Page 64 SAMPLE TRANSPORTATION INSTRUCTIONS viii. The 24-hour emergency number required by Step 6bx of this part, must appear in the ‘Additional Handling Information’ section of the Declaration for Dangerous Goods. The information on the Declaration for Dangerous Goods must be entered strictly in accordance with the order specified in the latest edition of the International Air Transport Association, Dangerous Goods Regulations.
  • Page 65 a Air waybill number: Enter the number of the air waybill to which the declaration form will be attached. (This may be amended by the Carrier.) b Airport of departure: Enter the full name of the airport of city of departure, which may be amended by the carrier.
  • Page 66 SAMPLE TRANSPORTATION INSTRUCTIONS Radioactive material transport checklist Date __________________________________ Operator ____________________________________ Destination _________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Transport container model ______________ Serial number________________________________ Radionuclide __________________________ Activity _____________________________________ Type of label applied ___________________ Transport index ______________________________ Survey meter model ____________________ Serial number ________________________________ Calibration date _______________________ Film badge __________________________________ Dosimeter serial number ________________ Initial reading ________________________________ Radiation area signs ____________________ Packing list __________________________________...
  • Page 67 DEFINITIONS AND TERMS Area alarm An area radiation level monitor that provides a highly visual warning when the radiation level exceeds a pre-set threshold. Commonly referred to as Gammalarms, use is required by most jurisdictions in permanent radiographic installations and they are often used in conjunction with door interlocks and audible alarms.
  • Page 68 Current equipment requirements require devices be designed and tested to ISO/ANSI standards and pertinent transportation regulations for transport containers. Also known as: projector, gamma ray projector (G.R.P.), camera, pill-box, source-box, exposure container. Exposure head...
  • Page 69 Secured position (shielded position) Condition of the radiographic exposure device and source assembly, when the sealed source is fully shielded and restricted to this position within the radiographic exposure device. Note: When in the secured position during radiographic operations, the radiographic exposure device may be unlocked.

  • Page 70: Emergencies And Personnel Safety 7.1 -

    Emergencies During the termination of a radiographic exposure, observation of the survey meter provides an indication of source movement while cranking the remote control handle. After retracting the sealed source into the exposure device, radiographers are required to perform a confirmatory survey of the exposure device, the projection sheaths and beam limiter when used.
  • Page 71 EMERGENCIES AND PERSONNEL SAFETY Access to restricted areas The site where radiography is performed must be separated from other work areas by as much distance as possible. If applicable, check for occupation of the areas above and below the radiography site. Clearly defined boundaries must be set up and warning signs displayed to provide warning and prevent access to the radiography site by unauthorized personnel before any exposure begins.

  • Page 72: Instructions For Disposal

    INSTRUCTIONS FOR DISPOSAL By international regulations, radioactive materials that are no longer required must be transferred to a licensed recipient for final disposition. Iridium-192 source assemblies that have depleted beyond their useful working life may be returned to authorized recipients using a source changer authorized for the specific model source assembly.

This manual is also suitable for:

880 delta 150ci880 sigma 130ci880 elite 50ci

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