Sigma projetor manual

MAN-027-May 2007 Operating and Maintenance Manual[...]

i DANGER - IMPORTAN T WARNIN GS The system must be operated only by trai ne d and qualif ied radiogra ph ers who have read and understand this Operating Manual or by trained assistant s working under their direct supervision. WARNING The use of thi s radiographic e xposure dev ice by unqua lified personnel or when safety proce dures are not fully m[...]

ii CONTENTS _______________________________________________________________________ 1 TECHNICAL SPECIFICATIONS 1.1 – 1.7 _______________________________________________________________________ 2 OPERATING INSTRUCTIONS 2.1 – 2.11 _______________________________________________________________________ 3 DAILY INSPECTION INSTRUCTIONS 3.1 – 3.9 _[...]

iii 880 Delta 150 Ci (5.55 TBq) Maximum package weight 880 Sigma 130 Ci (4.81 TBq) Maximum package weight With jacket 52 lb (24 kg) With jacket 52 lb (24 kg) Without jacket 46 lb (21 kg) Without jacket 46 lb (21 kg) 880 Elite 50 Ci (1.85 TBq) Maximum package weight 880 Omega* 15 Ci (0.55 TBq) Maximum package weight With jacket 42 lb (19 kg) With ja[...]

TECHNICAL SPECIFICATIONS 1.1 Exposure Device Description The Model 880Delta, Model 880 Sigma, Model 880 Elite and Model 880 Ome ga a re physically small, lightweight, portable industrial radiog rap hic exposure devices. The ‘S’ tube desi gn expo sure device consists of a cast depleted Urani um (DU) shield cont ained and se cured within a 300 se[...]

TECHNICAL SPECIFICATIONS 1.2 Applications The Model 880 devices are used for indu strial ap plic ations of gamma radiography, mainly with Iridium - 192, to inspect materials and structu res in the density range of approximately 2.71 g/cm 3 through 8.53 g/cm 3 . The Model 880 devices also a ccommodate low en er gy isotopes to permit radiograp hy of [...]

TECHNICAL SPECIFICATIONS 1.3 Model 880 Elite authorized contents Isotope Assembly Model Number Gamma Energy Range Half Life Approximate Steel Working Thickness Device/Source Maximum Capacity Ytterbium-169 91810 8-308 keV 32 days 2-20 mm 20 Ci 0.74 TBq Selenium-75 A424-25W 66-401 keV 120 days 3-29 mm 150 Ci 5.55 TBq Iridium-192 A424-9 206-612 keV 74[...]

TECHNICAL SPECIFICATIONS 1.4 Note: The total length of source guide tubes utilized must be shorter in length than the remote controls to ensure the source assembly will pr oject into the working position. e.g. When using 25 ft (7.6 m) remote controls, a maxi mum of three 7 ft (2.1 m) source gui de tubes can be used with a combined length of 21 ft ([...]

TECHNICAL SPECIFICATIONS 1.5 Exposure Device Specifications Manufacturer Length Sentinel - QSA Global, Inc. 13.33 in (33.8 cm) all models 40 North Avenue, Burlington, Massachusetts, USA 01803 Primary Ap plication Width Industrial gamma radiography 7.5 in (19.1 cm) all models Model Numbers Height Model 880 Delta, Model 880 Sigma, Model 880 Elite 9 i[...]

TECHNICAL SPECIFICATIONS 1.6 Construction A depleted Uranium (DU) shield is encased within a welded tubular stainless stee l shell with stainless steel end plates. The interior void sp ace is filled with rigid polyurethane foam. The exposure device body is encased in an engi nee red plastic jacket also consisting of the handle an d a ba se. Materia[...]

TECHNICAL SPECIFICATIONS 1.7 Warranty and Limitation of Liability QSA Global, Inc. (herein referred to as the manufa ctu rer) warrants its product which it manufactures and sells to be free from defects in material and workma n ship for a period of one year from the date of shipment. This warranty shall not apply to any prod uct or part s which hav[...]

OPERATING INSTRUCTIONS 2.1 Job site safety precautions Instruments The radiographer and radi ography assistants must a t all times wear a film badge or TLD and pocket dosimeter with a range of 0-2 mSv (0 -2 00 mRem). Re gulatory requirements in the USA also require that an audible alarm ratemete r be worn at temporary jobs ites. Specifically, those[...]

OPERATING INSTRUCTIONS 2.2 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 Dismantl[...]

OPERATING INSTRUCTIONS 2.3 STEP 2 Connecting the Source Guide Tube(s) Simultaneously pull and rotate the spring-loaded outlet port co ver 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. Rotate a quarter of[...]

OPERATING INSTRUCTIONS 2.4 STEP 2 WARNING Ensure that the available length of the control cabl e is greater than the total length of the source guide tubes. See the technical specificatio ns sec tion for details. If the remote control conduits are shorter than the total length of the source guide tubes: 1 The source assembly cannot be proje c ted a[...]

OPERATING INSTRUCTIONS 2.5 STEP 3 Connecting the Remote Control Cable Unlock the plunger lock wit h the key. Turn the selector ring from LOCK to CO NNECT The protective cover will dise ngage from the projector. 1 2 3[...]

OPERATING INSTRUCTIONS 2.6 STEP 3 Connecting the Remote Control Cable Insert the protective cover into the lock housi ng during use of the device. Check the control cable an d sou rce assembly connectors using the NO GO gauge according to the daily inspection section. Remove the protective rubber cap from the remote co ntrol connecto r. IMPORTANT W[...]

OPERATING INSTRUCTIONS 2.7 STEP 3 Connecting the Remote Control Cable Close the jaws of the control cabl e co nnector over the joined connecto rs. Slide the remote control conne ctor a ssembly collar over the connecto r jaws. NOTE: The control cable conne ctor, when prope rly installe d with the selector ring in the CONNE CT position, displace s an[...]

OPERATING INSTRUCTIONS 2.8 STEP 4 Projecting and Retracting the Source Assembly Unlocking If engaged, unlock the exposure device’s plun ger lock with the key. Rotate the selector ring to the OPERATE position. Ensure there is no tension/force in either directio n on the control cable. Push the lock slide GREEN MARKING laterally from left to right [...]

OPERATING INSTRUCTIONS 2.9 STEP 4 Projecting Rapidly rotate the control crank handle in the EXPOSE direction (counter-cl ockwise) to move the source assembly out of the exposure devi ce to the radiographic focal position. The control crank handl e wi ll stop turning when the source re aches the source stop. Do not u se excessive for ce. The odomete[...]

OPERATING INSTRUCTIONS 2.10 STEP 4 Retracting At the end of the required exposur e time, set the brake to OFF and rapidly turn the cran k handle in the RETRACT (clock wise) direction until it no longer mov es. You may hear the lock slide ‘click’ back into its original position depending on the ambient noise level at the job site. From the contr[...]

OPERATING INSTRUCTIONS 2.11 STEP 5 Dismantling equipment Remote control unit Unlock the exposure device and then rotate the select or ring counter-clo ckwise from LO CK to CO NNECT. The remote control connector will partially diseng age f rom the exposure device's locking mech anism. Completely disengage the remote control s from the exposure [...]

DAILY INSPECTION INSTRUCTIO NS 3.1 Introduction The QSA Global, Inc. Model 880 Delta, Sigma, Elit e and Omega radiographic exposu re devices provide innovation to the most widely used family of radi ographic exposu re devices utilized for on-site gamma radiography. The Model 880 Series exposure devices are portabl e, lightwei ght and permit use of [...]

DAILY INSPECTION INSTRUCTIO NS 3.2 Figure 3.1 Source assembly and remote control cabl e con nectors 2 Exposure Device The source assembly is shown in the stored positio n in a titanium or ‘S’ tube at the center of the depleted Uranium shield of the exposur e device. (See figure 3.2) A remote control unit is shown with its control cable connecto[...]

DAILY INSPECTION INSTRUCTIO NS 3.3 First, the locking mechanism requires a deliberate a c tion to enabl e exposure of the source assembly. This is accomplished by co upling the control cable co nnector to the source a ssembly connect or, coupling the remote control connect or to the exposure device locking mech anism a nd then pushing a lock slid e[...]

DAILY INSPECTION INSTRUCTIO NS 3.4 Transit Mode Rotating the handle of the remote control crank in the EXPOSE direction (count er-clockwi se) moves the source assembly out of the shielded position in t he exposu re device and into the source guide tubes (projection sheaths). (See figure 3.3) The source assembly is under positive mechani cal c ontro[...]

DAILY INSPECTION INSTRUCTIO NS 3.5 Figure 3.4 Sealed source in the exposure mode Daily Inspection of the System A daily inspection of the gamma radiography sy stem for obvious d efects is essential to ensure the equipment is in a safe and prop er o perating condition. It is important that a ll radiographers perform or supervise this inspection prio[...]

DAILY INSPECTION INSTRUCTIO NS 3.6 2 Inspect the labels on the exposu re device or the transport case to ensure they are legible and securely attached to the unit. The warning label cont aining the trefoil should be l egible fro m a distance of at least 3 ft (approximately 1 m). This label warn s the individuals in the immediate vicinity of the pre[...]

DAILY INSPECTION INSTRUCTIO NS 3.7 odometers to obtain an approximation of the travel di st ance. One full revolution of the cra nk handle is equal to approximately 10 in (25.4 cm) of travel. Two remote control conduits (sheaths, housing s) are atta ched to the control crank. One conduit contain s the working side of the control ca ble that drives [...]

DAILY INSPECTION INSTRUCTIO NS 3.8 2 Control Conduit Inspection : a. Inspect the control conduit where it is swag ed onto the fittings that mount on the control crank. There should be no evidence of cra cks or breaks in the PVC sheath. Also, look for bulges in that area that result from repeated flexing. b. Visually inspect the entire length of bot[...]

DAILY INSPECTION INSTRUCTIO NS 3.9 d. A final check of the control cable connector and sou rce assembly conne ctor i s accomplished by use of a Model 550 NO GO gauge to check for signi ficant we ar on the connectors that woul d affect safety. Without using excessive force, ch eck the followi ng four positions (se e figure 3.5): 1 Ball at the end of[...]

MAINTENANCE IN STRUCTIONS 4.1 Quarterly (Routine) and Annual (Complete) Maintenance Requirements Radiographic exposure devices a nd associated equip m ent must be maintained regularly by trained and qualified personnel to ensure consi stent and safe operation of the radiographic system. The ro utine inspection and maintenance also e nsures that the[...]

MAINTENANCE IN STRUCTIONS 4.2 Routine (Quarterly) Maintenance Requirements 1 Remote Co ntrols Disassemble, clean, inspe c t and maintai n the remote control crank, control con d uits and control cable according to the complete service section. Record the result s of the inspection and any repairs that are performed. Any components found to be defic[...]

MAINTENANCE IN STRUCTIONS 4.3 f. Check the locking mechanism and plung er lock to verify attachment and operatio n. Grasp the entire mechanism with one h and an d attempt to shift the mechanism. Retaining screws that have been loosened from e x cessive vi bration or impro per mai ntenance will allow the movement of the locking mechanism during this[...]

MAINTENANCE IN STRUCTIONS 4.4 Routine (Quarterly) Maintenance Records Records of all equipment inspected and maintained during the routine mainten ance must be recorded. Records should indicat e: • The date of inspection and maintenance. • Name and signature of the qualified indi vidual perfo rming the req uired in spections. • Problems found[...]

MAINTENANCE IN STRUCTIONS 4.5 Leak Testing Leak Test of the Radioactive Sealed Source Periodic leak tests of the radioa ctive sealed sour ce a re required by most nation al and international regulations. The leak test provides a confirmation of the integrity of the hermetically welded sealed source by determining the amount of removable cont am ina[...]

MAINTENANCE IN STRUCTIONS 4.6 The analysis performed on the wipe test must be capable of detecting the presence of 0.00 5 µCi (18 5 Bq) of radioactive material on the test sampl e. If the test sample reveals 185 Bq (0.005 µCi ) or more of removable DU contamination, the exposure device m ust be removed from service until an evaluation of the wear[...]

MAINTENANCE IN STRUCTIONS 4.7 Model 880 Series Annual Maintenance Requirements Model 880 Series exposure devices must re ceive inspection and maintenance at least once a year. The locking mechanism a nd outlet port mechanism must be removed from the exposure device an d disassembled for prop er cleaning, inspection and lubric ation of components th[...]

MAINTENANCE IN STRUCTIONS 4.8 5 Begin assembly of the locking mechani sm by light ly coating all components wit h MIL-G-23827B (or C), MIL-PRF-23827C, (or e quivalent ra diation resist ant grease auth orized by QSA Global, Inc.). Treat all screw thread ends with Vibratit e™ or Locktite™ thread sealant. Mount the locking mechanism plate hori zon[...]

MAINTENANCE IN STRUCTIONS 4.9 7 Remove the front plate containing the outlet por t mechanism from th e empty Mod el 880 device by removing the four 5/16-18 x 1½ in socket button- head screws using the tamperp roof tool bit mounted in a ratchet. After removing the outlet port mechanism, clean the ‘S’ tube of the exposure device by pushi ng clot[...]

MAINTENANCE IN STRUCTIONS 4.10 8 Re-assemble the Model 880 exposure device by perf orming the following steps: Apply Permantex TM anti-seize thre ad lub ricant to the first several end thread s of the ba ck plate’s (locking mechanism) four 5/16-18 x 1½ in so cket button-head scre ws. Align and attach the locking mechanism assembly to the exposur[...]

MAINTENANCE IN STRUCTIONS 4.11 Annual Maintenance for the Remote Controls Tools required for complet e maintenance of Models 692, 693, 664 remote controls: • 11/16 in open-end wrench for the control con duit swage fittings. • 1/2 in open-end wrench for the 5/16 in control crank handle b olt. • Slot screwdriver for the 10-32 remote control cra[...]

MAINTENANCE IN STRUCTIONS 4.12 7 Perform the following inspections of the control cable: a. Use the Model 550 NO GO gauge to inspect the control cabl e connector for we ar. Clo sely inspect the connector for bends or cra cks in the neck (shank) area a nd dented area s on t he ball of the connector. Remove the control cable from servi c e if any cra[...]

MAINTENANCE IN STRUCTIONS 4.13 Clean the interior of both remote control cond uits by pouring 4 -5 oz (100 ml) of clean solvent into one end. Use compressed air to blow the solvent through the entire length of con du i ts into a clea n white cloth attached to the opposite end. Repeat this cl eaning proce s s until the solvent blown throu gh the con[...]

MAINTENANCE IN STRUCTIONS 4.14 CAUTION Wear safety glasses when inse rting th e wear strip. It will be under tensio n and could sudde nly fly out during assembly. Place the drive wheel in the lower half of the contro l cran k housing making su re the spacer rin gs are between it and the wheel bearin gs if applicable. Assemble the two brake jaws, b [...]

MAINTENANCE IN STRUCTIONS 4.15 Connect the RETRACT control housin g to the contro l crank housing. Retract the control cable fully, watching for any binding that may indicate damage to the cont rol hou sing. If applicable, reset the odometer to zero with the cont rol cable fully retracted. Replace the protective rubber cap over the end of the safet[...]

MAINTENANCE IN STRUCTIONS 4.16 4 Inspect the swage fittings of each source guide tube to ensure the t hreads are not stripped or galled. If the threads are damaged, the use of a 1in-1 8 tap or die and oil can be used to clean the da maged area. Using moderate pressure, a ttempt to twist the swage fitting off the source guide tube. If any movement i[...]

MAINTENANCE IN STRUCTIONS 4.17 Annual Maintenance Records Records of all equipment inspected and maintained during the annual mainten a nce must be recorded. Records should indicat e: • the date of the inspection and maintenance. • name of the qualified individual pe rforming the required inspe ctions. • problems found and mai ntenan ce or re[...]

MAINTENANCE IN STRUCTIONS 4.18 Rear Plate Assembly[...]

MAINTENANCE IN STRUCTIONS 4.19 REAR PLATE ASSEMBLY ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 1 88014 1 LOCK COVER ASSEMBLY 11 SCR003 4 SOCKET HEAD CAP SCREW 2 85701-5 1 S EL E C T O R R I N G R E T A I N E R 12 SCR072 2 SOCKET HEAD CAP SCREW 3 88026 1 S E L E C T O R R I N G 13 SLV005 4 RUBBER SLEEVE 4 SPR005 1 C O MP R ES S I O[...]

MAINTENANCE IN STRUCTIONS 4.20 Front Plate Assembly[...]

MAINTENANCE IN STRUCTIONS 4.21 FRONT PLATE ASSEMBLY ITEM P A R T N O . Q T Y . DESCRIPTION ITEM P A R T N O . Q T Y . DESCRIPTION 1 88033 1 PORT COVE R (SET SCREW TYPE) 8 PIN024 1 ROLL PIN • 88033A 1 PORT COVER (ROLL PIN T YPE) 9 SCR160 2 SOCKET HEAD CAP SCREW 2 SCR162 1 S E T S C R E W 10 88039 1 PIVOT DISK • PIN036 1 R O L L PI N 11 88034 1 P[...]

MAINTENANCE IN STRUCTIONS 4.22 CONTROL ASSEMBLIES SOURCE GUIDE TUBES[...]

MAINTENANCE IN STRUCTIONS 4.23 CONTROL ASSEMBLIES ITEM P A R T N O . Q T Y . DESCRIPTION ITEM P A R T N O . Q T Y . DESCRIPTION 1 SCR125 4 1 5/8 IN BIND HEAD SCREW • 18 GEA-002 1 HELICAL GEAR 2 SCR008 4 1 1/4 IN BIND HEAD SCREW ο 19 PIN008 1 ROLL PIN 3 BLT008 1 H EX A G O N A L B O LT 20 66404-1 1 GEAR SHAFT ο 4 WSH019 1 W AS H E R 21 BBS-005 1[...]

MAINTENANCE IN STRUCTIONS 4.24 28 29 2 22 1 27 26 22[...]

SAMPLE TRANSPORTATION INST R UCTI ONS 5.1 The following instruction s are sampl es for the transp ort of this radi ographic exposu re device/transport container and source asse mbly within the United Stat es and are based o n cu rrent transport regulation s. Shippers of radioactive materials in reg ulatory juri sdictions outside the USA must ensure[...]

SAMPLE TRANSPORTATION INST R UCTI ONS 5.2 Receipt of Radioactive Material NOTE 1 A radioactive material package must be accepted from the carrier at the time it is delivered. [10CFR20.1906(a)(1)] 2 If a radioactive material package is to be held at the carrier's terminal for pickup, arran gements must be made to receive notification from the c[...]

SAMPLE TRANSPORTATION INST R UCTI ONS 5.3 Shipment of Radioactive Material 1 Prior to shipment of a Type B package within the US A, assure that you are a registered user of the radioactive material package you wi sh to ship. Also, assure that you have ap propriate quality assurance procedures for Type B packa ges. [10CFR71.12, 10 CFR34.31(b)] 2 Pre[...]

SAMPLE TRANSPORTATION INST R UCTI ONS 5.4 6 If the shipping package is to be packaged inside a crate or other outer packagin g, the outer packaging must be strong enough to withstand the normal conditio ns of transport and must not reduce the safety of the package. The shipping package must be placed within the outer package with sufficient blockin[...]

SAMPLE TRANSPORTATION INST R UCTI ONS 5.5 The TI is the maximum radiation level measured in mRem/hr at a distance of 1m from the external surfaces of the package. When r ecord ing the TI, the dose rate units of mRem/hr are not listed, for example a reading of 20 µSv/hr (2 mem/hr) w ould indi cate a TI = 2.0. (Note that the TI is rounded to the nea[...]

SAMPLE TRANSPORTATION INST R UCTI ONS 5.6 NOTE: For shipments in company vehicles to and from job sites, the ship per’s certificati on is not required. k. The shipping papers must i ndicate your company's emerg en cy telephone number. The telephone number must have 24-hour coverage in ca se of an emergency conce rnin g your shipme nt. The te[...]

SAMPLE TRANSPORTATION INST R UCTI ONS 5.7 Shipment of Empty Uranium Shielded Containers 1 Assure that the package does not contain a radioa ctive source. Perform the following p rocedure to confirm there are no unauthori zed source assemblies within the container: • Transfer the authorized source asse mbl y from t he exposure device in accordance[...]

SAMPLE TRANSPORTATION INST R UCTI ONS 5.8 ii. Required after 1 January 2007, the outside of the package must include the following label [IATA 10.7.4.4.3]: 6 If the surface radiation level exceeds 5 µSv/hr (0.5 mRem/h r), or if there is a m easurable radiation level at 1m from the surface, use the criteria of Table 1 to determine the proper ship p[...]

SAMPLE TRANSPORTATION INST R UCTI ONS 5.9 ix. For air shipments, the packag e must be l abeled with a ‘Cargo aircraft only’ label and the shipping papers must stat e: ‘This shipment is within the limitations prescribed f or cargo only aircraft’. x. Your company's 24-hour emergen cy telepho ne num ber. xi. The weight of the package incl[...]

SAMPLE TRANSPORTATION INST R UCTI ONS 5.10 3 Place the transport package in the vehicle. Properly brace and secure the pa ckage ag ainst movement in the vehicle. [49CFR177.842(d)] 4 Survey the driver's compartment to assure that the radiation level does not exceed 0.02 mSv/hr (2 mRem/hr). [49CFR177.842(g )] Note: This requireme nt is mandatory[...]

SAMPLE TRANSPORTATION INST R UCTI ONS 5.11 Radioactive material transport checklist Date Operator Destination Transport Co ntainer Model Serial Number Radionuclide Activity Type of Label Applied Transport Inde x Survey Meter Model Serial Number Calibration Date Film Badge Dosimeter Serial Num ber Initial Reading Final Reading Radiation Area Signs P[...]

DEFINITIONS AND TERMS 6.1 Area alarm An area radiation level monitor that provides a highly vi sual warning whe n the radiation level exceed s a pre-set threshold. Commonly referred to as Gammalarms, use is required by most jurisdiction s in permanent radiographic installations a nd they are of ten used in conjunction with door interlo cks and audi[...]

DEFINITIONS AND TERMS 6.2 Exposure head Device which locates the sealed sou rce inclu ded in th e source assembly, in the selected working position and prevents the source assembly from projecting out of the project ion sh eath. Also known as: source stop, end stop, snout and head-ho se. Locked position Describes the condition wh en the lock on a r[...]

DEFINITIONS AND TERMS 6.3 Source assembly A source holder with a seal ed so urce attached or in cluded. In cases where the sealed source is directly attached to the control cable without the use of a s ource holder, the source assembly is the co ntrol ca ble with the sealed source attached. In cases where the s ealed source is not attached to the c[...]

EMERGENCIES AND PERSONNEL SAFETY 7.1 Emergencies During the termination of a radiogr aphic exposure, observatio n of the su rvey meter provides an indication of source movement while cra nki ng the remote contro l handle. After retracting the sealed so urce into the exposure device, radiograp hers are re qu ired to perform a confirmatory su rvey of[...]

EMERGENCIES AND PERSONNEL SAFETY 7.2 Access to Restricted Areas The site where radiography is performed must be sepa ra ted from other work areas by as much distance as possible. If applicable, check for occupation of the area s ab ove and below the radiography site. Clearly defined boundari es must be set up and warnin g signs displayed to provide[...]

INSTRUCTIONS FOR DISPOSAL 8.1 Disposal By international regulations, radioactive material s t hat are no longer require d mu st be transferred to a licensed recipient for final dispo sition. Cobalt-6 0 source a ssemblies that have depleted beyond their useful working life may be returned to authorized re ci pients using a source cha nger authorized[...]

MAN-027-May 2007 Sales SENTINEL™ QSA Global, Inc. 6765 Langley Drive Baton Rouge, Louisiana 70809 USA Telephone + 1 225 751 5893 Toll Free + 1 800 225 1383 Fax + 1 225 756 0365 or + 1 225 751 8082 Manufacturing SENTINEL™ QSA Global, Inc. 40 North Avenue, Burlington, Massachusetts 01803 USA Telephone + 1 781 272 2000 Toll Free + 1 800 815 1383 F[...]