Operation Manual - Industrial Nuclear Company

1 Operation Manual CAUTION. RADIOACTIVE. '".. MATERIAL. YPE BfU) PA KAGE. 2916 ". Model ffilOO. Portable Gamma Ray Exposure System Warning Do NOT unpack, assemble, operate, disassemble. or carry this device unless properly utilizing the required/appropriate radiation monitoring instrumentation. I" ". I I I ". Industrial Nuclear CO., INC. Table of Contents Description General 1. Exposure Device 1. Source Tube Assembly 1. Control Assembly 1. Principles of Operation 2. Specifications 2. Manufacturer-Supplied Equipment and Recommended Accessories 2. Recommended Safety Precautions General 3. Radiation Measuring Instruments 3. Working Distance 3. Exposure Time 3. Shielding 3. Hand-Carrying 3. Shipping 3. Quality Assurance 3. Damage 3. Unpacking/VVarranty Unpacking 4. Warranty 4. Preparation for Use Attaching Source Tube Assembly 4. Attaching control Assembly 4. Operation 5. Disassembly 6. Maintenance General 6. Control Cable 6. Source Tube 6. Cleaning and Lubrication 6. Source Replacement 6.

2 Service Memo Cleaning and Lubrication 7. Lock Assembly Overhaul 7. DRAWINGS 8. DRAWINGS 9. Description General Source Tube Assembly The Model IR100 Portable Exposure System is an improved SOURCE TUBE - A flexible yellow vinyl covered metallic isotope handling unit developed to provide safe storage and hose consisting of one, two, or three 7 -foot sections accurate remote positioning of Industrial radiographic sources. through which the Source is moved by the Drive Cable. Designed for use with Iridium 192 sources, the System IR100 Control Assembly features maximum operator protection, together with unusual CONTROL UNIT - A unit consisting of a Hand Crank flexibility of application. In use, the equipment positions the assembly, provided with a Cable Reel or Pistol Grip. radioactive source at the end of a long, flexible tube, where its 3600 (panoramic) radiation pattern may be used to full HAND CRANK - A hand-operated crank on the Cable advantage, either for multiple specimen work, of for Reel or Pistol Grip which permits the operator to move circumferential exposure techniques.

3 Positive mechanical control the Source from the Source Shield to its exposure of the source is maintained at all times. position and back again. Sources can be safely replaced or exchanged in the field using TWO DRIVE CABLE HOUSINGS - House the flexible the Models IR-50 and other Approved Source Changer. Drive Cable which mechanically positions the Source. Exposure Device SOURCE ASSEMBLY - 100 curies of Iridium 192 are sealed inside a stainless steel capsule. The capsule is swaged onto a short length of cable. A special fitting at the end of this Source Cable serves to connect the Source Assembly to a Drive Cable. EXPOSURE DEVICE - A stainless steel housing containing 32 pounds (nominal) of depleted uranium (U238). shielding. A curved passage through the depleted uranium allows the passage and storage of the source assembly. CONTROL CABLE CONNECTOR - A special connector on the end of the Control Cable for attaching the Control Cable Assembly to the Exposure Device. 1. CRANK ASSEMBLY.

4 DUST CAP - A protective cover which threads into 2. DRIVE CABLE ASSEMBLY. the Camera Lock Body for storage. 3. DRIVE ASSEMBLY CONNECTOR. DUST CAP STORAGE PLUG HOLDER - A threaded 4. DRIVE CABLE. receptacle in the handle which conveniently holds 5. SOURCE CONNECTOR. the Dust Cap during Operation , when the cap is not 6. RETAINERS. in the Camera Lock Body. 7. CP? 8. REEL ASSEMBLY. SAFETY LATCH PLATE. A blade that is used to capture or release the source assembly. It is located o!" t<?pof the Lock Body. Up indicates capture, down indicates released. SOURCE TUBE CONNECTOR - A built-in connector on the end of the Exposure Device for attaching the Source Tube. SAFETY PLUG - A threaded plug which screws into the Source Tube Connector to seal the passage and prevent movement of the Source during transit. SAFETY PLUG HOLDER - Located in the handle. DOUBLE CHECK ALL PARTS OF DEVICE AND. ACCESSORIES. CAMERA TARGET. CRANK. Expose" . Principles of Operation through the Source Tube for exposure and retracts the The Hand Crank moves the Drive Cable through the Drive Cable encapsulated radioactive Source Pigtail Assembly into the Housings.

5 The Drive Cable connected to the encapsulated storage position. radioactive Source Pigtail Assembly, pushes the Source from its storage position in the Exposure Device Manufacturer Supplied Equipment and Specifications Accessorys SOURCE DATA EQUIPMENT SUPPLIED. (A) Isotope: Iridium 192. (A) Exposure Device. (B) Maximum Storage Strength: 120 curies. (B) Three 7 -foot Source Tube sections. (C) System Meets all , IAEA and (C) Control Unit complete with Control Cable. requirements. RECOMMENDED ACCESSORY EQUIPMENT. SIZE AND WEIGHT (A Iridium 192 Sources (see separate list). (A)Exposure Device: 10-7/8 x 4-1/4 x 9-1/4 inches. (B) SUNey Meter ( Model 2 or 4); Ranges: Camera weight, 53 pounds (nominal). 0-10, 0-100, 0-1000 mr/hr. OPERATING SPECIFICATIONS (C) Dosimeter Range: 0-200 mr/hr. (A) Maximum distance, Exposure Device Control (D) Dosimeter Charger (available on meters). Unit: 25 feet. (E) Exposure Calculator. (B) Distance, Source Shield to exposure position: (F) Source Collimator. 7,14, or 21 feet.)

6 (G) Source Stand 2. Safety Precautions General Hand-Carrying Industrial Nuclear Exposure Devices are designed to afford the Hand-carrying should be limited to operations where absolutely operator maximum protection from radiation. However, necessary. Unnecessary personnel exposures can result from precautions consistent with accepted isotope handling practices hand-carrying the unit close to the body or legs for periods of must be observed at all times. more than one-half hour per person per week. Anyone carrying the unit should wear a dosimeter or film badge on the part of the Radiation Measuring Instruments body nearest to the source. The use of radiation measuring instruments is mandatorv; any handling of exposure devices shall be monitored by proper Shipping radiation detectors. The following are required: Each person authorized by specific license, issued by a cognizant regulatory agency to receive, possess, use, or transfer SURVEY METERS licensed materials, must conform to all applicable regulations.

7 FILM BADGES OR TLD's Quality Assurance (most regulatory agencies allow either) Pursuant to 1 OCFR71, a licensee must establish, maintain, and execute a Quality Assurance Program for his shipping activities. POCKET DOSIMETERS. (required by most regulatory agencies) Damage If damage occurs to the equipment while the source is in ALARMING RATE METERS "Expose" position: (required in the and soon to be required in Canada) (A) Secure the restricted area to a 2 mr/hr. boundary. (B) Follow your Company 's operating and emergency Working Distance procedure instructions. Every precaution should be taken to insure adequate distance between the exposed source and areas accessible to personnel. If damage occurs to the equipment while the source is in Surrounding areas should be surveyed - any areas in which "Safe" position: readings are excessive should be restricted and posted. (See (A) Do not use any damaged equipment until it has Code of Federal Regulation, Title 10 CFR Part 20, Agreement been properly repaired and tested.)

8 States regulations, or Canadian AEC regulations; as applicable.) (B) All camera repairs must be made by the Personnel operating equipment should always work at the manufacturer. maximum possible distance from the source to avoid (C) Ship the loaded camera in its shipping container;. unnecessary or excessive exposure. (The exposure rate varies ensuring that the source is in the "safe" position, inversely with the square of the distance from the source.) with the safety plug and the dust cap in place;. and, that the surcace reading does not exceed Exposure Time 200 mr/hr. Use the proper labeling in accordance Maximum radiation doses have been specified by the with the requirements of 49 CFR. (See Code of Federal Regulations, Title 10, , Part states regulations, or canadian regulations.) Warning Maximum doses, however, should be avoided wherever Tampering with or altering of this device is prohibited and will possible. void its warranty. It is strongly recommended that only INC manufactured and/or Shielding approved accessories (control cables, etc.

9 Be used with the Wherever possible, the Control Unit and operating personnel IR100 exposure device in order to minimize the possibility of should be positioned behind a shield. Shielding materials safety-related problems. commonly used to absorb or reduce radiation are concrete, iron, steel, and lead. Tungsten collimators may also be used to absorb or reduce radiation. 3. Unpacking/Warranty Warning Warranty Do NOT unpack assemble, operate, disassemble or carry Industrial Nuclear Company uses reasonable precautions to this device unless properly utilizing the required/ appropriate insure that all merchandise is free from defects and is accurate radiation monitaring instrumentationr. Read Section 2, to specifications and warrants only that its merchandise is free "Recommended Safety Precautions, " thoroughly before from defects in materials and workmanship. Industrial Nuclear proceeding. Company 's warranty on the materials and workmanship, employed in its equipment, extends for a period of 12 months Unpacking from the date of shipment for the IR-1 00, and for a period of 1.

10 The model IR100 Portable Exposure System is shipped in a month from the date of shipment for the control and source tube metal drum; with the controls and accessories shipped in a assemblies; but there is no warranty if such equipment is not cardboard container. Inspect all shipping containers for any operated and maintained in accordance with the instructions external signs of damage. Open containers and remove the provided by Industrial Nuclear Company . Industrial Nuclear contents. Company 's liability, under the aforesaid warranty, is limited to replacing or repairing, at its own plant, such of the above Remove from cardboard container: defects as are reported within the applicable warranty period. (A) Control Unit with attached Control Cable. (B) Three 7 -foot Source Tube sections. Remove from metal drum: (C) Exposure Device. Examine all items for damage. Check all items against packing list. Preparation for Use Warning Caution Do NOT assemble this device unless properly utilizing the Layout Source Tube sections as straight as possible, avoiding required radiation monitaring instruments.