TM 11-6665-227-12 TECHNICAL MANUAL OPERATOR’S AND ...

1 TM 11-6665-227-12 . TECHNICAL MANUAL . O P E R A T O R ' S A N D O R G A N I Z A T I O N A L M A I N T E N A N C E. M A N U A L. C A L I B R A T O R S E T , R A D I A C A N / U D M - 2. N S N 6 6 6 5 - 0 0 - 1 7 9 - 9 0 3 7. This copy is a reprint which includes current pages from Changes 1. through 4. H E A D Q U A R T E R S , D E P A R T M E N T O F T H E A R M Y. JUNE 1975. SR- Y 90. RADIOACT IVE M AT ERIAL S EXIST IN CALIBRAT O R SET , RADIAC AN/ UDM -2. Radiation Hazard Information: THE FOLLOWING RADIATION HAZARD INFORMATION MUST BE READ AND. UNDERSTOOD BY ALL PERSONNEL BEFORE OPERATING THE AN/UDM-2. HAZARDOUS RADIOACTIVE. MATERIALS ARE PERMANENTLY INSTALLED IN THE AN/UDM-2. REFER TO PARAGRAPHS 1-11, 3-1, AND 4-1. AND TO APPENDIX A FOR INFORMATION ON HANDLING, STORAGE, AND DISPOSAL OF RADIOACTIVE.

2 MATERIALS. THE FOLLOWING PRECAUTIONARY MEASURES MUST BE OBSERVED, IN ADDITION TO THOSE IN. TB 11-6665227-12. 1. NEVER PEER DIRECTI,Y INTO THE ACCESS HOLE WHILE THE TOP COVER IS SWUNG AWAY. 2. NEVER POKE AROUND INTO THE ACCESS HOLD WITH ANY SHARP-POINTED OBJECTS. 3. THE AN/UDM-2 WILL BE USED ONLY UNDER THE DIRECTION OF A RADIOLOGICAL. PROTECTION OFFICER. TM 11-6665-227-12 . C5. CHANGE HEADQUARTERS. DEPARTMENT OF THE ARMY. No. 5 Washington, DC, 1 September 1987. OPERATOR'S AND organizational . MAINTENANCE MANUAL . CALIBRATOR SET, RADIAC AN/UMD-2. (NSN 6665-00-179-9037). TM 11-6665-227-12 , 13 June 1975, is changed as follows: 1. Remove old pages and insert new pages as indicated below. New or changed material is indicated by a vertical bar in the margin of the page.

3 Added or revised illustrations are indicated by a vertical bar adjacent to the identification number. Remove pages Insert pages i/(ii and ii 1-1 through 1-6 ..1-1 through 1-6. 2-1 and and 2-2. 3-1 through 3-4 .. 3-1 through 3-4. None .. ( blank). 3-13 and and 3-14. 4-1 through 4-4 ..4-1 through 4-4. A-1/(A-2 blank)..A-1/(A-2 blank). Glossary 1/(Glossary 2 blank). Form NRC-3(6-77) ..Form NRC-(9-84). 2. File this change sheet in the front of the publication for reference purposes. Distribution authorized to the Department of Defense and DOD contractors only for official use or for administration or operational purposes. This determination was made on 19 May 1987. Other requests for this document will be referred to Commander, US Army Communications- Electronics Command and Fort Monmouth, ATTN: AMSEL-MI-P, Fort Monmouth, NJ 07703-5000.)

4 DESTRUCTION NOTICE Destroy by any method that will prevent disclosure of contents or reconstruction of the document. By Order of the Secretary of the Army: CARL E. VUONO. General, United States Army Official: Chief of Staff DILWORTH. Brigadier General, United States Army The Adjutant General DISTRIBUTION: To be distributed in accordance with DA Form 12-36 literature requirements for AN/UDM-2. TM 11-6665-227-12 . C4. Change HEADQUARTERS. No. 4. } DEPARTMENT OF THE ARMY. Washington, DC, 21 May 1982. Operator's and organizational Maintenance MANUAL CALIBRATOR SET, RADIAC AN/UDM-2. (NSN 6665-00-179-9037). TM 11-6665-00-227-12, June 1975, is changed as follows: 1. New or changed material is indicated by a vertical bar in the margin of the page. 2. Remove old pages and insert new pages as indicated below: Remove Insert i/(ii blank).

5 I/(ii blank). 1-1 and 1-1 and 1-2. None .. ( blank). 3-1 through 3-8 ..3-1 through 3-7/(3-8 blank). 3-13 and and 3-14. Appendix (A-2 Blank). Glossary 1. 3. File this change sheet in the front of the publication for reference purposes. By Order of the Secretary of the Army: E. C. MEYER. General, United States Army Official: Chief of Staff ROBERT M. JOYCE. Brigadier General, United States Army The Adjutant General Distribution: To be distributed in accordance with DA Form 12-50, Operator Maintenance requirements for AN/UDM-2. TM 11-6665-227-12 . TECHNICAL MANUAL HEADQUARTERS. DEPARTMENT OF THE ARMY. No. 11-6665-227-12 Washington, DC, 13 June 1975. Operator's and organizational Maintenance MANUAL CALIBRATOR SET, RADIAC AN/UDM-2. (NSN 6665-00-179-9037). REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS.

6 You can help improve this MANUAL . If you find any mistakes or if you know of a way to improve the procedures, please let us know. Mail your letter or DA Form 2028. (Recommended Changes to Publications and Blank Forms) direct to: Commander, US Army Communications-Electronics Command and Fort Monmouth, ATTN: AMSELME-MP, Fort Monmouth, NJ 07703-5000. A reply will be furnished to you. Paragraph Page CHAPTER 1. INTRODUCTION. Section I. General Scope .. 1-1 1-1. Consolidated index of Army publications and blank forms .. 1-2 1-1. Maintenance forms, records, and reports .. 1-3 1-1. Administrative 1-4 1-1. Destruction of Army electronics materiel .. 1-5 1-1. Reporting equipment improvement recommendations (EIR).. 1-6 1-1. Nuclear Regulatory Commission (NRC) requirements.

7 1-1. II. Description and Data Purpose and use .. 1-7 1-3. TECHNICAL 1-8 1-3. Items comprising an operable Calibrator Set, Radiac AN/UDM-2 .. 1-9 1-3. Description of Calibrator Set, Radiac 1-10 1-3. Precautions .. 1-11 1-8. CHAPTER 2. INSTALLATION. Unpacking .. 2-1 2-1. Checking unpacked 2-2 2-1. Preparation for 2-3 2-1. CHAPTER 3. OPERATING INSTRUCTIONS. General .. 3-1 3-1. Controls and indicators .. 3-2 3-1. Calibration 3-3 3-2. Dosimeter checking .. 3-4 3-3. Calibrating Radiacmeter IM-174(*)/PF .. 3-5 3-3. Calibrating Radiac Set AN/PDR-27(*).. 3-6 3-13. Calibrating Radiac Set 3-7 3-13. Checking Aerial Radiac System AN/ADR-6 .. 3-8 3-14. CHAPTER 4. MAINTENANCE INSTRUCTIONS. Scope of maintenance .. 4-1 4-1. Tools and equipment required .. 4-2 4-1. Preventive 4-3 4-1.

8 Preventive maintenance checks and services (PMCS) .. 4-4 4-1. Cleaning and touchup painting instructions .. 4-5 4-2. Troubleshooting .. 4-6 4-3. Change 5. i TM 11-6665-227-12 . APPENDIX A. A-1. B. BASIC ISSUE ITEMS LIST (BIIL) AND ITEMS TROOP INSTALLED OR AUTHORIZED. LIST (ITAL) (Not applicable). C. MAINTENANCE ALLOCATION. Section I. Introduction .. C-1. II. Maintenance allocation chart .. C-3. GLOSSARY .. Glossary 1. Change 5 ii TM 11-6665-227-12 . TECHNICAL MANUAL HEADQUARTERS. No. 11-6665-227-12 } DEPARTMENT OF THE ARMY. WASHINGTON, DC, 13 June 1975. Operator's and organizational Maintenance MANUAL CALIBRATOR SET, RADIAC AN/UDM-2. (NSN 6665-00-179-9037). Paragraph Page CHAPTER 1. INTRODUCTION. Section 1. General Scope .. 1-1 1-1. Index of TECHNICAL publications.

9 1-1 1-1. Maintenance forms, records, and reports .. 1-3 1-1. Administrative 1-4 1-1. Destruction of Army electronics materieI .. 1-5 1-1. II. Reporting of errors .. 1-6 1-1. Reporting equipment improvement recommendations (EIR).. 1-1. Nuclear Regulatory Commission (NRC) requirements .. 1-1. Description and data Purpose and use .. 1-7 1-3. TECHNICAL 1-8 1-3. Items comprising an operable Calibrator Set, Radiac AN/UDM-2 .. 1-9 1-3. Description of Calibrator Set, Radiac 1-10 1-3. Precautions .. 1-11 1-8. CHAPTER 2. INSTALLATION. Unpacking .. 2-1 2-1. Checking unpacked 2-2 2-1. Preparation for 2-3 2-1. CHAPTER 3. OPERATING INSTRUCTIONS. General .. 3-1 3-1. Controls and indicators .. 3-2 3-1. Dosimeter checking .. 3-3 3-2. Calibrating Radiacmeter IM-174(*) 3-4 3-6.

10 Calibrating Radiac Set AN/PDR-27(*).. 3-5 3-8. Calibrating Radiac Set 3-6 3-14. Checking Aerial Radiac System AN/ADR-6 .. 3-7 3-14. CHAPTER 4. MAINTENANCE INSTRUCTIONS. Scope of maintenance .. 4-1 4-1. Tools and equipment required .. 4-2 4-1. Preventive maintenance .. 4-3 4-1. Preventive maintenance checks and services (PMCS) .. 4-4 4-1. Cleaning and touchup painting instructions .. 4-5 4-2. Troubleshooting .. 4-6 4-3. APPEDIX A. A-1. B. BASIC ISSUE ITEMS LIST (BIIL) AND ITEMS TROOP INSTALLED OR AUTHORIZED. LIST (ITAL) (Not applicable). C. MAINTENANCE ALLOCATION. Section I. Introduction .. C-1. II. Maintenance allocation chart .. C-3. GLOSSARY .. Glossary 1. Change 4 i/(ii blank). TM 11-6665-227-12 . CHAPTER 1. INTRODUCTION. Section I. General 1-1. Scope 1-5. Destruction of Army Electronics Materiel a.