OE-254_antenna_serv_user_TM11-5985-357-13_1991.pdf

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1、TM 11-5985-357-13 TECHNICAL MANUAL OPERATORS, ORGANIZATIONAL, AND DIRECT SUPPORT MAINTENANCE MANUAL FOR ANTENNA GROUP OE-254/GRC (NSN 5985-01-063-1574) This publication is required for official use or for administrative or operational purposes only. Distribution is limited to US Government Agencies.

2、 Other request for this document must be referred to Commander, US Army Communications-Electronics Command and Fort Monmouth, New Jersey 07703-5000. DESTRUCTION NOTICE - Destroy by prevent disclosure of contents or document. any method that will reconstruction of the HEADQUARTERS, DEPARTMENT OF THE

3、ARMY 1 FEBRUARY 1991 TM 11-5985-357-13 WARNING A hazardous condition exists during antenna erection and disassembly. Fatal injuries have been attributed to the pointed ends of the exposed antenna elements. Take the following precautions: Attach antenna tip caps to all exposed elements of the OE-254.

4、 Secure the tip caps with waterproof tape. Until the antenna tip caps have been installed, place a warning signal (Chem light, guard, or other signal) near the antenna elements during assembly, disassembly, or when the antenna elements are within reach, particularly at night. Remove the antenna elem

5、ents if the antenna is lowered and unattended. Put on helmet, safety glasses (NSN 4240-00-052-3776), and gloves before assembly and erection of the OE-254/GRC. A TM 11-5895-357-13 FIXED OPERATION WITH LONG RANGE ANTENNAS WARNING TELESCOPING ANTENNA MAST TYPICAL TOWEREXTENDED RANGE ANTENNA DOUBLET AN

6、TENNA NEVER ERECT THESE LONG RANGE ANTENNAS DIRECTLY UNDER POWER LINES. IF YOU MUST ERECT THESE LONG RANGE ANTENNAS NEAR POWERLINES, POWERLINE POLES OR TOWERS, OR BUILDINGS WITH OVERHEAD POWERLINE CONNECTIONS, NEVER PUT THE ANTENNA CLOSER THAN TWO TIMES THE ANTENNA HEIGHT FROM THE BASE OF THE POWERL

7、INE, POLE, TOWER OR BUILDINGS. NEVER ATTEMPT TO ERECT ANY LONG RANGE ANTENNA WITHOUT A FULL TEAM. BEFORE ERECTING ANY LONG RANGE ANTENNA, INSPECT ALL THE PARTS MAKING UP THE ANTENNA KIT. DO NOT ERECT THE ANTENNA IF ANY PARTS ARE MISSING OR DAMAGED. DO AS MUCH OF THE ASSEMBLY WORK AS POSSIBLE ON THE

8、GROUND. WHEN ERECTING THE ANTENNA, ALLOW ONLY TEAM PERSONNEL IN THE ERECTION AREA. MAKE SURE THAT THE AREA FOR THE ANCHORS IS FIRM. IF THE GROUND IS MARSHY OR SANDY, GET SPECIFIC INSTRUCTIONS FROM YOUR CREW CHIEF OR SUPERVISOR ON HOW TO REINFORCE THE ANCHORS. WHEN SELECTING LOCATIONS FOR ANCHORS, AV

9、OID TRAVELED AREAS AND ROADS. IF YOU CANNOT AVOID THESE AREAS, GET-SPECIFIC INSTRUCTIONS FROM YOUR SUPERVISOR AS TO WHAT CLEAR- ANCE YOUR GUY WIRES AND ROPES MUST HAVE OVER THE TRAVELED AREAS AND ROAD. CLEARLY MARK ALL GUY WIRES AND ROPES WITH THE WARNING FLAGS OR SIGNS SUPPLIED BY YOUR UNIT. IN AN

10、EMERGENCY, USE STRIPS OF WHITE CLOTH AS WARNING STREAMERS. IF YOU SUSPECT THAT POWERLINES HAVE MADE ACCIDENTAL CONTACT WITH YOUR ANTENNA, STOP OPERATING, ROPE OFF THE ANTENNA AREA, AND NOTIFY YOUR SUPERIORS. IF THE WEATHER IN YOUR AREA CAN CAUSE ICE TO FORM ON YOUR LONG RANGE ANTENNA AND ITS GUY WIR

11、ES AND ROPES, ADD EXTRA GUYS TO SUPPORT THE SYSTEM. ROPE OFF THE AREA AND POST IT WITH WARNING SIGNS LIKE BEWARE OF FALLING ICE. DO NOT TRY TO ERECT ANY ANTENNA DURING AN ELECTRICAL STORM. KEEP A SHARP EYE ON YOUR ANCHORS AND GUYS. CHECK THEM DAILY AND IMMEDIATELY BEFORE AND AFTER BAD WEATHER. B TM

12、11-5895-357-13 C/(D blank) *TM 11-5985-357-13 TECHNICAL MA N U A LHEADQUARTERS DEPARTMENT OF THE ARMY NO. 11-5985-357-13 Washington, DC, 1 February 1991 CHAPTER SECTION SECTION CHAPTER OPERATORS, ORGANIZATIONAL, AND DIRECT SUPPORT MAINTENANCE MANUAL ANTENNA GROUP OE-254/GRC (NSN 5985-01-063-1574) RE

13、PORTING ERRORS AND RECOMMENDING IMPROVEMENTS 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, DA Form 2028 (Recommended Changes to Publications and Blank Forms), or DA Form 2028-2 located in back of th

14、is manual direct to: Commander, US Army Communications-Electronics Command and Fort Monmouth, ATTN: AMSELLCLM-LT, Fort Monmouth, New Jersey 07703-5000. In either case, a reply will be furnished direct to you. 1. I. II. 2. TABLE OF CONTENTS Paragraph INTRODUCTION General Scope . . . . . . . . . . . .

15、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1 Consolidated index of Army publications and blank forms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Maintenance forms, records, and reports . . . . . . .

16、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3 Reporting equipment improvement recommendations (EIR) . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Administrative storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17、. . . . . . 1-5 Destruction of Army electronics materiel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6 Description and data Purpose and use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18、 . . . . . 1-7 Page 1-1 1-1 1-1 11 1-1 1-1 1-1 Differences between models . . . . . . . . . . . . . . . . . . . . . . . 1-7.1 1-2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 System application . . . . . . . . . . .

19、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-9 Components of end item . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-10 Tabulated data. . . . . . . . . . . . . . . . . . . . . . . . . .

20、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-11 INSTALLATION AND OPERATING INSTRUCTIONS Service upon receipt of equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1 Systems planning. . . . . . . . . . . . . . . . . . .

21、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2 Positioning baseplate and guy stakes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3 Assembling antenna equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22、 . . . . . . . . . . . . . . . . 2-4 Deleted.2-5 Erection using one person . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Connection to radio set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23、 . . . . . . . . . . 2-7 Moisture proofing mated rf connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Lowering antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 Antenna

24、 stowage/transit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-10 Operation under unusual conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-11 Checking installed OE-254/GRC using Test Set

25、, RF Power AN/URM-182 or AN/URM-182A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-12 1-2 1-3 1-3 1-3 2-1 2-1 2-1 2-2 2-4 2-5 2-7 2-8 2-8 2-9 2-10 2-14 *This manual supersedes TM 11-5985-357-13, 16 August 1978. i TM 11-5985-357-13 TABLE OF CONTENTS-Continu

26、ed CHAPTER CHAPTER CHAPTER CHAPTER APPENDIX Section APPENDIX Section APPENDIX Section Figure 3. 4. 5. 6. A. B. I. II. III. C. D. I. II. III. IV. E. I. II. Paragraph Applying WARNING label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OPERATOR/CREW MA

27、INTENANCE Scope of operators maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Materials required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operator/crew preventive maintenance. . . . . . . .

28、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preventive maintenance checks and services periods. . . . . . . . . . . . . . . . . . . . . . . Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ORG

29、ANIZATIONAL MAINTENANCE Scope of organizational maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Test equipment, tools and materials required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Organizational preventive maintenance chec

30、ks and services . . . . . . . . . . . . . . Touchup painting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Organizational maintenance troubleshooting procedures . . . . . . . . . . . . . . . . . . . . . Organizational troubleshooting . . . . . . . . . . .

31、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FUNCTIONING OF EQUIPMENT General . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

32、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Balun assembly function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DIRECT SUPPORT MAINTENANCE INSTRUCTIONS Scope of direct support maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33、 . . . . . . . . . . Tools, test equipment and materials required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Direct support troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Feedcone disassembly and assembly

34、procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Balun disassembly and assembly procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Final assembly inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35、 . . . . . . . . . REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . COMPONENTS OF END ITEM LIST Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Integral

36、components of end item. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Basic issue items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ADDITIONAL AUTHORIZATION LIST (Not applicable) MAINTENANCE ALLOCATION Introd

37、uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maintenance allocation chart for Antenna Group OE-254/GRC . . . ., . . . . Tool and test equipment requirement for Antenna Group OE-254/GRC . . . . . . . . . Remarks. . . . . . . . . . . . .

38、. . . . . . . . . . . . . . . . . . . . . . . . EXPENDABLE SUPPLIES AND MATERIALS LIST Introduction . . . . . . . . . . . . . . . . . . . . Expendable supplies and materials list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LIST OF ILLUSTRATIONS Title 1-1Antenna Group 0E

39、-254/GRC erected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Antenna Group OE-254/GRC components and running spare parts . . . . . . . . . 2-13 3-1 3-2 3-3 3-4 3-5 4-1 4-2 4-3 4-4 4-5 4-6 4-7 5-1 5-2 6-1 6-2 6-3 6-4 6-5 6-6 . . . . . . . . . . . . . .

40、 . . . . . . . . . . 1-2.1 Antenna Group OE-254/GRC components and running spare parts . . . . . . . . . . . . . . . . . . . . . . . . 1-2.2 Mast and base assembly, AB-1244/GRC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2.3 Mast and base assembly,

41、AB-1244B/GRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1-4 1-5 2-0 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-6 2-7 2-8 2-9 2-10 2-11 2-12 ii System application. . . . . . . . . . . . Antenna Group 0E-254/GRC radiation pattern . . . . . . . . . . . . . . .

42、. . . . . . . . . . . . Antenna AS-3166/GRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WARNING INSTRUCTIONS- to be followed when erecting or lowering antennas. . . . . . . . . . . . . . . . . . . . . . . . Positioning guy stakes . . .

43、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Driving guy stake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Assembling mast . . . . . . . . . . . . . . . . . .

44、. . . . . Attachment of guy hooks to guy plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Guy attachment to ground anchor . . . . . . . . . . . . . . . . . . . . . . . . . Secured guy snubber . . . . . . . . . . . . . . . . . . Removing guy from snubber lock . . . . . . . . . . . .

45、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Secured guy snubber . . . . . . . . . . . . . . . . . . . . . . . . . . Removing guy from snubber lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pulling guy rope taut . . . . . .

46、 . . . . . . . . . . . . . . . . . Connecting insulating extension to feedcone assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Assembling antenna elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Captivating feedcone a

47、ssembly connector cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Secured connector cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2-14 3-1 3-1 3-1 3-1 3-2 4-1 4-1 4-1 4-1 4-2 4-2 4-2 5-1 5-1 6-

48、1 6-1 6-1 6-4 6-4 6-4 A-1 B-1 B-2 B-3 D-1 D-3 D-4 D-5 E-1 E-2 Page 1-0 1-2 1-3 1-4 1-4 1-3 1-4 1-5 1-6 2-2 2-2 2-2 2-2 2-2 2-3 2-3 2-3 2-3 2-3 2-3 2-3 2-4 2-4 TM 11-5985-357-13 LIST OF ILLUSTRATIONSContinued Figure 2-13 2-14 2-15 2-16 2-16 2-17 2-18 2-19 2-20 TitlePage Strain clamp open . . . . . .

49、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4 Strain clamp closed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4 Erecting Antenna Group OE-254/GRC with one person . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 Positioning OE-254/GRC for one person erection