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1、TO 31R4-2GRA6-31 TM 11-5820-489-10 NSN 5820-00-644-4554 TM 11-5820-489-10 TO 31R4-2GRA6-31 HIGH VOLTAGE is used in the operation of this equipment. DEATH ON CONTACT may occur if person operating this equipment fails to obey safety precautions. Do not be mislead by The Term LOW VOLTAGE. Voltage as lo
2、w as 90 volts may cause DEATH under certain conditions. TRICHLOROTRIFLUOROETHANE Adequate ventilation should be provided while using TRICHLOROTRIFLUOROETHANE. Prolonged breathing of vapor should be avoided. The sol- vent should not be used near heat or open flame; the products of decomposition are t
3、oxic and ir- ritating.Since TRICHLOROTRIFLUOROETHANE dissolves natural oils, prolonged contact with skin should be avoided. When necessary, use gloves which the solvent cannot penetrate. If the solvent is taken internally, consult a physician immediately. A/(B BLANK TECHNICAL MANUAL NO. 11-5820-489-
4、10 TECHNICAL ORDER TO 31R4-2GRA6-31 DEPARTMENTS OF THE ARMY AND THE AIR FORCE Washington, DC, 23 November 1983 OPERATORS MANUAL CONTROL GROUP AN/GRA-6 (NSN 5820-00-644-4554) REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS You can help improve this manual. If you find any mistakes or if you know of a
5、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: DRSEL-ME-MP, Fort Monmouth, New Jersey 07703. For Air Force, submit AF
6、TO Form 22 (Technical Order System Publication Improvement Report and Reply) in accordance with paragraph 6-5, Sec- tion VI, TO 00-5-1. Forward direct to prime ALC/MST. In either case, a reply will be furnished direct to you. HOW TO USE THIS MANUAL . . . . . . . . . . . . . . . . . . . . . . . . . .
7、 . . . . . . . . . . . . . . iii TABLE OF CONTENTS PAGE CHAPTER 1 Section I INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-0 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Scope . . . . . . . . . . . . . . . . . . .
8、 . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Maintenance Forms, Records and Reports. . . . . . . . . . . . . . . 1-1 Reporting Equipment Improvement Recommendations (EIR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Nomenclature Cross-Reference List . . . . . . . . . . . . . .
9、 . . . . . . 1-1 List of Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Hand Receipt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Equipment Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2 P
10、urpose, Capabilities and Features . . . . . . . . . . . . . . . . . . . . 1-2 Description of Major Components . . . . . . . . . . . . . . . . . . . . . . 1-3 Differences Between Models . . . . . . . . . . . . . . . . . . . . . .1-6 Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . .
11、 . . . . . . . .1-6 II Ill *This manual supersedes so much of TM 11-5038, 18 April 1951, including all Technical Principles of Operation. . . . . . . . . . . . . . . . . . . . . . 1-8 Arrangement of Local Control to Remote Control. . . . . . .1-8 changes as pertains to operator maintenance. i TM 11-
12、5820-489-10 PAGE To 31R4-2GRA6-31 TABLE OF CONTENTS - Continued CHAPTER 2OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . 2 - 0 2 - 1 Description and use of Operators Controls and Indicators . . . . . . . . . . . . . Panel Controls and Facilities . . . . . . . . . . . . . . . . . Section I 2 -
13、 1 Preventive Maintenance Checks and Services . . . . . . . . . . General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preventive Maintenance Checks and Services Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section II 2 - 8 2 - 8 2 - 8 Assembly and
14、Preparation for Use . . . . . . . . . . . . Initial Adjustments, Daily Checks and Self- Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Procedure . . . . . . . . . . . . . . . . . . . . . . . . 2-13 2-13 Section III 2-24 2-27 Section IVOperation Under Unusual C
15、onditions General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operation in Arctic Climates . . . . . . . . . . . . . . . . . Operation in Tropical Climates . . . . . . . . . . . . . . . Operation in Desert Climates. . . . . . . . . . . . . . . . . 2-38 2-38 2-38 2-38 2-
16、38 CHAPER 3 Section I MAINTENANCE INSTRUCTIONS . . . . . . . . . . . . . 3 - 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1 3 - 1Troubleshooting Information . . . . . . . . . . . . . . . . . Section IIMaintenance Procedures . . . . . . . . . . . . . . . . . . . . Introduction . . . .
17、. . . . . . . . . . . . . . . . . . . . . . . . . . . Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removal and Replacement. . . . . . . . . . . . . . . . . . . Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1 3 - 1 3 - 1 3 - 3 3 - 4 APP
18、ENDIX A B REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LISTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Componentsof En
19、d Item . . . . . . . . . . . . . . . . . . . . . . . . . Basic Issue Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ADDITIONAL AUTHORIZATION LIST . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Additional Authori
20、zation List . . . . . . . . . . . . . . . . . . . . . EXPENDABLE SUPPLIES AND MATERIALS LIST . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Expendable Supplies and Materials List . . . . . . . . . . . . A-1 B-1 B-1 B-2 B-3 C-1 C-1 C-1 D-1 D-1 D-2
21、 Section l II IlI APPENDIX C Section I II APPENDIX D Section l II ii iii G G G G G G G TM 11-5820-489-10 TO 31R4-2GRA6-31 HOW TO USE THIS MANUAL THIS MANUAL TELLS ABOUT THE TYPICAL ARRANGEMENTS OF CONTROL GROUP AN/GRA-6. ALL THE PROCEDURES IN THIS MANUAL MUST BE EXAMINED BEFORE YOU BEGIN ANY TASK. T
22、HROUGHOUT THIS MANUAL COLOR CODED MARGIN TABS WILL GUIDE YOU TO THE SECTION THAT CONTAINS THE SPECIFIC INFORMATION YOU NEED. THIS MANUAL IS ORGANIZED INTO CHAPTERS, SECTIONS, PARAGRAPHS AND ILLUSTRATIONS, WHICH ARE NUMBERED TO HELP YOU FIND INFORMATION ABOUT YOUR EQUIPMENT QUICKLY AND EASILY. COLOR
23、IS USED TO EMPHASIZE KEY POINTS. UNFAMILIAR WORDS WILL BE EXPLAINED AT THE BEGINNING OF EACH CHAPTER. THE SUBJECT INDEX IN THE BACK OF THE MANUAL WILL HELP YOU FIND INFORMATION QUICKLY. TM 11-5820-489-10 TO 31R4-2GRA6-31 CHAPTER 1 INTRODUCTION Abbreviations . . . . . . . . . . . . . . . . . . . . .
24、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2 Arrangement of Local Control to RemoteControl . . . . . . . . . . . . . . . . . . . . . . . 1-8 Differences between Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6 Hand Receipt . . . . . . . . . . . .
25、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2 Maintenance Forms, Records and Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1 MajorComponents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3 No
26、menclature Cross-Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1 Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6 Purpose, Capabilities, and Features . . . . . . . . . . . . . . . . . . . . . . . . .
27、. . . . . .1-2 Reporting Equipment Improvement Recommendations . . . . . . . . . . . . . . . . . 1-1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1 REMOTE CONTROL C-433/GRC BAG CW-189/GRC LOCAL CONTROL C-434/GRC 1-0 TM 11-5820
28、-489-10 CHAPTER 1TO 31R4-2GRA6-31 INTRODUCTION Section I. GENERAL INFORMATION 1-1. SCOPE This manual describes Control Group AN/GRA-6. The manual covers the operation and Operators maintenance procedures. 1-2. MAINTENANCE FORMS AND RECORDS Department of the Army forms and procedures used for equipme
29、nt maintenance will be those prescribed by TM 38-750, The Army Maintenance Management System (TAMMS). 1-3. REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR) a. Army. If your AN/GRA-6 needs improvement, let us know. Send us an EIR. You, the user are the only one who can tell us what you dont like
30、 about your equip- ment. Let us know why you dont like the design. Put it on an SF 368 (Quality Defi- ciency Report). Mail it to Commander, US Army Communications-Electronics Com- mand and Fort Monmouth, ATTN: DRSEL-ME-MP, Fort Monmouth, New Jersey 07703. Well send you a reply. b. Air Force. Air For
31、ce personnel are encouraged to submit ElRs in accordance with AFR 900-4. 1-4. NOMENCLATURE CROSS-REFERENCE LIST Common names will be used when the major components of the Control Group are mentioned in this manual. COMMON NAME Control Group . . . . . . . . . . . . . . . . . . . . . . Local Control .
32、 . . . . . . . . . . . . . . . . . . . . . Remote Control . . . . . . . . . . . . . . . . . . . . Handset . . . . . . . . . . . . . . . . . . . . . . . . . . . Bag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mounting
33、. . . . . . . . . . . . . . . . . . . . . . . . . . Interconnecting Box . . . . . . . . . . . . . . . . Loudspeaker . . . . . . . . . . . . . . . . . . . . . . . Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . Container . . . . . . . . . . . . . . . . . . . . . . . . . . Generator .
34、. . . . . . . . . . . . . . . . . . . . . . . . Multimeter. . . . . . . . . . . . . . . . . . . . . . . . . NOMENCLATURE Control Group AN/GRA-6 Local Control C-434/GRC Remote Control C-433/GRC Handset H-33/PT Bag CW-189/GRC Wire WD-1/TT Mounting MT-297/GR or Mounting MT-298/GR Interconnecting Box J-
35、654/G Loudspeaker, Dynamic LS-166/U Battery, Dry BA-30 or Battery, Dry BA-414/U Container for Interconnecting B0X J-654/G Generator G-25/PT Multimeter AN/URM-105 1-1 TM 11-5820-489-10 TO 31R4-2GRA6-31 NOTE Nomenclature MUST be used when filling out report forms or looking up Technical Manuals. 1-5.
36、LIST OF ABBREVIATIONS Abbreviations are spelled out the first time they appear in this plete list of abbreviations used in this manual is given below. manual. A com- AAL . . . . . . . . . . . . . . . . . . . . . . . . . . . .Additional Authorization List ac . . . . . . . . . . . . . . . . . . . . .
37、. . . . . . . . .alternating current BII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Basic lssue ltems COEI . . . . . . . . . . . . . . . . . . . . . . . . . . .Components of End Item dc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . direct current FSCM . . . . . . . . . .
38、 . . . . . . . . . . . . . . . . .Federal Supply Code of Manufacturer Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hertz o/a . . . . . . . . . . . . . . . . .Overall PMCS . . . . . . . . . . . . . . . . . . . . . . . . . . .Preventive Maintenance Checks and Services rpm. . . . . . .
39、 . . . . . . . . . . . . . . . . . . . . . .revolutions per minute u/m . . . . . . . . . . . . . . . . . . . . . . . . . . . . .unit of measure 1-6. HAND RECEIPT This manual has a companion document with aTM number followed by -HR” (which stands for Hand Receipt). TM 11-5820-489-10-HR consists of pr
40、eprinted hand receipts (DA Form 2062) that list end item related equipment (i.e., COEI, Bll, and AAL) you must account for. As an aid to property accountability, additional -HR manuals may be requisitioned from The US Army Adjutant General Publications Center, Baltimore, MD, in accordance with the p
41、rocedures in Chapter 3, AR 310-2, and DA PAM 310-10-2. Section Il. EQUIPMENT DESCRIPTION 1-7. PURPOSE, CAPABILITIES AND FEATURES G G G G G G G G G 1-2 Used to control and operate a radio set For listening and talking, can use one or two receiver-transmitters, amplifiers or similar push-to-talk types
42、 of equipment Transmission range about 2 miles (300 to 4000 Hz frequency) Small, portable, lightweight, fungi proof Continuous dc circuit Two-way telephone communication with ringing Uses two-wire telephone line Can be used under bad weather conditions Auxiliary components: G Push-to-talk type hands
43、et G 1 set running spares G Interconnecting BoxG large waterproof carrying bag 1-3 1-8. DESCRIPTION OF MAJOR COMPONENTS a. Control Group AN/GRA-6 Remote Control Handsets Bag Carrying strap Interconnecting Box TM 11-5820-489-10 TO 31R4-2GRA6-31 Permits local selection of telephone opera- tion or push
44、-to-talk operation. Permits field telephone operation connec- tions with local control up to a 2 mile range Used for transmitting and receiving voice signals. Used to contain Control Units, Handset, and running spare parts when not in use. For use in carrying Remote Control Unit. Used when Handset a
45、nd Loudspeaker are needed at the same time. TM 11-5820-489-10 TO 31R4-2GRA6-31 b. Remote Control Outer Case Battery Compartment Cover (under case) “D” rings Front Panel Waterproof, houses panel and chassis. Provides access to area that contains bat- teries. These hold shoulder strap for carrying pos
46、i- tion. In carrying position, operating controls of front panel face upward. Contains controls and instruments for opera- tion. c. Local Control Front Panel Channel or Mounting runners Outer Case Connector Contains controls and instruments for opera- tion. Allows Local Control to be mounted for plu
47、g- in connection to radio sets using mounting. Waterproof, houses panel and chassis. Plugs into a mating connector on a mounting radio set to establish an electrical connec- tion between Control Unit and radio set (see rear view). 1-4 TM 11-5820-489-10 TO 31R4-2GRA6-31 o 5 Cable Compartment Cover La
48、tch o 6 Cable Assembly o 7 Cable Compartment Cover o 8 Cap Retainer Chain o 9 Cap o 10 Cap Retaining Bracket d. Handset A means to control opening and closing of cable compartment cover. Means for establishing electrical connections between Control Unit and radio sets. Provides access to area that c
49、ontains cable assembly. An aid to preventing loss of cap. Used for the protection of connector plug when not in use. Used to hold the cap when the connector is being used. Push-to-talk switch is used to provide voice communication. Push switch to talk and release switch to listen. e. Interconnecting box Plug Connector Receptacle Connectors When plugged into Remote Control, provides extra electrical power to extension. Needed when Loudspeaker and Handset are used at the same time. 1-5 TM 11-5820-489-10 TO 31R4-2GRA6-31 1-9. DIFFERENCES B
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