TECHNICAL MANUAL OPERATOR, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST) FOR

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1 *TM &P-12 TECHNICAL MANUAL OPERATOR, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST) FOR WATER PURIFICATION BARGES (NSN ) COMMUNICATIONS SYSTEM This technical manual is an authentication of the manufacturer's commercial literature and does not conform with the format and content requirements normally associated with the Army technical manuals. This technical manual does, however, contain all essential information required to operate and maintain the equipment Approved for public release; distribution Is unlimited. *This manual supersedes TM &P-12, 30 January 1989 HEADQUARTERS, DEPARTMENT OF THE ARMY 15 OCTOBER 1992

2 *TM &P-12 TECHNICAL MANUAL NO &P-12 HEADQUARTERS DEPARTMENT OF THE ARMY, WASHINGTON D. C., 15 OCTOBER 1992 TECHNICAL MANUAL OPERATORS', UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST) FOR WATER PURIFICATION BARGES (NSN ) COMMUNICATIONS SYSTEM REPORTING 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 located in the back of this manual direct to: Commander, US Army Troop Support Command, ATTN AMSTR-MMTS, 4300 Goodfellow Blvd, St. Louis, MO A reply will be furnished directly to you. Approved for public release; distribution is unlimited * Supersedes TM &P-12, 30 January, 1989 A/(B blank)

3 TABLE OF CONTENTS CHAPTER 1 INTRODUCTION Purpose Scope Radio communications equipment Army radio Commercial marine radios Walkie-talkies Foghorn equipment Telephone system Warranties and guarantees Maintenance forms and records Destruction of Army materiel to prevent enemy use Storage CHAPTER 2 RADIO COMMUNICATIONS SYSTEM Section I Description and data Description Capabilities Army radio Commercial marine radios Walkie-talkies Special limitations Performance characteristics Equipment specifications Items furnished Items required but not furnished Tools and test equipment Section II Description of operation General Receiving radio messages Transmitting radio messages i

4 Section III Operating Instructions Operating controls and indicators Prestart procedures Operating procedures Army radio Commercial marine radios Walkie-talkies Shutdown procedures Army radio Marine radio Walkie-talkies Operation under extreme conditions Section IV Maintenance Instructions General Maintenance concept Maintenance Instructions Preventive maintenance checks and services Troubleshooting Army radio Commercial marine radios Walkie-talkies General maintenance Cleaning Fuse replacement Indicator lamps Cable replacement Equipment Army radio Commercial marine radios Walkie-talkies Battery charger ii

5 Section V Storage Short-term storage Administrative storage Long-term storage Section VI Manufacturers' service manuals/instructions General Section VII Manufacturers' warranties/guarantees General CHAPTER 3 FOGHORN EQUIPMENT Section I Description and data Description Capabilities Special limitations Performance characteristics Equipment specifications Items furnished Items required but not furnished Tools and test equipment Section II Description of operation Section III Operating Instructions Operating controls and indicators Prestart procedures Operating procedures Shutdown procedure Operation under extreme conditions iii

6 Section IV Maintenance Instructions General Maintenance concept Maintenance Instructions Preventive maintenance checks and services Troubleshooting Maintenance procedures General maintenance Equipment maintenance Foghorn remote control assembly circuit test Foghorn remote control assembly switch replacement Regulator converter assembly replacement Foghorn replacement Section V Storage Short-term storage Administrative storage Long-term storage Section VI Manufacturers' service manuals/instructions General Section VII Manufacturers' warranties/guarantees General CHAPTER 4 TELEPHONE SYSTEM Section I Description and data Description iv

7 4-2 Capabilities Special limitations Performance characteristics Equipment specifications Items furnished Items required but not furnished Tools and test equipment Section II Description of operation General Paging from system operator to crew personnel Paging from crew personnel to system operator Two-way communications between crew personnel Section III Operating Instructions Operating controls and indicators Prestart procedures Operating procedures Talking with telephone station from operator station in dayroom Talking with system operator from crew telephone station Talking between telephone stations Shutdown procedures Operation under extreme conditions Section IV Maintenance instructions General Maintenance concept Maintenance procedures Preventive maintenance checks and services v

8 4-17 Troubleshooting Maintenance procedures General maintenance Equipment maintenance Handset station (desk telephone) Handset adapter module Indoor speaker monitor Station selector box assembly Power control module and power amplifier Headset Headset station Strobe light Station buzzer Electrical wiring and cables Section V Storage Short-term storage Administrative storage Long-term storage Section VI Manufacturers' service manuals/instructions General Section VII Manufacturer's warranties/guarantees General LIST OF APPENDICES A REFERENCES... A-1 B MANUFACTURERS' SERVICE MANUALS/INSTRUCTIONS... B-1 C PREVENTIVE MAINTENANCE CHECKS AND SERVICES... C-1 vi

9 NOTE The following appendices, common to all TM's in this series, are in TM &P-18 MAINTENANCE ALLOCATION CHART (MAC) TOOLS AND TEST EQUIPMENT LIST (TTEL) EXPENDABLE /DURABLE SUPPLIES AND MATERIALS LIST (ESML) REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL) REPAIR PARTS LIST TO FIGURE NUMBER CROSS-REFERENCE LIST NOTE The following appendices, common to all TM's in this series, are in TM &P-20. COMPONENTS OF END ITEM LIST (COEIL) AND BASIC ISSUE ITEMS LIST (BIILL) ADDITIONAL AUTHORIZED ITEMS LIST (AAL) Figure LIST OF ILLUSTRATIONS 1-1 Barge Major Components Radio Communications System Major Components Army Radio Equipment Interface Marine Radio Equipment Interface Walkie-Talkie Equipment Interface Army Radio Power Supply PP-6224 A/U Controls and Indicators (Barge 1) Army Radio Power Supply PP-2953/U Controls and Indicators (Barges 2 and 3) Army Radio Controls and Indicators Marine Radio Controls and Indicators Walkie-Talkie Battery Charger Controls and Indicators Walkie-Talkie Controls and Indicators Replacement of Crimped Terminals Foghorn Major Component Location Foghorn Wiring Diagram Telephone System Major Component Location Telephone Station Selector Box Controls System Operator Telephone Handset Station Telephone Headset Controls and Plug Telephone Headset Station Telephone Speaker Station Selector Switch vii

10 LIST OF ILLUSTRATIONS Figure 4-8 Schematic Diagram, Model M3116, Power Control Module Schematic Diagram, Model M3131, Power Amplifier Schematic Diagram, Model M3141, Headset Station LIST OF TABLES Table 2-1 Radio Communications System Major Components Frequency/Channel Chart for Commercial Marine Radios in USA Commercial Marine Radio Troubleshooting VHF/FM Marine Handheld Transceiver Troubleshooting Foghorn Major Components Foghorn Equipment Troubleshooting Telephone System Major Components Circuit Breaker Safety Guide Telephone System Troubleshooting viii

11 CHAPTER 1 INTRODUCTION 1-1 Purpose. This Technical Manual (TM) describes the operation and maintenance of the communications system on Water Purification Barges. Information on other systems Installed onboard is in TM P-1 thru P-11 and P-13 thru P-18. TM P-18 and TM &P-20 contain appendices common to all TM's. Location of major barge components is shown in Figure Scope. The communications system consists of three separate communications methods. These include radio communications equipment, foghorn, and Intercom telephones, which are briefly described as follows Details are In Chapters 2 thru Radio communications equipment. This equipment, located In the barge dayroom and cabin of the workboat, consists of a type ANNRC-46 High Frequency (HF) Frequency Modulation (FM) Army issue radio (hereafter called the HF/FM Army radio), a Very High Frequency/Frequency Modulation (VHF/FM) commercial marine radio, and Ultra High Frequency (UHF) FM handheld walkie-talkie transceivers Army radio. The HF/FM Army radio provides communications with other stations equipped with radio frequencies reserved for military (primarily US Army) use This radio enables the barge to communicate with Its towing vessel, other military support vessels, military shore-based radio stations, and military aircraft. Transmission distance is normally 25 miles or less Commercial marine radios. These provide VHF/FM radio communications between workboat and barge and between workboat or barge and other vessels equipped with radios working these same channel frequencies. Transmission distance is normally 25 miles or less Walkie-talkies. These preset, crystal-controlled, hand-held, nickel cadmium (n-cad) battery-powered portable radios can be preset to the same frequencies available on commercial marine radio channels. They provide VHF/FM communications between crew personnel onboard, between shore and crew personnel, and between crew personnel on workboat and barge. Transmission distance is normally 5 miles or less NOTE Under U.S. Federal Communications Commission (FCC) regulations, commercial marine ship radio and walkie-talkie stations, operating in U.S. and adjacent waters, are primarily reserved for safety of life and property. Therefore, distress and safety communications have absolute priority. Those frequencies not reserved for calling, distress or other safety purposes, however, may be used for radio telephone calls to coast stations or between ships. Operation of radios using military frequencies is controlled by Army Standard Signal Instructions (SSI) and Signal Operating Instructions (SOI). Extracts of necessary portions of these documents are obtained from Army unit to which the barge is attached or assigned Foghorn equipment. This equipment sounds the foghorn to warn oncoming vessels of barge location during poor visibility Telephone system. This system provides Intercommunications between dayroom system operator and crewmembers at any telephone station on the barge. Telephone stations provide jack receptacles for connecting a headset. By using dayroom telephone equipment, operator can page and communicate with personnel at any telephone station. When on line with operator, crewmembers at telephone stations can communicate with operator or crewmembers plugged into other stations 1-3 Warranties and guarantees. Manufacturers' warranty/guarantee information is in Section VII In Chapters 2 thru Maintenance forms and records. These are explained in DA PAM , The Army Maintenance Management System (TAMMS) 1-5 Destruction of Army materiel to prevent enemy use. This shall be as directed In TM Storage. For storage of this equipment, refer to Section V in Chapters 2 thru 4 1-1

12 Figure 1-1. Major Components of ROWPU Barge Systems and Equipment - Deckhouse Roof (Sheet 1 of 3) 1-2