OPERATOR’S, UNIT, INTERMEDIATE DIRECT SUPPORT, AND ...

TM 11-6625-3164-14

TECHNICAL MANUAL

OPERATOR'S, UNIT, INTERMEDIATE DIRECT SUPPORT, AND INTERMEDIATE GENERAL SUPPORT MAINTENANCE MANUAL FOR TEST SET, RADIO FREQUENCY POWER AN/USM-491 (NSN 6625-01-191-7679) (EIC: KD7)

WARNING ? This document contains technical data whose export is restricted by the Arms Export Control Act (Title 22, U. S. C., Sec 2751 et seq) or the Export Administration Act 1979, as amended, Title 50, U.S.C., App. 2401 et seq. Violations of these export laws are subject to severe criminal penalties. Disseminate in accordance with provisions of DOD Directive 5230.25. DISTRIBUTION STATEMENT D ? Distribution authorized to Department of Defense and DoD contractors only to protect critical technical data on systems or hardware. This determination was made Oct 1986. Other requests shall be referred to: Program Manager, TMDE, ATTN: SFAECS-FT-T-TEMOD, Redstone Arsenal, AL 35898-5000. DESTRUCTION NOTICE ? Destroy by any method that will prevent disclosure of contents or reconstruction of the document.

HEADQUARTERS, DEPARTMENT OF THE ARMY 15 SEPTEMBER 1987

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SAFETY STEPS TO FOLLOW IF SOMEONE IS THE VICTIM OF ELECTRICAL SHOCK

DO NOT TRY TO PULL OR GRAB THE INDIVIDUAL IF POSSIBLE, TURN OFF THE ELECTRICAL POWER IF YOU CANNOT TURN OFF THE ELECTRICAL POWER, PULL, PUSH, OR LIFT THE PERSON TO SAFETY USING A DRY WOODEN POLE OR A DRY ROPE OR SOME OTHER INSULATING MATERIAL SEND FOR HELP AS SOON AS POSSIBLE AFTER THE INJURED PERSON IS FREE OF CONTACT WITH THE SOURCE OF ELECTRICAL SHOCK, MOVE THE PERSON A SHORT DISTANCE AWAY AND IMMEDIATELY START ARTIFICIAL RESUSCITATION

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WARNING

HIGH VOLTAGE is used in the operation of this equipment

DEATH ON CONTACT may result if personnel fail to observe safety precautions

Never work on electronic equipment unless there is another person nearby who is familiar with the operation and hazards of the equipment and who is competent in administering first aid. When technicians are aided by operators, they must be warned about dangerous areas.

Whenever possible, the power supply to the equipment must be shut off before beginning work on the equipment. Take particular care to ground every capacitor likely to hold a dangerous potential. When working inside the equipment, after the power has been turned off, always ground every part before touching it.

Be careful not to contact high-voltage connections or 115 volt ac input connections when installing or operating this equipment.

Whenever the nature of the operation permits, keep one hand away from the equipment to reduce the hazard of current flowing through the body.

Warning: Do not be misled by the term "low voltage.." Potentials as low as 50 volts may cause death under adverse conditions.

For Artificial Respiration, refer to FM 4-25.11.

HFE 71 DE is toxic to eyes, skin, and respiratory tract, and decomposes into other hazardous products when exposed to extreme heat. Wear chemical protective gloves and goggles/face shield. Avoid repeated or prolonged contact. Use only in well ventilated areas. If ventilation is not adequate, use approved respirator as determined by local safety/industrial hygiene personnel. Keep away from open flames, welding, or other sources of extreme heat.

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THIS EQUIPMENT CONTAINS PARTS AND ASSEMBLIES SENSITIVE TO

DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). USE ESD PRECAUTIONARY PROCEDURES

WHEN TOUCHING, REMOVING OR INSERTING PRINTED CIRCUIT BOARDS.

ESD CLASS 1

GENERAL HANDLING PROCEDURES FOR ESDS ITEMS

USE WRIST GROUND STRAPS OR MANUAL GROUNDING PROCEDURES KEEP ESDS ITEMS IN PROTECTIVE COVERING WHEN NOT IN USE GROUND ALL ELECTRICAL TOOLS AND TEST EQUIPMENT

PERIODICALLY CHECK CONTINUITY AND RESISTANCE OF GROUNDING SYSTEM USE ONLY METALIZED SOLDER SUCKERS HANDLE ASDS ITEMS ONLY IN PROTECTED AREAS

MANUAL GROUNDING PROCEDURES

MAKE CERTAIN EQUIPMENT IS POWERED DOWN TOUCH GROUND PRIOR TO REMOVING ESDS ITEMS

TOUCH PACKAGE OF REPLACEMENT ESDS ITEM TO GROUND BEFORE OPENING TOUCH GROUND PRIOR TO INSERTING REPLACEMENT ESDS ITEMS

ESD PROTECTIVE PACKAGING AND LABELING

INTIMATE COVERING OF ANTISTATIC MATERIAL WITH AN OUTER WRAP OF EITHER TYPE 1 ALUMINIZED MATERIAL OR CONDUCTIVE PLASTIC FILM OR HYBRID LAMINATED BAGS HAVING AN INTERIOR OF ANTISTATIC MATERIAL WITH AN OUTER METALIZED LAYER LABEL WITH SENSITIVE ELECTRONIC SYMBOL AND CAUTION NOTE

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