TM 11-5805-201-12 TELEPHONE SET TA-312/PT (NSN 5805-00-543-0012),JUNE 1967 | Black Water Museum Collection
DEPARTMENT OF THE ARMY TECHNICAL MANUAL TM 11-5805-201-12
DEPARTMENT OF THE AIR FORCE TECHNICAL ORDER TO 31W1-2PT-291
Operator and Organizational Maintenance Manual
TELEPHONE SET TA-312/PT (NSN 5805-00-543-0012)
This copy is a reprint which includes current pages from Changes 1 through 4. The title was changed by Change 3.
DEPARTMENTS OF THE ARMY AND THE AIR FORCE,JUNE 1967,TAGO 5242C
By Order of the Secretaries of the Army, the Navy, and the Air Force:
E. C. MEYER General, United States Army Chief of Staff
Official:
B. G. JOYCE
Brigadier General, United States Army The Adjutant General
LEW ALLEN, JR., General USAF Chief of Staff
BRYCE POE II
General, USAF, Commander, Air Force Logistics Command
Distribution:
To be distributed in accordance with DA Form 12-51, Operator maintenance requirements for TA-312 PT.
5 SAFETY STEPS TO FOLLOW IF SOMEONE IS THE VICTIM OF ELECTRICAL SHOCK
1 DO NOT TRY TO PULL OR GRAB THE INDIVIDUAL
2 IF POSSIBLE TURN OFF THE ELECTRICAL POWER
3 IF YOU CANNOT TURN OFF THE ELECTRICAL POWER, PULL, PUSH, OR LIFT THE PERSON TO SAFETY USING A WOODEN POLE OR A ROPE OR SOME OTHER INSULATING MATERIAL
4 SEND FOR HELP AS SOON AS POSSIBLE
5 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
WARNING
Do not lay, place, or throw field wire on or near power lines or transformers. Dangerous high voltages exist at these structures and severe shock or DEATH may result from contact between field wire and power lines. Follow the five emergency steps for electric shock. Be careful when using the TA-312/PT during storms. Lightning may pose a shock hazard.
90 to 100 volts DC may be present on the field wire terminals of the TA-312/PT. Don't take chances.
Adequate ventilation should be provided while using TRICHLOROTRIFLUOROETHANE. Pro longed breathing of vapor should be avoided. The solvent should not be used near heat or open flame; the products of decomposition are toxic and irritating. Since TRICHLOROTRIFLUOROETH ANE 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.
CHAPTER 1 INTRODUCTION
Section I. GENERAL
1-1. Scope
a. This manual describes Telephone Set TA 312/PT and covers its installation, operation, and organizational maintenance. It includes operation under usual and unusual conditions, cleaning and inspection of the equipment, and replacement of authorized parts for organizational maintenance personnel.
b. Official nomenclature followed by (*) is used to indicate all models of the equipment item cov ered in this manual. Therefore, Case, Telephone Set CY-1277 (*)/PT represents Cases, Telephone Set CY-1277A/PT and CY-1277B/PT. Handset Headset H-144 (*)/U represents Handset-Head sets H-144/U, H-144A/U, H-144B/U, and H 144C/U.
1-2. Index of Technical Publications
Refer to the latest issue of DA Pam 310-4 to determine whether there are new editions, changes or additional publications pertaining to the equip ment.
1-3. Maintenance Forms, Records, and Reports a. Reports of Maintenance and Unsatisfactory Equipment. Department of the Army forms and procedures used for equipment maintenance will
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