Educational film guide ()

621.5 EDUCATIONAL FILM GUIDE ADJUSTING AND REPAIRING THE THERMO EXPANSION VALVE — Continued slon valve; and shows how to test and adjust th« thermo expansion valve, how to recognize symptoms of trouble In the valve, and how to service the valve "Good for Industry, shop trade schools and Individual plants." Collaborator ADJUSTING COMMERCIAL THERMOSTATIC CONTROLS. Castle 12mln sd ?22.15 621.5 sh-c-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrlp $1 The purpose of the thermostatic motor control Is explained and the safety principle of the hiffh pressure safety cut out and the principles of the thermostatic element of the twotemperature valve. Shows how to test and adjust the thermostatic motor control and how to adjust the thermostatic two -temperature valve and thermostatic water valve "Good for industry, shop trade schools and individual plants." Collaborator ADJUSTING PRESSURE ACTUATED TEMPERATURE CONTROL DEVICES. Castle 1945 15mln sd $27.15 621.5 sh-c-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrlp $1 The punpose of pressure actuated temperature control devices Is shown and how to adjust the pressure actuated motor control; how to adjust the metering type two-temperature valve and the snap action two-temperature valve; and explains the purpose of the suction line check valve "Good for Industry, shop trade schools and Individual plants." Collaborator CHECKING AND REPLACING A FLOAT VALVE. Castle 1945 19mln sd $31.44 621,5 sh-c-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrlp $1 Shows the function and action of the two basic types of float valves — high-side float and low-side float; how to correct troubles In both types; and how to replace a high-side float CHECKING THE ELECTRICAL SYSTEM. Castle 1945 17mln sd S29.29 621.5 sh-c-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrlp $1 Checking and servicing an overheated motor In a domestic refrigerator; how to check and service a stalled capacitor or R.I. motor; how the thermostatic motor control functions; how to check and service motor control disorders; and the elements of range and differential adjustments CHECKING THE SYSTEM— PART i: GENERAL PROCEDURES. Castle 1945 17min sd $29.29 621.5 sh-c-tr-ad Guide Produced by the U.S. Office of Education. Accompanying fllmstrlp $1 Shows how to Install gages in a domestic refrigerator; how to check operating pressures, compressor performance, and the temperature range of the cooling unit; and how to clean the condenser and oil the motor of an opentype refrigeration unit CHECKING THE SYSTEM— PART If: TROUBLE SHOOTING. Castle 1945 17mln sd $29.29 621.5 sh-c-tr-ad Guide Produced by U.S. Office of Education. Accompanying flimstrip $1 Installing the gage manifold In a domestic refrigerator; how to check abnormal head pressure and abnormal back pressure; and how to determine causes of several common troubles such as, "unit will not run," "no refrigeration but the unit runs continuously," and "improper refrigeration of food but the unit freezes ice cubes" 40 BILLION ENEMIES. Westlnghouse 1941 25min sd color loan 621.5 jh-sh-tr-ad "Describes first the improvement of general health brought about by mechanical refrigeration and quick transportation of foods. The relation between temperature and food spoilage is explained. "The storing of foods in an electric refrigerator is demonstrated at length, and advice is given on its care and purchase. "The main value of the film derives from its graphic presentation of how to use a refrigerator. The film considers only the influence of temperature on perishable foods and omits health hazards caused by contamination. No advertising." Health films HOW TO GET THE MOST OUT OF YOUR REFRIGERATOR. GM 1943 25mln sd loan 621.5 Jh-sh-c-ad "A great deal of valuable Information Is provided on the proper care and use of an electric home refrigerator. The sections on how to refrigerate various types of food and on the care and maintenance of a mechanical refrigerator are especially well done. The commentary Is clear and concise and the various demonstrations are well photographed and easy to follow. "However, the film suffers somewhat from the inclusion of unnecessary material. The over-long, hackneyed and Irrelevant tributes to American women might well have been omitted as might the recipes In the final section which, while good in themselves, are delivered too rapidly for convenient copying. "Although produced for PYigidaire, the film carries no commercial message." Approved films on food and nutrition LOCATING AND REPAIRING LEAKS. Castle 1945 17min sd $29.29 621.5 sh-c-tr-ad Guide Produced by U.S. Office of Education. Accompanying flimstrip $1 Using the gage manifold in building leaktesting pressures in a domestic refrigerator; how to test for sulphur dioxide and methyl chloride leaks; how to use the halide torch to locate freon leaks; and how to repair several types of leaks MAKING AND REPAIRING TUBING CONNECTIONS. Castle 1945 ISmln sd $30.01 621.5 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying filmstrip $1 Straightening copper tubing; how to work, cut, and dress copper tubing; how to make a fiare for various sizes of tubing; and how to sweat in a connector to cover a break PRINCIPLES OF REFRIGERATION. Castle 1945 20mln sd $32.16 621.5 sh-c-tr-ad Guide Produced by U.S. Office of Education. Accompanying flimstrip $1 Explains the basic physics of heat transfer, with refrigeration as a method of heat transfer from the Inside of a refrigerator to the outside. Shows by means of animation both the compression and the absorption systems QUIETING A NOISY REFRIGERATOR. Castle 1945 16min sd $27.88 621.5 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllinstrip $1 Checking and correcting noise caused by high head pressure, or oil-logged evaporator; how to correct compressor noises; how to check and correct motor noises; and how to correct noises caused by wear or looseness of parts 442