Alco- General Electric Diesel- Electric Switcher - Manual for Enginemen. THE SCHENECTADY DIGITAL HISTORY ARCHIVEa service of the Schenectady County Public Library.

Shop our range of Pneumatic Exhaust & Relief Valve Function Fittings supplies & accessories. Free Next Day Delivery. Pnuematic valve symbols 1. Pneumatic Symbols For system diagrams and component identification 2. Contents z Standards z. This chapter provides a general overview of the heating and cooling of today’s homes. Heating and cooling are not merely a matter of comfort, but of survival.

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Like any precision tool, however, they work only as expertly as the hand at the controls, and retain their keen edge longer when not abused. Therefore, the performance of a diesel- electric depends to a large measure upon intelligent handling and good care.

By applying the rules, tips, and information given in this manual, you can enhance the performance and prolong the life of your diesel- electric locomotive. Moreover, you will experience the satisfaction and recognition associated with a job well done. Wheels. TRAILING TONS* IT WILL HAUL SAFELY. Speed Tractive Time GRADE - COMPENSATED FOR CURVATURE. MPH Effort Limit Level 0.


MPH Effort Limit Level 0. Wheels. TRAILING TONS* IT WILL HAUL SAFELY. Speed Tractive Time GRADE - COMPENSATED FOR CURVATURE. MPH Effort Limit Level 0. When the throttle is opened, the generator is connected to the traction motors.

Power then flows to the traction motors, and the locomotive moves. As the throttle is opened wider, the engine speeds up, delivering more power to the generator and thus to the traction motors. When the throttle is wide open, the engine runs at 7. The generator automatically adjusts its electric output to the motors so as to apply the required horsepower up to maximum rating for any combination of speed and load. When pulled out, with diesel engine stopped, all electric apparatus on the locomotive is dead. Pull trip lever to stop engine in emergency. Cutout Pin - pull out and turn downward to cut out faulty cylinder.

See page 2. 9. ABOVE PLATFORM. Give handles on the filters in the fuel and lubricating- oil lines one turn. An inspection of engine, generator, and control compartments for cloths, tools, etc., that may have been inadvertently left near moving parts or electric connections is a worthwhile precaution. Close throttle. After lubricating- oil pressure builds up to 3. Running the unloaded engine with throttle open wider is bad practice. Close throttle when air is up. Release hand brake.

In freezing weather, drain cooling system, or keep water heated - otherwise leave engine running. METHODS OF EMERGENCY SHUT- DOWNPull Fuel- pump switch. If diesel engine does not stop. Pull hard on red ball on trip cable to close fuel- oil shutoff valve at fuel tank. If engine does not stop. Pull overspeed trip lever at engine.

To reset, see page 2. When the throttle is first opened, the control circuits are energized, the generator is connected to the traction motors, and the locomotive starts to move. Successive advancement of the throttle acts on the governor to admit more fuel to the engine. The engine speed will increase until it reaches the setting of the governor as controlled by the throttle.

More power is delivered to the generator and thus to the traction motors. When moving cars, open the throttle just out of the idling position and wait for the slack to be taken up; then open the throttle steadily as rapidly as desired up to the slipping point of the wheels. Throttle movements should be smooth and continous; do not jerk the throttle on and off. When the locomotive has accelerated to the desired speed, ease back on the throttle to the point where the speed is maintained. If locomotive at full throttle does not readily accelerate train to more than 6 1/2 mph, reduce train weight.

With engine running and controller handle in an operating position, never leave the throttle open if the locomotive is not moving as this can seriously damage the traction motors. As locomotive speeds increase, traction- motor current decreases and voltage increases over a relatively wide range. To make maximum use of the voltage and current relationship between the generator and the traction motors, three different electric connections are used - - Series, Series- parallel and Reduced field. Consequently, the controller has these three positions for both Forward and Reverse.

The positions selected depend on operating conditions. Download Free New Version Of Skype. SERIES POSITION - for low speeds and heavy drags. Operation in the Series position at speeds above 8 or 1.

Control is such that the locomotive automatically operates in Series up to 8 mph, when accelerating, even though the controller may be set for Series- parallel or Reduced field.

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CDC - NCEH - Healthy Housing Reference Manual. Download Adobe Acrobat version of the manual . James Baker. NOAA Administrator, 1. Heating and cooling are not merely a matter of comfort, but of survival. Both very cold and very hot temperatures can threaten health.

Excessive exposure to heat is referred to as heat stress and excessive exposure to cold is referred to as cold stress. In a very hot environment, the most serious health risk is heat stroke. Heat stroke requires immediate medical attention and can be fatal or leave permanent damage. Heat stroke fatalities occur every summer. Heat exhaustion and fainting are less serious types of illnesses.

Typically they are not fatal, but they do interfere with a person. Another serious effect of cold exposure is frostbite or freezing of exposed extremities, such as fingers, toes, nose, and ear lobes. Hypothermia can be fatal if immediate medical attention is not received. Heat and cold are dangerous because the victims of heat stroke and hypothermia often do not notice the symptoms. This means that family, neighbors, and friends are essential for early recognition of the onset of the conditions.

The affected individual. Family, neighbors, and friends must be particularly diligent during heat or cold waves to check on individuals who live alone. Although symptoms vary from person to person, the warning signs of heat exhaustion include confusion and profuse and prolonged sweating. The person should be removed from the heat, cooled, and heavily hydrated. Heat stroke signs and symptoms include sudden and severe fatigue, nausea, dizziness, rapid pulse, lightheadedness, confusion, unconsciousness, extremely high temperature, and hot and dry skin surface. An individual who appears disorientated or confused, seems euphoric or unaccountably irritable, or suffers from malaise or flulike symptoms should be moved to a cool location and medical advice should be sought immediately.

Warning signs of hypothermia include nausea, fatigue, dizziness, irritability, or euphoria. Individuals also experience pain in their extremities (e. People who exhibit these symptoms, particularly the elderly and young, should be moved to a heated shelter and medical advice should be sought when appropriate. The function of a heating, ventilation, and air conditioning (HVAC) system is to provide for more than human health and comfort. The HVAC system produces heat, cool air, and ventilation, and helps control dust and moisture, which can lead to adverse health effects.

The variables to be controlled are temperature, air quality, air motion, and relative humidity. Temperature must be maintained uniformly throughout the heated/cooled area. The adequacy of the HVAC system and the air- tightness of the structure or room determine the degree of personal safety and comfort within the dwelling. Gas, electricity, oil, coal, wood, and solar energy are the main energy sources for home heating and cooling. Heating systems commonly used are steam, hot water and hot air. A housing inspector should have knowledge of the various heating fuels and systems to be able to determine their adequacy and safety in operation.

To cover fully all aspects of the heating and cooling system, the entire area and physical components of the system must be considered. Click here for definition of terms related to HVAC systems. The remaining 1. 1% are heated with bottled fuel, wood, coal, solar, geothermal, wind, or solar energy . Any home using combustion as a source of heating, cooling, or cooking or that has an attached garage should have appropriately located and maintained carbon monoxide (CO) gas detectors. Consumer Product Safety Commission (CPSC), from data collected in 2. CO kills 2. 00 people and sends more than 1. The standard fuels for heating are discussed below.

Standard Fuels. Gas. More than 5. 0% of American homes use gas fuel. Gas fuels are colorless gases. Some have a characteristic pungent odor; others are odorless and cannot be detected by smell. Although gas fuels are easily handled in heating equipment, their presence in air in appreciable quantities becomes a serious health hazard.

Gases diffuse readily in the air, making explosive mixtures possible. A proportion of combustible gas and air that is ignited burns with such a high velocity that an explosive force is created. Because of these characteristics of gas fuels, precautions must be taken to prevent leaks, and care must be exercised when gas- fired equipment is lit.