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Portable Gas Generators


Portable Gas Generators are as reliable and powerful as most of their countparts. Gas generators canbe used for many fuctions like marine, RV, portable, and backup applications. Since there are many different fuel types available, gas generators are not as dominant as in the usage in mobile vehicles. Diesel, propane, natural gas, solar power, wind power, and biodiesel are all different ways of producing energy that take away from a possible dominance of gas generators. Although, gas generators still have many advantages, the drawbacks of using gas over other fuel types will eventually lead generators to be fueled by other sources.

The main advantage of gas powered generators is that the fuel is very accessible, although not very cheap. Many power tools and other equipment use gas for fuel including lawn mowers, chain saws, and air blowers because of the access to gas and the power produced. Gas can be stored in different fuel containers of different sizes which makes portable gas generators very efficient. Marine and RV vehicles can use gas generators to match the fuel types used in those applications as well. Gas also produces a reliable amount of power and is dependable. These are the major advantages of chosing a gas generator.

Service Manual: Small AC Generator Service Manual, Volume 2: Covers complete maintenance and repair information for most portable generator models more...

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Fixing Your Portable Generator

So, you've brought your generator out of storage, filled the tank, pulled the cord, and nothing. Hopefully, you are finding this out BEFORE the power outage or camping trip. This article will help you fix some common problems you may encounter. Before attempting any repair, remove the spark plug to prevent accidental starting while you are working on the unit.

If the generator will not start or won't stay started, check the muffler exhaust for an foreign debris. Once that is clean, check the gas and oil to make sure you have appropriate levels of both. Finally, make sure the spark plug has a good connection.

If the alternator fails to excite, it may be running at too low of a speed. Adjust the rpm. This can also result from a faulty capacitor or windings, which must be replaced and tightened.

If the voltage is running high with no load on the generator, you may need to adjust the rpms to a lower speed or replace the capacitor. Conversely, if the voltage is running low under no load, you may need to adjust the rpms to a higher speed or replace the capacitor with one with a higher rating. In addition, for low voltage, you should check your winding resistance and replace your rotary diodes, if needed.

If your voltage is ok with no load, but drops when you add a small load, you may need to increase your rpms or remove some of the load. You could also need to replace your rotary diodes.

If the voltage drops when you add a high load, you probably need to adjust the rpms or remove some of the load.

Finally, if the voltage fluctuates, it may be the result of loose or dirty connections. You may also need to regulate the rpms to solve this problem.