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8. Crimp connections. These connections have several problems. Even though
they're widely used, they represent the least professional fix. First, they come
loose as the machine vibrates, and lose consistent, quality contact. Second,
because dissimilar metals are in contact, a galvanic cell is set up that result in
corrosion when moisture is present.
9. Solder joints that have cracked or broken loose. This condition occurs much less
frequently than crimped connections and basically results from poor-quality
workmanship.
10. Worn insulation allowing wires to short. Insulation deteriorates from physical
contact when wires rub together due to vibrations. Eventually, the internal wires
can short to each other or to ground.
11. Crossed wires. Mistakes happen, especially if someone else worked on the
generator before you.
12. Fuses, circuit breakers, and ground fault interrupts. These can easily be tested
with a volt-ohm-meter.
After conducting a thorough physical inspection of the generator, replace the cover, and
start the engine. Take voltage readings on all the receptacles. What are they? Does a
120V AC receptacle read 128V AC? Is this bad? Normally, it isn't. Lower voltages are
more detrimental than higher voltages. Lower voltages overload electric motors very
easily and cause them to burn. How high should a voltage go? No more than 130 volts
for some appliances and less for others. Keep the output voltage approximately 120 to
125V AC. Electricity providers deliver 128V AC to residential homes.
Resistance measurements can be taken and compared to specifications. With the
generator isolated from any alternating current source, a volt-ohm meter often pins down
the problem without having to take voltage readings internally while the unit is running.
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Multiquip Inc. ◦ GA Series Generators ◦ Manual No. GAGENSM
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