Cleaning the slip rings did not restore electricity to a generator whose engine the owner had managed to get running. With the unit still producing no power, the owner sought help from an online community.
Here's what to know
The control board was the obstacle to normal startup: it could prime the unit but could not start it, the owner explained in a post on Reddit's r/Generator community.
Electrical output remained absent, even though the engine reportedly ran perfectly. The owner had gotten it running by jumping the solenoid to bypass the startup problem.
The owner also reported breaking a brush part while working on the unit.
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"If you broke a brush, you will have to fix it before it will generate power," one commenter wrote. The original poster responded, "I know but it wasn't generating before I broke it, I just want to see other suggestions, I'm hoping it's not the voltage regulator."
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Voltage-regulator failure was not the only possible explanation raised in the Reddit discussion. Another commenter pointed instead to a possible loss of field flash.
For the owner, replacing the damaged part depended on first establishing that the generator could produce power again.
Generators can be especially useful during power outages, and restoring older machines can be a great way to save money while preparing your home for loss of electricity. But as in the original poster's case, repairing and maintaining older engines can bring a few headaches along the way.
Where can I learn more?
Other generator owners have dealt with erratic output, startup trouble, and uncertainty about maintenance.
• A generator owner reported 235-245V voltage swings as a technician pushed repairs before warranty expiration.
• A homeowner tried a backup generator during an outage, prompting questions about prior testing.
• A generator died after 20 minutes, and Reddit commenters suspected a carburetor problem.
• A generator owner replaced a dead battery and recommended adding jump-start leads.
• A Generac owner avoided service calls before learning about maintenance checks beyond oil.
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