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Powermate generator

Britrider

Member
Joined
Sep 26, 2020
Messages
10
Location
CT, upstate NY
Hoping someone here has some advice.
I picked up a powermate 5000 used and at the sellers house we ran it and he demonstrated that it worked by running a skill saw off of it. It was plugged into the twistlock of his house since we had a storm the previous week.
I got home and wasn't able to get any power out of it. I cleaned the grounds to the chassis and got 33 volts out of one socket, 78 out of the other and 128 out of the twistlock. The next time I start it I got nothing out of it.
I replaced the brushes, replaced the capacitor, and cleaned all the connections under the cover. I don't think the cover had ever been off. I even throttled it up but the additional rpm did nothing.
I'm great with small engines but generators are new to me.
Thanks in advance.
 
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karoc

Well-known member
Joined
Dec 19, 2017
Messages
2,026
Location
Hemphill Tx
Will I be,did not know none of this. I also have a generator still in box,that's about 2yrs old,I need to pull it out and go through this exercise.
 
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redmondjp

Well-known member
Joined
Nov 25, 2014
Messages
2,318
Location
Redmond, WA
Measure the windings.

Are you referring to checking their continuity? Checking for shorts to ground? You can have a partial winding short which will not be detected by a normal ohmmeter and most people don't have access to a 4-wire meter.
 
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Britrider

Member
Joined
Sep 26, 2020
Messages
10
Location
CT, upstate NY
Checked the output again today. At 130 out of the 240 twistlock. 80 out of the 110 outlets. Increased idle, gained a bit but not enough. Tried flashing again. No improvement.
 

Akron

Member
Joined
Nov 5, 2020
Messages
9
Location
OH
If you've changed the brushes already then change the AVR also.

Change the AVR ($20).Plenty of pics/vids on Youtube. Very simple.
 
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