Electronics Design Coleman Pro-Gen 5000

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Subject Author Date
Coleman Pro-Gen 5000 amdx 06-23-08
Posted by amdx on June 23, 2008, 1:06 pm
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I started the Coleman Generator problem thread about two weeks ago.
It quit producing power after about 1 hr 15 min.
After dissassembly I found an overheated exciter coil, a defective capacitor
and a burned open foil on the pcb.
I removed the bad 19 turn coil and wound a new one in the stator. I got
a quart of motor varnish at a motor repair shop and revarnished the coil.
I baked the stator in my wifes oven! I varnished and baked the unit twice
just for safety.
(I did note that one of the fiber insulators was not properly placed in the
stator, I think this is where the coil rubbed the stator and shorted,
causing the failure) I replaced the bad capacitor and repaired the open
foil.
This morning I reassembled the unit and fired it up. It works!
I applied a 3300 watt load and it's been running almost 4 hrs at 119.2
volts.
Mike
PS. Anybody want to buy a generator? ;-)




Posted by mpm on June 23, 2008, 4:19 pm
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> =EF=BF=BDI started the Coleman Generator problem thread about two weeks a=
go.
> It quit producing power after about 1 hr 15 min.
> After dissassembly I found an overheated exciter coil, a defective capaci=
tor
> and a burned open foil on the pcb.
> =EF=BF=BD I removed the bad 19 turn coil and wound a new one in the stato=
r. I got
> a quart of motor varnish at a motor repair shop and revarnished the coil.
> I baked the stator in my wifes oven! I varnished and baked the unit twice
> just for safety.
> (I did note that one of the fiber insulators was not properly placed in t=
he
> stator, I think this is where the coil rubbed the stator and shorted,
> causing the failure) I replaced the bad capacitor and repaired the open
> foil.
> =EF=BF=BD This morning I reassembled the unit and fired it up. It works!
> I applied a 3300 watt load and it's been running almost 4 hrs at 119.2
> volts.
> =EF=BF=BD =EF=BF=BD =EF=BF=BD Mike
> PS. Anybody want to buy a generator? ;-)

Put mine with it, and we can sell 'em as a matched pair.

(Mine has ongoing carbeurator problems.)
Which I guess actually isn't all that unexpected given the total lack
of use this baby gets.

Posted by amdx on June 23, 2008, 5:25 pm
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> ?I started the Coleman Generator problem thread about two weeks ago.
> It quit producing power after about 1 hr 15 min.
> After dissassembly I found an overheated exciter coil, a defective
> capacitor
> and a burned open foil on the pcb.
> ? I removed the bad 19 turn coil and wound a new one in the stator. I got
> a quart of motor varnish at a motor repair shop and revarnished the coil.
> I baked the stator in my wifes oven! I varnished and baked the unit twice
> just for safety.
> (I did note that one of the fiber insulators was not properly placed in
> the
> stator, I think this is where the coil rubbed the stator and shorted,
> causing the failure) I replaced the bad capacitor and repaired the open
> foil.
> ? This morning I reassembled the unit and fired it up. It works!
> I applied a 3300 watt load and it's been running almost 4 hrs at 119.2
> volts.
> ? ? ? Mike
> PS. Anybody want to buy a generator? ;-)

Put mine with it, and we can sell 'em as a matched pair.

(Mine has ongoing carbeurator problems.)
Which I guess actually isn't all that unexpected given the total lack
of use this baby gets.

Ya, I didn't open the box for three years. And then when I needed it
most....



Posted by ehsjr on June 24, 2008, 3:30 pm
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amdx wrote:
> I started the Coleman Generator problem thread about two weeks ago.
> It quit producing power after about 1 hr 15 min.
> After dissassembly I found an overheated exciter coil, a defective capacitor
> and a burned open foil on the pcb.
> I removed the bad 19 turn coil and wound a new one in the stator. I got
> a quart of motor varnish at a motor repair shop and revarnished the coil.
> I baked the stator in my wifes oven! I varnished and baked the unit twice
> just for safety.
> (I did note that one of the fiber insulators was not properly placed in the
> stator, I think this is where the coil rubbed the stator and shorted,
> causing the failure) I replaced the bad capacitor and repaired the open
> foil.
> This morning I reassembled the unit and fired it up. It works!
> I applied a 3300 watt load and it's been running almost 4 hrs at 119.2
> volts.
> Mike
> PS. Anybody want to buy a generator? ;-)
>
>
>

Good going! Glad to hear you got it fixed.
Watch out for the oil level sensor switch failure.
It erroneously indicates that the oil level has dropped
too low. That prevents the engine from running.

Ed

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