Help with generator problem, AC voltage
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05-06-2005, 13:07
Post: #1
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Help with generator problem, AC voltage
Hello,
I wonder if I can get some help with my generator problem? The generator runs well but my AC voltages are 112 and 147 volts ac on legs one and two. When I plug in a vacuum cleaner it will barely turn the motor. If I turn the hot water heater on the relay under the sink chatters like crazy. Could this be a brush problem in the generator? If anyone has had a similar problem and could point me in the right direction it would be very much appreciated. Thanks, Andy 88WB40 Caledon East, Ontario, Canada |
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05-06-2005, 14:25
Post: #2
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Help with generator problem, AC voltage
You have an open neutral somewhere between the genset and load center.
Try cycling the transfer switch first. - Jeff Miller http://www.wanderlodge.net http://www.millercoachworks.com --- In WanderlodgeForum@yahoogroups.com, "awojteczko" > Hello, > > I wonder if I can get some help with my generator problem? > The generator runs well but my AC voltages are 112 and 147 volts ac on > legs one and two. When I plug in a vacuum cleaner it will barely turn > the motor. If I turn the hot water heater on the relay under the sink > chatters like crazy. Could this be a brush problem in the generator? > If anyone has had a similar problem and could point me in the right > direction it would be very much appreciated. > > Thanks, > Andy > 88WB40 > Caledon East, Ontario, Canada |
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05-06-2005, 15:30
Post: #3
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Help with generator problem, AC voltage
Seems to be a common problem - especially with those Todd transfer
switches. Maybe that is why they are no longer in business. I have seen two fixes if that is where the problem is located. One is to replace with a transfer switch from Iota; Second is to replace the relay with one from Graingers. George Lowry '95 WBDA 4203 & GM 4106 (for sale) Spearfish, SD Jeff Miller wrote: > You have an open neutral somewhere between the genset and load center. > Try cycling the transfer switch first. > > - Jeff Miller > http://www.wanderlodge.net > http://www.millercoachworks.com > > > --- In WanderlodgeForum@yahoogroups.com, "awojteczko" > >>Hello, >> >>I wonder if I can get some help with my generator problem? >>The generator runs well but my AC voltages are 112 and 147 volts ac > > on > >>legs one and two. When I plug in a vacuum cleaner it will barely turn >>the motor. If I turn the hot water heater on the relay under the sink >>chatters like crazy. Could this be a brush problem in the generator? >>If anyone has had a similar problem and could point me in the right >>direction it would be very much appreciated. >> >>Thanks, >>Andy >>88WB40 >>Caledon East, Ontario, Canada > > > > > > > > Yahoo! Groups Links > > > > > > > > > |
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05-07-2005, 01:34
Post: #4
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Help with generator problem, AC voltage
--- In WanderlodgeForum@yahoogroups.com, George Lowry
wrote: Hi Jeff, Can you tell me where this transfer switch is located and what does it look like? Thanks, Andy > Seems to be a common problem - especially with those Todd transfer > switches. Maybe that is why they are no longer in business. I have > seen two fixes if that is where the problem is located. One is to > replace with a transfer switch from Iota; Second is to replace the > relay with one from Graingers. > > George Lowry > '95 WBDA 4203 & GM 4106 (for sale) > Spearfish, SD > > Jeff Miller wrote: > > > You have an open neutral somewhere between the genset and load center. > > Try cycling the transfer switch first. > > > > - Jeff Miller > > http://www.wanderlodge.net > > http://www.millercoachworks.com > > > > > > --- In WanderlodgeForum@yahoogroups.com, "awojteczko" > > > >>Hello, > >> > >>I wonder if I can get some help with my generator problem? > >>The generator runs well but my AC voltages are 112 and 147 volts ac > > > > on > > > >>legs one and two. When I plug in a vacuum cleaner it will barely turn > >>the motor. If I turn the hot water heater on the relay under the sink > >>chatters like crazy. Could this be a brush problem in the generator? > >>If anyone has had a similar problem and could point me in the right > >>direction it would be very much appreciated. > >> > >>Thanks, > >>Andy > >>88WB40 > >>Caledon East, Ontario, Canada > > > > > > > > > > > > > > > > Yahoo! Groups Links > > > > > > > > > > > > > > > > > > |
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05-07-2005, 01:42
Post: #5
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Help with generator problem, AC voltage
Hi Jeff,
I assume the transfer switch is the OFF, GEN, 50, 30 position switch by the entrance step. I have cycled this switch a number of times. The previous owner has installed a plate with sound deadner on it between the engine bell housing and generator assy. I have not figured out how to remove this plate to get access to the generator. Can you tell me how the wires are routed from the genset? Do the outputs L0 L1 L2 go to the transfer switch before they go to the breaker panel? Is there any other components in between? Is there an AC wiring diagram available for the coach> Thanks Andy --- In WanderlodgeForum@yahoogroups.com, "Jeff Miller" > You have an open neutral somewhere between the genset and load center. > Try cycling the transfer switch first. > > - Jeff Miller > http://www.wanderlodge.net > http://www.millercoachworks.com > > > --- In WanderlodgeForum@yahoogroups.com, "awojteczko" wrote: > > Hello, > > > > I wonder if I can get some help with my generator problem? > > The generator runs well but my AC voltages are 112 and 147 volts ac > on > > legs one and two. When I plug in a vacuum cleaner it will barely turn > > the motor. If I turn the hot water heater on the relay under the sink > > chatters like crazy. Could this be a brush problem in the generator? > > If anyone has had a similar problem and could point me in the right > > direction it would be very much appreciated. > > > > Thanks, > > Andy > > 88WB40 > > Caledon East, Ontario, Canada |
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05-07-2005, 03:12
Post: #6
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Help with generator problem, AC voltage
In the '88 it should be the rotary switch at the top of the stairs
that you switch between Shore 50, Gen, Off, Shore 30. - Jeff Miller http://www.wanderlodge.net http://www.millercoachworks.com --- In WanderlodgeForum@yahoogroups.com, "awojteczko" wrote: > --- In WanderlodgeForum@yahoogroups.com, George Lowry > wrote: > > Hi Jeff, > > Can you tell me where this transfer switch is located and what does > it look like? > > Thanks, > Andy > > > > Seems to be a common problem - especially with those Todd transfer > > switches. Maybe that is why they are no longer in business. I > have > > seen two fixes if that is where the problem is located. One is to > > replace with a transfer switch from Iota; Second is to replace the > > relay with one from Graingers. > > > > George Lowry > > '95 WBDA 4203 & GM 4106 (for sale) > > Spearfish, SD > > > > Jeff Miller wrote: > > > > > You have an open neutral somewhere between the genset and load > center. > > > Try cycling the transfer switch first. > > > > > > - Jeff Miller > > > http://www.wanderlodge.net > > > http://www.millercoachworks.com > > > > > > > > > --- In WanderlodgeForum@yahoogroups.com, "awojteczko" > > > > > > >>Hello, > > >> > > >>I wonder if I can get some help with my generator problem? > > >>The generator runs well but my AC voltages are 112 and 147 volts > ac > > > > > > on > > > > > >>legs one and two. When I plug in a vacuum cleaner it will barely > turn > > >>the motor. If I turn the hot water heater on the relay under the > sink > > >>chatters like crazy. Could this be a brush problem in the > generator? > > >>If anyone has had a similar problem and could point me in the > right > > >>direction it would be very much appreciated. > > >> > > >>Thanks, > > >>Andy > > >>88WB40 > > >>Caledon East, Ontario, Canada > > > > > > > > > > > > > > > > > > > > > > > > Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > > > > > > > > |
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05-07-2005, 03:16
Post: #7
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Help with generator problem, AC voltage
There is a wiring diagram for the 12.5 Kubota/Kohler genset, and for
your coach's 240v wiring. The 240v wiring runs from the genset to the breaker panel near the genset, then to the transfer switch, and from there to the main breaker panel in the rear of your coach. If someone has replaced the original Pacs 1500 inverter with a larger inverter/charger it is possible that the power goes to the new inverter between the transfer switch and the breaker panel. - Jeff Miller http://www.millercoachworks.com http://www.wanderlodge.net --- In WanderlodgeForum@yahoogroups.com, "awojteczko" wrote: > Hi Jeff, > > I assume the transfer switch is the OFF, GEN, 50, 30 position switch > by the entrance step. I have cycled this switch a number of times. > The previous owner has installed a plate with sound deadner on it > between the engine bell housing and generator assy. I have not > figured out how to remove this plate to get access to the generator. > Can you tell me how the wires are routed from the genset? Do the > outputs L0 L1 L2 go to the transfer switch before they go to the > breaker panel? Is there any other components in between? Is there an > AC wiring diagram available for the coach> > > Thanks > Andy > > > --- In WanderlodgeForum@yahoogroups.com, "Jeff Miller" > > > You have an open neutral somewhere between the genset and load > center. > > Try cycling the transfer switch first. > > > > - Jeff Miller > > http://www.wanderlodge.net > > http://www.millercoachworks.com > > > > > > --- In WanderlodgeForum@yahoogroups.com, "awojteczko" > wrote: > > > Hello, > > > > > > I wonder if I can get some help with my generator problem? > > > The generator runs well but my AC voltages are 112 and 147 volts > ac > > on > > > legs one and two. When I plug in a vacuum cleaner it will barely > turn > > > the motor. If I turn the hot water heater on the relay under the > sink > > > chatters like crazy. Could this be a brush problem in the > generator? > > > If anyone has had a similar problem and could point me in the > right > > > direction it would be very much appreciated. > > > > > > Thanks, > > > Andy > > > 88WB40 > > > Caledon East, Ontario, Canada |
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05-09-2005, 12:57
Post: #8
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Help with generator problem, AC voltage
I had low voltage on my 90WL40 and I adjusted the idle and it brought up
the voltage to the proper level. Craig 40WL Bigfork Mt. ________________________________ From: WanderlodgeForum@yahoogroups.com [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of Jeff Miller Sent: Friday, May 06, 2005 8:26 PM To: WanderlodgeForum@yahoogroups.com Subject: [WanderlodgeForum] Re: Help with generator problem, AC voltage You have an open neutral somewhere between the genset and load center. Try cycling the transfer switch first. - Jeff Miller http://www.wanderlodge.net http://www.millercoachworks.com --- In WanderlodgeForum@yahoogroups.com, "awojteczko" > Hello, > > I wonder if I can get some help with my generator problem? > The generator runs well but my AC voltages are 112 and 147 volts ac on > legs one and two. When I plug in a vacuum cleaner it will barely turn > the motor. If I turn the hot water heater on the relay under the sink > chatters like crazy. Could this be a brush problem in the generator? > If anyone has had a similar problem and could point me in the right > direction it would be very much appreciated. > > Thanks, > Andy > 88WB40 > Caledon East, Ontario, Canada ________________________________ Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/WanderlodgeForum/ * To unsubscribe from this group, send an email to: WanderlodgeForum-unsubscribe@yahoogroups.com * Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> . [Non-text portions of this message have been removed] |
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05-10-2005, 00:10
Post: #9
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Help with generator problem, AC voltage
I would be very careful adjusting the mechanical Governor to get the voltage up.
The mechanical adjustment only changes the RPM of engine which in turns changes the frequency of the output voltage. Too high or too low frequency can damage any non resistive load. (Inverters, TV, Battery Chargers, Microwave, etc.) I am not sure of the Voltage Regulator you have but most have a way to set voltage. If no voltage adjustment is on regulator you may need to replace regulator. If you have done any mechanical adjustment to the engine governor you need to get a good frequency meter and be sure the frequency is set at 60 cycles. Byrne 7735FC "Hovda, Craig" I had low voltage on my 90WL40 and I adjusted the idle and it brought up the voltage to the proper level. Craig 40WL Bigfork Mt. ________________________________ From: WanderlodgeForum@yahoogroups.com [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of Jeff Miller Sent: Friday, May 06, 2005 8:26 PM To: WanderlodgeForum@yahoogroups.com Subject: [WanderlodgeForum] Re: Help with generator problem, AC voltage You have an open neutral somewhere between the genset and load center. Try cycling the transfer switch first. - Jeff Miller http://www.wanderlodge.net http://www.millercoachworks.com --- In WanderlodgeForum@yahoogroups.com, "awojteczko" > Hello, > > I wonder if I can get some help with my generator problem? > The generator runs well but my AC voltages are 112 and 147 volts ac on > legs one and two. When I plug in a vacuum cleaner it will barely turn > the motor. If I turn the hot water heater on the relay under the sink > chatters like crazy. Could this be a brush problem in the generator? > If anyone has had a similar problem and could point me in the right > direction it would be very much appreciated. > > Thanks, > Andy > 88WB40 > Caledon East, Ontario, Canada ________________________________ Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/WanderlodgeForum/ * To unsubscribe from this group, send an email to: WanderlodgeForum-unsubscribe@yahoogroups.com * Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> . [Non-text portions of this message have been removed] --------------------------------- Yahoo! Groups Links To visit your group on the web, go to: http://groups.yahoo.com/group/WanderlodgeForum/ To unsubscribe from this group, send an email to: WanderlodgeForum-unsubscribe@yahoogroups.com Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. --------------------------------- Yahoo! Mail Mobile Take Yahoo! Mail with you! Check email on your mobile phone. [Non-text portions of this message have been removed] |
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05-10-2005, 00:32
Post: #10
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Help with generator problem, AC voltage
1800rpm = 60 cycles on four pole Generator
3600rpm =60 cylyes on 2 pole generator any more or less you risk major damage Cape0001 77fc35 --- In WanderlodgeForum@yahoogroups.com, Byrne Lobdell > I would be very careful adjusting the mechanical Governor to get the voltage up. The mechanical adjustment only changes the RPM of engine which in turns changes the frequency of the output voltage. Too high or too low frequency can damage any non resistive load. (Inverters, TV, Battery Chargers, Microwave, etc.) I am not sure of the Voltage Regulator you have but most have a way to set voltage. If no voltage adjustment is on regulator you may need to replace regulator. If you have done any mechanical adjustment to the engine governor you need to get a good frequency meter and be sure the frequency is set at 60 cycles. > Byrne 7735FC > > "Hovda, Craig" > I had low voltage on my 90WL40 and I adjusted the idle and it brought up > the voltage to the proper level. > > > > Craig > > 40WL > > Bigfork Mt. > > > > ________________________________ > > From: WanderlodgeForum@yahoogroups.com > [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of Jeff Miller > Sent: Friday, May 06, 2005 8:26 PM > To: WanderlodgeForum@yahoogroups.com > Subject: [WanderlodgeForum] Re: Help with generator problem, AC voltage > > > > You have an open neutral somewhere between the genset and load center. > Try cycling the transfer switch first. > > - Jeff Miller > http://www.wanderlodge.net > http://www.millercoachworks.com > > > --- In WanderlodgeForum@yahoogroups.com, "awojteczko" > > Hello, > > > > I wonder if I can get some help with my generator problem? > > The generator runs well but my AC voltages are 112 and 147 volts ac > on > > legs one and two. When I plug in a vacuum cleaner it will barely turn > > the motor. If I turn the hot water heater on the relay under the sink > > chatters like crazy. Could this be a brush problem in the generator? > > If anyone has had a similar problem and could point me in the right > > direction it would be very much appreciated. > > > > Thanks, > > Andy > > 88WB40 > > Caledon East, Ontario, Canada > > > > > > ________________________________ > > Yahoo! Groups Links > > * To visit your group on the web, go to: > http://groups.yahoo.com/group/WanderlodgeForum/ > > * To unsubscribe from this group, send an email to: > WanderlodgeForum-unsubscribe@yahoogroups.com > > > * Your use of Yahoo! Groups is subject to the Yahoo! Terms of > Service <http://docs.yahoo.com/info/terms/> . > > > > [Non-text portions of this message have been removed] > > > > --------------------------------- > Yahoo! Groups Links > > To visit your group on the web, go to: > http://groups.yahoo.com/group/WanderlodgeForum/ > > To unsubscribe from this group, send an email to: > WanderlodgeForum-unsubscribe@yahoogroups.com > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. > > > > > --------------------------------- > Yahoo! Mail Mobile > Take Yahoo! Mail with you! Check email on your mobile phone. > > [Non-text portions of this message have been removed] |
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