Question about Electrical Supplies
I am looking for a replacement voltage regulator board, with 6 leads (red, green, brown, white to a connector and 2 yellow to the battery) for a Nissan NDG5A. This is a very similar model to the Robins RGD5000, but I am not able to find any place that sells parts, used or new, for this generator. Any thoughts where I can pick one of these board up at? As an aside, he board is dipped so repair is probably impossible given once you try to take off the coating, you can't see the diods, etc that you want to test.
Any help would be great.
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Posted on Jan 02, 2017
As far as I can tell on the wiring diagram for this generator there is no voltage regulator unless it's incorporated with the auto throttle unit.
To lower the voltage you need to lower the speed of the generator engine. To do this there should be a screw on top of the engine under the tank when your facing the recoil. This screw presses on a arm that controls your governor. Turning it in (righty tighty) will increase rpms, turning it out will lower them. You should see the voltage change on the voltmeter.
Posted on Mar 31, 2009
My E2500 did this. Turned out to be dirt in the brush holders causing the
brushes to have less pressure in the slip rings. Stopping and restarting
joggled the brushes to make better contact until they wore down again.
Pull your brushes and make sure they slide easily in your holders. Also
you may need to replace them if they are worn too much or clean the
slip rings. Good luck. Doing your own repairs is fun.... especially when
Posted on Jul 29, 2009
Most generators (except the latest inverter generators)
produce power directly dependent on RPM's.
The governor adjustment is critical.
This usually is in the form of an adjuster that through a spring, applies a preload to the governor arm.
The governor arm is attached to a shaft that disappears into the motor. Inside there is usually a set of weights that when spun faster will attempt to slow the motor and when spinning too slowly will attempt to increase revs. The adjustment you need to make is to the preload spring.
They are very sensitive to the motor being in good tune so do the air cleaner, spark plug etc before trying to get it right. Under voltage can do more damage than over voltage so take your time and get it to a good steady correct voltage with your usual expected load on it. A safety trip out box gives you a way to test voltage with a load on & some protection.
Posted on Oct 15, 2009
take a look at the fuse...if it seemed burnt then replace it.
then check the breaker...try connectting your voltmeter directly to the wire that goes into the breaker(directly to the +) and the other side to the regular (-).
if it read 220 volts then the breaker is down...so replace it...or you can use the outlet directly.
however if it didn't read any voltage,
then you should check the brushes...they are right next to the AVR module...(the two wires that come out of the AVR are connected to the brushes)
if the brushes are shattered or if there is no connection between each brush and it's connector then replace the brushes..
but if they seemed fine.then your problem is with the wires...trace every wire and check for continuity.
the problem has to be one of the things i mentioned.
Posted on Oct 30, 2009
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