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How do you wire avr 811-12v mechanical volt reg

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It may well be the AVR, how can I test this? Thank you so much.

Disconnect the avr and unplug the wires going to the brushes then put 12 volts to the brushes and see if the generator puts out 120 volts.

Apr 10, 2014 | Electrical Supplies

1 Answer

Battery draws down during ride. volt meter reads only 9 volts. all other electric systems seem to be ok except one insterment light seems to be out (tach light) Is this likly to be an alternator output...

when running at bat use good vom 14 + volts .good bat volts non running 12.6 v .if not check wire to reg ..check that reg is grounded GOOD , bat in good shape ..them check for good assending voltage at stator plug. use ac setting on vom. 0-150 v will increase w/ rpms do not leave unplugged to long just to test..smell primary oil should not smell burnt I often replace reg & stator together..

Oct 19, 2011 | 2000 Harley Davidson FLHTCUI Electra Glide...

1 Answer

Triumph daytona 650 05 model having problems charging the old and new battery told it could be the rectifier /regulator how can I check

I have a good idea, this is if you change the batt and it did not charge try with a volt meter re on the + being red lead B- being minus set to dc volt set to 20 volt check charging system this being 14+ volt is the reading to getand also rev engine to moderet rpmto see if it drop slow or fastif it drops to 12 and below may be reg, now find the three like wire to the reg test for A/C volt 65 and higher at 5000 RPM that will also indecate reg that is if there are no burnt wire which will be see when you go to check the voltage readings. Have fun

Sep 30, 2011 | 2005 Triumph Daytona 650

1 Answer

Low current. Will hardly drive a sander or lights. Voltage guages says 120V. Unit is 3 years old but has maybe 10 hours of use max

I found this at
AVR Voltage Adjustment

This bulletin covers the following Champion Power Equipment models:

C46535 C41150 C41365

C46540 C41155 C75520E

C49055 C41255 C71350E

Note: Read instructions completely before performing service.

1. On the end of the generator locate the round yellow cover held on by two 7mm bolts.

Remove the two bolts and the yellow cover will come right off.

2. At approximately 7 o'clock you'll see a kidney shaped electrical component called the AVR,

which is held on by two 7mm bolts. Remove the two bolts but do not disconnect the wiring

and turn the AVR over so you can see the backside. You should see a round part coming off

the AVR, this is the capacitor. You should also see a small rectangular box with a jewelers

screw, this is your voltage adjustment screw.

3. With a flat head screw driver turn the jewelers screw counter clockwise and this will lower

the voltage. As the screw is turned back watch the volt meter to see adjustment, the

generator must be running to do this.

4. Adjust the screw until the meter reads 250 volts. On model C46540 when the toggle switch

is turned to the 120 side the volt meter should read around 130 volts. Optimum voltage is

121.8 volts.

5. If voltage does not decrease or does not hold a steady output please contact Champion at

877-338-0999 for a new AVR.

If you have any questions, please contact Champion Power Equipment:

Champion Power Equipment, Inc.

10006 Santa Fe Springs Rd.

Santa Fe Springs, CA 90670

Phone: 1-877-338-0999

Jul 02, 2011 | Champion International Champion Power...

1 Answer

Have B&S 7500 Vanguard Genset. No Output. Have checked windings as per info on this site. Applied 12Vdc direct to the brushes and get 160Vac output. There are black/red wires from brushes that go back...

Hi, a word of caution, use a 9volt battery instead of 12v to check the rotating field winding. The 12volts from a car battery or battery charger can burn out windings in a generator. I would say that your avr is pooched. There are 4 leads that go back to the windings in the generator from the AVR. Two of these are connected to the power output and two go to a separate winding in the generator. This is the exciter winding and this supplies power to the avr for the rotating field. The two to the power output are voltage reference only. If your generator has these exciter winding, you should check if you have voltage there with the 9 volts applied to the rotor. If you have voltage on the power output and not on the exciter, then the exciter is shot and your avr might not be. Try this first, if you could, could you take a picture of the windings at the back end of the generator, this will confirm for me what leads you have present.

Feb 15, 2011 | Briggs & Stratton Electrical Supplies

1 Answer

Still isn't charging. New battery in April. Mechanic put the meter on it at the wires that plug into the voltage regulator. 11.5 volts. He said it needed a volt. reg. Bought one and put it in and two days...

He should have checked the output from the stator as well. This is the actual electricity generating part of the engine. From the stator power goes to the voltage regulator, and from there to the battery and other power supply wiring. Be advised that work on the stator can be expensive, both for parts and labor, as it is located inside the engine usually at one end of the crankshaft.

May 18, 2010 | 2005 Suzuki Boulevard C90

1 Answer

My generator runs but will only put out 3.8 volts on the 120 volt receptacle. Changed AVR on the advice of Champion Technician. Problem persists. What else can I check?

I'm not sure what
AVR = (automatic voltage regulator?)
You could try to excite the generator pg.7
Check the brushes pg. 7
Check the capacitor
Other than that you could open the box where the outlet is sometimes the wire breaks off or comes loose even if its new. Good Luck

Jul 03, 2009 | Electronics - Others

2 Answers

No electrical output

probably your AVR card is burnt...
an AVR card is located right outside the stator...looks just like an AK-47 clip (i don't know how else to describe it)...i put a pic below this.
replace it and check again
466fecd.jpgAVR location
168ff0f.jpgAVR card

Dec 28, 2008 | Electrical Supplies

1 Answer

Ive got a 1974 dodge pickup with a mid 80's? 315 engine. My alternator has a bat, field and grd terms. My wiring calls for 2 field terms? How do I marry them? The alternator is putting out big time and at...

you need to find the volt. reg. and the wires from the reg. go to the alt. the field doesn't get strait bat volt. but 13 or 14 volt isn't bad, but if your wires are rite than your reg. is bad. 18 volt is to high!!!

Jul 25, 2008 | Dodge D150 Cars & Trucks

1 Answer

Can Denon AVR-1403 take 250 volts AC power?

no it will be damged need hi end monster power strip hd700 or better off ebay that will go 1st and alarm will sound on it

Jan 10, 2008 | Denon AVR-1403 Receiver

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