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About Fred Hemmer
Expertise
Lawn-Boy and Toro commercial and consumer equipment questions. Including: 2 cycle and 4 cycle engines,(gas or diesel), electrical troubleshooting, drive train questions (gear and hydro), quality of cut and chassis questions.

Experience
18 years with Toro and Lawn-Boy. Developed and conducted in-field training on engine, electrical and hydraulic components. Authored manuals concerning lawn and garden equipment. Worked with customers on the phone to resolve issues.

Organizations
Engine and Equipment Training Council

Publications
Toro and Lawn-Boy web sites

Education/Credentials
BS in Business Admin Kolher, Kubota, Kawasaki, Tecumseh, Briggs and Stratton factory engine training Hydro-Gear training Various in-house training certificates

 
   

You are here:  Experts > Home/Garden > Home Appliances > Small Engines (Lawn Mowers, etc.) > lx 277

Topic: Small Engines (Lawn Mowers, etc.)



Expert: Fred Hemmer
Date: 8/13/2008
Subject: lx 277

Question
my battery light is on the battery went dead it is a good batt the batt is not charging Where should i start

john deeere lx277

Answer
The first thing would be to check the state or output, while the engine is running.  If there is current flowing to the current going to the battery check your ground.  If current is not flowing to the battery the problem could be the regulator rectifier or stator.  Remember.  

Engines produced AC current, but the battery needs DC current to charge.  The way it is changed is by going through a diode.  The diode could be in line and easily checked with the continuity meter.  Current should flow one way but not the other.  If.  The diodes are inside a bridge rectifier or a regulator rectifier it will be a little more difficult, but the principles are still the same.  A fully charged battery should read 12.6 V DC.  I have a feeling it is to ground wire.  Best of luck.

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