Posted by John T on May 25, 2009 at 17:58:30 from (66.244.97.31):
In Reply to: 6 volt generator posted by otherhalf on May 25, 2009 at 15:18:37:
I thought I already provided you my Troubleshooting Procedure URL Link??? it has an easy test (See Para. 5) to determine if Non Charging is a Voltage Regulator versus a Generator problem....
Where you reading that voltage??? You need to be measuring the voltage at the battery as the open unloaded output of the genny itslef really dont tell you all that much BUTTTTTT if its only 8 volts (at genny alone not connected to battery via the VR's internal cutout relay) at high RPM that may not gonna cut it when you attach it to a somewhat discharged battery (like after a start up) which is like a big fat empty electron bank sittin there ready to suck up electrons out of the generator lol
I trust you POLARIZED the genny BEFORE starting the tractor, if not and the gennys is opposite polarized from the battery, you can harm the VR (See below)
The battery just sitting there tractor not running should read around 6.3 volts but when connected to a GOOD WORKING CHARGING SYSTEM AT FAST RPM it should rise to at least 6.5 to 7 and a lil over THAT SHOWS IF ITS GETTING CHARGED OR NOT
(From my Troubleshooting Procedure)
ARE YOU SURE THE AMMETER IS WIRED CORRECT AND WORKS????? If you turn the lights or ignition on (if coil ignition not a mag) when she’s not running, the ammeter should swing over to the - discharge direction, does yours??? Are BOTH the ammeter terminals reading hot battery voltage?? They MUST !!!!!!! There’s but one wire on the ammeters Supply (from battery/starter) terminal while its other Load terminal wires to the BAT terminal on a Cutout relay or VR PLUS wires to feed loads like lights or ignition, unless where a 4 terminal VR is used where lights n ignition are fed from the LOAD terminal on the VR.
To Polarize the Generator, first temporarily dead ground the Gens Field post to case/frame, then momentarily flash jump a wire from the Cutout Relay or VR's "BAT" terminal over to its GEN (or ARM) terminal and you ought to get a small spark. Same things accomplished by momentarily flash jumping a hot wire (BAT terminal on Cutout Relay or VR or starter post etc) direct to the Gens ARM post to get the spark
THis link below in Para 5 shows how to troubleshoot the system and also determine if non charging is a VR or a genny problem.
If youre not handy with generators or electricity you may wanna have a shop fix it, theres only so much we can do over the net to help you, but to get much from our advice you need to have a basic working knowledge of these systems. Its IMPOSSIBLE to put in a paragraph here what can fill entire books or take years of experience to comprehend.
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