Re: Stus-List Alternator Failure

2016-06-21 Thread Gary Russell via CnC-List
Alan, I have Blue Sea panel, instead of a 1-both-2 Perko switch, so disconnecting the house batteries is not an option. Gary S/V Kaykarah ~~~_/)~~ On Tue, Jun 21, 2016 at 11:21 AM, ALAN BERGEN via CnC-List < cnc-list@cnc-list.com> wrote: > If you switch between starting battery an

Re: Stus-List Alternator Failure

2016-06-21 Thread ALAN BERGEN via CnC-List
If you switch between starting battery and house batteries, and your master switch isn't a make before break, you can have the issue you're referring to. In other words, when moving to a different switch position, the switch should momentarily go from starting to both to house. Alan Bergen 35 Mk

Re: Stus-List Alternator Failure

2016-06-21 Thread Gary Russell via CnC-List
The consensus seems to be that turning off the key did not kill my alternator and it was just a coincidence that the problem showed up shortly after turning off the switch. I have no way of disconnecting my batteries from the alternator. I guess it just "died". Thanks for all your collective wis

Re: Stus-List Alternator Failure

2016-06-21 Thread Jim Watts via CnC-List
I shut off the ignition all the time, have done for years...makes less beeper noise when I actually turn off the motor, but it is always at idle and never with a big load on the alt. I did install a Perko battery switch that has an alternator field disconnect in it so that if the battery switch get

Re: Stus-List Alternator Failure

2016-06-21 Thread Petar Horvatic via CnC-List
Subject: Re: Stus-List Alternator Failure Hi Steve, Perfect explanation! That makes sense to me. I never understood why turning off the key would create the reverse voltage, and perhaps it was just a coincidence that the alternator was noticed to be dead a week or so after the key wa

Re: Stus-List Alternator Failure

2016-06-21 Thread Gary Russell via CnC-List
regulator in shutting off the "ignition" than to the output > rectifier diodes. > > > Steve Thomas > C&C27 MKIII > Port Stanley, ON > > - Original Message - > *From:* Gary Russell via CnC-List > *To:* C&C List > *Cc:* Gary Russell >

Re: Stus-List Alternator Failure

2016-06-21 Thread S Thomas via CnC-List
er diodes. Steve Thomas C&C27 MKIII Port Stanley, ON - Original Message - From: Gary Russell via CnC-List To: C&C List Cc: Gary Russell Sent: Tuesday, June 21, 2016 07:36 Subject: Stus-List Alternator Failure Well, It's happened again. The "ignition&quo

Re: Stus-List Alternator Failure

2016-06-21 Thread Ron Ricci via CnC-List
, 2016 7:37 AM To: C&C List Cc: Gary Russell Subject: Stus-List Alternator Failure Well, It's happened again. The "ignition" key on my diesel got shut off while the engine was running (before stopping the engine with the stop lever) and it fried the diodes in the alternator.

Re: Stus-List Alternator Failure

2016-06-21 Thread Della Barba, Joe via CnC-List
Russell Subject: Stus-List Alternator Failure Well, It's happened again. The "ignition" key on my diesel got shut off while the engine was running (before stopping the engine with the stop lever) and it fried the diodes in the alternator. Question #1. Can anyone explain the

Stus-List Alternator Failure

2016-06-21 Thread Gary Russell via CnC-List
Well, It's happened again. The "ignition" key on my diesel got shut off while the engine was running (before stopping the engine with the stop lever) and it fried the diodes in the alternator. Question #1. Can anyone explain the failure mechanism to me? Question #2. On my last boat I was able