Did the same Balmar setup 14 years ago with the Digital Duo for the start battery. Had it rebuilt this year even though it may not have needed it.
Never looked back. Sent from my Verizon 4G LTE smartphone -------- Original message -------- From: ALAN BERGEN via CnC-List <cnc-list@cnc-list.com> Date: 8/13/17 11:32 AM (GMT-05:00) To: C&C <cnc-list@cnc-list.com> Cc: ALAN BERGEN <trya...@alumni.usc.edu> Subject: Re: Stus-List Hitachi Alternator woes... I replaced my original 35 amp alternator with a much larger capacity one. Defender had a sale on a Balmar alternator with an external regulator. With so much more drain (refrigeration, computer, MFD, etc.) it was a no brainer to make the change. My engine is a 3GMF (20 hp). Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR On Sun, Aug 13, 2017 at 3:09 AM, Matti Airas via CnC-List <cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>> wrote: Hi, I just had a similar charging issue. The motor is a Yanmar 3gm30f. The alternator was not original. With Nigel Calder's "Boatowners Mechanical and Electrical Manual" (highly, highly recommended!) I was able to trace the issue to a faulty charging regulator. We weren't close to home at the time, so I had call in a boat electrician to have it replaced. He just replaced the old alternator with a little-used second-hand Hitachi one. Couldn't really be picky at that point. As far as I understand, with ACRs, even any automotive charger from a car parts store would do, as long as it mechanically fits and the RPMs are in the correct ballpark. With your biggish house bank, you might want to get a slightly heftier alternator while at it. Cheers, Matti C&C 36 "Hurma" Helsinki, Finland On 13 August 2017 at 06:38, Dave via CnC-List <cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>> wrote: Good evening all, A new one on me, my batteries no longer appear to be fully charging via the alternator, while they do fully charge via shore power. Specifically, the (new) start battery sees only 12.56v while the engine is running, this is not sufficient to close the ACR, and the house bank (2 ea, also new, group 31 @ 130a/h ea). therefore receives no charge at all. Surprise! I believe this means the stock Hitachi 55a alternator is failing. Any thoughts on this and any recommendations on a replacement alternator? Thanks! Dave. Windstar, 33-2 with yanmar 2gm20 Sent from my iPad _______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.paypal.me_stumurray&d=DwMFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m=ejIS-UCaAaSoknaZUODawImRE-y2-L_jdeVgiF7MF_E&s=tJQNZm6Vig-vkkbEeXNwkaLm1IyIRjhW7bpNdc23dEk&e=> All Contributions are greatly appreciated! _______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://urldefense.proofpoint.com/v2/url?u=https-3A__www.paypal.me_stumurray&d=DwICAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m=ejIS-UCaAaSoknaZUODawImRE-y2-L_jdeVgiF7MF_E&s=tJQNZm6Vig-vkkbEeXNwkaLm1IyIRjhW7bpNdc23dEk&e= All Contributions are greatly appreciated! -- Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR
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