Why is the prop turning if you are in gear? Gary ~~~~~~~_/)~~~~~~
On Wed, Jun 8, 2016 at 1:09 PM, Rick Brass via CnC-List < cnc-list@cnc-list.com> wrote: > The point is that the engine and any gears in the transmission are not > turning, but the prop shaft will be rotating in the forward direction. So > the clutch plate that transmits power to the prop shaft will be turning, > with very light pressure between the drive plate and the clutch surface > (which, IIRC, on a Kanzaki is a double ended cone?). That leads to glazing > of the drive and driven plates, rapid clutch wear, and premature > transmission rebuild. > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Gary > Russell via CnC-List > *Sent:* Wednesday, June 08, 2016 11:49 AM > *To:* C&C List <cnc-list@cnc-list.com> > *Cc:* Gary Russell <captnga...@gmail.com> > *Subject:* Re: Stus-List Kanzaki Transmission in forward or reverse while > sailing? > > > > How can a transmission in reverse (gears not turning) cause wear? I'm > dumb-founded. > > Gary > > S/V Kaylarah > > > ~~~~~~~_/)~~~~~~ > > > > On Wed, Jun 8, 2016 at 10:17 AM, Joel Aronson via CnC-List < > cnc-list@cnc-list.com> wrote: > > Advisory Number: MSA08-003: > > DATE February 8, 2008 Dealers and OEMs > TO: All Marine Distributors > SUBJECT: Gear in Neutral While Sailing All MODELS: > > All Sailboat Engines > > We continue to get questions regarding the correct gear position while > sailing with the engine OFF. This advisory is issued as a reminder; Yanmar > requires that if sailing with the engine OFF (not running) the transmission > shifter must be in the neutral position or internal damage to the gear or > sail-drive will result. This damage will not be covered by Yanmar's Limited > Warranty. Please instruct customers and dealers who deliver the sailboat to > the customer, of the correct (Neutral) position for the marine gear while > sailing. > > If the customer desires that the propeller shaft not spin while sailing, > either a folding propeller, shaft break, or other suitable device may be > used. However, Yanmar accepts no responsibility for the selection, > installation, or operation of such devices. Please also refer to Marine > service advisory "MSA07-001_Yanmar Sail Drive Propeller Selection" for > additional information. > > If you have any questions regarding this advisory please contact a > Customer Support representative." > > > > On Wed, Jun 8, 2016 at 10:13 AM, Joel Aronson <joel.aron...@gmail.com> > wrote: > > Yes, I found the bulletin several years ago. > > > > Joel > > > > On Wed, Jun 8, 2016 at 10:08 AM, Hoyt, Mike via CnC-List < > cnc-list@cnc-list.com> wrote: > > Can anybody verify this? > > > > We have a Kanzaki KM3P transmission on our Yanmar 3GM30F. We always have > in reverse while sailing. > > > > It would be very good to know if this is a roblem! > > > > Mike > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Paul > Baker via CnC-List > *Sent:* Wednesday, June 08, 2016 11:05 AM > *To:* cnc-list@cnc-list.com > *Cc:* Paul Baker > *Subject:* Re: Stus-List Transmission in forward or reverse while sailing? > > > > It depends on your transmission and engine. Yanmar had a bulletin a while > back for their engines with Kanzaki transmissions stating that they should > always be in neutral when sailing. Damage or wear to the transmission would > occur otherwise. > Cheers, > Paul. > > > Date: Wed, 8 Jun 2016 06:36:50 -0400 > > To: cnc-list@cnc-list.com > > Subject: Stus-List Transmission in forward or reverse while sailing? > > From: cnc-list@cnc-list.com > > CC: ghnewt...@gmail.com > > > > Which gear is recommended (forward or reverse) while sailing? When the > transmission is in forward I can feel the shaft turning while sailing. When > it is in reverse I don't feel it. Which is preferred? > > > > Sent from my iPad > > _______________________________________________ > > > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > > > > > > -- > > Joel > 301 541 8551 > > > > > > -- > > Joel > 301 541 8551 > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > >
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