Good advice. I replaced a water pump on a Yanmar on a J30 with exactly the
same issue.
Dennis C.
>________________________________
> From: Ed Levert <elev...@grayinsco.com>
>To: "cnc-list@cnc-list.com" <cnc-list@cnc-list.com>
>Sent: Tuesday, December 3, 2013 3:59 PM
>Subject: Re: Stus-List Stiff throttle and belt recommendations for Yanmar
>2GM20 on cnc 30 mkII
>
>
>
>
>By whatever means you use to tension the belt, do not over tension. I do not
>have my manual before me but I am certain Yanmar directs that the belt be
>tensioned only to the point where it can be deflected about 1/2 inch. I had
>rebuilt a water pump on a 2 QM15 Yanmar, overtightened the belt, and had the
>pump's shaft ream out the fitted whole in the pump's pulley and then have the
>shaft destroyed (rounded off) where it was to match with the pully. Took
>probably less than an hour of operation for the damage to be done.
>
>Ed
>C&C 34 Briar Patch
>New Orleans, La.
>
>From:CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Jim Watts
>Sent: Tuesday, December 03, 2013 3:45 PM
>To: 1 CnC List
>Subject: Re: Stus-List Stiff throttle and belt recommendations for Yamar 2GM20
>on cnc 30 mkII
>
>The nice thing about the jack is that it leaves you two hands to do things
>with. With my Yanmar, I need both. I could actually use a third, and another
>eyeball on a stalk. But I digress...
>Remember to take it out before you start the motor, it makes a really loud
>noise if you leave it in place.
>
>On 3 December 2013 11:52, dwight <dwight...@gmail.com> wrote:
>Maybe it’s not a good idea but I use the pump handle from my Navtec hydraulic
>backstay adjuster to tension the alternator belt which is right out front on
>the Universal M4-30…one less tool to carry on board
>>
>>
>>________________________________
>>
>>From:CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Jim Watts
>>Sent: December 3, 2013 10:54 AM
>>To: 1 CnC List
>>Subject: Re: Stus-List Stiff throttle and belt recommendations for Yamar
>>2GM20 on cnc 30 mkII
>>
>>I would not be without this belt tensioning tool. I'm thinking of buying a
>>couple more just in case the ones I have break. They are really hard to find.
>>http://www.mscdirect.com/product/35438209?rItem=35438209
>>As for belts, several sources have told me that Gates makes the best belts,
>>cogged or otherwise.
>>
>>On 3 December 2013 06:07, Aaron Rouhi <admiralmag...@outlook.com> wrote:
>>3) I don't own a belt tensioner so instead I use an Irwin Quick Grip
>>Clamps/Spreader to tension it. Not ideal but it works...
>>
>>Cheers,
>>Aaron R.
>>Admiral Maggie,
>>1979 C&C 30 MK1 #540
>>Annapolis, MD
>>
>>
>>________________________________
>>
>>Date: Mon, 2 Dec 2013 22:03:28 -0800
>>From: kevindrisc...@gmail.com
>>To: cnc-list@cnc-list.com
>>Subject: Stus-List Stiff throttle and belt recommendations for Yamar 2GM20 on
>>cnc 30 mkII
>>
>>Our new to us 30-2 started sounding a bit hollow and throwing some stream out
>>of exist the other night so I opened the water pump Sunday and found this:
>>https://docs.google.com/file/d/0BwhcX19YaPJ8N3E0cmJrYWwyTlE/edit?usp=docslist_api
>> Only one of the fins appeared to be completely in tact
>>So my questions are:
>>(1) - What is the best toothed belt easily obtained as a replacement? (I read
>>the Yanmar belts were less than stellar)
>>(2) - How would you clean pullies before reassembly?
>>(3) - 30 mk-2 owners....How the h€ll does one tighten an alternator belt on
>>the 2GM20 with the nut facing the back of the nut facing the stern and almost
>>completely inaccessible.
>>(4) - The throttle is painfully stiff to the point I almost need two hands to
>>move it. Is there an easy lubrication point to get it moving again till I
>>can replace the cable?
>>Thanks everybody.
>>Kevin
>>s/v Osprey
>>C&C 30 mkII
>>Pic from Thanksgiving:
>>https://docs.google.com/file/d/0BwhcX19YaPJ8QWtlbGE2NzhYRzQ/edit?usp=docslist_api
>>Sent from my Tablet
>>
>>_______________________________________________ This List is provided by the
>>C&C Photo Album http://www.cncphotoalbum.com CnC-List@cnc-list.com
>>
>>_______________________________________________
>>This List is provided by the C&C Photo Album
>>http://www.cncphotoalbum.com
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>>
>>
>>
>>--
>>Jim Watts
>>Paradigm Shift
>>C&C 35 Mk III
>>Victoria, BC
>>
>>________________________________
>>
>>No virus found in this message.
>>Checked by AVG - www.avg.com
>>Version: 2012.0.2247 / Virus Database: 3629/6387 - Release Date: 12/03/13
>>
>>_______________________________________________
>>This List is provided by the C&C Photo Album
>>http://www.cncphotoalbum.com
>>CnC-List@cnc-list.com
>
>
>
>--
>Jim Watts
>Paradigm Shift
>C&C 35 Mk III
>Victoria, BC
>_______________________________________________
>This List is provided by the C&C Photo Album
>http://www.cncphotoalbum.com
>CnC-List@cnc-list.com
>
>
>
_______________________________________________
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