Yanmar 2GM loss of prime whilst sailing - SailNet Community

   Search Sailnet:

 forums  store  


Quick Menu
Forums           
Articles          
Galleries        
Chat  
Boat Reviews  
Classifieds     
Search SailNet 
Boat Search (new)

Shop the
SailNet Store
Anchor Locker
Boatbuilding & Repair
Charts
Clothing
Electrical
Electronics
Engine
Hatches and Portlights
Interior And Galley
Maintenance
Marine Electronics
Navigation
Other Items
Plumbing and Pumps
Rigging
Safety
Sailing Hardware
Trailer & Watersports
Clearance Items

Advertise Here






Go Back   SailNet Community > On Board > Gear & Maintenance > Engines > Diesel
 Not a Member? 
  #1  
Old 05-31-2010
Junior Member
 
Join Date: May 2010
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
DufourJon is on a distinguished road
Question Yanmar 2GM loss of prime whilst sailing

All,
I have a problem! And, whilst scouring the web for an answer I found this site, so joined and hopefully there may just be an experienced sea dog out there who could help. Here goes with the symptons of the problem...
1. Starting with boat in marina and raw water primed through filter.
2. Engine starts and runs fine whilst flat in marina etc, but when the yacht starts to keel or is in rough choppy water the prime in the raw filter slowly goes down until it is dry.
3. The engine a Yanmar 2GM, there is a single through hull sea **** for the engine, there is an anit-syphon valve and the exhaust has just been replaced with a new waterlock. Impellor looks good with no scouring on the plate.
4. There is no fresh water on the Yamar
Having just had to be rescued which was a trifle embarrasing in a Force 5 HELP Please...
The only thing I can think of, and this come from this site is that the strainer is quite high up... about the hight of the pump... maybe a little higher, I would need to check - but people are saying it should be low?
Reply With Quote Quick reply to this message Share with Facebook
  #2  
Old 06-01-2010
DrB DrB is offline
Senior Member
 
Join Date: Mar 2007
Location: New England
Posts: 966
Thanks: 0
Thanked 7 Times in 7 Posts
Rep Power: 8
DrB will become famous soon enough
Location of Strainer Inlet

Where on the bottom is the inlet for the engine cooling water located? Is near the centerline of the boat on the bottom or more towards waterline? If you heel the boat (while the motor is running) does the side to which the heel is being done make a difference, ie if the boat is heeled to port the problem is noticable, but when heeled to starboard it doesn't, or vice versa?
__________________
If you liked my advice/response, give me some rep points. If you didn't......well what do you expect, it was free.
Reply With Quote Quick reply to this message Share with Facebook
  #3  
Old 06-02-2010
Junior Member
 
Join Date: May 2010
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
DufourJon is on a distinguished road
Cool Strainer location -

Thanks for the message - the strainer sea **** (feed) is just off the centre line to s'bd but the problem does not seem to change irrespective of tack... it does it even if the boat pitches for and aft.
Reply With Quote Quick reply to this message Share with Facebook
Reply

Quick Reply
Message:
Options

By choosing to post the reply above you agree to the rules you agreed to when joining Sailnet.
Click Here to view those rules.

Register Now

In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

 
Posting Rules
You may post new threads
You may post replies
You may post attachments
You may edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Cats on Board slosharron Living Aboard 74 04-07-2014 10:12 AM
How to Find a Good Sailing School for Your Child Michelle Potter Her Sailnet Articles 0 05-24-2000 09:00 PM


All times are GMT -4. The time now is 11:42 AM.

Add to My Yahoo!         
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2015, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.1
(c) Marine.com LLC 2000-2012

The SailNet.com store is owned and operated by a company independent of the SailNet.com forum. You are now leaving the SailNet forum. Click OK to continue or Cancel to return to the SailNet forum.