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  1. #1
    Join Date
    Jul 2001
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    36,248

    Default Beta 14HP coolant draining if unable to get the drain plug out

    .
    Self and various other people tried to get the drain plug out of the engine three years ago. No way is that going to happen. Ended up sucking as much coolant out as possible after removing the tube stack from the heat exchanger.

    Is there any way of getting more coolant out of the engine?


    - W

  2. #2
    Join Date
    Nov 2001
    Location
    Me: Johannesburg South Africa Yacht: Richards Bay East Coast Africa
    Posts
    7,248

    Default Re: Beta 14HP coolant draining if unable to get the drain plug out

    Quote Originally Posted by webcraft View Post
    .
    Self and various other people tried to get the drain plug out of the engine three years ago. No way is that going to happen. Ended up sucking as much coolant out as possible after removing the tube stack from the heat exchanger.

    Is there any way of getting more coolant out of the engine?


    - W
    You could try using compressed air to blow the remaining coolant out
    Life is too short not to have a sea view
    Distantshaws tinyurl.com/yclt6l68

  3. #3
    Join Date
    Jul 2001
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    Cyberspace
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    36,248

    Default Re: Beta 14HP coolant draining if unable to get the drain plug out

    Quote Originally Posted by Rogershaw View Post
    You could try using compressed air to blow the remaining coolant out
    Is there not a danger of blowing gunge into crevices and constrictions?

    What about just running the engine?


    - W

  4. #4
    Join Date
    Oct 2001
    Location
    Solent
    Posts
    196

    Default Re: Beta 14HP coolant draining if unable to get the drain plug out

    I has a similar problem with one of its larger siblings. The plug was a 1/4" BSP thread. I bought a replacement, heated the existing plug with a small gas soldering torch and grasped it with a good quality Mole-type wrench. This mangled it a bit but it did unscrew and come out! The replacement was inserted with some PTFE tape and has yielded to a spanner since. It may be worth retrying your plug as it will allow you to drain and flush the block.

  5. #5
    Join Date
    Nov 2001
    Location
    Me: Johannesburg South Africa Yacht: Richards Bay East Coast Africa
    Posts
    7,248

    Default Re: Beta 14HP coolant draining if unable to get the drain plug out

    Quote Originally Posted by webcraft View Post
    Is there not a danger of blowing gunge into crevices and constrictions?

    What about just running the engine?


    - W
    No its more likely to blow all the gunge out of any crevices and open up any constrictions.

    Just cover the engine with rags other the gunge will go everywhere.
    Life is too short not to have a sea view
    Distantshaws tinyurl.com/yclt6l68

  6. #6
    Join Date
    Jul 2001
    Location
    Cyberspace
    Posts
    36,248

    Default Re: Beta 14HP coolant draining if unable to get the drain plug out

    .
    Quote Originally Posted by Rogershaw View Post
    No its more likely to blow all the gunge out of any crevices and open up any constrictions.

    Just cover the engine with rags other the gunge will go everywhere.


    OK, sounds promising . . . now, where do I get the compressed air from??

    - W

  7. #7
    Join Date
    Dec 2013
    Posts
    281

    Default Re: Beta 14HP coolant draining if unable to get the drain plug out

    02dae574daa222221f3affb87e1cd4f4.jpg

    Sorry, couldn't resist.

    You could rent one with an air gun from any local plant hire place.
    Any yard or marina near by with workshop is bound to have one.
    If you're near Hamble - I've got one.

    Coolant capacity of the 14 is 2.5L btw.
    Last edited by ganter; 18-10-19 at 08:03.

  8. #8
    Join Date
    Oct 2013
    Location
    Shropshire - Sundance, Bristol Channel
    Posts
    1,091

    Default Re: Beta 14HP coolant draining if unable to get the drain plug out

    Quote Originally Posted by webcraft View Post
    .




    OK, sounds promising . . . now, where do I get the compressed air from??

    - W
    I think Aldi are selling a small compressor
    Tom, Sundance
    2wheels1keel.com

  9. #9
    Join Date
    Nov 2009
    Location
    Home UK Midlands / Boat Croatia
    Posts
    21,096

    Default Re: Beta 14HP coolant draining if unable to get the drain plug out

    Quote Originally Posted by webcraft View Post
    .
    Self and various other people tried to get the drain plug out of the engine three years ago. No way is that going to happen. Ended up sucking as much coolant out as possible after removing the tube stack from the heat exchanger.

    Is there any way of getting more coolant out of the engine?


    - W
    Is there not a coolant hose (calorifier/pump) which runs to a low point which you could just unclip? After that just refill and run for a few times with plain water and all the old coolant will be gone.

    Richard

  10. #10
    Join Date
    Jun 2007
    Location
    Home: North West, Boat: The Clyde
    Posts
    3,714

    Default Re: Beta 14HP coolant draining if unable to get the drain plug out

    Iíve recently changed the OAT coolant in my 6 year old Yanmar. It has 2 drain plugs, one near the heat exchanger and the other low on the block. Atmospheric pressure alone was insufficient to drain the coolant completely, or not with my low patience threshold. I simply gave the cooler a good clean and blew into the system, it worked a treat. I also added a couple of litres of fresh water as a flush prior to adding the new coolant. Simple mouth blowing pressure was fine to completely drain the system.

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