Results 1 to 4 of 4

Thread: Stupid question??

  1. #1
    Member willster33's Avatar
    Join Date
    Feb 2007
    Location
    Wasilla
    Posts
    122

    Default Stupid question??

    I recently had some work done on my Hamilton 211 jet, rebuilt impeller and new cutlass baring sleeve. The question is what is the cutlass bearing sleeve?? I thought that it was the sleeve that the jet runs in.

    Will

  2. #2
    Member Dupont Spinner's Avatar
    Join Date
    Jun 2007
    Location
    Chugiak
    Posts
    1,425

    Default

    The sleeve goes over the shaft and this all inserts to the tail housing. Running the slity/salty waters we do in Ak requires good maintenance and don't be afaraid to put the grease to it often

    Here is a link to some good pics and info. The sleeve is the 3rd picture.

    http://www.nzjetboating.com/jetunit.htm#ham212

  3. #3
    Member willster33's Avatar
    Join Date
    Feb 2007
    Location
    Wasilla
    Posts
    122

    Default Great link Dupont

    So the impeller shaft runs in the cutlass bearing. What is the housing that touches the outside edges of the impeller tips ? The edges that get dinged by rocks and stuff? I have noticed that the tube that my impeller edges run up against is a bit scratched up and I can see where at some time in the past the jet ran up against it and scratched it or it was a rock that was sucked in and went around a bit. Is this surface important?
    Will

  4. #4
    Member Dupont Spinner's Avatar
    Join Date
    Jun 2007
    Location
    Chugiak
    Posts
    1,425

    Default

    Yes

    The tube around the impeller is the impeller sleeve. The impeller sleeve is very important. The impeller runs in close tolerance to the sleeve to help push water out under pressure. As the gap between the impeller and sleeve widens you lose efficiency. The vanes (stator) you see are to keep the water from spinning (loss of efficiency) on exit.

    It's also important to never run your jet without water. The impeller can contact the sleeve and very possible to ruin your shaft bearings.

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •