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  1. #1
    Matrix 4-Tec spannerspencer's Avatar
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    crankcase sealer, areas to apply it|? (the manual dosent show it)

    guys, can anybody show me where to apply the sealer before i re bond the two halfs?

    basicly i just dont want to get it wrong.

    obviously i can see where the old sealer was (deliberatly left the it there for now) but just incase can somebody help me here.

    cheers


  2. #2

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    It won't hurt to have it on all mating surfaces, but what I do is this:



    And yes that's about as far as my photo editing goes ... Just make sure you go with a nice thin uniform layer. My $0.02

  3. #3
    shrabber's Avatar
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    All mating surfaces I used three bond bead it and spread it evenly with index and forfinger

  4. #4
    Fast & Loud meeper's Avatar
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    IMPORTANT: When beginning the application of
    the crankcase sealant, the assembly and the first
    torquing should be done within 10 minutes. It is
    suggested to have all you need on hand to save
    time.

    NOTE: It is recommended to apply this specific
    sealant as described here to get an uniform application
    without lumps. If you do not use the roller
    method, you may use your finger to uniformly distribute
    this sealant.

    Use the silicone-based Loctite 5910 (P/N 293 800
    081) on mating surfaces.

    CAUTION: Do not use other products to seal
    crankcase. Do not use an activator with the
    Loctite 5910. Using other products or non silicone-
    based sealant over a previously sealed
    crankcase with Loctite 5910 will lead to poor
    adhesion and possibly a leaking crankcase.
    NOTE: Refer to the product label for the sealant
    curing time. Respect the manufacturer's recommendations
    prior to start engine.

    Use a plexiglass plate and apply some sealant on
    it. Use a soft rubber roller (50 - 75 mm (2 - 3 in))
    (available in arts products suppliers for printmaking)
    and roll the sealant to get a thin uniform coat
    on the plate (spread as necessary). When ready,
    apply the sealant on crankcase mating surfaces.

    Do not apply in excess as it will spread out inside
    crankcase.


    Tighten cylinder block screws as per following procedure:
    Apply Loctite 243 (blue) (P/N 293 800 060) on
    screw threads.
    Torque cylinder block screws no. 3 to 40 N•m
    (29 lbf•ft) following sequence 1 to 8 and then to
    55 N•m (41 lbf•ft) (repeat sequence).
    Torque cylinder block screws no. 7 to 22 N•m
    (17 lbf•ft) following sequence 9 to 23.

  5. #5
    Matrix 4-Tec spannerspencer's Avatar
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    Quote Originally Posted by B.L.P. View Post
    It won't hurt to have it on all mating surfaces, but what I do is this:



    And yes that's about as far as my photo editing goes ... Just make sure you go with a nice thin uniform layer. My $0.02


    this is what i was after (yes my split crank case shows similar imprint but worth asking the question)

    ive got a nearly new tube of three bond so will use that (have done this before but on the weber MPE engine.

    thank you

  6. #6
    I use three bond 1211, but don't spread it. I simply put a 1/16" or so bead in the center of all the mating areas, which goes on really quick, and very even as it is easier to judge how much is there. Then just put the case halves together. You know you have the right amount down if it appears around all the edges, but doesn't protude out very much.

    I adopted this method after seeing it done with a robot in an engine manufacturing facility.

  7. #7
    Matrix 4-Tec spannerspencer's Avatar
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    ACE

  8. #8
    West Texas RXP skoepp's Avatar
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    I roll it on.
    Makes it nice and neat!!

  9. #9
    Fast & Loud meeper's Avatar
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    i run a very small bead of right stuff sealant along where it needs to be, i favor the outside so it doesnt squish to the inside and hasnt failed me once...

  10. +1 by:


  11. #10
    Matrix 4-Tec spannerspencer's Avatar
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    Quote Originally Posted by meeper View Post
    i run a very small bead of right stuff sealant along where it needs to be, i favor the outside so it doesnt squish to the inside and hasnt failed me once...
    this is exactly how i did it the first/last time i did it with threebond

    thanks for all the imput

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