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  1. #1
    Gold Member dapper's Avatar
    Join Date
    Nov 2005
    Posts
    271
    Location
    S.W. Ohio
    Tractor
    NH TN-65, Ford/NH 3430, Ford/NH 3930, Kubota zd21

    Default Manifold bolts, how tight?

    Anyone know how tight to torque the exhaust manifold bolts on a NH3430? I am changing out the vertical exhaust, and will be replacing the manifold, and can not find this info.
    Thanks for your help
    Dap.

  2. #2
    Super Member RickB's Avatar
    Join Date
    Sep 2000
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    7,524
    Location
    Eastern NY
    Tractor
    Case 885, Ford 4000

    Default Re: Manifold bolts, how tight?

    Use the standard torque value for the diameter, pitch, and hardness of the bolts. Should be about 30 ft/lbs for 3/8-16 grade 5.

  3. #3
    Gold Member dapper's Avatar
    Join Date
    Nov 2005
    Posts
    271
    Location
    S.W. Ohio
    Tractor
    NH TN-65, Ford/NH 3430, Ford/NH 3930, Kubota zd21

    Default Re: Manifold bolts, how tight?

    Mr. B,
    As always your "THE MAN". Thanks for the answer on torque. And for being on line. Your an asset to all. I know all appreciate your wisdom as much as I.
    Thanks again.

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