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How to tighten the oil pump shaft lock nut?

Discussion in 'Norton Commando Motorcycles (Classic)' started by disquek, Feb 3, 2019.

  1. disquek

    disquek

    Joined:
    Oct 5, 2015
    I cant find any past threads with a mention of soft oil pump gears. Can you please help me find them?

    The gear on my old pump is ok. I could pull it all apart and swap the old gear onto the new pump. But I'd like to understand if that's necessary. It's all back together now.

    Thank you!
     
  2. SteveA

    SteveA VIP MEMBER

    Joined:
    Dec 20, 2011
    https://www.accessnorton.com/NortonCommando/worn-oil-pump-worm-gear.22727/

    A thread I started 2017, look at Comnoz' inputs re hardness of worm gear and pump gear.

    The gears are on the bench now and both are worn, I have a couple of NOS worms, but can only find new pump gears.
     
  3. disquek

    disquek

    Joined:
    Oct 5, 2015
    Thanks for the heads up. I emailed AN asking if they were aware and if they had addressed the issue.
     
  4. concours

    concours VIP MEMBER

    Joined:
    Dec 29, 2011
    2B836133-F4C9-4831-AB0A-F98637222DB1.jpeg
    As mentioned, with a dog inserted to stop slippage. Works splendid.
     

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