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Combination Injectors

Discussion in 'Locomotive Engineering M.I.C' started by Steve, Apr 3, 2018.

  1. Steve

    Steve Resident of Nat Pres Friend

    Oct 7, 2006
    Likes Received:
    Gentleman of leisure, nowadays
    Near Leeds
    Heritage Railway Volunteer:
    Yes I am an active volunteer
    Combination injectors (those fitted to firebox backheads and incorporating the steam and water valves and clackbox in the same casting as the injector) are notorious for leaking clack valves as they get older and it seems very difficult to cure them.. I have my own theory as to why but before I say anything, I wondered if anyone else had any thoughts on the subject, both why the problem exists and how to solve the problem?

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