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  1. #1
    Join Date
    Aug 2004
    Location
    Perth Western Australia
    Age
    65
    Posts
    203

    Default Air operated oil gun

    I have just finished modifying a air operated grease gun to lubricate my new to me late 70s Ruhla mill.
    The mill has a combination of grease style nipples and large zerk nipples.
    My trusty Reilang oiler was not suitable for any of these.
    So I started with a quality grease gun and modified it.
    I replaced the fill nipple with a Schrader valve but retained the vacuum breaker then I added a 8mm pick up hose with a inline non-return valve.
    I sealed the barrel of the gun with silver solder.
    The gun requires a recommended air pressure between 40 and 90 PSI. I was sure I didn't need 6000 psi of oil pressure, so I added a requlator to reduce the inlet air pressure to 40 PSI.
    I'm not sure its necessary but a few pumps from my bike pump to pressurize the gun and its primed in no time and the non-return valve makes sure it stays primed.
    Amazon has some zerk accessory kits, NPT fittings not BSP, but they completed the gun.
    Yes it was expensive, but its fun to use.
    Mark
    Attached Images Attached Images
    I've become a tool of my tools.

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