Placement of Additional Hitachi Seals

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Please follow these images for location of additional O-rings

Step 1:

Step 2:

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    5 Discussions

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    MarkM757

    Question 8 days ago

    I've gotten through the whole re-build OK, except I'm struggling with the O-rings in the first two pictures (the ones that go onto the air line connections in the rear). How do you get the old ones out, and are there any tips for installing the new ones? It would be nice to have a little more than a couple of pictures.

    1 answer
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    MarkM757MarkM757

    Answer 8 days ago

    I needed to get through this project, so I figured out "a way" to get it done. I don't know if there's a better answer or not, but what I did was use pliers to grab a hold of the outer brass rim of the push-connect fitting and pull out somewhat gently on the fitting as I twisted it. This action allowed the springy prongs inside the fitting to work their way up over the ridge that keeps them inside the fitting, and it slipped out. With that piece out of the way it was much easier to get to the old O-rings and pull them out. I pushed the new O-rings down into place with a flat screw driver and then pushed the brass inner fitting back into place.
    Now that I'm through that....as constructive criticism...I'd like to say that it would be good if there were more explanation on how to change these O-rings, and it might be a good idea, assuming the process I used is advisable, if those inner brass pieces could have replacements in the re-build kit. (My two-cents)

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    RootX99

    2 years ago

    Should would have been nice to have these instructions come along with my purchase from ebay last week. As well, even if I combine this with your other set of instructions, you are still missing at least one o-ring installation.

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    gunguru

    3 years ago

    It sure would be nice to know what this is! I imagine this is an engine or a meat grinder or something else made by Hitachi! This really has no value without explanations.

    1 reply
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    DavorV1gunguru

    Reply 3 years ago

    This is an air compressor from Land Rover vehicles with air suspension.