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Type: Posts; User: john maddock

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    Re: Hydraulics myths

    The next tip from Brendan Casey:

    Hello John,
    In your last hydraulics bulletin, we talked about how to check cylinder rod buckling loads and stop your cylinder rods from bending - to...
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    Re: Hydraulics myths

    Happy to Ironhead, although I expect they'll stop in due course - unless Brendan Casey is reading this and writes a few extra just for BFFers! :)

    I have to admit the first one still stresses my...
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    Re: Hydraulics myths

    More from Brendan Casey:


    Hello John,
    In your last hydraulics bulletin, we discussed the cylinder life extension benefits presented by alternative rod surface treatments.
    Today I...
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    Re: Hydraulics myths

    Traps! More from Brendan Casey

    John,

    Clause 5.4.6.5.1 a) of ISO 4413 "Hydraulic fluid power - General rules and safety
    requirements for systems and their components" states: "hose...
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    Re: Hydraulics myths

    Hello John,
    In your last hydraulics bulletin, I explained the benefits of installing a bellows or shroud on a hydraulic cylinder.
    Today I want to talk about alternative rod-surface...
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    Re: Hydraulics myths

    The next installment from Brendan Casey:

    Hello John,
    In your last few hydraulics bulletins, we've talked about repairing and testing hydraulic cylinders.
    Today I want to explain...
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    Re: Hydraulics myths

    The next installment from Brendan Casey:info too good to not pass it on :)


    Hello John,
    In your last hydraulics bulletin, I explained how to use volumetric efficiency to correctly...
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    Re: Hydraulics myths

    More from Brendan Casey:

    Hello John,
    In your last couple of hydraulics bulletins, we talked about how to avoid troubleshooting mistakes by checking and eliminating the easy things...
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    Re: 3 phase : rotation of motor.

    If it has an auto cutoff switch, it will be a very useful tool. I fitted a limit switch which operates when the blade cuts through and drops a few millimetres. Insert the material to be cut, press...
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    Re: Hydraulics myths

    Hello John,
    In your last several hydraulics bulletins I've exploded five popular hydraulics myths. And I invited you to get YOUR copy of Insider Secrets to Hydraulics.
    Today I want to...
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    Re: Rolling resistance

    Nothing! Busy with other work. I found several places in other states which sell used padfoot (sheepsfoot) shells normally used by being clamped around smooth rollers. Priced around AUD3k, plus...
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    Re: New Sneaker

    That's a lot of moola for a toe protector!;):eek:
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    Re: Hydraulics myths

    Another mythbuster from Brendan Casey - much more esoteric, this time.

    JV

    Today I want to clarifiy another myth, that causes a lot of hydraulic problems - and even failures ...
    Myth...
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    Re: Weidemann electronic issue

    And beware a trap for young (and old!) players: my JD ride-on has a seat switch which has twin contacts. I forget the detail of how it works, but simply jumpering it with a length of wire does not...
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    Re: Hydraulics myths

    In your last hydraulics bulletin, I explained how to add oil to a hydraulic system - without the dirt.
    Today I want to clear up another popular misconception, about the installation of...
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    Re: Hydraulics myths

    [QUOTE=Footsfitter;312519]My answer has to be- a good quality one in either application.

    Some people have terrible hygiene standards when it come to decanting oil into engines- dirty jugs and...
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    Re: Hydraulics myths

    Good info, FF. Thankyou.

    Which filters have the best filtering capacity: engine oil or fuel?

    JV
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    Re: Hydraulics myths

    A very interesting comment, FF. I'm not familiar with a "revolver". What is it & how does it work?

    JV
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    Re: Hydraulics myths

    FF wrote:

    Of course, now 35+yrs on the complexities of some hydraulic systems have become mind boggling, same go for todays electrical & electronic systems too.[/QUOTE]

    Not wrong, FF,...
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    Re: Rolling resistance

    Greensill & Cameron are certainly known here - but not universally. Only those reading the specialist news feeds would be aware.

    I presume the Aus connection is Julie Bishop, our Foreign Minister...
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    Hydraulics myths

    I recently needed to re-subscribe to a hydraulics newsletter, and as a consequence I'm receiving back issues.

    The one below took me a while to understand when I first read it a few years ago, so I...
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    Re: Rolling resistance

    Blood oath, Ex! Me too!:eek:

    On tother hand, should a certain politician (or more, for that matter) be standing on a street corner, I'd be very happy to take advantage & change some fat cats into...
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    Re: Rolling resistance

    Ha! Well spotted Ex! I hadn't thought about that, but it's obviously a potential trap. Since the roller will be used to consolidate soil on a new dam, it will be used on the level. However, during...
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    Re: Rolling resistance

    Good questions Ironhead.

    I don't know how the Nebraska test was conducted coz that info came from here:

    http://www.tractordata.com/farm-trac...225-tests.html

    No info that I can see if the...
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    Rolling resistance

    My principal question to the BFF Brains Trust is this: will my MF4225 pull a 7t. sheep's foot (padfoot) roller?

    The tractor's Nebraska Test says it will pull 3.6t. How does that figure relate to...
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