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  1. #1
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    Micronic centrifugal filters

    I'm curious about the micronic filter fitted to my recently acquired MF4225.

    As I understand it, the filter should be cleaned every 1000 hours.

    Is that all there is to it? Is it a better filter than the usual paper elements i.e. can it remove smaller particles than the paper?

    I presume a new seal needs to be fitted at each cleaning.

    The MF4225 appears to have an additional paper element filter adjacent to the external dual pumps. If the micronic filter is better than paper, why the paper element?

    Or am I missing something?

    JV
    Agtronix - the home of the Weedswiper

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    Re: Micronic centrifugal filters

    Quote Originally Posted by john maddock View Post
    I'm curious about the micronic filter fitted to my recently acquired MF4225.

    As I understand it, the filter should be cleaned every 1000 hours.

    Is that all there is to it? Is it a better filter than the usual paper elements i.e. can it remove smaller particles than the paper?

    I presume a new seal needs to be fitted at each cleaning.

    The MF4225 appears to have an additional paper element filter adjacent to the external dual pumps. If the micronic filter is better than paper, why the paper element?

    Or am I missing something?

    JV
    I think your MF Squealer will definetly suggest replacement, rather than cleaning.
    Had it's purpose explained a long while ago....must have gone into the grey matter department labelled "not likely to be immediately required"

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    Re: Micronic centrifugal filters

    Quote Originally Posted by Gee View Post
    I think your MF Squealer will definetly suggest replacement, rather than cleaning.
    Had it's purpose explained a long while ago....must have gone into the grey matter department labelled "not likely to be immediately required"
    Oops! Sorry, should have explained, the filter I'm interested in is on the transmission.

    JV
    Agtronix - the home of the Weedswiper

  4. #4
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    Re: Micronic centrifugal filters

    Quote Originally Posted by john maddock View Post
    Oops! Sorry, should have explained, the filter I'm interested in is on the transmission.

    JV




    Hello John,

    Had a look and can now see what you are on about! Its the can with the lines/grooves in its top? Only seen these on TD5 landrover engines where they fit one of those and a spin on cannister filter. Also came across a similar principle on a late 70's Scania 110 truck - it had a cannister you could remove and dig out the rubbery sort of sludge that a spinning rotor sprayed up the sides of the can.

    I Think you will find that the item above will have two bronze bushes for it to spin on and a pair of small jet holes underneath to make it spin round thereby spinning the sludge and bits to the outside of the can. On the TD5's you simply removed the two bolt lid, fished the filter out and slipped a new one over the shaft & refit the lid. On the one above it looks similar but not sure about the seal and saucer shaped thing below. need someone who has actually fiddled with one of these really
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    Re: Micronic centrifugal filters

    Quote Originally Posted by Footsfitter View Post




    Hello John,

    Had a look and can now see what you are on about! Its the can with the lines/grooves in its top? Only seen these on TD5 landrover engines where they fit one of those and a spin on cannister filter. Also came across a similar principle on a late 70's Scania 110 truck - it had a cannister you could remove and dig out the rubbery sort of sludge that a spinning rotor sprayed up the sides of the can.

    I Think you will find that the item above will have two bronze bushes for it to spin on and a pair of small jet holes underneath to make it spin round thereby spinning the sludge and bits to the outside of the can. On the TD5's you simply removed the two bolt lid, fished the filter out and slipped a new one over the shaft & refit the lid. On the one above it looks similar but not sure about the seal and saucer shaped thing below. need someone who has actually fiddled with one of these really
    Thanks Ff

    Very interesting!

    The parts diagram I have (p.# 3-XP31-018-A ) is different. Same model tractors, same serial numbers, but no can with grooves on top as your diagram shows. Numbers are different too.

    The only clue to what it does has come from this:

    https://www.used-massey-tractors.com...me/brochure-38

    p.24.

    Certainly shows more than just the cover in the diagram I have.

    More sleuthing required, I think.

    JV
    Agtronix - the home of the Weedswiper

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    Re: Micronic centrifugal filters

    Quote Originally Posted by john maddock View Post
    Thanks Ff

    Very interesting!

    The parts diagram I have (p.# 3-XP31-018-A ) is different. Same model tractors, same serial numbers, but no can with grooves on top as your diagram shows. Numbers are different too.

    The only clue to what it does has come from this:

    https://www.used-massey-tractors.com...me/brochure-38

    p.24.

    Certainly shows more than just the cover in the diagram I have.

    More sleuthing required, I think.

    JV
    Looking at that brochure, I can just make out the lines of the cannisters grooves in the cutaway picture, but interestingly I reckon that the saucer thing may be there to collect the muck? they say its cleanable so I wonder if you unbolt the spindle, clean it out and refit? The Landrover one was 100% bin it and fit a new one- maybe they developed a serviceable version for tight wads in far flung corners of the globe (may include Northumbria of course)
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