54" MMM question (breather)
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Thread: 54" MMM question (breather)

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    Firemark's Avatar
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    54" MMM question (breather)

    Serviced MMM, checked and added a little gear oil, checked belt, greased and cleaned everything. When greasing, when adding oil, I noticed that cap on breather was loose. I was able to pull it off by hand. I put back over spring and crimped it with needle nose. Should I replace it ? It just seems to be a loose fitting cap over a spring. It didn't look overly complicated.
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    romcjr's Avatar
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    Pretty sure it is supposed to be loose like that . Cap is mostly a dirt and water deterrent . It should be fine just crimped back on as long as it is still floppy without falling off .
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    Ron
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    Should be a little loose but not enough to come off. I had it come off and I didn't realize. I leave the deck outside when not installed and it got water in the gear box. Trashed the bearings before I had checked the oil. I would replace it - cheap insurance.


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    Ray_PA's Avatar
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    The breather is actually a pressure breather. The spring holds pressure on a valve inside the breather. The breather only opens when the internal gear box pressure reaches to about 2 psi. It is not normally open to atmosphere.
    If you pick the mmm up on end and gear oil runs out the breather, the breather is bad. Replace it.

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    vt2305 likes this.
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    Firemark's Avatar
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    Thanks Guys!
    2016-1025 FILB, 54" FEL, 54" Front Blower, 54" MMM, Brush Guards, Front and rear LED work lights
    BXpanded-backhoe thumb, bucket teeth, backhoe dolly
    Kens hooks w/ shackles (3 on Bucket), Diff Lock Pedal, backhoe steps
    Artillian Blinders
    Bush hog SBX 480 box blade, BX 600 box Blade
    Frontier LR2060L landscape Rake w/ gauge wheels, subsoiler
    Woods RBC 60 Rear Blade
    Land Pride QH-15 quick hitch
    Everything Attachments 60" Pine Needle Raked
    Garber Easy Seed 60" drop spreader

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