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Out mowing with the AC 160 (leaky seal?)
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 7970 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 2020 at 12:29pm
I can't tell from pic but isn't that one of those spring loaded reliefs that look like a grease zerk at first glance.
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garden_guy View Drop Down
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Joined: 05 Jul 2013
Location: Illinois
Points: 1113 		Post Options Post Options   Thanks (0) Thanks(0)   Quote garden_guy Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 2020 at 1:19pm
Originally posted by SteveM C/IL SteveM C/IL wrote:

I can't tell from pic but isn't that one of those spring loaded reliefs that look like a grease zerk at first glance.


Looks like this similar part from Fastenal to me. Maybe I'll just see if I can find a drop in replacement.
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Dave (NE) View Drop Down
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Joined: 12 Sep 2009
Location: Eagle Nebraska
Points: 2103 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave (NE) Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 2020 at 4:17pm
I plan on stopping by Surplus Center on Monday to see if they have the breathers that will fit the breather hole and how much they are.  I need a couple of them.  I'll let you know what I find out and how much they are.  Dave
Do not argue with an idiot. He will drag you down to his level and beat you with experience. Mark Twain.
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DiyDave View Drop Down
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Joined: 11 Sep 2009
Location: Gambrills, MD
Points: 50496 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 2020 at 5:58pm
The whole reason I posted it, was that its cheap, and has no moving parts, to fail.  Only here can we debate the virtues of a part, that costs less than $5...Wink
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Joined: 05 Jul 2013
Location: Illinois
Points: 1113 		Post Options Post Options   Thanks (0) Thanks(0)   Quote garden_guy Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2020 at 12:56am
Well it sure seems like a good upgrade to me. Works better than the "plugged vent" I've got going now, haha.

Any idea how many PSI the original relief vent was supposed to be? I see replacements in the 0.25 to 1.0 PSI range, or the 1 to 5 PSI range, or even higher.
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DiyDave View Drop Down
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Joined: 11 Sep 2009
Location: Gambrills, MD
Points: 50496 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2020 at 4:28am
Originally posted by garden_guy garden_guy wrote:

Well it sure seems like a good upgrade to me. Works better than the "plugged vent" I've got going now, haha.

Any idea how many PSI the original relief vent was supposed to be? I see replacements in the 0.25 to 1.0 PSI range, or the 1 to 5 PSI range, or even higher.

It can't be much pressure.  Brings to mind another thought. Have you got a IR thermometer?  If so, see what the temperature that gearbox is running, when its hot.  Much over 250ºF, and your oil is close to burnin...Wink
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Dave (NE) View Drop Down
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Joined: 12 Sep 2009
Location: Eagle Nebraska
Points: 2103 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave (NE) Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2020 at 1:34pm
Well, it takes a 1/8" breather plug for both my 172 spreader and my 5' snap coupler spreader.  Surplus Center does not carry these.  Plus, they only have curb side pick up due to the virus, so I wasn't able to go in and compare with what they had to readily determine the proper size.  Ended up keeping the couple 1/4" plugs I purchased to compare with what I had.

Went to Central States Hydraulic Services in Lincoln and picked up a couple of the 1/8" breather plugs and just got them installed.  $2.88 each.  Invoice says max press 150 psi and max temp 300F.  All ready to go now, I guess.
Do not argue with an idiot. He will drag you down to his level and beat you with experience. Mark Twain.
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garden_guy View Drop Down
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Joined: 05 Jul 2013
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Points: 1113 		Post Options Post Options   Thanks (0) Thanks(0)   Quote garden_guy Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jul 2020 at 7:41pm
Been spraying this with PB Blaster for off and on for a few weeks now. Came right out today, and man it was plugged up good. Nothing I tried would touch the gunk in here; I'd say its toast. I ordered a new one of the 1-5 PSI range from ebay.




Tried at Fastenal but the guy looked at me like I was crazy when I showed him the part I was looking for, haha.


Edited by garden_guy - 02 Jul 2020 at 7:42pm
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Tracy Martin TN View Drop Down
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Joined: 11 Sep 2009
Location: Gallatin,TN
Points: 10551 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tracy Martin TN Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jul 2020 at 9:26pm
Originally posted by garden_guy garden_guy wrote:

Originally posted by SteveM C/IL SteveM C/IL wrote:

I can't tell from pic but isn't that one of those spring loaded reliefs that look like a grease zerk at first glance.


Looks like this similar part from Fastenal to me. Maybe I'll just see if I can find a drop in replacement.

That looks like original. Just a little spring loaded pin with head on it. HTH Tracy
No greater gift than healthy grandkids!
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garden_guy View Drop Down
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Joined: 05 Jul 2013
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Points: 1113 		Post Options Post Options   Thanks (0) Thanks(0)   Quote garden_guy Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jul 2020 at 10:04pm
Got a pair of 1-5 PSI replacement plugs on my way from ebay. They appear to be 1/8" NPT.
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Dave (NE) View Drop Down
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Joined: 12 Sep 2009
Location: Eagle Nebraska
Points: 2103 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave (NE) Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jul 2020 at 10:40am
Here is a picture of the breather plug I installed.  It is the screen type plug as discussed above.  Also, are some pictures of the plugs I removed.  The one on the left is from my 172 spreader.  On the right, from my snap coupler spreader.  Hope this works.
Do not argue with an idiot. He will drag you down to his level and beat you with experience. Mark Twain.
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garden_guy View Drop Down
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Joined: 05 Jul 2013
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Points: 1113 		Post Options Post Options   Thanks (0) Thanks(0)   Quote garden_guy Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jul 2020 at 5:23pm
Looks nice Dave! I got that kind of breather plug that will fit in the filler neck. I've got an original style "grease zerk" looking plug coming from ebay this week. Really hoping this solves the issue -- let me know how yours works for you!!
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Dave (NE) View Drop Down
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Joined: 12 Sep 2009
Location: Eagle Nebraska
Points: 2103 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave (NE) Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jul 2020 at 5:43pm
Well, I was fortunate and didn't have problems to start with, so hope this new plug will prevent any possible future problems.  Very interesting to find out all of this information about breather plugs and the need for them.  Did not even have any knowledge of them until I had issues with the single action cylinder on my shredder.  Got it rebuilt with one of those plugs installed and it has worked fine.  Can anyone explain the PSI needs/requirements?  As I mentioned, mine said 150 psi.  You state 1-5 psi.  What's the deal? 
Do not argue with an idiot. He will drag you down to his level and beat you with experience. Mark Twain.
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garden_guy View Drop Down
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Joined: 05 Jul 2013
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Points: 1113 		Post Options Post Options   Thanks (0) Thanks(0)   Quote garden_guy Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jul 2020 at 7:49pm
Dave, I could find zero information on what I was looking for. Whereas those breather plugs operate both directions all the time, I believe the ones I bought in the "1-5 PSI range" means that they have a 1-5 PSI cracking pressure before they open, which I feel is pretty low. Fingers crossed that fixes it for me, but if not, I have a breather like you have to put in the other plug spot.
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