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| Broken grease bolt on GTR37 http://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=41&t=63781 |
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| Author: | NegativeNed [ Sun Sep 20, 2015 7:47 pm ] |
| Post subject: | Broken grease bolt on GTR37 |
I managed to over torque my drain plug after pumping fresh grease in my upper zerk. I noticed that the plug had a hollow shaft as pictured. Is there a reason that this is designed this way or could I get away with just replacing it with a same sized bolt? 20150920_212137.jpg |
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| Author: | jc [ Sun Sep 20, 2015 7:54 pm ] |
| Post subject: | Re: Broken grease bolt on GTR37 |
Is that the new lower unit? My guess is that it is a pipe thread and not a regular bolt. It looks like a brass pipe plug. I would replace with the same in case it ever gets broke off it will be easier to remove. |
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| Author: | kibb [ Sun Sep 20, 2015 7:57 pm ] |
| Post subject: | Re: Broken grease bolt on GTR37 |
It's going to have different threads than a bolt. Go to a hardware store or big box home improvement store and match it up. |
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| Author: | msm8281 [ Sun Sep 20, 2015 8:04 pm ] |
| Post subject: | Re: Broken grease bolt on GTR37 |
Damn u lucky it broke and not cracked the cast LU. That's probably an NPT thread like others have said. |
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| Author: | NegativeNed [ Sun Sep 20, 2015 8:07 pm ] |
| Post subject: | Re: Broken grease bolt on GTR37 |
Yeah, it's on the new lower unit. I found a matching size/threaded stainless bolt at lowes that will work. I just wasn't sure about it having a hollow shaft. I'm gonna call gator tail in the am and ask them. It just drives me crazy when stuff like this happens over the weekend. |
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| Author: | SETx Longtail [ Mon Sep 21, 2015 3:38 pm ] |
| Post subject: | Re: Broken grease bolt on GTR37 |
Even if the threads "match" the plug you broke is tapered. A bolt will never tighten up in that hole till it bottoms out. A pipe plug is tapered so it gets tighter the farther you thread it in. -get a correctly sized pipe plug for it and don't ovrrtighten it. It doesn't have to be retarded gorilla tight. |
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| Author: | NegativeNed [ Mon Sep 21, 2015 9:01 pm ] |
| Post subject: | Re: Broken grease bolt on GTR37 |
Yeah, that's what I got. Just like this one. plug.jpg |
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| Author: | SETx Longtail [ Mon Sep 21, 2015 9:57 pm ] |
| Post subject: | Re: Broken grease bolt on GTR37 |
10-4, put any Teflon on it? Don't know if GT recommends it but I can't see it being a bad thing... |
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