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11-18-2007, 07:56 AM
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#1
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Montana Master
Join Date: May 2003
Location: New Bern
Posts: 4,294
M.O.C. #311
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I did not LISTEN to SELF (landing gear bolt )
We went on our Group Thanksgiving camping trip this weekend. Boy the Turkey was good. Thursday, I told my self I needed to pick up a couple of those bolts everyone is talking about.
Hooked up to come home and something(s) were not right. The landing jack motor was sounding funny (1st Clue) then I noticed the passenger side landing gear still down and the drivers side in the nested position. HUMM. Yep the bolt closest to the motor came loose, I found the nut, and then sheared itself. I had a 1/4 inch Allen wrench that worked as a temporary fix. I put the short side in the hole and tape the long side to the square shaft so it did not flop around and both side retracted as they should. Tomorrow I will get the spare bolts. Remember to get the correct length because there is not a lot of extra clearance there.
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11-18-2007, 08:00 AM
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#2
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Montana Master
Join Date: Jun 2004
Location: Benson
Posts: 3,121
M.O.C. #1658
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John,
I can't begin to count the times I haven't listened to myself and regretted it. If you had bought a spare you probably wouldn't have needed it.
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11-18-2007, 10:02 AM
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#3
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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You've convinced me.
I know there was some criteria for the bolts - not hardened, etc. Anybody remember?
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11-18-2007, 10:03 AM
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#4
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Montana Master
Join Date: Sep 2004
Location: Leona
Posts: 6,382
M.O.C. #2059
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Great ingenuity to work the temporary fix, John. Attaboy!!!
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11-18-2007, 11:42 AM
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#6
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,328
M.O.C. #3699
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I better go out and get a couple of spares for myself. Does that cap screw have an insert for an allen wrench? Is the exact length 1 1/4" but what is the diameter?
If you blow a bolt on one side, once you replace the shear bolt how to do align both sides so they are moving exactly the same distance once again??
Thanks!
__________________
Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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11-18-2007, 02:01 PM
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#7
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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I think the shaft would be pretty much in the same place, if it breaks on the drive side. I can't find the diameter in my notes. 1/4" ??
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11-18-2007, 02:26 PM
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#8
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Montana Master
Join Date: Sep 2003
Location: Sunshine
Posts: 1,445
M.O.C. #538
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Mind has a 1/4-20 allen head and a self locking nut.
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11-18-2007, 09:40 PM
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#9
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Montana Master
Join Date: Jan 2005
Location: Goshen
Posts: 1,058
M.O.C. #2827
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With hydraulic legs, I don't have that problem. Also, don't have that landing leg cross shaft going across the top of that storage locker from one leg to the other restricting what I can or can't put in there.
But, yes. For that shaft, especially at the motor end, you want a 1/4-20 grade 8 bolt that will be the correct length. And if I recall, it should be 1 1/4" long
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11-19-2007, 06:35 AM
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#10
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Montana Master
Join Date: May 2003
Location: New Bern
Posts: 4,294
M.O.C. #311
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Quote:
quote:Originally posted by RKassl
I better go out and get a couple of spares for myself. Does that cap screw have an insert for an allen wrench? Is the exact length 1 1/4" but what is the diameter?
If you blow a bolt on one side, once you replace the shear bolt how to do align both sides so they are moving exactly the same distance once again??
Thanks!
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Yes the cap screw has an insert for an allen wrench and 1/4 - 20 (1 and 1/4 inches) as stated.
With the weight off the legs you can move the drivers side with the motor and the passenger side with the square shaft that spins freely. I measured the drivers side and then set the distance the same for the passenger side and replaced the bolt. Simple job once you know how.
Thanks to all for the information.
Cheers,
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11-19-2007, 07:00 AM
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#11
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,133
M.O.C. #6433
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Quote:
quote:Originally posted by MIMF
But, yes. For that shaft, especially at the motor end, you want a 1/4-20 grade 8 bolt that will be the correct length. And if I recall, it should be 1 1/4" long
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I am a little surprised it would call for a bolt as hard as a grade 8. I am familiar with tractor equipment and most PTO equipment calls for a softer grade 2 bolt for a shear pin application. They want the bolt to shear before it damages the drive line. But maybe those are not intended to be actual shear bolts?
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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11-22-2007, 05:08 AM
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#12
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Montana Master
Join Date: May 2007
Location: Weeki Wachee
Posts: 814
M.O.C. #7219
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I guess I'm on "borrowed time" as I've never had that happened. Translated means I better have those bolts before next trip.
Thanks for the size info.
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