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jjleffler
MMT Pro Member
Joined: Tue Mar 29, 2011 1:57 am
Posts: 131
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 Have a ? about the set screw and u joint and shaft area I have a 15hp gd longtail. For some reason my shaft keeps coming out of the u joint. Also the set screw has actually started to eat away the shaft. Any ideas on how to fix would be greatly appreciated.
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| Sun Apr 17, 2011 10:49 pm |
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autogateman
MMT Sponsor
Joined: Thu Sep 16, 2010 10:32 pm
Posts: 4036
Location: Gonzales La
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Re: Have a ? about the set screw and u joint and shaft area there should be a bolt/nut that pinches the u joint tight against the shaft. tightn this first, then tighten the hell outt the set screw. you can also put a small tack weld on it also. it is very easy to grind off if you need to remove it later
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| Sun Apr 17, 2011 10:59 pm |
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marsh maniac
MMT Pro Member
Joined: Thu Apr 02, 2009 1:50 pm
Posts: 156
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Re: Have a ? about the set screw and u joint and shaft area you can also drill a 1/8" deep hole in the shaft that is the same diameter as the set screw. Put the shaft in the u joint, tighten the u joint bolt, then drill the shaft where the set screw will sit. tighten teh set screw after drilling the hole.
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| Mon Apr 18, 2011 10:43 pm |
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jjleffler
MMT Pro Member
Joined: Tue Mar 29, 2011 1:57 am
Posts: 131
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Re: Have a ? about the set screw and u joint and shaft area alright think I will give that a try. Because the motor is not operatable right now and I was out on a marsh and the set screw came out almost lost the whole shaft and prop
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| Tue Apr 19, 2011 2:11 pm |
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jellyhead22
MMT Pro Member
Joined: Tue Oct 06, 2009 8:08 pm
Posts: 59
Location: madison,ms
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Have a ? about the set screw and u joint and shaft area Your going to tighten the set screw pretty good and then tack weld or weld Permanently the u- joint to the shaft. There is alot of vibration going on with the motor and it will just rock that set screw out everytime unless you weld it
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| Sat Jun 18, 2011 10:39 am |
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Mike W.
MMT Pro Member
Joined: Thu Jan 15, 2009 2:26 pm
Posts: 146
Location: Vanceboro, NC
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Re: Have a ? about the set screw and u joint and shaft area Download the instruction manual for ANY of the longtails from Go Devil.
It has instructions how to properly install the shaft
_________________
"They call us civilized, cause we're easy to sneak up on!"
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| Sat Jun 18, 2011 3:00 pm |
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scotts98rt
MMT Pro Member
Joined: Thu May 26, 2011 11:21 pm
Posts: 60
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Re: Have a ? about the set screw and u joint and shaft area also use another set screw to act as a jam nut.
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| Sun Jun 19, 2011 1:03 pm |
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fishon!!
MMT Pro Member
Joined: Tue Nov 17, 2009 6:52 pm
Posts: 339
Location: Capital Shity, LA
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Re: Have a ? about the set screw and u joint and shaft area
_________________
Save your confederate money, cause the south WILL rise again
homebuilt 11 HP greyhound LongTail
-1436 flatbottom
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| Sun Jun 19, 2011 6:55 pm |
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kibb
MMT 1000 Club
Joined: Wed Jan 14, 2009 8:58 pm
Posts: 2731
Location: Lafayette, LA
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Re: Have a ? about the set screw and u joint and shaft area
_________________
1644 WeldCraft / 27 GDLT
Ranger R71 / 125 Merc
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| Sun Jun 19, 2011 7:44 pm |
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SwampDonkey1
MMT F.E.
Joined: Tue Mar 08, 2011 10:09 pm
Posts: 923
Location: North Central KS
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Re: Have a ? about the set screw and u joint and shaft area I've been told by a guy that built his to forget the set screw that came with the yoke and take a regular hex bolt the same size of the set screw hole, tighten her down find the dimple on the shaft and drill just a bit of it out. take some loctite, and crank that puppy down good. He works in an Ag implement shop and said you cant get much torque on the allen wrench with a regular set screw. A key also helps too!
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1436 Lowe
-Workin for the man, Huntin when I can...-
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| Wed Jun 22, 2011 8:55 pm |
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kibb
MMT 1000 Club
Joined: Wed Jan 14, 2009 8:58 pm
Posts: 2731
Location: Lafayette, LA
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Re: Have a ? about the set screw and u joint and shaft area Go Devil uses a square headed bolt for the set screw.
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1644 WeldCraft / 27 GDLT
Ranger R71 / 125 Merc
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| Wed Jun 22, 2011 9:03 pm |
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SwampDonkey1
MMT F.E.
Joined: Tue Mar 08, 2011 10:09 pm
Posts: 923
Location: North Central KS
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Re: Have a ? about the set screw and u joint and shaft area
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1436 Lowe
-Workin for the man, Huntin when I can...-
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| Wed Jun 22, 2011 10:03 pm |
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