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koonce727
MMT Pro Member
Joined: Sat Dec 04, 2010 7:19 pm Posts: 106 Location: Mergens Point, WI
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 PD lower unit trouble
Once again I am in need of some input.
Was out today heading to my carpin spot, about 15min into the ride, it felt like someone hit my clutch button. Lost power, motor was still revved up but the prop/shaft was not catching.
I hit the momentary engage a few times, the prop barely moved and some grinding noises were coming from the lower unit. I was able to limp to the channel where I was pulled back to the launch. I cannot get the shaft and prop to hold no matter what. I have no idea how i am even going to get the prop off.
It is a new lower unit, that was installed under 30 hours ago back in sept/oct. I am new to PDs and know very little, please bare with my improper terms.
Any ideas as to what I may have done, or where to start? I will be calling Kp as soon as a get a chance.
_________________ Burlap Brothers
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Wed Jun 06, 2012 7:16 pm |
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duckduckboom
MMT Elite Member
Joined: Tue Nov 23, 2010 6:33 pm Posts: 5603 Location: Corner of Hell an high water, La
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 Re: PD lower unit trouble
test the voltage going to your clutch. look at the under side of your clutch at your bands. next you have to lift the motor from the LU and see if the pressed in piece of your clutch has broken teeth
_________________ You have your whole life to be an idiot, take a day off!
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Wed Jun 06, 2012 7:27 pm |
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koonce727
MMT Pro Member
Joined: Sat Dec 04, 2010 7:19 pm Posts: 106 Location: Mergens Point, WI
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 Re: PD lower unit trouble
Ill take a look at that. If feels like the "sloppyness" is lower down in the unit when you rotate the prop.
_________________ Burlap Brothers
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Thu Jun 07, 2012 6:45 am |
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koonce727
MMT Pro Member
Joined: Sat Dec 04, 2010 7:19 pm Posts: 106 Location: Mergens Point, WI
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 Re: PD lower unit trouble
_________________ Burlap Brothers
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Thu Jun 07, 2012 7:41 am |
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duckduckboom
MMT Elite Member
Joined: Tue Nov 23, 2010 6:33 pm Posts: 5603 Location: Corner of Hell an high water, La
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 Re: PD lower unit trouble
It will hbe a little play in the prop. Also the grinding is the clutch pieces moving together. It is normal but the serverity may differ if something is wrong
_________________ You have your whole life to be an idiot, take a day off!
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Thu Jun 07, 2012 10:23 am |
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pooldoo73
MMT F.E.
Joined: Tue Jan 25, 2011 5:47 pm Posts: 886 Location: Plaquemine
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 Re: PD lower unit trouble
Should have metal shavings in LU oil if gears are trashed. Easy to check.
_________________ 18'x54"CC Hanko/ 36PD
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Sat Jun 09, 2012 6:16 pm |
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woffman
MMT Pro Member
Joined: Tue Jan 13, 2009 6:35 pm Posts: 208 Location: WI
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 Re: PD lower unit trouble
I'd guess a stripped out coupler!
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Sun Jun 17, 2012 1:12 pm |
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gatorkiller1967
MMT Pro Member
Joined: Thu May 31, 2012 6:58 pm Posts: 205
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 Re: PD lower unit trouble
my coupling stripped out at 2400 hrs.. sounds like it
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Sun Jun 17, 2012 3:37 pm |
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koonce727
MMT Pro Member
Joined: Sat Dec 04, 2010 7:19 pm Posts: 106 Location: Mergens Point, WI
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 Re: PD lower unit trouble
Indeed was the coupler. Everything came off easy after a little help and loosening the correct bolts. Spoke with Kp again this am, and have a new coupler on the way.
Coupler was pretty worn out. More worn becuase I had to limp it to the channel for a tow.
Should be back and running shortly.
_________________ Burlap Brothers
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Mon Jun 18, 2012 9:29 am |
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