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Navrik
Conan the Bassarian
Joined: Apr 23, 2010
Posts: 3571
Location: Blaauwberg, Cape Town
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Wed 27 Feb 2013 09:12 PM |
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I have an older Mercury Thruster 41lb trolling motor and I need the nylon nut for it that secure the prop in place.
Does anyone know where I can find one or maybe have one manufactured off my old one as it is showing signs of wear and does not lock nicely in place anymore.
Any advice will be most welcome.
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Last edited by Navrik on Sun 10 Mar 2013 10:44 PM; edited 1 time in total |
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Jim_From_Zim
Dedicated BassAholic!
Joined: Nov 03, 2011
Posts: 316
Location: Supporting the arts, one dollar at a time
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Thu 28 Feb 2013 07:08 AM |
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Replace with a stainless steel lock nut. Should be available at Builders.
Dont over tighten, just "nip" it.
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if you see me opening a car door for a lady it means one of two things: Either it's a new car or it's a new lady |
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riprap
Bass Fishing Guru
Joined: Apr 11, 2011
Posts: 2832
Location: Eastern Cape
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Thu 28 Feb 2013 07:27 AM |
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And whilst you at it Nav, replace the shear pin as well - old needle roller bearings can provide the right size.
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 BIG FISH EAT LITTLE FISH............ |
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Jim_From_Zim
Dedicated BassAholic!
Joined: Nov 03, 2011
Posts: 316
Location: Supporting the arts, one dollar at a time
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Thu 28 Feb 2013 08:33 AM |
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Nav, whats the size of that pin? I have a few old needle bearings lying around in my workshop that might do the trick
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if you see me opening a car door for a lady it means one of two things: Either it's a new car or it's a new lady |
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riprap
Bass Fishing Guru
Joined: Apr 11, 2011
Posts: 2832
Location: Eastern Cape
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Thu 28 Feb 2013 08:48 AM |
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The thruster series is different to the motorguide series but there is still a small prop pin but you might need to pull the gear housing assembly off after you remove the prop....?
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BIG FISH EAT LITTLE FISH............ |
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Bergie
Bass Whisperer
Joined: Jun 16, 2007
Posts: 3220
Location: Cape Town.
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Thu 28 Feb 2013 09:05 AM |
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It's not the 'NUT' on the trolloing motor that worries me......it's the "NUT" thats gonna fix it thats the problem......
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"I don't exaggerate.......I just remember big!"
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Navrik
Conan the Bassarian
Joined: Apr 23, 2010
Posts: 3571
Location: Blaauwberg, Cape Town
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Thu 28 Feb 2013 10:17 AM |
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| Dcfi wrote: | | Nav, whats the size of that pin? I have a few old needle bearings lying around in my workshop that might do the trick |
Thanks Dcfi. I actually lost the original pin and manufactured my own. I will give you a shout and swing by. Was also thinking of replacing with a lock nut from Builders.
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Jim_From_Zim
Dedicated BassAholic!
Joined: Nov 03, 2011
Posts: 316
Location: Supporting the arts, one dollar at a time
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Thu 28 Feb 2013 10:32 AM |
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Just make sure its stainless steel, washer included if it needs one.
Let me know a size on the pin and I'll dig one out of the workshop
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if you see me opening a car door for a lady it means one of two things: Either it's a new car or it's a new lady |
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Splashy
Bassing Fan
Joined: Jan 31, 2013
Posts: 17
Location: Springs
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Thu 28 Feb 2013 12:11 PM |
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@Navrik. Any bolt and nut suppliers should be able to supply you with a nylock nut. I changed all mine on the quad bike with those nuts. Just make sure to take the old one with as a sample as the thread pitch might not be a standard pitch. The nylock nut should in any case be stainless steel
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Q
Total Bassing Freek
Joined: Jan 18, 2008
Posts: 807
Location: Gordon's Bay
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Thu 28 Feb 2013 01:22 PM |
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Nav, visit Topfast, 75 Carlilse Street, Paarden Eiland
I think they still exist, used to buy all my special bolts and nuts there.
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smurf
Total Bassing Freek
Joined: Apr 05, 2011
Posts: 850
Location: Durbanville,Western Cape
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Thu 28 Feb 2013 01:31 PM |
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Nav,just a word of caution...the shear pin on the trolling motor prop is designed to 'shear' if you strike something hard too many times, thereby protecting your expensive prop(I am sure you know this).The needle rollers from a bearing are nicely shaped to do the job of turning your prop,but are WAY too hard to shear if required to do so...just give me the diameter of the material and I am sure I can find a piece of softened mild steel to do the trick.
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'Life is not about the number of breaths we make,but the moments that take our breath away' |
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riprap
Bass Fishing Guru
Joined: Apr 11, 2011
Posts: 2832
Location: Eastern Cape
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Thu 28 Feb 2013 01:34 PM |
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Smurf, now you raise something interesting. Is it as much as a shear pin or is it just a means to connect the prop with the drive shaft as in the spool shaft to pinion gear in a reel??
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BIG FISH EAT LITTLE FISH............ |
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Splashy
Bassing Fan
Joined: Jan 31, 2013
Posts: 17
Location: Springs
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Thu 28 Feb 2013 01:40 PM |
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Would this shear pin not be the same as a split pin as used on your cars wheel nuts?
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riprap
Bass Fishing Guru
Joined: Apr 11, 2011
Posts: 2832
Location: Eastern Cape
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Thu 28 Feb 2013 01:48 PM |
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No Splashy it's not. This pin normaly goes through the shaft and the prop has a slot in the back to locate it in this pin. As tight as the prop nut might be, the prop can still slip if pin is gone.
Some okes use aluminium welding rods for pins?
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BIG FISH EAT LITTLE FISH............ |
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Splashy
Bassing Fan
Joined: Jan 31, 2013
Posts: 17
Location: Springs
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Thu 28 Feb 2013 01:56 PM |
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| riprap wrote: | No Splashy it's not. This pin normaly goes through the shaft and the prop has a slot in the back to locate it in this pin. As tight as the prop nut might be, the prop can still slip if pin is gone.
Some okes use aluminium welding rods for pins? |
Cool beans. Was not sure myself. Thought it might be the same
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