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Fulcrum pin


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#1 therealdatsunnazi

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Posted 08 December 2014 - 10:57 AM

Anyone have any ideas on where to get a fulcrum pin and possibly the cotter bolt ?

Or if you have one let me know ?

#2 UnderControl

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Posted 08 December 2014 - 11:31 AM

I got a pair of fulcrum pins off fleabay out of Singapore and was lucky enough to fine the lock pins from a member here. 


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#3 banzai510(hainz)

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Posted 08 December 2014 - 11:44 AM

Mklotz on here might know to find some
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#4 Charlie69

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Posted 08 December 2014 - 03:54 PM

We need Mike Klotz to make some cotter bolts I need 4 of them.  The fulcrum pins you can contact the Mexican ebay seller I think it is Kentigo.  He might have some.  He stands behind his parts a buddy of mine purchased a 521 fuel sending unit that was bad and Kentigo sent him another no charge.



#5 therealdatsunnazi

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Posted 08 December 2014 - 06:18 PM

would be nice to have some more made, what is the actual job of the cotter bolt ? is it to keep the pin from spinning during tightening ? cause it seems like when you tighten down the two caps things there is no way to have side to side movement ? and maybe a safety feature if those come loose it does not move ? 

 

nissan does have a couple more of the seals for the upper arms for the kingpin trucks if anyone needs those, and looks like the lower seals are nla 



#6 wayno

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Posted 08 December 2014 - 06:20 PM

I know what a cotter pin is. :)

What are "cotter bolts"?

 

We need Mike Klotz to make some cotter bolts I need 4 of them.  The fulcrum pins you can contact the Mexican ebay seller I think it is Kentigo.  He might have some.  He stands behind his parts a buddy of mine purchased a 521 fuel sending unit that was bad and Kentigo sent him another no charge.


 

 


#7 Charlie69

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Posted 08 December 2014 - 06:35 PM

These are Cotter Bolts used to hold in King Pins and Fulcrum Pins.

 

$_12.JPG



#8 wayno

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Posted 08 December 2014 - 06:44 PM

OK, I guess I never really thought about what them were called before, I guess I thought of them as a pin, but they are a bolt of sorts.

The 320 ones are smaller than the rest of them, I go to great lengths to remove them in good condition, which is not easy.

 

These are Cotter Bolts used to hold in King Pins and Fulcrum Pins.

 

$_12.JPG


 

 


#9 Charlie69

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Posted 08 December 2014 - 06:54 PM

Wayno, I thought when your truck needed any kind of suspension/steering work you just rolled a 720 chassis under them!  LOL



#10 wayno

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Posted 08 December 2014 - 07:25 PM

This is true :lol:

Wayno, I thought when your truck needed any kind of suspension/steering work you just rolled a 720 chassis under them!  LOL

My 521 work truck is the only truck with a 521 frame, it's highly modified, but it is a 521 frame.

 

BTW, I have only done one kingpin R&R, I now have Mike Klotz do them when I buy a set of drop arms/disc brake brackets from him, it's really hard to do them when all you have is hammers and a vise.


 

 


#11 datzenmike

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Posted 08 December 2014 - 08:44 PM

These are Cotter Bolts used to hold in King Pins and Fulcrum Pins.

 

$_12.JPG

 

Charlie... I would have to call those cotter pins. A cotter, is a pin or a wedge used to secure parts together. A cotter bolt would have some sore of head to turn it or secure it so it won't turn while tightening the nut. There would be a hole through the threads for a cotter pin to fit.


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#12 Charlie69

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Posted 09 December 2014 - 08:35 AM

Just calling them as the parts manual does.  Also doesn't the threaded portion for the nut lean the name towards a bolt instead of a pin?

 

Part # 40023-30000



#13 Charlie69

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Posted 09 December 2014 - 08:41 AM

This is the name used in the Nissan/Datsun Parts Manual.  Part #  40023-30000.

 

Mike Is there a superseded parts number for these?  That part # comes up bad at Nissan Parts Zone.



#14 Charlie69

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Posted 09 December 2014 - 08:44 AM

I asked Mike Klotz about making them and he referred me to Benjamin who had a machine shop make them in the past.

 

I PM'd Benjamin so we will wait and see.  If not maybe Mike will come through.



#15 therealdatsunnazi

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Posted 09 December 2014 - 04:06 PM

I asked Mike about making them and he referred me to Benjamin who had a machine shop make them in the past.

 

I PM'd Benjamin so we will wait and see.  If not maybe mike will come through.

are you talking the cotter bolt or the fulcrum pin ? or both ? 



#16 datzenmike

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Posted 09 December 2014 - 04:55 PM

Just calling them as the parts manual does.  Also doesn't the threaded portion for the nut lean the name towards a bolt instead of a pin?

 

Part # 40023-30000

 

My parts calls it Pin Cotter, Fulcrum Pin

 

This is the name used in the Nissan/Datsun Parts Manual.  Part #  40023-30000.

 

Mike Is there a superseded parts number for these?  That part # comes up bad at Nissan Parts Zone.

 

Pt. # 40023-30000 is only used on the J13 and L16 520 and 521 and appears to not be superseded nor used in any other application. The 620 'pin' is 40023-B5000. Unknown if it will work... doubtful.


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#17 thisismatt

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Posted 09 December 2014 - 06:11 PM

In US vernacular, a cotter pin is the small wire pin, like you find securing a castle nut.  Cotter bolt makes more sense for the above, since it's not a cotter pin in the normal sense in the US.  Sorry Canada.


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#18 wayno

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Posted 09 December 2014 - 07:13 PM

Nissan calls it a "bolt-lock pin", I would say that was a good description.


 

 


#19 Charlie69

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Posted 09 December 2014 - 07:33 PM

Mike obviously Canadian Manuals are translated differently than the USA Manuals  as all manuals back in the day were originally written in Japanese and then translated to the language of the Country they went to..  Is your library perhaps in French Canadian?

 

Mike it does not matter what it is called because we can not buy them any more . If I am successful at get some made I thinking of calling them "Charlie's Wedgette."

 

This is the manual that I took the wording from.

 

521FSMCover.jpg



#20 datzenmike

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Posted 09 December 2014 - 07:53 PM

The 73 620 FSM calls the same part in the same location a 'cotter pin retaining fulcrum pin'. A rose by any other name... Maybe Charlie's Wedgie.

 

Until yesterday I had never heard of a cotter bolt.. had to look it up.


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