[CAUT] Guide rail pins

[John Ross]

I meant the corroded pitted key pins, that were mentioned.
You made it clear that the WNG had nylon bushings.
John Ross
Windsor, Nova Scotia
On 16-Mar-10, at 8:03 PM, Mark Dierauf wrote:

> John -
>
> I was speaking of the nylon Front Rail pin bushings, which are  
> installed into the front rail, not the felt key bushings. You can  
> read WNG's instructions here: http://www.wessellnickelandgross.com/media/pdfs/install_frontrailpins.pdf
>
> - Mark
>
> John Ross wrote:
>>
>> With pitted pins, the bushings are probably toast as well.
>> Don't forget the Bushmaster.
>> By re-bushing, it will allow you more leeway in your pin replacement.
>> John Ross,
>> Windsor, Nova Scotia
>> On 16-Mar-10, at 5:42 PM, Mark Dierauf wrote:
>>
>>> I assume that you're speaking of front-rail pins? Can you use the  
>>> new WNG aluminum pins with their nylon bushings? according to  
>>> their instructions, the FR holes are first reamed out to .183" and  
>>> then the bushings are inserted and reamed out with a 1/8" bit to  
>>> fit the lower FR pin diameter, which is .128".
>>>
>>> - Mark
>>>
>>> Porritt, David wrote:
>>>>
>>>> I’m rebuilding a Baldwin R and on removing the corroded and  
>>>> pitted key pins, I discovered that the base of the guide rail  
>>>> pins are 0.177”.  The top (swaged) part is a standard 0.146” but  
>>>> the part that is driven in the key frame is oversized.  Of course  
>>>> no one has replacement pins like this so I’m going to have to  
>>>> make some modifications.
>>>>
>>>> Everything that I’ve thought of so far has looked like a major  
>>>> operation, and will leave lots of opportunity for errors.  Has  
>>>> anyone run into this before?  What did you do?
>>>>
>>>> dave
>>>>
>>>>
>>>> _________________________
>>>> David M. Porritt, RPT
>>>> 3024 County Road 2134
>>>> Caddo Mills, TX 75135
>>>> dporritt at smu.edu
>>>>
>>>>
>>>
>>>
>>
>

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