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Antique Gas Engine Discussion

Associated Hired Man Crank Pin Greaser Info Needed


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  #1  
Old 10-14-2018, 11:11:14 AM
Garak Garak is offline
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Default Associated Hired Man Crank Pin Greaser Info Needed

Hi

My newly acquired Associated 2 1/4Hp Hired Man does not have a Crank Pin ('big end bearing' as we say in England) greaser fitted. Can anyone point me to a supplier of the correct greaser? and can anyone tell me the size of the thread.

Thanks for any help or advice.
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Old 10-14-2018, 04:25:47 PM
StuartUK StuartUK is offline
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Default Re: Associated Hired Man Crank Pin Greaser Info Needed

The original type greaser is a "pressure feed" type greaser which has a small handle on the top.You may struggle to find an original Associated (Amanco) one here in the UK.
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Old 10-14-2018, 05:57:28 PM
Garak Garak is offline
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Default Re: Associated Hired Man Crank Pin Greaser Info Needed

Quote:
Originally Posted by StuartUK View Post
The original type greaser is a "pressure feed" type greaser which has a small handle on the top.You may struggle to find an original Associated (Amanco) one here in the UK.
An alternative to the original would be acceptable but I would like to find an automatic one at least and to aid my search I need to find out the attachment thread size, in the UK it would have probably been BSP but as the engine is American made the thread would most likely be NPT/NPS, but what size?
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Old 10-16-2018, 05:12:29 AM
Garak Garak is offline
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Default Re: Associated Hired Man Crank Pin Greaser Info Needed

Anyone?

I am assuming the thread size is 1/8 NPT? can anyone confirm this, I dont want to purchase the wrong one.

Thanks
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Old 10-16-2018, 07:28:36 AM
ScooterBob ScooterBob is online now
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Default Re: Associated Hired Man Crank Pin Greaser Info Needed

Since Rich hasn't jumped in here yet with a definitive answer, here's a link to a chart to help you decide the thread size...

https://www.engineersedge.com/hardwa...pe-threads.htm
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Old 10-16-2018, 01:44:23 PM
Andrew Mackey Andrew Mackey is offline
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Default Re: Associated Hired Man Crank Pin Greaser Info Needed

1/8" NPT is a fine thread. 1/4" is relatively coarse. Typically, the threads on the main bearing caps are 1/4 NPT. Connecting rod greasers may be either 1/8 or 1/4, depending on the rod size. I would go for the 1/4 NPT, if you are looking for the main journal greasers. You might check with Lee Pederson, an advertiser - sponsor on this site. He probably can set you up, and I know he ships to the UK.

If you do not know the fitting diameters, 1/8 NPT is slightly smaller than 7/16" in diameter at the top of the thread. !/4 NPT is about 9/16" at the top of the opening. I don't know the metric conversion for these, sorry.
Andrew
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Old 10-16-2018, 03:56:58 PM
Garak Garak is offline
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Default Re: Associated Hired Man Crank Pin Greaser Info Needed

Quote:
Originally Posted by Andrew Mackey View Post
1/8" NPT is a fine thread. 1/4" is relatively coarse. Typically, the threads on the main bearing caps are 1/4 NPT. Connecting rod greasers may be either 1/8 or 1/4, depending on the rod size. I would go for the 1/4 NPT, if you are looking for the main journal greasers. You might check with Lee Pederson, an advertiser - sponsor on this site. He probably can set you up, and I know he ships to the UK.

If you do not know the fitting diameters, 1/8 NPT is slightly smaller than 7/16" in diameter at the top of the thread. !/4 NPT is about 9/16" at the top of the opening. I don't know the metric conversion for these, sorry.
Andrew
This is what I have at the moment, I'm trying to replace the grease nipple seen in the photo for a pressure greaser. All thread diameters seen in the photos are 0.395 but the threads do seem worn as can be seen. Because 1/8 and 1/4 are so close it's hard to determine what size I need.

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  #8  
Old 10-20-2018, 04:01:10 PM
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BMiller BMiller is offline
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Default Re: Associated Hired Man Crank Pin Greaser Info Needed

Garak, the "1/8" " and "1/4" " names are very misleading. They are the inside diameters of some pipe used in the past. I went out to the shop and measured a new 1/8" pipe nipple outside diameter. It was 0.398" at the tip, and got larger farther up. So your 0.395 inch greasers are indeed, 1/8" pipe thread.
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Old 10-20-2018, 08:08:40 PM
Lester Bowman Lester Bowman is offline
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Default Re: Associated Hired Man Crank Pin Greaser Info Needed

Yes.. 1/8" NPT.
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Old 11-03-2018, 05:39:11 AM
Garak Garak is offline
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Default Re: Associated Hired Man Crank Pin Greaser Info Needed

Thanks guys, I have managed to source an automatic greaser here in the UK.



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