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Farm + Industrial Antiques and Collectibles Old belt driven farm equipment: shellers, milkers, threshers, pumps and antiquities of the industrial revolution.

Farm + Industrial Antiques and Collectibles

Big Myers Bulldozer Flat Belt Piston Pump


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  #21  
Old 09-30-2011, 07:37:48 PM
ronny p 148 ronny p 148 is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

Waiting on Jack he has to have the nuts that go to the leather assembly made in a machine shop. real weird thread 17/32X 12 . He said they can't be found any where .

Ronny
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  #22  
Old 10-15-2011, 01:30:16 PM
ronny p 148 ronny p 148 is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

I was able to meet with Jack Welton I got a set of leathers for this pump. Having the 7/32X12 thread nuts that go on the brass shaft made by him. There not available anywhere.

Ronny
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  #23  
Old 03-01-2012, 08:21:16 PM
ronny p 148 ronny p 148 is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

Well still working on this pump .I acquired new leathers and locking nuts that go on the piston shaft. Anyone know what the diaphragm like housing is on the intake pipe ?

Ronny
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  #24  
Old 03-01-2012, 11:23:28 PM
Gailey Henderson Gailey Henderson is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

What is the size of the bore i may have the leathers for it, they will cost you postage
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  #25  
Old 03-01-2012, 11:38:59 PM
ronny p 148 ronny p 148 is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

I don't need anything for this pump i already have got them from Jack Welton. Just looking for info on the assembly on intake pipe.

Ronny
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  #26  
Old 03-02-2012, 04:22:05 AM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: Big Myers Bulldozer Flat Belt Piston Pump

As this pump has a fairly big bore, I'me pretty sure that you are probably looking at a shock absorber! When the piston draws water, the flow tries to keep going, although the piston has now switched direction. The absorber takes away the hydraulic shock until the next intake pulse starts. The diaphram stops the absorber from getting 'slugged', that is, air in the water gets absorbed into the water and the chamber gets filled up solid with water, making it useless. A picture of the device will tell for sure.The outlet should have an acumulater on it for the same reason - to even out the pulses generated by the action of the pump. These pumps make a nice display when belted up!
Andrew

Edit: I looked over your pictures again, and it definately is a shock absorber! You also have the accumulater dome as well, for the outlet side of the pump.
AKM

Last edited by Andrew Mackey; 03-02-2012 at 04:25:11 AM. Reason: additional info
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  #27  
Old 03-02-2012, 08:59:56 PM
ronny p 148 ronny p 148 is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

Thanks Andrew I was wondering about this devise.

Ronny
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  #28  
Old 10-06-2012, 12:13:45 PM
ronny p 148 ronny p 148 is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

I need to tighten packing around brass piston rodd. Theres a large brass piece that rodd goes through as it travels towards pump sylinder. Not shure how this brass piece adjusts. I should of asked Jack Welton when I had him om phone yesterday. How do I adjust this and not break nothing.


Ronny
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  #29  
Old 10-06-2012, 03:39:48 PM
Jeff LaCrone Jeff LaCrone is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

Just saw your post. Here's one I bought last summer. Probably worth more for scrap that I paid for it, heavy as it is. Hope to get it going someday. Anybody know what the springs are for in picture 3?
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  #30  
Old 10-06-2012, 04:56:31 PM
ronny p 148 ronny p 148 is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

[I]don't see the springs your talking about in the picture.

Ronny

---------- Post added at 04:56 PM ---------- Previous post was at 04:49 PM ----------

This pump won't pump I put in new leathers I have it plumbed to a 1/2 wisky barrel all my other smaller pumps ok this way but get very little out of this pump. Theres considerable leakage out of packing. Also theres very little resistance when piston rod and pidton moves. Clearence wetween leathers and cylinder looks ok. Any sugestions ?

Ronny
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  #31  
Old 10-07-2012, 08:01:42 AM
Jeff LaCrone Jeff LaCrone is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

Quote:
Originally Posted by ronny p 148 View Post
[I]don't see the springs your talking about in the picture.

Ronny
Int the third picture there down in the bottom beside the gear. They are hard to see in the picture. I'll take a better one. They are just laying in the bottom and I thought someone may have just threw them in there, as easy as it is to get the cover off.
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  #32  
Old 10-07-2012, 08:27:45 AM
Harvey Teal Harvey Teal is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

The springs are used on your valves. There should be one spring at each valve.
Without the springs, the pump won't work properly.......
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  #33  
Old 10-09-2013, 08:15:32 AM
Dyingbreed Dyingbreed is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

Can anyone tell me how much one of these pumps is worth? I found one at an antique shop it looks to have been torn apart and loosly put back together looks to be all there. It looks interesting to me I have a lot of hit and miss engines looking for another thing to have a running display. They are asking $200. Any idea would be helpful

Thanks,
Dyingbreed
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  #34  
Old 09-02-2015, 11:39:21 AM
Cord Cord is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

Digging up an old thread. Well, I just bought a Myers pump as well. Tripped across the pump with 45 minutes left in the auction. It was apparently used by a municipality to pump out low areas in a cemetery. The removed it from service when the motor failed. Said the pump always produced 70psi. I paid $35 for the pump so I figured it was worth the risk. Does anybody know if these are suction pumps or pusher pumps?
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  #35  
Old 09-02-2015, 07:21:28 PM
Greg Best Greg Best is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

Power pump, a 3x4 will pump at 100 psi 230 ft elevation.
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  #36  
Old 09-02-2015, 11:07:28 PM
GarysToys GarysToys is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

Greg

Did you ever get your 3hp FM engine and pump operating.

I am still trying to get to mine, I did pick up a good operating FM 3 hp engine.

Now to get time for the pump.

If you have it operating I sure would like a video to get me in the mood.
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  #37  
Old 09-03-2015, 06:48:27 PM
Greg Best Greg Best is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

I got a lot done now working on my shop addition so I will have room to work on it.
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  #38  
Old 03-18-2019, 09:41:33 AM
Andy Williams Andy Williams is offline
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Default Re: Big Myers Bulldozer Flat Belt Piston Pump

I just bought one of these pumps from one of my old teachers. he had rebuilt it in 1988 i havn't tried it yet but seems to me in working condition. it had paperwork where he spent about $70 on parts then. he found it in the woods where it had been for years. He thought this one was from the 40s. These pumps were made until the late 50s and maybe later. As said all look alike from the 20s to end of production. I also had a neighbor that had two under the overhang of his house , He was planning on using one of them for irrigation for his garden but died before he did. jeff yours has the idler pulley for a large gas engine. mine just has the small bracket on top for an electric motor or small gas engine. a photo i have shows a small air cooled lauson. i have a 1/2 hp century motor that looks just like some photos in the myers book.
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