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| Fordson Tractors Discussion Forum |
Topic: Hydraulic pump fordson major 1952
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| Nic Hohlios
03-08-2012 19:39:29
70.58.35.53
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I have fordson major 1952 the hydraulic pressure is 1100PSI. The book states it should be around 3200PSI. Has any one rebuilt a pump, and are the parts available, how difficult is it?
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| gemdozer
03-10-2012 03:06:45
69.156.162.187
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Re: Hydraulic pump fordson major 1952 in reply to Nic Hohlios, 03-08-2012 19:39:29
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| I dismantled 2 FORDSON motor for part and they had a hydrolic pump near the fuel pump and connect to front cover and these pump look like van pump
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| Nic Hohlios
03-10-2012 08:48:21
75.162.103.44
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Re: Hydraulic pump fordson major 1952 in reply to gemdozer, 03-10-2012 03:06:45
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| | I have though about using an external electric pump or using one that attaches to the PTO. I can pickup all of my implements (i.e. plow, Disc, blade) but I can,t raise or lower my swather and operate other tools thanks for the comment
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| Majorman
03-08-2012 23:34:55
86.141.133.110
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Re: Hydraulic pump fordson major 1952 in reply to Nic Hohlios, 03-08-2012 19:39:29
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| | Don"t know what book you are reading but the hydraulic pressure has never been over 3000 psi. Normally on an FMD it should be 2000-2100 psi at 1200 rpm with a new pump. Have you tried shimming the unload valve? The pumps are no longer available, you have to fit a Super Major pump with a right angle elbow adaptor, a pump will cost £600 and an adaptor is like hens teeth, very rare.
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| Nic Hohlios
03-09-2012 18:58:09
75.162.103.44
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Re: Hydraulic pump fordson major 1952 in reply to Majorman, 03-08-2012 23:34:55
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| Thanks, I miss read the manual it was talking about a pressure gauge for testing. the manual does say (pargh 231 system relief pressure adjustments) if using heavier implements it is permissible to increase the pressure relief setting to 2500-2700 PSI. yes I tried shimming the unload valve and got 100PSI more, then when I added more shims it started going back down. Has any one ever rebuilt one of these pumps. I am a retired aerospace engineer and I also restore old cars and have made parts before.
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