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AC WD45 
Orange Level
Joined: 28 Sep 2009
Location: Mid Michigan
Points: 2060
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 Topic: Hydro pump rattle
Posted: 06 Jan 2011 at 6:33pm |
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Curious as to what would cause the hydraulic pump on a WD45 to rattle when the hydraulics are in use? It started in '03 when we put the loader back on after we got new (used) loader arms when we first topped off the oil the pump for the loader. at least that's when I first noticed it but I was 10 or 11 then and don't remember hearing it before that. Is it normal? is there a simple fix?
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German Shepherd dad
1957 Allis Chalmers WD45
#WD234847
1951 Allis Chalmers WD
#WD88193
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Steve M C/IL
Orange Level
Joined: 01 Jul 2010
Location: shelbyville IL
Points: 691
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Posted: 06 Jan 2011 at 6:57pm |
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Don't know what you mean by "rattle".The thumb screw on the front all the way out against the housing?That will make em squeal and slower if not.
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AC WD45
Orange Level
Joined: 28 Sep 2009
Location: Mid Michigan
Points: 2060
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Posted: 06 Jan 2011 at 7:09pm |
this is not my tractor, but watch the whole video and you shall hear it when he raises the 3pt.
[TUBE]ZGgGIJ8XDjY[/TUBE]
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German Shepherd dad
1957 Allis Chalmers WD45
#WD234847
1951 Allis Chalmers WD
#WD88193
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Orange Blood
Orange Level
Joined: 29 Nov 2010
Location: ColoradoSprings
Points: 4053
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Posted: 06 Jan 2011 at 8:41pm |
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Sounds exactly like mine, and every one I have ever used. I think it is only because it is a four plunger pump, and at idle, you have a very distinctive pulse from each plunger.
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Still in use:
HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060
Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7
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Denis in MI
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Joined: 15 Sep 2009
Location: Norvell, MI
Points: 832
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Posted: 06 Jan 2011 at 10:35pm |
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All of mine do it too so it is either normal or a problem that does not get worse or effect anything
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1938 B, 1945 B, 1941 IB, 1949 C, 2 1938 WCs, 3 1950 WDs, 1951 WD, 2 1955 WD45, 1957 D-14
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Steve M C/IL
Orange Level
Joined: 01 Jul 2010
Location: shelbyville IL
Points: 691
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Posted: 06 Jan 2011 at 11:29pm |
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That is normal. It's more of a knock than a rattle. The heavier the load,the louder it will be.
Edited by Steve M C/IL - 06 Jan 2011 at 11:31pm
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