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Allis Chalmers C Hydraulic pump |
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John426
Silver Level Joined: 14 Aug 2012 Location: France Points: 278 |
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Posted: 6 hours 23 minutes ago at 1:02am |
Hi
The manuel says thaht the hydraulic pump pressure is 3200 lbs ( 220 bars) ; It seems a little bit high. On mine with the pressure gauge i have 1740 lbs ( 120 bars) at iddle and 2030 lbs ( 140 bars) at high engine rpm. Do you have the real pressure take with a pressure gauge on the tractor?
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DiyDave
Orange Level Access Joined: 11 Sep 2009 Location: Gambrills, MD Points: 51354 |
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May seem high, but that's what it is supposed to be. Early AC systems were high pressure, low volume(4 GPM). Sounds like yours is wore out...
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Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need!
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Gary
Orange Level Access Joined: 13 Sep 2009 Location: Peterborough,On Points: 5318 |
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Dave has got it right. Pump Overhaul in the Allis Service Manual for 'B' and 'C' states Relief Valve should operate at 3200 psi. Gary |
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John426
Silver Level Joined: 14 Aug 2012 Location: France Points: 278 |
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Is there a way to increase the pressure in mine? Or some possibilities to repair?
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PaulB
Orange Level Joined: 12 Sep 2009 Location: Rocky Ridge Md Points: 4664 |
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A service manual is needed. It will explain how and where to adjust the maximum pressure and it also cautions not to go beyond a specific measurement. If the proper pressure can not be achieved a total rebuild is needed.
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits. If you can't make it GO... make it SHINY |
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