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10-28-2022, 02:17 PM
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#1 |
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Senior Member
Join Date: May 2010
Posts: 192
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1947 Convertible top hydraulic pressure question
Trying to help a friend. What pressure is normal for a hydraulic pump? Car is 1947 Ford with the stock system, pump mounted on firewall.
Keith |
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10-28-2022, 04:21 PM
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#2 |
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Senior Member
Join Date: May 2010
Location: Powell, TN
Posts: 2,509
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Re: 1947 Convertible top hydraulic pressure question
Two types of pumps were used by Ford, a high pressure 250-260psi and a low pressure 200-210psi. These pumps can be identified by relief valve plug at the end of the pump, low pressure has cadmium plated plug and high pressure has a copper plated plug. Relief valve for low pressure pump is set at max pressure 210psi, high pressure setting is set at 260psi. (from the 39-48 Ford and Mercury shop manual, Canada)
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10-29-2022, 08:57 AM
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#3 |
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Posts: 192
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Re: 1947 Convertible top hydraulic pressure question
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Keith |
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