Re: Power steering pump

Posted by HH56 On 2020/8/3 17:09:48
I believe Packard used Eaton pumps from their introduction of PS in 52. A different model having a smaller reservoir was used in 55-6. Since Packard carried all the pumps and parts for them listed under their own part numbers there may not be conventional Eaton numbers on the castings. Lares Corporationhttps://www.larescorp.com has done a lot of Packard rebuilds so maybe they could shed some light on the Eaton ID or supply parts or any repair you are looking for.

While the pumps themselves all look the same, in 55-6 there were two different assys depending on if it was powering a Monroe or a Bendix unit. The difference was in the pressure relief control valve. Pumps used with the Monroe unit have a higher output pressure by about 100psi and can be identified by a 900 stamped on the hex plug where the pressure hose connects.

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