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Post by trex014 on Feb 9, 2021 22:13:22 GMT -5
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Post by sweepleader on Feb 10, 2021 10:32:10 GMT -5
I believe the pump is an 8S3, it's mostly aluminum, all of the housing sections are aluminum. Here is the IPL from Leon's site: www.leonschainsawpartsandrepair.com/uploads/3/9/7/9/39792537/homelite_8s3-1_8s3-1p_8s3-1r_pump_ipl_23316.pdfThere are three versions, 8S3-1, -1R and -1P. The P version is higher pressure, for fire fighting, the others are lower pressure but more volume for de-watering and similar low pressure uses. They are all identical except for the inner parts of the pump itself, which can be seen on the IPL. I don't know what the differences are between the -1 and the -1R. Mine is a 9S3-1 near as I can tell, there is no ID plate on it. There are a couple others here with these pumps. Beware of the broken bolts, they will be seized in the hole as the aluminum expands during the corrosion process and grabs the bolt. Maybe you know this already. Some gingerly application of heat will often help loosen the bolts, of course welding can provide the heat. I used a torch. Heating and cooling with penetrating oil several times has produced results for me on my pump. My pump rotor was jammed up with corrosion and the slip clutch was the only reason I could turn mine over at first. The slip clutch is a plastic cone shaped assembly in the center of the pump rotor that allows the rotor to stop when jammed by a rock or whatever without instantly stopping the motor. I had to make a fixture to pull the inner housing from the pump, it was stuck with corrosion too. Be sure to drain your pump whenever you finish pumping with it to reduce corrosion and do not run it without water in it, the ceramic seal will be damaged and they are hard to find.
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