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post #1 of 3 (permalink) Old 08-06-2018, 04:07 PM Thread Starter
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Question Pump oil seal

Pump for Dewalt DXPW3025. The pump is a Simpson Cleaning AAA 90037. There is an oil seal that goes into the end. In the picture it it is part 251. It just slips on. 252 and 253 are already on (they never came off).

https://mastertoolrepair.com/gas-pre...p-1007038.html

The seal came loose from the shaft and oil leaked. I put the seal back on and it worked for a while, the the seal cam off and oil leaked. I have ordered a new seal. Could it be that the seal is just old? It looks alright. There seems to be no way to put it in except just slip it on the shaft and place it in. There are no other clips, etc. The clip shown in diagram is behind the seal next to the bearing.
Thanks.
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post #2 of 3 (permalink) Old 11-20-2018, 03:43 PM
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I have a similar pump and the oil seal is pressed in. I have changed them in the past using a seal tool or piece of PVC pipe. It should seat down on a lip?
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post #3 of 3 (permalink) Old 11-20-2018, 03:46 PM
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Quote:
Originally Posted by dawgn86 View Post
I have a similar pump and the oil seal is pressed in. I have changed them in the past using a seal tool or piece of PVC pipe. It should seat down on a lip?
Sorry..looking at this again and it looks like the engine crankshaft oil seal? On my Honda GX engine, I replace it and drove it in until it was flush with the cover.
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