Pressure Washer Water Pump Oil Change

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=PezhF_BAeBY

My ProUser 5.5hp pressure washer had one of the bolts holding the pump on work loose and with some dripping I decided to take the thing apart as part of an oil change. During the process I wanted to learn how the pump worked as I hadn't seen a pump like it before and thought others would be interested too! • More details including the diagram in the video on my blog: http://engineer.john-whittington.co.u...

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