Small Engine Troubleshooting Problems? Ask a Mechanic Now.
My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.My info is somewhat limited on your model here but I had seen no one else has responded and would like to see if I can help here.If at any time you feel that I cannot help with this please let me know.
This may be an issue with the trigger/on switch itself as I have seen some fail before needing replaced.This will have to be checked over further to help pinpoint the cause and from there repaired to correct this fault.I suspect this is a switch failure needing replaced.
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I dont have a test or check procedure myself on this here unfortunately.If you have no water but was able to adjust the plunge to keep the machine running but had no water this sounds like the plunger itself may be the cause as it should be the trigger to open the water supply as well as activate the machine.
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No problem.Let me know what you come up with here when your ready and if you need anything else.