McCulloch power washer


Old 01-22-06, 08:04 AM
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McCulloch power washer

My McCulloch power washer, model MH1300, is almost new, only used twice. The problem is I can't get any pressure. It is electric. It revs up but as soon as it gets up to speed it revs down again, It revs up and down like a yo-yo. The only water pressure I get is what comes from the tap. I suspect something is causing it to not hold the revs up but I don't know what or why. Any ideas?
Thank you.

Last edited by bobchuck; 01-22-06 at 08:05 AM. Reason: spelling mistake
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Old 01-25-06, 05:32 AM
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sound like loose propeller inside the pump.
most of them are plastic.
not much you can do
Old 01-25-06, 05:53 AM
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air in the water hose, too small of a hose connector decreasing the volume in the pump (used to keep the pressure up), end of pressure nozzle set for bypass (mine pulls out to bypass pressure and pushes back for high pressure).. I had an electric one in the beginning, it had an adjustment on it for pressure, which was going through some sort of governor that would limit the pressure out.. maybe yours has a regulator also and its bad?..
Old 02-12-06, 06:29 AM
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Thanks for your help folks. I think I may just turf it and start over with a new one. Thanks again.
Old 06-28-08, 12:07 PM
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MH1300 Power Washer manual


I have a McCulloch MH 1300 power washer, but do not have the manual. Would you be interested in selling yours?

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