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Post by nsman on Mar 9, 2018 20:23:33 GMT -5
You mentioned you changed the oil tank
Did you verify oil flow past the filter and did you bleed the air from the lines and pump?
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Post by kawonda750 on Mar 10, 2018 7:52:34 GMT -5
As above. Mix the gas, start it up and then hold the oil pump wide open. You can see the oil inching its way through the lines from the tank to the pump and then to the engine. Then finally you smoke the heck out of the neighbourhood.
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Post by hunleysfriend on Mar 10, 2018 10:47:31 GMT -5
Noise source located and I feel like an idiot.
It’s coming from the tach.
Initial start up the tach works smoothly. Once squealing starts it begins the needle jumps erratically.
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Post by hunleysfriend on Mar 10, 2018 10:51:45 GMT -5
About bleeding the oil lines.
There IS air bubbles in the supply line to the pump. Should I be concerned? As I said all pipes pour smoke profusely. I did jam the oil pump fully open for about minute or so of run time. Same oil bubble.
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Post by hunleysfriend on Mar 10, 2018 11:03:49 GMT -5
Pulled out my Glenn’s manual. Oil line bled.
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Post by Walms on Mar 10, 2018 11:09:00 GMT -5
Cool, glad it's something non-motor related! The line from tank to pump is a gravity feed so if air bubbles there, check the filter on the oil tank to see if it is clogged.
Fwiw, the tack and the oil pump are powered by the same gear off the crank nose. If your tach ever stops working, remember that the oil pump could be affected as well.
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Post by shiloh on Mar 10, 2018 13:57:25 GMT -5
Your tach drive cable may be dry.
I had a similar ocurrance like yours, I lubed the tach cable and the squealing went away.
Just a thought.
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Post by hunleysfriend on Mar 10, 2018 15:32:43 GMT -5
Thanks for everyone’s helpful suggestions. Gotta fix the tach and come up with a rear brake light switch spring and I’m done..... for now.
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