chuckcintron
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- Joined
- Dec 20, 2017
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I have a Makita backpack blower EB7650WH which has a 4-cycle engine. Light residential use. After about 16 hours of total intermittent usage over the last year, it died today.
Upon examination, I found that one of the tiny valve lifters is gone. Probably somewhere down inside the motor now. The unit is under warranty so it will be repaired at no cost to me.
BUT...now I'm worried about it. Losing a valve lifter at 16 hours is not a normal event and I do not believe the Makita tech support guy who told me the valves were probably just out of adjustment, causing the lifter to fail early. I believe that the real reason is that the valves are probably being starved of oil. There was a slight oil slick on the valve assembly, but not 'bathed' in oil like I expected.
So my question: Do you guys think a competent repair facility will actually do the diagnostics to determine if the oil system is working right - or are they just going to repair the valve and give it back to me? How would I know for sure?
I can't have a $500 blower going through valve lifters like they are candy, especially now that the warranty is almost over.
Upon examination, I found that one of the tiny valve lifters is gone. Probably somewhere down inside the motor now. The unit is under warranty so it will be repaired at no cost to me.
BUT...now I'm worried about it. Losing a valve lifter at 16 hours is not a normal event and I do not believe the Makita tech support guy who told me the valves were probably just out of adjustment, causing the lifter to fail early. I believe that the real reason is that the valves are probably being starved of oil. There was a slight oil slick on the valve assembly, but not 'bathed' in oil like I expected.
So my question: Do you guys think a competent repair facility will actually do the diagnostics to determine if the oil system is working right - or are they just going to repair the valve and give it back to me? How would I know for sure?
I can't have a $500 blower going through valve lifters like they are candy, especially now that the warranty is almost over.