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  #1  
Old 06-10-2022, 08:47 PM
EternalArianne EternalArianne is offline
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Default Best way to keep a string trimmer cool?

I was over at my grandmother-in-law's place today doing some weed trimming. It's a fairly large lot with lots of trees and fences to trim around. After about an hour of solid work, I shut off the trimmer to change the line. Went to crank it back up and it would idle but shut off when I gave it the throttle. After I let it sit for a good 30 minutes, it worked fine again. So I assume it overheated?

This doesn't seem to be just this particular trimmer, as I had a different one the last time I did this at her property. Except that trimmer overheated after only 30 minutes of runtime.

Is there a good way to keep these things cool? Or is it just the consumer grade equipment isn't meant for long sessions, and I should get a commercial grade unit?
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Old 06-11-2022, 10:05 AM
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Farmall450 Farmall450 is offline
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Buy a $200 ECHO SRM-225, problems solved.

https://www.farmandfleet.com/product...n-trimmer.html
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Old 06-11-2022, 12:28 PM
EternalArianne EternalArianne is offline
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Echo is the same brand my local repair shop advertises as well. Maybe once my Cub Cadet trimmer dies (which I got for free btw), I might look into a professional grade trimmer.
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Old 06-12-2022, 10:16 AM
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Farmall450 Farmall450 is offline
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Quote:
Originally Posted by EternalArianne View Post
Echo is the same brand my local repair shop advertises as well. Maybe once my Cub Cadet trimmer dies (which I got for free btw), I might look into a professional grade trimmer.
ECHO makes a premium product in Lake Zurich, IL. And, they have a 5 year consumer warranty.
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Old 06-12-2022, 11:40 AM
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Sounds like vapor lock. Carburetor gets hot when shut down because there is no fuel and air flow to cool off. Try idling a moment before hitting kill. If that doesn't work, consider richen the mixture a little to run cooler.
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Old 06-12-2022, 05:43 PM
EternalArianne EternalArianne is offline
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Quote:
Originally Posted by Billy-O View Post
Sounds like vapor lock. Carburetor gets hot when shut down because there is no fuel and air flow to cool off. Try idling a moment before hitting kill. Of that doesn't work, consider richen the mixture a little to run cooler.
I'll try the idle trick. This trimmer calls for 40:1 ratio, which is what I've been using in it (the premix canned stuff).
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Old 06-18-2022, 08:04 PM
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Have a look at how much oil is in a 40 to 1 mix and you expect that to provide good lubrication and cooling , I have been using 25 to 1 mix with no problems also no smoke as the motor is pretty much always running at peak RPM
Some will de-cry my usage but the advice came from some one who makes a living working on small engines , not a hobbyist
Oz
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

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