Clean those radiator fins

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Clean those radiator fins

Postby Glen » Fri Jul 26, 2013 12:54 am

Hi,
I just wanted to mention that Cub radiators need the radiator core cooling fins cleaned, it's summer, and dusty. Mine gets dirt and grass in the fins. Clean them out with an air compressor blow gun, or water, garden hose with a nozzle. Have your engine off, and get in by the fan, and blow or wash it forward. If you have lots of stuff in front of the radiator core, you might need to take off the grille. They can't cool good with dirt in the fins. It takes some time to clean the whole core well. Wearing eye protection would be good too when using the air or water. Have a good day everyone, Glen. :)
Last edited by Glen on Fri Jul 26, 2013 3:06 pm, edited 1 time in total.
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Re: Clean those radiator fins

Postby pickerandsinger » Fri Jul 26, 2013 5:25 am

Always be careful when cleaning a radiator with air....And if you pressure wash on occasion, stay away from the radiator and for that matter anyplace that may not be water tight...But your definenately right, mine was pretty smucked up the last time I cleaned it....I used mostly manual cleaning methods....It is something that is often overlooked..... :thanx: Dave
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Re: Clean those radiator fins

Postby Buzzard Wing » Fri Jul 26, 2013 6:06 am

Shop vac and for the 'second pass' I used a 'dust brush' head on it. If you need to straighten fins, carefully with a pair of thin flat nose pliers... carefully because the 'mechanical' connection of the fins to the core is what helps transfer heat.

Shop vac because stuff stuck to the front may not want to go through.
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Re: Clean those radiator fins

Postby glennhuff » Fri Jul 26, 2013 10:14 am

Absolutely keep that radiator clean. I run heavy equipment for a living, and on equipment that gets dusty. like the brush cutters, and road sweeper, we try to blow out the radiator twice a day. Keeping the engine cool not only keeps things from overheating and warping, but also keeps the oil from getting hot and "burning". It would be difficult to work a cub hard enough to really get things hot (unless you were using it as intended, plowing from daylight till dark) but it will definitely be a lot happier, and last longer if the radiator can do it's job.

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Re: Clean those radiator fins

Postby Glen » Fri Jul 26, 2013 3:00 pm

Hi,
Thanks for the comments guys. You're right Dave, wearing eye protection would be good when cleaning the radiator core. :)
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Re: Clean those radiator fins

Postby indy61 » Fri Jul 26, 2013 3:44 pm

Never had a problem with the fins and I've mowed weeds taller than the hood. The grille screen might need cleaned every now and then. Sometimes I wish the Cub would run hotter than it does.
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Re: Clean those radiator fins

Postby pickerandsinger » Fri Jul 26, 2013 4:21 pm

indy61 wrote:Never had a problem with the fins and I've mowed weeds taller than the hood. The grille screen might need cleaned every now and then. Sometimes I wish the Cub would run hotter than it does.
[quote="indy61"] Can't tell by your zip (00000) but I suspect Indianapolis and you must plow snow with it to want it to run warmer ?????? Just fashion yourself a cover, you can get as fancy as you want....Zippers or snaps to adjust the air flow etc....Or the other extreme a piece of card board cut to your needs....Watch you don't overheat it though...Mine runs hot anyhow....Especially since I changed the radiator....(aftermarket thing)....I use -40 additive to keep it cool.....Dave
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Re: Clean those radiator fins

Postby Posco » Fri Jul 26, 2013 6:04 pm

pickerandsinger wrote:Watch you don't overheat it though...Mine runs hot anyhow....Especially since I changed the radiator....(aftermarket thing)....I use -40 additive to keep it cool.....Dave


What do most people run year round? I drained the coolant in mine just to see if any corrosion broke free and drained. Looked like straight Prestone or an equivalent.
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Re: Clean those radiator fins

Postby Posco » Fri Jul 26, 2013 6:04 pm

pickerandsinger wrote:Watch you don't overheat it though...Mine runs hot anyhow....Especially since I changed the radiator....(aftermarket thing)....I use -40 additive to keep it cool.....Dave


What do most people run year round? I drained the coolant in mine just to see if any corrosion broke free and drained. Looked like straight Prestone or an equivalent.
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