radiator question

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Rob in NH
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radiator question

Postby Rob in NH » Mon Oct 04, 2004 8:43 pm

i have a 66 cub and when it gets up to operating temperature it starts to spit out antifreeze out the overflow. can i use a pressure cap on this? also how far from the top should i fill this? thanks

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Bigdog
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Postby Bigdog » Mon Oct 04, 2004 8:54 pm

You can use a low pressure cap if you want but it probably isn't necessary. The thermo-syphon cooling system will spit out the excess fluid and find it's own level which is usually about 1 1/2 - 2" below the neck opening. Generally, if the level is above the core tubes, you are probably OK. I think you'll find that if you leave it alone, it will seek it's level and stop spitting coolant. If you do go to a pressure cap, a 4 to 7# cap is about as much as your tractor will need.
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If you can't fix it with a hammer, you've got an electrical problem.

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Lurker Carl
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Postby Lurker Carl » Tue Oct 05, 2004 8:24 am

In addition to BigDog's good advice,

Don't use a pressure cap on your 40 year old coolling system, pressurizing it will pinpoint each weak spot with a leak.

Rob in NH
10+ Years
10+ Years
Posts: 2336
Joined: Sun Oct 03, 2004 7:11 am
Zip Code: 03848
eBay ID: panelbeata
Tractors Owned: 1947 circle cub
1950 cub demonstrator
1957 cub
1966 cub
Circle of Safety: Y
Location: NH, Kingston

Postby Rob in NH » Tue Oct 05, 2004 7:46 pm

i did put a new radiator in about 13 years ago, thats still considered new in cub years right. ha ha. thanks for all your advice, i think i'll just leave it alone. also i just found a grease fitting for the rear pto, it was under a bracket, hopefully didn't ruin anything.

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Bigdog
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Postby Bigdog » Tue Oct 05, 2004 7:53 pm

Don't bother to grease that fitting unless you are using the pto in a stationary mode such as a buzz saw. A single shot of grease once or twice a year is enough. There is another string dealing with this on the forum. The pto is splash lubed with oil from the differential when the tractor is in motion.
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.

My wife says I don't listen to her. - - - - - - - - Or something like that!

Image

http://www.cubtug.com

Rob in NH
10+ Years
10+ Years
Posts: 2336
Joined: Sun Oct 03, 2004 7:11 am
Zip Code: 03848
eBay ID: panelbeata
Tractors Owned: 1947 circle cub
1950 cub demonstrator
1957 cub
1966 cub
Circle of Safety: Y
Location: NH, Kingston

Postby Rob in NH » Tue Oct 05, 2004 7:56 pm

good that what i was hoping to hear, i thought i may have ruined the bearing.


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