Radiator - how to get at those back bolts?

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Radiator - how to get at those back bolts?

Postby allenlook » Fri Aug 06, 2004 9:08 pm

OK, I'm taking the radiator off. I got all the big metal pieces off the front and sides of it and cleaned out all the spiders and mouse nests that were in there...

I also got the four screws out of the fan shroud (but it's still stuck on the fan of course). Curse the person who invented standard slotted (and rusted) screws.

Now, how do I get the four bolts out of the back of the radiator?
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Postby johnbron » Fri Aug 06, 2004 9:11 pm

I used a box/open end wrench.
Then came Bronson
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Postby John *.?-!.* cub owner » Fri Aug 06, 2004 9:14 pm

To remove the fan assembly, first take off the air cleaner, and remove the generator. Now you can loosen the fan bolt. To do this use a wrench to turn the shaft, not the nut. Then slide the fan down enough to slip the belt off and then the fan can be moved up out of the slide and to the side along with the shroud. Then a long extension can be used to get to the bolts. A wobble joint helps.
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Darn.

Postby allenlook » Fri Aug 06, 2004 9:57 pm

I was afraid you were going to say that... :shock:
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Postby John *.?-!.* cub owner » Fri Aug 06, 2004 10:05 pm

It's also the ideal time to change the belts if they're worn, as well as make sure the tube from the air cleaner to the block is clear, including it's fittings. Don't forget to oil the fan while it is easy to get to. There is no seal in the rear of the fan, so if you lay it over while it is off it may leak. Also easier to oil the generator while the hood is off.
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Hood is off.

Postby allenlook » Fri Aug 06, 2004 10:08 pm

Had some difficulty getting the hood off, but I assume it's OK with the little bit of gas in the tank, as it doesn't seem to be dripping. I put it up on sawhorses and put a bucket under it just in case.

The rubber hoses from the air cleaner will have to be replaced, so I've set them aside for my next trip to the hardware store.

I also plan to get all new fluids and some replacement grease fittings, as well as different screws to hold the fan shroud on - something that won't rust and that isn't standard-slotted probably.

I don't quite understand your instructions on removing the fan assembly, but I'll print them out and have them handy tomorrow when I can get a look at it again.
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Belt loose

Postby allenlook » Fri Aug 06, 2004 10:09 pm

Also, I noticed that the belt from the fan to the generator is *very* loose, but I'm assuming all I have to do is move the generator out a ways - it's on an adjustable slot just like the one on a car.
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Postby John *.?-!.* cub owner » Fri Aug 06, 2004 10:14 pm

You are correct on the generator.

There are 2 ears that extend up from the timing cover that the fan hub is mounted to. The shaft for the fan has a flat spot on it just in front of the fork to put a wrench on, and the nut is in a channel in the 2 forks. To remove the fan you turn the shaft and the nut stays stationary.
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Too dark...

Postby allenlook » Fri Aug 06, 2004 10:26 pm

Man, that's hard to see in the dark. I'll have to wait until morning! Thanks for all your help so far. I've got the poor thing half torn apart, and it's bleeding liquids from all ends on a big sheet of plastic in my new barn :shock:

All of the liquids look like used motor oil - smelly, very watery, and black as sin. :?
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Postby Steve Butram » Sat Aug 07, 2004 8:38 am

Allen, I use a universal joint socket and a 12 long extension to reach the rear bolts. I bought the sockets in a set from Sears . They have proven to be very valuable. Steve
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Got it, thanks!

Postby allenlook » Sat Aug 07, 2004 1:52 pm

Got the radiator off and drained the reservoir... Took the generator and the air cleaner and the fan off just to see how they worked. Only took about 1/2 hour anyway. :)
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