Fan rattle

Farmall Cub Forum -- Questions and answers to all of your Cub related issues.

Moderator: Team Cub

Forum rules
Notice: For sale and wanted posts are not allowed in this forum. Please use our free classifieds or one of our site sponsors for your tractor and parts needs.

Fan rattle

Postby offrink » Fri Jun 06, 2014 10:47 pm

So while mowing today my fan started to rattle on the shroud. Well within a short time it got bad. It was hitting the shroud hard enough to spark and when I emergency shut off the cub the belt was smoking and the fan snagged on the shroud.

I tried to tighten the rear (engine side) nut down but I couldn't get a good grip on it. I also tried to hold it with the nut in the middle but no dice. Is there a trick to this? I even tried to get off the air cleaner assembly for more room but I didn't even have room for that! It doesn't help I have very large hands but still this is rediculous. I spent 2 hours trying and I think I got 1/2 of a turn.

So what is your trick? Or is there a tutorial out there I couldn't find?
offrink
Cub Star
Cub Star
 
Posts: 129
Joined: Thu Jan 02, 2014 4:23 pm
Location: Caledonia, MI
Zip Code: 49315
Tractors Owned: 1949 farmall fcub

Re: Fan rattle

Postby Rodney51Cub » Sat Jun 07, 2014 6:20 am

To tighten the fan hold the nut on the engine side and turn the nut behind the fan or you might break the casting the fan is bolted to.

Rodney 8)
Farmall Cub Ol Red # 137572 August 1951
Sometimes, I amaze myself !
If you can not learn to do it well, learn to enjoy doing it badly.
Rodney51Cub
Cub Star!
Cub Star!
 
Posts: 244
Joined: Fri Feb 11, 2011 6:06 pm
Location: Southern Illinois
Zip Code: 62995
Tractors Owned: 1951 Farmall Cub
C-22 sickle mower
Bush Hog 412 mower
193 plow
144 cultivators
1950 John Deere A
Circle of Safety Award
Circle of Safety: Y

Re: Fan rattle

Postby offrink » Sat Jun 07, 2014 7:53 am

What size wrenches? And how do you even get them in place?
offrink
Cub Star
Cub Star
 
Posts: 129
Joined: Thu Jan 02, 2014 4:23 pm
Location: Caledonia, MI
Zip Code: 49315
Tractors Owned: 1949 farmall fcub

Re: Fan rattle

Postby Bill Hudson » Sat Jun 07, 2014 8:02 am

If memory serve me correct, 13/16" is the magic number. DO NOT turn the nut on the engine side. If you successfully turn the nut on the engine side BAD THINGS HAVE ALREADY HAPPENED. You turn the shaft on the flats that are machined on the shaft.

Bill
"The probability of life originating from accident is comparable to the probability of the unabridged dictionary resulting from an explosion in a printing shop." Edwin Conklin, biologist
Bill Hudson
Team Cub
Team Cub
 
Posts: 6395
Joined: Wed Jul 26, 2006 10:50 am
Location: OH, Madison
Zip Code: 44057
Tractors Owned: :
57 F-Cub
64 Lo-Boy
68 Lo-Boy
52 F-Cub
Circle of Safety Award
Circle of Safety: Y

Re: Fan rattle

Postby offrink » Sat Jun 07, 2014 8:26 am

And the flats on the shaft are located between the fan and the radiator or the nut looking piece about 2" forward.
offrink
Cub Star
Cub Star
 
Posts: 129
Joined: Thu Jan 02, 2014 4:23 pm
Location: Caledonia, MI
Zip Code: 49315
Tractors Owned: 1949 farmall fcub

Re: Fan rattle

Postby Bill Hudson » Sat Jun 07, 2014 12:04 pm

offrink wrote:... the nut looking piece about 2" forward.


That would be the place. I did check and 13/16" is the magic number. Good luck.

Bill
"The probability of life originating from accident is comparable to the probability of the unabridged dictionary resulting from an explosion in a printing shop." Edwin Conklin, biologist
Bill Hudson
Team Cub
Team Cub
 
Posts: 6395
Joined: Wed Jul 26, 2006 10:50 am
Location: OH, Madison
Zip Code: 44057
Tractors Owned: :
57 F-Cub
64 Lo-Boy
68 Lo-Boy
52 F-Cub
Circle of Safety Award
Circle of Safety: Y

Re: Fan rattle

Postby offrink » Sat Jun 07, 2014 1:29 pm

Thanks for checking. I have a 13/16 wrench but I couldn't get it on. Maybe I'll take a file and bruch to clean it off.
offrink
Cub Star
Cub Star
 
Posts: 129
Joined: Thu Jan 02, 2014 4:23 pm
Location: Caledonia, MI
Zip Code: 49315
Tractors Owned: 1949 farmall fcub

Re: Fan rattle

Postby Bill Hudson » Sat Jun 07, 2014 2:01 pm

Some wrenches may be too thick to fit in the narrow opening to the flats. Check and be sure that your wrench is not too thick. That might be your problem.

Bill
"The probability of life originating from accident is comparable to the probability of the unabridged dictionary resulting from an explosion in a printing shop." Edwin Conklin, biologist
Bill Hudson
Team Cub
Team Cub
 
Posts: 6395
Joined: Wed Jul 26, 2006 10:50 am
Location: OH, Madison
Zip Code: 44057
Tractors Owned: :
57 F-Cub
64 Lo-Boy
68 Lo-Boy
52 F-Cub
Circle of Safety Award
Circle of Safety: Y

Re: Fan rattle

Postby offrink » Mon Jun 09, 2014 2:27 pm

I had to grind down a wrench to make it fit but I have. Only issue is that the whole thing won't tighten down. Do they tighten down or is something more serious going on.
offrink
Cub Star
Cub Star
 
Posts: 129
Joined: Thu Jan 02, 2014 4:23 pm
Location: Caledonia, MI
Zip Code: 49315
Tractors Owned: 1949 farmall fcub

Re: Fan rattle

Postby raystractors » Mon Jun 09, 2014 2:55 pm

I would check the bearing, it sounds like the shaft is tight and you still have a loose fan. Check the shaft to see if it moves with the fan itself.
User avatar
raystractors
Cub Star!
Cub Star!
 
Posts: 217
Joined: Wed Aug 31, 2011 11:55 am
Location: Dover TN
Zip Code: 37058
Tractors Owned: 1950 Cub, 1952 Cub, 1970 Cub, 1975 Cub, 1953 Cub, 1939 A, 1948 super A, 1952 super A, 1950 C demonstrator, 1952 Super C, 1949 H, 1956 farmall 300, 1957 international 350, 1963 Massey Ferguson 35
Circle of Safety Award
Circle of Safety: Y

Re: Fan rattle

Postby offrink » Mon Jun 09, 2014 3:15 pm

Could the threading be stripped between the two? Everything seems in working order except it won't tighten down.
offrink
Cub Star
Cub Star
 
Posts: 129
Joined: Thu Jan 02, 2014 4:23 pm
Location: Caledonia, MI
Zip Code: 49315
Tractors Owned: 1949 farmall fcub

Re: Fan rattle

Postby offrink » Mon Jun 09, 2014 7:49 pm

So it looks like a bad bearing. Now the hard part. How do I replace that bearing? Remove the shaft after taking out the radiator?
offrink
Cub Star
Cub Star
 
Posts: 129
Joined: Thu Jan 02, 2014 4:23 pm
Location: Caledonia, MI
Zip Code: 49315
Tractors Owned: 1949 farmall fcub

Re: Fan rattle

Postby Barnyard » Mon Jun 09, 2014 8:08 pm

offrink wrote:Remove the shaft after taking out the radiator?

Radiator won't have to come out, but the shroud probably will.
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.
- Franklin D. Roosevelt -

Barnyard Bash CubFest May 30th - May 31st, 2014
Click here for info http://www.barnyardbash.com
http://www.Savethecub.com
User avatar
Barnyard
Team Cub
Team Cub
 
Posts: 17872
Joined: Tue Aug 07, 2007 3:39 pm
Location: OH, New Haven (Hamilton County)
Zip Code: 45030
Tractors Owned: At This Time
40 Farmall Cubs (Round Hood)
2 Farmall Cub (Square Hood)
2 IH Cubs (Square Hood)
5 Lo-Boys (Round Hood)
2 Lo-Boys (Square Hood)
2 Farmall 404's
1 Farmall H
1 Ferguson 20
1 Cub Cadet 125
1 Kubota B-7100
Circle of Safety Award
Circle of Safety: Y


Return to Farmall Cub

Who is online

Users browsing this forum: John *.?-!.* cub owner, raystractors and 3 guests