Not enough power to mow

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challenger
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Re: Not enough power to mow

Postby challenger » Tue May 19, 2015 12:40 pm

Your engine compression needs to be in the 100 psi range but a tractor is no good without a properly operating governor. A sweet, responsive governor is music to the ears. It makes an engine come alive and, when called on, lets the engine get down and lug like it was designed to do. I go through the governors and linkage on all my Cubs to make sure they are at peak operating performance.

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Hengy
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Re: Not enough power to mow

Postby Hengy » Tue May 19, 2015 10:14 pm

Also, make sure that your governor has NO SLOP, when the engine is off and the throttle about half way. You should be able to grab the reach rod and try to move it wil almost ZERO movement. Any movement there will not allow the tractor to develop its full rpms or to react quickly to a load...
Mike (Happy as a Lark in Allison Park, PA)
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Check out my Restoration Thread (1955 Cub, Lewis)

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pickerandsinger
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Re: Not enough power to mow

Postby pickerandsinger » Wed May 20, 2015 4:41 am

Check the firing order also….Dave…..1,3,4,2 starting about 12:30/1:00 on the Dist cap…Clockwise
:)
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Nick
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Re: Not enough power to mow

Postby Nick » Wed May 20, 2015 4:56 am

Thanks guys. I printed all the thoughts & going to look into all. Thanks for the help--I'll be getting back with you...

Smokeycub
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Re: Not enough power to mow

Postby Smokeycub » Wed May 20, 2015 6:17 pm

bob in CT wrote:Once it is going all that inertia works in your favor like a flywheel. However, good compression makes a world of difference. Bear in mind that this is a low horsepower, high torque low speed engine, not a 25 HP zero turn mower
1541 wrote:I can attest that this is 2nd gear mowing. Notice he isn't hogging the mower


... and from experience I can say mowing down hill in 2nd helps a bunch! lol :D :coffee:
Ray
Smokeycub
Attachments - 193 plow - 144 cultivator - 22 mower - 28A disc harrow - 54 leveling blade - Woods 59C2 - drag harrows - Mott D9 flail - flat belt pulley
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cub.bub
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Re: Not enough power to mow

Postby cub.bub » Thu May 21, 2015 1:05 pm

Mowed 2 acres last night in 2nd gear with the woods 59, no problem. Put her in 1st gear in the orchard area only out of fear of tearing up something or getting knocked off the tractor by a limb....hey it happens! :(
Bruce.

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Re: Not enough power to mow

Postby Eugene » Thu May 21, 2015 1:55 pm

Bruce:

What did you do to fix the problem?
I have an excuse. CRS.

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challenger
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Re: Not enough power to mow

Postby challenger » Thu May 21, 2015 7:26 pm

Ditto on Eugene's question. Forum member's build their knowledge base on knowing how you solved your problem.

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pharmerphil3
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Re: Not enough power to mow

Postby pharmerphil3 » Fri May 22, 2015 8:55 am

I had the same problem with my 48, make sure the mower is setup right. If the mower belt is installed wrong it can bind up, if the deck is set to low, or blades are dull it will bog the tractor down too! Just my 2 cents :D

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BrianScub
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Re: Not enough power to mow

Postby BrianScub » Fri May 22, 2015 9:50 am

Pharmerphil, could you elaborate on installing the belt correctly? Mine has a twist in it that I'm not sure is supposed to be there. Although I can't seem to make it go away.

BrianScub
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Re: Not enough power to mow

Postby BrianScub » Fri May 22, 2015 9:54 am

For everyone else that has offered me advice on my mowing situation, thank you. I haven't had time to spend checking everything over. I hope to next week. I will let everyone know if I get it working correctly.

offrink
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Re: Not enough power to mow

Postby offrink » Fri May 22, 2015 10:27 pm

There will be a twist in the belt from the mower to the pulley on the mount.

BrianScub
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Re: Not enough power to mow

Postby BrianScub » Sat May 23, 2015 7:01 am

Interesting. My twist is from the pulley TO the mower. I will try and change it.

BrianScub
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Re: Not enough power to mow

Postby BrianScub » Sat May 23, 2015 7:02 am

Hey offrink, I see you're n caledonia. I'm in up north in Rockford. Small world

Scrivet
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Re: Not enough power to mow

Postby Scrivet » Sat May 23, 2015 8:18 am

Maybe a picture from the manual will help. Here's the belt routing page from Rudi's manuals.
http://www.cleancomputes.com/Cub/OEM%20Implement%20and%20Attachment%20Manuals/Woods%20Mower%20Manuals/59-C-2%20Rotary%20Mower/Page-11.jpg It's also slightly possible that you have a left hand discharge mower and the PO put a twist in the belt to get it to spin the correct way.


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