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Case Tractors Discussion Forum
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Case 300/400 hand clutch

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GWeimer

04-05-2006 20:36:09




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I just bought a Case tractor with a hand clutch and foot clutch. The clutch slips horribly unless I hold the hand clutch forward. I have to push quite hard to keep the clutch from slipping when driving in 4th gear. The hand lever basically flops around; seems it should pull itself forward.

Seller claims it locked in place when they pushed it forward and they had no problem with it.

Any ideas what the problem might be?

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Walt Davies

04-06-2006 10:35:13




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 Re: Case 300/400 hand clutch in reply to GWeimer, 04-05-2006 20:36:09  
Pull the cover on the clutch (bell) housing turn the engine over by hand until you can see the small pin on the back of the clutch pull it out (back toward rear of tractor). Then move the pin and clutch plate in a clockwise motion about a quarter of a turn. Make sure that the pin goes back in all the way. Then check lever it should snap in when correct and stay there. Test tractor by running at full RPM in the highest gear and both brakes on as hard as you can push them. The clutch is correct when it doesn't slip. In other words it should pull the tractor forward or kill the engine. Be sure to use high gear so that you have full engine power against the clutch. Don't worry about hurting anything during the test it supposed to take full power against the drive train. If you can't stop it from slipping then split the tractor and replace the clutch disks. Walt
Email me for more info if needed.

Also I would look into getting a service manual for this tractor it will help alot.
Look on e-bay for a factory book they are cheap and well worth it.

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Klyde

04-06-2006 04:47:28




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 Re: Case 300/400 hand clutch in reply to GWeimer, 04-05-2006 20:36:09  
ADJUST THE CLUTCH if it isn't to late already!! When you slip the hand clutch enuf it gets hot and WILL weld all the plates together. There is no detent it snaps over center.



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Buck Moran

04-05-2006 21:12:07




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 Re: Case 300/400 hand clutch in reply to GWeimer, 04-05-2006 20:36:09  
I have the same thing on my Case 430LCK tractor. The manual clutch lever seems to have a detent inside that it is supposed to hold the lever forward. (I am guessing)It may be worn. We put a bungee cord on the lever to hold it forward. It sounds stupid but it worked.

Later, I took off the bungee and the lever seems to be holding satisfactorily.

However, I now have a problem with my tractor not having reverse gear. I was grading some crushed concrete (1"s and 2"s, in a hurry, using the differential lock repeatedly for more traction.

All of a sudden with no noise or warning, when I moved the gear shift lever into reverse, nothing--no reverse. Forward gears work, but no reverse.

I thought it may be the manual clutch partially engaged (or disengaged)or the lever that controls the 3 speeds: H, L or D (I guess High, Low or Direct)possibly slipping to a neutral position.

I just read on another website that I may have violated several deadly sins when operating a Case tractor: I was jamming my foot down on the differential lock pedal while moving and I was shifting rapidly from forward to reverse, and we have had an oil leak of hydraulic/transmission fluid.

I am hoping that no serious damage occured and that maybe there is some simple fix. Any ideas.

(Our nearest and best Case tractor repair facility is backlogged over 2 weeks and trying desparately to hire a new tractor mechanic.)

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