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jinma 354 clutch life

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January 25, 2012


mro1055

Lifetime Member

posts 2

i know this is like asking how to hit a bullet with a bullet.. but how long should a clutch last in a 354 in terms of hours..i have a shade tree mechanic telling me that i need a new clutch at just over 400 hours..the tractor is slipping a bit in first gear…otherwise it runs like a top…. not that i dont trust him but any advise by those more experienced would be appreciated..

January 25, 2012


RichWaugh

Lifetime Member Elite

posts 280

Post edited 4:29 am – January 25, 2012 by RichWaugh


Did this mechanic base his judgment on actually inspecting or measuring the clutch disc(s) or is he just basing this on your symptom of slipping first ear?

Was the clutch properly set-up when the tractor was new?  Many of these clutches come from the factory sufficiently out of adjustment so that they have a rather short life if not properly set up by the person assembling the tractor in the US.  If properly set up on the initial assembly, and driven appropriately, the clutch should easily last more than a thousand hours. 

Have you checked the clutch adjustment recently?  Is the pedal free play correct?  At what point in the clutch pedal travel does the clutch begin to engage?  All things to know to diagnose the problem.

If you ride the clutch, or use the clutch to finesse speed instead of using the gears and throttle, the life will be shortened markedly. 

The clutch can also develop slippage due to contamination from lubricants from either the engine or the transmission.  Have yo checked inside the bell housing to see if there is either signs of contamination (mung, drool, grease, etc) or signs of dust and debris from excessive clutch wear?  You should be able to see this if you pull the  have a loader you'll have to remove the right side loader tower to get to the access hole.

So the answer to your question is just a bunch more questions.

To hit a bullet with a bullet, get the first bullet to sit still and be a willing victim.roflmao

 

January 25, 2012


Bob Rooks

Lifetime Member Platinum Elite

posts 868

I concur with all Rich said.

"The only time your foot should be on the clutch is when your hand is on the gearshift."

January 25, 2012


Affordable

Supporting Dealer

posts 195

I do agree with the above and will add the following, most of the Jinma tractors that were imported into the USA and assemblied here,did not have the clutchs adjusted correctly from the start,which can cause premature failure.We have assembled hundreds of Jinma Tractors and I would have to say less than 10 % of them had clutchs that were adujsted correctly from the factory. Most people did not know to adjust them because they seemed to work OK ( including us in the 1st year) After replacing several clutchs under warranty, we tried to figure out why. After we started adjusting them during assembly the we had no warranty replacement clutchs and had customers coming in with 800,900 hours with no clutch problems.

Make sure your mechanic knows how to adjust a two-stage clutch ! ,If we can help you with any parts let us know

 

Tommy

Affordable Tractor Sales

"Your Jinma Parts Superstore"

http://www.affordabletractorsalesco.com

January 25, 2012


bg

Lifetime Member

posts 28

I spoke to a mechanic who maintains a large fleet of small to midsize tractors used mostly for mowing. His SOP was replace the clutch at 1000 hours.  BG

January 25, 2012


mro1055

Lifetime Member

posts 2

thank you all for the help… i will look into the suggestions and advise

January 31, 2012


circleg

Supporting Dealer

posts 36

As everyone above has mentioned most of the causes for premature clutch failure was due to not being adjusted correctly when the tractor was assembled. Lets hope you have some adjustment left, if not we have the complete clutch packs in stock.

Phillip

Circle G Tractor Sales, Inc.

http://www.circlegtractorparts.com


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