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Farmall & IHC Tractors Discussion Forum

How do you properly use a TA?

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CenTexFarmall

04-11-2008 16:56:37

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It was a bit of a surprise, but dad went and bought a 560D! It has some cosmetic issues but appears to be mechanically sound. Everything works on it, no blue smoke, no excessive blowby.

It's our first tractor with a TA and while we're ordering a manual for it, I want to jump the gun and ask you guys about do's and dont's for the TA. This one seems to work fine and we want it to stay that way as long as possible. So let me know what you've learned over the years.

I'll try to get some pics of it soon.

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Owen Aaland

04-12-2008 11:03:32

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Re: How do you properly use a TA? in reply to CenTexFarmall, 04-11-2008 16:56:37

Steven f/AZ said:

TA lever should be ahead when shutting down the engine - a kickback or running backwards when in low range can be tough on ramp and rollers.

When in doubt, use direct (lever ahead).

If you are worried about the TA ramp/rollers locking up on shut off, you need to have the lever back, not forward. Any time the engine turns backwards they will lock up. By releasing the direct clutch you allow the planetary gears to spin thereby eliminating the sudden stopping of the engine.

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Steven f/AZ

04-11-2008 17:03:59

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Re: How do you properly use a TA? in reply to CenTexFarmall, 04-11-2008 16:56:37

Some simple rules...

1. Shifting should take one second or less - any time you move the lever slowly you are SLIPPING A CLUTCH.

2. ADJUST the TA and clutch TO THE LETTER of the manual!

3. Do not try to brake with the TA, pulling the lever back allows the tractor roll forward as fast as it wants to. Too fast and the TA will explode (like going down a hill). This is called "free-wheeling."

4. Do not let the tractor roll backwards while in a forward gear or roll forward while in reverse, this lets the ramp and rollers "ratchet" past each other and wear. Same basic thing happens when "free-wheeling."

The TA has its own clutch, the clutch is engaged in high range or "direct." When you pull the lever back, you have low range and the TA clutch is disengaged and the throwout bearing is running (just like holding down the foot clutch). It is a bearing and is made to run, so using the tractor in low range for extended periods is just fine.

If you ever have trouble pulling the tractor out of gear or shifting gears in general, try pulling the TA lever back. If it shifts better, you need to adjust clutch and TA linkages.

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CenTexFarmall

04-11-2008 17:28:46

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Re: How do you properly use a TA? in reply to Steven f/AZ, 04-11-2008 17:03:59

For #3, let me make sure I understand with a scenario: Let's say I'm climbing a hill with some load and the TA is engaged, I understand you're saying to disengage the TA as I'm cresting the hill?
I remember seeing a sprag setup in there while browsing my M IT manual.

For #4, would this situation result if you had the TA engaged and then pressed the clutch while inclined in the respective wrong direction?

I did notice a little drag on the shifter this afternoon while going through the gears. The TA was not engaged. I'll get an IT manual for 560 and check the adjustment.

Is there some trick about TA position when shutting down the engine? I vaguely remember something about that being posted somewhere.

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Steven f/AZ

04-11-2008 17:58:53

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Re: How do you properly use a TA? in reply to CenTexFarmall, 04-11-2008 17:28:46

CenTexFarmall said: (quoted from post at 17:28:46 04/11/08)
For #3, let me make sure I understand with a scenario: Let's say I'm climbing a hill with some load and the TA is engaged, I understand you're saying to disengage the TA as I'm cresting the hill?

I remember seeing a sprag setup in there while browsing my M IT manual.
For #4, would this situation result if you had the TA engaged and then pressed the clutch while inclined in the respective wrong direction?

I did notice a little drag on the shifter this afternoon while going through the gears. The TA was not engaged. I'll get an IT manual for 560 and check the adjustment.
Is there some trick about TA position when shutting down the engine? I vaguely remember something about that being posted somewhere.

#3. Yes, let's say you are going up a hill with the lever back (low range), once you crest the hill you should put the lever ahead (direct) so you don't free-wheel.

#4. If you are going up a hill and push the clutch in, letting the tractor roll backwards while still in gear - that is tough on the ramp and rollers.

TA lever should be ahead when shutting down the engine - a kickback or running backwards when in low range can be tough on ramp and rollers.

When in doubt, use direct (lever ahead).

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CenTexFarmall

04-11-2008 18:32:44

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Re: How do you properly use a TA? in reply to Steven f/AZ, 04-11-2008 17:58:53

Thanks for the info!

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Allan In NE

04-11-2008 17:00:07

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Re: How do you properly use a TA? in reply to CenTexFarmall, 04-11-2008 16:56:37

Use it; that's what it is on there for.

Allan

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CenTexFarmall

04-11-2008 17:38:01

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Re: How do you properly use a TA? in reply to Allan In NE, 04-11-2008 17:00:07

You know, those thieves would have a lot harder time siphoning your fuel if you were on PROPANE! :)

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