JD Model 30 Pan Thrower Adjustment

Jo Bird · Sep 6, 2016

My brother bought a JD 24 T baler with a model 30 pan thrower. He cannot get it to adjust the throwing distance, no matter which way he turns the dial from 8 on down. Most of the time the bale will not go over the front cross bar on the wagon. Any one know what is causing this. He tore the control valve apart, no blockages were found, the entire system/ tank/ filer has been cleaned and replaced the old oil with new. Any help as to what the problem may be would be greatly appreciated, thanks in advance.
Jo

RogerinIowa · Sep 6, 2016

Are the drive belts tight? Have you ran any pressure checks on the system? That is an old baler with an old thrower that could be 45
years old. It might be tired like the rest of us.

At #8 is the valve almost turned in tight?

Shetland Sheepdog · Sep 6, 2016

2 possibilities come to mind:
1 = collapsed/crushed suction line between reservoir on thrower and pump at flywheel.
2 = belt slippage at flywheel to pump.
HTH, Dave

Northvale - PA · Sep 6, 2016

they have a fine screen filter. I tried to get mine off, could not. If that screen is clogged it could slow down the flow. Also, the adjustment handle hits the indicator
disc. Make sure all that is tight and not just spinning and stuck on #1. Lastly, if you pop the fluid tank fill plate, seems like you should be able to see fluid flow. Is
there any? Maybe check that first.

Paul in MN · Sep 7, 2016

The double belt tension pulley arm may be stuck tight. It needs to be able to move freely and its spring should be adjusted quite tight. If your bales are way heavy (like 80 lbs) then it doesn't throw them very high at all. With bales in the 50 lb area, it should throw in a high arc all the way to the back of the wagon. IIRC, the numbered dial can be rotated on the valve stem, and so it might be out of adjustment. I am still using a #30 thrower on our 327 baler, and have robbed many parts from a much earlier #30 which was on a 24T to keep it going. Does your baler have V belt grooves in the flywheel? (Most do not). For the belts to get enough traction on the flywheel, it needs to be covered with a stick-on friction surface (like anti-slip tape used in bathtubs). If the friction surface is missing, the belts will always slip while trying to throw the bale, and the distance will be very short.

Good Luck!

Paul in MN

Jo Bird · Sep 8, 2016

Thanks to all whom replied. I suspect it will be a combination of belt slippage and low oil flow. What should the pressure be ? Where would you take the reading, on the line to the cylinder or is their a test port on the valve ? Thanks
Jo

JD Model 30 Pan Thrower Adjustment

Jo Bird

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RogerinIowa

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Shetland Sheepdog

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Northvale - PA

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Paul in MN

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Jo Bird

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