Cat Challenger help! - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 9 (permalink) Old 01-16-2009, 11:03 PM Thread Starter
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Cat Challenger help!

I have a Cat 55E challenger that had the hydraulic outlets rebuilt last winter and when I hook it to the planter the planter settles out to one side or the other. I thought it was the planter but if you raise it up and unplug the hydraulics the planter never settles. So if there is someone on here that may be able to help I would appreciate it or if you can point me in the right direction that would be good. The local cat ag techs are a bunch of retards in this area.

Erick
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post #2 of 9 (permalink) Old 01-17-2009, 03:33 AM
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Let me get this straight, when you hook your planter up to the cat it lets it down on its own.

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post #3 of 9 (permalink) Old 01-17-2009, 01:00 PM Thread Starter
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It's kind of like when it is hooked up the outlets on the back of the tractor have an issue but they were rebuilt last year and when it is hooked up the planter likes to settle out to one side or the other. Its a JD 1770 24row and when only half of it settles it looks like a train wreck and it is getting annoying.

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post #4 of 9 (permalink) Old 01-17-2009, 06:10 PM
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Well over how long is it sitting? Could be internal leakage in the cylinder, or leakage past the spool. When its disconnected the fluid has no where to go, that could explain why it drifts when its only hooked up. Hydraulics cant be sealed 100%, there's going to be some leakage past spools, and cylinders.

See if it does it on another valve bank, or try it on a different machine and see if it does it. Eliminate the planter before we go into the machine.
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post #5 of 9 (permalink) Old 01-17-2009, 11:14 PM
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I'm with Dutch on this one. Rephasing cylinders can do some funny things. IIRC, those planter rephase when lowered, not raised like a lot of tillage equipment do.

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post #6 of 9 (permalink) Old 01-18-2009, 12:53 AM
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94 Ford F-250, Reg cab, xlt, 12v cummins, 5 speed, 4:10s,
370's, edge jammer turbo, colt camshaft, tuned by Snap-on

99 Kenworth T800, C-12 cat power, 10 speed, 3:90 gears, ag200, ridewell tag, 24ft grain bed.

90 freightshaker, 3406a , 13 speed, um...it was cheap

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post #7 of 9 (permalink) Old 01-19-2009, 07:51 AM
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I would also look at the tractor itself. Even when you have the hydraulic "outlets" rebuilt, if the hydraulics are hooked up the problem continues past the "outlets". As in there might be something else in the hydraulic system letting it down. Just a thought, I only have a 65D so I don't know much about the newer E models.
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post #8 of 9 (permalink) Old 01-29-2009, 01:55 AM
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Did you try it in a different outlet? Also how many hours on the tractor? Could be something in the hyd system on the tractor. On dad's mt765 he doesn't have trouble on his 1770 24 row. I first thought it would've been the planter. Sometimes dad has to raise and lower the planter 3-4 times and bleed some cylinders to get it to level out. Could be in the planter. try a different tractor also.

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post #9 of 9 (permalink) Old 02-02-2009, 10:52 PM Thread Starter
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Its a little bit in the transport cylinders on the planter and some thing in the outlets on the tractor but don't matter now cause I think we are going to sell the planter now.

Erick
2008 F250 CCSB FX4


www.rivercitydiesel.com
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