d-17

weggej · Nov 6, 2011

i bought a seriers four d-17 1967 according to the serial number and haven"t found an IT manual yet the previous owners didn"t ever use any thing except the front loader. I was wondering how to get the rear hitch to work. There are two sets of levers one has three and two of these work the front loader up & down other bucket what is the the third lever for? Then there are two smaller ones up further that look like this should be for operating each side of the rear hydraulic units. Also there is a large lever next to the tranmission on the right side if seated in the seat what does this do? I found the one that engages the pto and for the brake set lock. Any help would be greatly appreciated.

wolfman · Nov 6, 2011

The lever by your right hand next to the fender (probably three levers side-by-side) operates the three point hitch. It's the outside lever of the 3 and a little taller. The other two operate the remote outlets. The big lever with a button on top is the high-low-neutral power director lever.

JMS/.MN · Nov 6, 2011

You need the OPERATOR manual to describe how the controls are used. The I&T SERVICE manual for that tractor would be the AC-17. Two different books.

weggej · Nov 7, 2011

There is another lever further back on the same side as power director that is toward the back of the foot board is this some kind of differential lock or what does it engage? Also is an internal pump that controls the rear lift or does it run off the same pump that sticks out the side?

Skyhighballoon(MO) · Nov 7, 2011

On a Series IV the pump on the right side of the torque tube runs all the hydraulics - lift arms, remotes, traction booster. The power steering has it's own pump on the left front side of the engine ran by a belt off the crank.

If you have a lever on the right foot board next to the transmission housing, it is the hook release for the snap coupler bell under the tractor. Push the lever to the rear and the hook opens up allowing you to remove the snap coupler draw bar or to unhitch a snap coupler implement. Mike

weggej · Nov 7, 2011

Thanks for the info to all. One more question there are the three levers side by side one for the rear lift two for the front loader. But there are two more small levers back a little farther on the same console what do these operate? Also can the rear lift and front loader be operated at the same time?

Skyhighballoon(MO) · Nov 7, 2011

The rear two levers on the right fender hydraulic controls are the traction booster and position control. Of the top of my head I'm not sure which is which but I think the traction booster is on the outside and the position control is on the inside.

The tractor booster is used to set the sensitivity/amount of draft control for something like moldboard plowing which raises the implement (ie. plow) up slightly when it starts pulling harder, thereby transferring weight to the rear end increasing traction.

I'm not sure I can really explain well the position control...others will chime in.

And yes, you can use the remotes that run your load and the rear lift at the same time. Mike

weggej · Nov 7, 2011

does the rear lift have down pressue? if so it doesnt seen to be working then and the front loader works fine.

Skyhighballoon(MO) · Nov 7, 2011

No - the rear lift arms do not have down pressure. If you look at the external hydraulic lift cylinders under the lift arms you will see a single hose connection at the rear. Down pressure would require a 2 way cylinder and a 2nd hose connection on the opposite end of each hydraulic lift cylinder. Mike

weggej · Nov 7, 2011

Do the two levers for the traction and draft control need to be in a certain position for the rear lift to operate? Is there something that would cause the valve for the rear not to work an adjustment of some type.

Anonymous-0 · Nov 7, 2011

Right hand lever near the floorboard is snap coupler disconnect. Does your tractor have a lever, on the left side of the dash, that says traction booster? As others have said, if you have 3 levers, on the hyd, one should have a detent, in the lower position, which allows the hitch to float. If you can post pictures, it might help, there are about 3 different hydraulic systems, that "can fit" your tractor, series 1/2, 3, and 4. Plus, some of the valves, in other D-series tractors can get cobbled up, to make some weird, non factory, junkyard combo's.

Skyhighballoon(MO) · Nov 8, 2011

If you are not using the traction booster, put both the traction booster and position control levers all the way forward. They should have no impact on causing the rear lift arms to not lift. If the traction booster finger & linkage is rusted/stuck it can cause the rear lift arms to go up and stay up. You need to free up the linkage to prevent this. Mike

weggej · Nov 8, 2011

Thanks a lot for all your help I will chceck out the linkage because both of the lift cylinders are stuck in the up positionn and won't come down. I will start woking on these tomorrow and am going to pick up IT manual at TSC in Union MO.
I also noticed today when I was hooking up the rear hitch there was a rod knocked off hanging loose underneath. I wonder if this could be going to the traction system. Looked like it was hooked to some type of spring system that went up by the rear end.

Skyhighballoon(MO) · Nov 8, 2011

If you live in Franklin county I'm right next door in St. Louis county. I have a Series IV myself and would be happy to help with any more questions you have. My e-mail is open if you want to drop me a note and I'll give you my full contact info. Mike

rogerdoger-plowboy · Nov 9, 2011

I LIVE BETWEEN WASHINGTON AND UNION, i HAVE A COUPLE OF SERIES 4 D-17s, I would be willing to help if you need some info. my # is 636-239-7503 Roger

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