IH 660 Clutch

Hello, I recently had my D282 rebuilt, I put it back into my 660 started it up, went to drive it, but when I would push in the clutch it would not go into gear. I adjusted the clutch and TA according to the manual but that did not make a difference. I then split the tractor and the clutch was in backwards, so I switched it around, checked to make sure clutch and TA were still adjusted right and proceeded to put it in gear, but it still would not go into gear, I just push in the clutch, and try to put it into gear but it just grinds. Any help would be greatly appreciated.

It's POSSIBLE you've bent or sprung the lined clutch disc when you installed it backwards, or in the process of rolling the tractor back together twice.

How about the flywheel-to-crankshaft bolts, are they the original ones, or a correct replacement (likely have thin heads).

Was the flywheel clutch surface ground/resurfaced as part of this ordeal?

Was the pressure plate finger height checked? (I don't have my manual at hand, so I don't know what is said about that in the manual.)

Sounds like the TA clutch is not releasing. the TA needs to release just before the main clutch.Double check the measurements then pull the cover off and watch to see what is happening.

Sounds like the TA clutch is not releasing. the TA needs to release just before the main clutch.Double check the measurements then pull the cover off and watch to see what is happening.
If it is the TA try to pull the tractor into TA, if it shifts easy then that is where you need to look.

IF the disc is deformed, (pushed in in the middle) or bent, it will drag, causing the problem. if the TA clutch was not releasing it would not affect the tractor moving, or going into gear. so the real issue is the primary clutch. The disc should have no more than .020" axial runout (wobble on the shaft) Look for spots on the clutch shaft splines that can keep the new clutch close to the flywheel, rubbing, so the shaft splines need to be checked looking for a "step" in the sides of the splines. Jim

I will echo what Jim and Bob are telling you. The reply about the TA clutch causing your problem is only confusing your issue. Yes, for your tractor to shift correctly the linkage or levers between the clutch linkage and the TA clutch shaft need to be adjusted correctly but that does not stop your main clutch from releasing. That linkage to the TA can be completely removed from the tractor and the main clutch would still release and let you shift the gears. Take the cover off below the main clutch and have someone push the clutch down. Look for the pressure plate pulling back releasing the squeeze on the lined clutch plate. You may have to rotate the engine to a couple different positions but you will likely find the clutch plate is expanding in multiple directions due to distortion Jim is speaking about. Here is more detail about the TA release on your tractor when it is working properly. The purpose of that linkage to the TA is to release the TA clutch when there is back pressure on the gears like stopping on an incline with the TA in the direct or high side operation. The one way clutch and the direct TA clutch bind the gear train from rotating backwards thus the TA clutch needs to release to allow the gears to shift without binding pressure. That explanation is probably clear as mud, but it is a fairly difficult thing to explain. Bottom line is your problem is in your main clutch not the TA. Hope this helps.

sure sounds like the hub on the clutch disc is sprung.

The TA release being out of adjustment won't cause it to grind going into gear. That only comes into play when getting the tractor OUT of gear. It will be bound up and you will be tempted to reef on the shifter to get it into neutral.

The main clutch has to be driving the transmission input shaft to get grinding.