CIH 1660 rock trap?

Dave H (MI)

Well-known Member
As part of reading the manual at night, in my spare time during the day I am looking at all the insides of this beast and working on the lights to see if I can get them all working. Got a bee in my bonnet about straw so I took off the back covers and found chaff packed around the gears for the two rear chaff dispersal units...so cleaning that out lest we have a fire.

More to the point, I was looking underneath to see if it has the optional rock trap. The manual has no index so I am not finding any pictures of it real soon. What I found was a heavy door hanging open at the rear of what I would call the "feeder housing". This door would be in line with the windshield. I did not actually crawl under there (knees again, trying to avoid stressing them more than necessary) but was wondering if this could be a rock trap? That would be a nice thing to have as we have so many grapefruit size rocks that I have already built a bbq out of them and considering a rock house. Anyone give me some clues as to what to look for to ID this for what I think it is?
 
Sounds like it has the rock trap. There should be a lever/handle just above the lift cylinder towards the ouside edge of feeder house close to the reverser chain/cover that snaps over center and keeps the door closed. I clean out all the chaff behind the spreader cover plates (as you mentioned) at the end of season when I clean the rest of the combine.

Brad
 
Thanks Brad, I believe you are correct. I found the handle on the left side under the feeder house and and it latches the door shut. Eventually it will come up in the manual, I hope.
 
On the lower drum of the feeder house you can also lock it down so a rock will slip the clutch. Reverse the feeder house and you can pick the rock out.
 
And for further reference (at least from a Deere standpoint), don't open that in the shed or the drive in front of the shed at the end of the season. There will be tons of junk in there. Stand down wind and open it in the last field that you combine. That keeps the mess away from home. Same reason I clean the baler as much as I can in the field.
 
You need JI Case 1660s for a simpler combine.
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Dave ,when doing corn it is a good idea to dump it every morning before you start you will find it fills fast with ears of corn.
 
Uh yeah....learned a long time ago to clean the balers in the fields. One year the grass hay was full of Queen Anne's Lace and weather held me up so it went to seed. I ended up with that stuff coming up everywhere because I brought the baler home without emptying the chute and cleaning it. It's just easier to leave the junk where it came from. :)
 
I like those! I like all the old equipment. Couldn't afford anything else 12 years ago so I had to. I had so much trouble with the corn planter this Spring that I went a little long on the combine. I'm hoping this one will let me skate by without having to rebuild it from the ground up. So far it all looks pretty good.
 
A multi-tasker eh? Delivers shelled corn and some still on the ear? I have a flock of heavy geese here the kids used to show at the State Fair before our imported former governor cancelled the thing. They will happily shell that for me.

I'll remember to check it because it won't take long for them to learn the routine and they will be waiting for it in the AM.
 
For the spreader gear compartment, fasten some zip ties around the spreader shafts. This will keep chaff agitated and keep it from building up. This is a problem area for starting fires if a bearing goes bad
 
Well Matt, you just accessed that part of my brain that does not forget things. The mental note there is to be sure to stay on top of lubrication in dusty areas especially. I am a nut about it anyway...carry a grease gun and extra grease with me on all the equipment. Things are cheap at garage sales and I always needed them handy when mowing hay with sickles that had 2 hr fittings. The zip strip idea is genius. Thanks!
 
Honestly, they will find it without me having to hand feed it to them. The fields are all fenced so I can just turn out livestock on the fields after I am done harvesting.
 
I would check the rock trap often in rocky conditions, IH thinks you can put a trough in upper of feeder house and rely on the ability of being to smash rocks into this trough that is already full about the first minute of crop in machine.
 

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