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JD 60 overheating

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Redneck

11-21-1999 15:55:03

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Allright all you experts help me out here. I have a JD 60 with a JD 237 corn picker mounted on it. This tractor will run fine all day long until I go to picking corn then it slowly heats until it boils over (usually takes about 45 minutes to get to this stage). Have taken extreme measures to insure the radiator isn't plugging up so that ain't the problem. This tractor has me puzzled. Thanks for any help ideas.

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Dennis

11-23-1999 16:58:20

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

You take care of everything on the outside first-chaff,dirt--anything that restricts the direct--and I mean direct--contact of air on the fins. If that doesn't work you have to go inside. Maybe its time for a thorough cleaning. Heat doesn't transfer too well through scale deposits. You sound like your just walking the line between OK and boil over. You would be suprised how much better a clean core works. I rebuilt two tractors in my day and I always insist on new cores. We used to have the snoots and side panels but threw them on the wagon at the last junk haul. We replaced the screens in the front grill, one time, on the 70 diesel with the same exact stuff. The dust drops right off at shutdown. Good Luck!

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Ron Wood

11-22-1999 15:16:06

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

I wasn't able to tell if you have checked the gauge, however if it's boiling over that is a pretty good sign the gauge is OK. Has the head and block ever been boiled out in an overhaul? Wondering if there is a rust accumulation inside those castings. There is a rust cleaner called IRON OUT that I use to clean my water system periodically. It says on the container that it is good for cleaning engine cooling systems where rust has piled up. May be worth a try. I haven't used it for engines myself.

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Frank Boerger

11-22-1999 12:19:15

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

Well, there is always the possibility that it's set too lean....that will make'em run hot. Back in the 50's our gas '48 A would run a little hot on a 226 picker if you didn't give it extra fuel. Give her a 1/4 to 1/2 turn out on the load screw to see if the extra fuel cools it down. Cheap fix if it works.

Frank-in-Tallahassee

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DEERED

11-22-1999 05:39:51

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

Got a 620 that did the same thing took of the grill and the radiator was plugged with dust and all kinds of crap, the whole area behind the grille was full, also the air intake was full of oily dust, washed it out with a garden hose and every thing was fine.

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Redneck

11-22-1999 06:36:14

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Re: Re: JD 60 overheating in reply to DEERED, 11-22-1999 05:39:51

That was the first thing I did. Didn't help this tractor much.

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Art

11-22-1999 03:10:39

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

As I interpret my parts manual, there are no thermostats on gas tractors until SN 6030927,except LP tractors. The early tractors have the thermostat in the bottom radiator tank to control the shutters. Do you have a snoot instead of the grill assembly, the mesh is finer than the grill screen, if not the fins may be plugged with chaff and dirt. Also, if it still has the shutters, are they opening all the way? Finally, if the heat control valve on the exhaust manifold is in the hot position, you would be dumping exhaust gas back across the intake air.

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Redneck

11-22-1999 06:34:51

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Re: Re: JD 60 overheating in reply to Art, 11-22-1999 03:10:39

This is an all fuel tractor. There are not shutters in front of the radiator (down south they all seem to have disappeared long ago). Haven't looked at the heat control on the manifold, these get rusted in place down here so there's seldom the option of changing it, but I'll check it this afternoon. Not sure what a snoot assembly is. The grill is the same as all the rest of our old JD's.

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Art

11-22-1999 08:36:24

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Re: Re: Re: JD 60 overheating in reply to Redneck, 11-22-1999 06:34:51

Snoot or Super Snoot was the taller mesh assembly that replaced the front grill when using a picker. It had a much larger screened area and finer mesh than the factory grill to keep chaff and dirt out of the radiator and to try to pull in air from above the trash and leaves.Refer page 73 and 74 of the 237 operators manual. (JD calls it a radiator screen assembly). Pages 60-3 and 60-7 of the 237 parts book. Probably hard to come by as most got mashed by throwing them around. Everything is such a pain in the ass to check with the picker on the tractor, no matter how easy JD said it was to mount and dismount. GOOD LUCK! Where are you located?

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Redneck

11-22-1999 08:44:57

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Re: Re: Re: Re: JD 60 overheating in reply to Art, 11-22-1999 08:36:24

Nope, ain't got the snoop but could probably use one. You ain't got a 237 manual you want to get rid of do ya? Just bought a 227 manual off ebay this weekend since I've got a 227 junk picker and they are fairly close. I'm in Alabama, just north of Montgomery. Tell me about being a pain to work on. Right now I've got the hood, tank and all that doings off the tractor. Most everything is out of the way except the picker.

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RonMC

11-21-1999 23:52:51

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

Hi - interesting problem - back to Gman's question - how many cores in the rad ? You can usually look in the filler and count rows. This is a thing that will make them boil faster than the wife's electric kettle. If cores at 4, you could try an additive called "water wetter" or some similar name. My brother added it to his MCI bus rad, and the gauge dropped by 25%. Just a suggestion, good luck ! Ron

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Redneck

11-22-1999 06:28:31

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Re: Re: JD 60 overheating in reply to RonMC, 11-21-1999 23:52:51

I'll check to make sure the radiator has for rows this afternoon. Thanks for the tip on the water wetter. Never heard of that before. will have to find some and try it.

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Gman

11-21-1999 22:23:29

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

Redneck in restoring these "G"s I've run into three core radiators,they want cut it on a G it takes the four core,do you reckon maybe the core has been changed to the smaller one in the past.Later gman

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Redneck

11-22-1999 06:37:55

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Re: Re: JD 60 overheating in reply to Gman, 11-21-1999 22:23:29

Anything is possible. I'll check this afternoon.

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leger

11-21-1999 20:14:16

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

Save yourself some grief and have the raditatior flushed-not an item that is do it yourself. Its real hard to tell whe they dont flow enough.

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Fudd

11-21-1999 20:03:16

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

Does the temp. gauge go all the way over? If I overfill my 50 it puks out water untill it decides it's at the right level then no more problems.

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Redneck

11-21-1999 20:10:23

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Re: Re: JD 60 overheating in reply to Fudd, 11-21-1999 20:03:16

Yep, she pegs and is acutally boiling the water.

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Art

11-21-1999 19:06:32

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

What gear you trying to run in? It takes a lot of power to pull the picker, pull the wagon, especially in high yields and/or in hills. Just because JD said they would mount on an A or 60 doesn' necessarily mean that it was the best match. Also high outside air temp makes it that much harder for the radiator to get rid of the heat. My 237 had, at one time, been mounted on a 60 with a power block, but then put on a 3020. Most were mounted on 4020's.

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Redneck

11-21-1999 19:43:31

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Re: Re: JD 60 overheating in reply to Art, 11-21-1999 19:06:32

Running in 2nd gear and slowing to 1st as the wagon fills. On cool days it takes a few minutes longer to overheat but not that much. The field is flat and the yeild is approx. 130 bu/ac. The tractor doesn't seem to be laboring excessively.

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STMTS

11-21-1999 19:02:17

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

Sounds to me like the theromstat is stuck partly open.Have you checked it ? They do have one right above the casting that bolts to the top of the head.Mike Horne Of OKLA aka STMTS

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Redneck

11-21-1999 19:39:38

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Re: Re: JD 60 overheating in reply to STMTS, 11-21-1999 19:02:17

That was my thinking. This tractor has the 2 piece casting for a thermostat. It doesn't have one installed. I was installing one today and the casting broke on me. The only thing that concerns me about installing a thermostat is there is no bypass on the water pump on this tractor.

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STMTS

11-21-1999 20:49:02

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Re: Re: Re: JD 60 overheating in reply to Redneck, 11-21-1999 19:39:38

The only thing that extra pipe on the two bangers that know of is to supply hot water to the LPgas converter, so it shouldn't make any difference.Back to the problem if you have no thermostat in the system the water goes through the radiator so fast it can't cool down any.STMTS Aka Mike H Okla.

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Dan

11-21-1999 18:27:15

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

Okay I have racked my brain until it went into an overload. If the Ign. is good and in time. And you do not have a slipping fan belt and the radiator is clean. Check the slip clutch on the fan blade. It maybe slipping inside the fan clutch. The fan spring should not be compressed more than 1 inch. You may not have the clutch and may have the rubber insert on the fan blade. Anyway check that area. The book also says to make sure you use a good grade of fuel, but now days what we get will not hardly last five days. Anyway I hope this helps you Dan

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Redneck

11-21-1999 19:45:12

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Re: Re: JD 60 overheating in reply to Dan, 11-21-1999 18:27:15

The fan seems to be turning o.k. but I will double check this area.

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chuck

11-21-1999 17:57:43

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

I really don't know what overheating is....have a 520 and when plowing and pouring it on it...hand will go all the way over...nothing is wrong with the tractor...if you pull under full load I believe all of them will do this....

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Redneck

11-21-1999 18:25:53

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Re: Re: JD 60 overheating in reply to chuck, 11-21-1999 17:57:43

This 60 boils water out the overflow on the radiator. I've never had one do this before. BTW I changed the radiator cap out also and had no effect.

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juan

11-21-1999 16:48:04

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

could be a bad head gasket or a cracked head.

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Redneck

11-21-1999 17:25:56

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Re: Re: JD 60 overheating in reply to juan, 11-21-1999 16:48:04

No oil in water or water in oil. Compression is good. Not losing any coolant and doesn't burn any oil. Also doesn't pressurize the coolant system or the crankcase.

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zane

11-21-1999 16:31:09

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Re: JD 60 overheating in reply to Redneck, 11-21-1999 15:55:03

Is the water pump belt slipping? Fan shroud OK? Make sure ignition timing is not too high (advanced). Ethlene glycol antifreeze solution is a better, more effective coolant that pure water. I understand that a 50% (vol) solution is best.

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Redneck

11-21-1999 17:22:18

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Re: Re: JD 60 overheating in reply to zane, 11-21-1999 16:31:09

Water pump belt isn't slipping. Fan shroud is there and in good shape. Ignition is fine. Overheats with antifreeze or pure water.

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