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2-105 overheating

F

fatherbill

New User
My 2-105 has been running near the red line on the heat guage. Pretty sure guage is accurate. I am pulling a 1411 nh discbine. (10 foot cut). I
have recently had raditor boiled out, new thermostats, hoses, and belts put on. I have read on here in the past about possibly hydraulic pump
can cause overheating. How can you tell if this is happening? No love lights are coming on. Any suggestions? Thanks
 
Loose belt on the waterpump maybe?
Pump shaft spinning in the Impeller?, uncommon but it happens
Faulty T- stat new outa the box or installed upside down?

I can't see the hydr causing it unless it drives the bine.
point a infra red laser gun on the hydr and see what temp it reads
 
Did somebody put the radiator fan on backwards ? They will work either direction, but if they're backwards they don't move near as much air.
 
If the pump is stuck on and going through the relief valve it will overheat the hydraulic oil, you should notice that though because your discbine would feel pretty sluggish missing the 20 hp or so dumped into the oil.

Injection timing can overheat the engine but that is unlikely, more likely a normal rad / fan / pump / thermostat problem.
 
How many blades on your fan? My 1975 2-105 came with a 4 blade , and a recall came through changed it to 6 I think, I also remove the sides to let the hot air out quicker, cab lots cooler too.
 
Dad removed his sides too on his 2-105. I think his is turned up just a little bit, not much, but when he used to custom bale, it would get hot a lot, so he took them off and put screen over the sides. Helped a lot and he's been running that way ever since.
 
My tractor has a five bladed fan. Seems to be very tight when I try to wiggle the blades. I took out the two thermostats and tested them, they opened up right at 180*. Thinking about replacing them with cooler ones. Fluid was clean, raditor fins are clean. Anything else?
 
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