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if you tractor has a tach. make sure that when running wide open throttle you do not exceed you tractors engine max rpm. I guess that it is no big deal if you NEVER run it at max power.
I think that might be the governor ,no fool with must be set by diesel injector shop tech's.
I have know people who have had to use a cutting torch, Argi Supply Co. sent me a email ad. and they had stump jumpers for a couple other machines just less than 100 bucks ea. so fix what you can,good luck
it will not take to much more time but I like doing a three step torque like 40 75 112 but that is just me.
I have a three quarter torque wrench that is about 4 ft long goes to 600 ft. lbs those make things move or break. I has been a back saver.
I would try heat and big hammers once you get them off . the stump jumper does not have to be perfect ,it just has to lift the mower over , well stumps . This will take some effort I have not worked one a mower that large but I can imagine those plates are thick ,but if it is bush hog they are pretty good about parts on older machines if you have to buy stuff.
the compression release depending on how far north or south you live from the equator how useful it is I live in Tn. only 4 miles from Ga. the compression release does not do much for me except being able to top off the oil filter after a oil change without the engine compression load on the starter , there are tractors with shuttle shifts that this is left off.
sorry I did not address the pulling the rad. if you have a socket that will fit the crank pulley bolt with out hitting the rad. then no. most people like to change all fluids around 50 hr. so if you are close pulling the radiator and rinsing it out is not a bad idea these engines have some casting sand in them when new so washing it out will save the water pump .I think I changed coolant at 100 hours also and have not had any water pump issues 500 hrs. later
first make sure that your fuel cut off(engine stop) is fully engaged pull the valve cover. On a warm engine retorque the head. Then turn engine over with the trans. in neutral and look at the valves when both valve rockers will rattle on one cylinder check the lash adjust as necessary go to next cylinder. Hopefully you will not have a cylinder that the valves are so tight that they will not rattle. But if you do you have found a problem. remember better a little loose than to tight.
