The MPC shows p/n 8146 as fitting the 9N, 2N & 8N radiators.
And that's about the only good news I've got.
You're not going to get that shroud on the radiator w/o removing the radiator.
And, unless you are mowing in first gear, the shroud won't help you. It was designed to direct the air through the radiator when the tractor is stationary or moving very slowly.
So, at an operating temp of 230* when it should be not much above 200* (if that) you've got other problems.
Check for low coolant, a loose fan belt, debris in the radiator fins or a stuck thermostat. A bad water pump will usually squeak or leak. (If you ever have a water pump start leaking or making noise, replace it immediately. A N water pump will come apart & launch the fan into the radiator.) And, unless you have a new/rebuilt water pump from a reputable source, it could have impeller erosion. The pump will turn, it won?t leak, but it isn?t circulating water.
In order to have a stuck thermostat, you need to have one installed. Squeeze the top hose; if it has a t-stat, you can feel it. Sometimes (rarely) the t-stat can migrate in the hose & get stuck closed. Or, in an attempt to keep that from happening, some owners will put a third clamp on the hose & tighten it too much resulting in a stuck t-stat. The OEM top hose came w/ a non-adjustable ban to keep the t-stat in place.
The fan belt should have 1/2" of flex at the mid-point; no more, no less.
Unless you have a pusher fan, blowing out the radiator from the engine side is always a good idea.
But, sometimes you just have to bite the bullet & flush out the block & radiator. To do that, remove the t-stat from the top hose. Then, remove the bottom hose from the radiator, stuff a rag in the bottom radiator hose connection, & stick your garden hose in the top of the radiator. Turn the water on (reverse flush) & the water will flow into the radiator, then the block & out of the disconnected lower hose. Let it run until the water is clear. Then, check the radiator flow. Stick the hose in the top of the radiator; the water should flow out of the bottom w/o backing up in the filler neck. It should flow at 19.5 gallons a minute. As a final flush, put a gallon of white vinegar (or radiator flush) & about 2 gallons of water in the radiator, run it to operating temp & then drain it again. Don?t forget to put the t-stat back in correctly!
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