Pressure Testing a BX2200

[EE_Bota]

The attached PDF is of a simple cad drawing I slapped together to tell how to test the actual gauge. Look at the bottom of the PDF.

 

[mattman]

Have you had the overflow jug fill up with coolant?? If the coolant has tried to overflow the jug then the water temp has gotten real high. How about removing the sending unit and installing a mechanical temp guage to see what the temp is of the water in the block. Should be able to pick up a mechanical guage for 30 dollars at any auto parts store.

 

[EE_Bota]

In my bx1850 manual it states:

16.1 @ 248 ｰF

27.4 @ 212 ｰF

51.9 @ 176 ｰF

153.0 @ 122 ｰF

153.9 @122 F (same thing) and now you have the BX2200.

Have you had the overflow jug fill up with coolant?? If the coolant has tried to overflow the jug then the water temp has gotten real high. How about removing the sending unit and installing a mechanical temp guage to see what the temp is of the water in the block. Should be able to pick up a mechanical guage for 30 dollars at any auto parts store.

It should be noted also that the jug can fill up over time due to a hole in the rubber connecting tube that connects the overflow tank to the radiator. When the water expands, it goes in the tank, but when it cools and draws a vacuum, a pinhole in the hose can allow air to return to the radiator instead of coolant. Also, a leaky outer radiator cap seal can cause a similar phenomenon.

One other suggestion...since you changed the sender unit, and have the same problem...checking your old sender unit and gauge is as good as checking your new one. Sounds silly I know, but I troubleshoot quite alot of things in our maintenance department...never check your logic at the door.

 

[kevinj]

...never check your logic at the door.

After 35 years in the repair biz I have learned that one!

 

[tomnky]

The overflow does rise in the level as it should but then drops as well , It does not get to the point of being way too much.

Give me time to make all these checks.I already knew about the gauge check and actually did it when I replaced the gauge.

After talking to a fella about water pumps. I was told ( how true this is I have no idea) that he had seen a high failure rate in automobile water pumps of the impeller itself due to the fact of the blades on the impeller being manufactured from aluminum and straightening out of said blades, thus reducing coolant flow. Now how accurate this is I have no idea, I have never been into mettalurgy at all.

I really do appreciate all this Tractorbynet is certainly a plethora of information.

Thanks!

 

[EE_Bota]

I needed to get my BX2200 out today, so I did a temperature test to record water temperature at various times and gauge indications. I used a Taylor refrigeration thermometer, which reads 0-220F and a Centech IR temperature gun to scan the thermostat housing. The housing will conduct heat well, but the fan is blowing directly on it, so it's a mixed bag...

The results are in the attached PDF.

 

[leonz]

I needed to get my BX2200 out today, so I did a temperature test to record water temperature at various times and gauge indications. I used a Taylor refrigeration thermometer, which reads 0-220F and a Centech IR temperature gun to scan the thermostat housing. The housing will conduct heat well, but the fan is blowing directly on it, so it's a mixed bag...

The results are in the attached PDF.

I seriously do not think that either of you have a cooling problem based on what you both have mentioned here on the forum.

If the radiators are cross flow radiators-which I supect they are; you know you have a problem if you see steam coming out the front of the radiator-been there done that with my isuzu truck small radiator like both of yours but much older.

I am sure that both of your beasts of burden are in good shape.

 

[EE_Bota]

I seriously do not think that either of you have a cooling problem based on what you both have mentioned here on the forum.

Thanks leonz.
I did not suspect a problem. I did the test to offer a quick reality check for folks who suspect something is wrong with their gauge system or cooling system on a BX2200, and would like a reference to performance.

I wanted to use the tractor, and it had to warm up first anyway, so I saw an opportunity to offer feedback that might help others. Obviously, my lonely little BX is not the master reference for all cooling performance in a BX2200.