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case 1450B

alrman

Senior Member
Joined
Jun 20, 2009
Messages
3,303
Location
QLD Australia
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Diesel Fitter;Small Business Owner;Cleaner
I would like to visit Hawaii, & know a bit about 1450's, can I join the party? ;)
How's the diagnostics going? Do you still need help on this?
A flow meter is all you need to test the transmission charge pump, any repairer worth their salt should have one of these.
A "dealership" without one of these tools should be considered - hopeless.....

Is a sample of your transmission oil a bit silvery looking with some sunlight on it??
 

markmc60

Well-Known Member
Joined
Aug 8, 2011
Messages
47
Location
Texas
i'd like to know more about this problem as well, what was the fix?, and I am looking for a case hyd tester or, someone with the knowledge of it to explain what exactly the tester does in test 4 for and 850 trans pressure reg test. I have the book, gauges, flow meter, just loses me in that test. my 850 is not pulling in right track in hi, but it will in low, we currently have the dozer elevated and both tracks off the ground, right stops after a few seconds running in low, and barely moves a little in high, makes no difference forward/reverse. left tracks just spins its butt off. I also hear and noise in the trans when the right is engaged, I dropped the right track off the sprocket and the noise is still in the trans area.. I suspect an issue in the right hi/low shaft. I know we are going to pull the trans, new clutch discs and steels on the both hi/lo shafts and the forward reverse since we have access(old dozer). I also would like some one to help with low pressure in the trans, has anew trans pump but pressure is around 225(dash gauge). I know it is supposed to be 275(-+15) 260-275, my book dosent show how to adjust the regulator......just shim it up?
 

Coy Lancaster

Senior Member
Joined
Dec 19, 2014
Messages
1,976
Location
Arkansas
Occupation
service tech
i'd like to know more about this problem as well, what was the fix?, and I am looking for a case hyd tester or, someone with the knowledge of it to explain what exactly the tester does in test 4 for and 850 trans pressure reg test. I have the book, gauges, flow meter, just loses me in that test. my 850 is not pulling in right track in hi, but it will in low, we currently have the dozer elevated and both tracks off the ground, right stops after a few seconds running in low, and barely moves a little in high, makes no difference forward/reverse. left tracks just spins its butt off. I also hear and noise in the trans when the right is engaged, I dropped the right track off the sprocket and the noise is still in the trans area.. I suspect an issue in the right hi/low shaft. I know we are going to pull the trans, new clutch discs and steels on the both hi/lo shafts and the forward reverse since we have access(old dozer). I also would like some one to help with low pressure in the trans, has anew trans pump but pressure is around 225(dash gauge). I know it is supposed to be 275(-+15) 260-275, my book dosent show how to adjust the regulator......just shim it up?
Hey Markmc60; which 850 do you have? It kind of sounds like the shaft seals may be bad for the right track. They are located under the front shaft cover on the front of the trans housing under the floor plate. Post some pics if possible and a serial number would be helpful.
 

markmc60

Well-Known Member
Joined
Aug 8, 2011
Messages
47
Location
Texas
Hey Markmc60; which 850 do you have? It kind of sounds like the shaft seals may be bad for the right track. They are located under the front shaft cover on the front of the trans housing under the floor plate. Post some pics if possible and a serial number would be helpful.
we checked them, as a matter of fact, one had the hook piece broken, we replaced it, but that did not fix the issue.
 

Coy Lancaster

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Dec 19, 2014
Messages
1,976
Location
Arkansas
Occupation
service tech
we checked them, as a matter of fact, one had the hook piece broken, we replaced it, but that did not fix the issue.
If you can do pressure test at control valve that may tell you what you don't want to know.
 

markmc60

Well-Known Member
Joined
Aug 8, 2011
Messages
47
Location
Texas
If you can do pressure test at control valve that may tell you what you don't want to know.
we swapped the hoses at the control valve, the issues stayed on the right track, so its in the right side, my guess, burned up HI/LO clutch packs. our trans pressure (using the dash gauge) is only 220psi, according to the book it should be 275 +/- 15, so 260-290. we plan to pull the trans and bring it to my shop, beat with a baseball bat and see if that helps. kidding, we will open it up and look it over, there is a leak some where. has a new trans pump. Does anyone have a ballpark weight on the trans and the finals, might just bring it all back and take the opportunity to look over the finals as well.
 

melben

Senior Member
Joined
Jan 14, 2008
Messages
1,026
Location
Williamsport, Pa
Occupation
Retired 50 Yrs with Case dealership
If you have a good working dash gage you can zero in on the problem, with warm oil all clutch pressures when checked individually should be the same regardless if your reading is not up to spec, if one lever position checks lower than the rest a leak is indicated in that clutch circuit. I however agree with ALR, a flowmeter is indispensible for this type of diagnosis and a pump test is in order. I am retired almost 9 years and have my own flowmeter, there has got to be one hanging around out there somewhere
 

markmc60

Well-Known Member
Joined
Aug 8, 2011
Messages
47
Location
Texas
If you have a good working dash gage you can zero in on the problem, with warm oil all clutch pressures when checked individually should be the same regardless if your reading is not up to spec, if one lever position checks lower than the rest a leak is indicated in that clutch circuit. I however agree with ALR, a flowmeter is indispensible for this type of diagnosis and a pump test is in order. I am retired almost 9 years and have my own flowmeter, there has got to be one hanging around out there somewhere

there is no difference on the dash gauge when we go foward reverse in hi or lo, we blocked the dozer up and just let the tracks spin.......... in HI it will creep the right track a little bit1/8 rotation them just stop, in low it steady creeps but not smooth the left side, hauls ass in either position.
well I sure would like to see inside the flow meter just to see what they are doing, how it works, Hell, I'll make my own. when I start looking for a "flowmeter" folks eyes glaze over and i get the deer in the headlights look..
wanna sell yours?...........think I could get a few pics of the inside the meter box to see the plumbing and what the valves are doing/controlling. you know what they say, a picture is worth a thousand words.
 

markmc60

Well-Known Member
Joined
Aug 8, 2011
Messages
47
Location
Texas
there is no difference on the dash gauge when we go foward reverse in hi or lo, we blocked the dozer up and just let the tracks spin.......... in HI it will creep the right track a little bit1/8 rotation them just stop, in low it steady creeps but not smooth the left side, hauls ass in either position.
well I sure would like to see inside the flow meter just to see what they are doing, how it works, Hell, I'll make my own. when I start looking for a "flowmeter" folks eyes glaze over and i get the deer in the headlights look..
wanna sell yours?...........think I could get a few pics of the inside the meter box to see the plumbing and what the valves are doing/controlling. you know what they say, a picture is worth a thousand words.

this is my link for the 850 no sense in waking the dead...............
case 850 right track wont run in hi, looking for Case hyd tester
ill cut and paste try to move these over there
 

Coy Lancaster

Senior Member
Joined
Dec 19, 2014
Messages
1,976
Location
Arkansas
Occupation
service tech
this is my link for the 850 no sense in waking the dead...............
case 850 right track wont run in hi, looking for Case hyd tester
ill cut and paste try to move these over there
It's kind of odd that both hi/lo clutches are acting the same on one track. Of course stranger things have happened, possible broken clutch shaft or pinion shaft.
 

markmc60

Well-Known Member
Joined
Aug 8, 2011
Messages
47
Location
Texas
case 850 right track wont run in hi, looking for Case hyd tester
It's kind of odd that both hi/lo clutches are acting the same on one track. Of course stranger things have happened, possible broken clutch shaft or pinion shaft.
use case 850 right track wont run in hi, looking for Case hyd tester
 

markmc60

Well-Known Member
Joined
Aug 8, 2011
Messages
47
Location
Texas
If you have a good working dash gage you can zero in on the problem, with warm oil all clutch pressures when checked individually should be the same regardless if your reading is not up to spec, if one lever position checks lower than the rest a leak is indicated in that clutch circuit. I however agree with ALR, a flowmeter is indispensible for this type of diagnosis and a pump test is in order. I am retired almost 9 years and have my own flowmeter, there has got to be one hanging around out there somewhere
 

markmc60

Well-Known Member
Joined
Aug 8, 2011
Messages
47
Location
Texas
I would love to get a flow meter for this. Can’t find one. Maybe pics and more info of yours I could build one. or lease, rent one. Any ideas?
 
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