Search found 1349 matches

by Jim B
Sat Feb 27, 2021 4:44 pm
Forum: Late model JD crawler technical support
Topic: JD350C winch shaft wear?
Replies: 4
Views: 430

Re: JD350C winch shaft wear?

What is the condition of the splines in the coupling that mates with it? How do the splines on the winch end and winch shaft look? Ideally, replacement I would say if the winch is critical to your operation. Occasional use, it could go a long time before it fails (splines strip). Lavoy is always the...
by Jim B
Sat Feb 27, 2021 4:36 pm
Forum: Late model JD crawler technical support
Topic: JD350C clutch seals?
Replies: 3
Views: 519

Re: JD350C clutch seals?

It looks to me like you have two seal rings showing in your picture, plus the one seal. The two seal rings you are looking at in that drawing are item key 13 (part # R39322) in both serial number range steering clutch drawings. They are similar to piston rings and are in the grooves of the housing i...
by Jim B
Fri Feb 26, 2021 2:36 pm
Forum: Late model JD crawler technical support
Topic: 1973 450B pto
Replies: 10
Views: 567

Re: 1973 450B pto

I agree with B Town. Item Key # 12 in this drawing.
https://partscatalog.deere.com/jdrc/sid ... gId/171637
by Jim B
Thu Feb 25, 2021 5:39 am
Forum: Early model JD crawler technical support
Topic: John Deere 420c steering clutch adjustment
Replies: 59
Views: 4355

Re: John Deere 420c steering clutch adjustment

Assuming free play is correct as Ray III noted. Have you asked the vendor you got the clutch set up from, if they have any ideas? Sometimes you find out they have had such happen before. It’s a great feeling when they say that happens, bring it back and we’ll give you another – not. That “looks like...
by Jim B
Mon Feb 22, 2021 4:41 pm
Forum: Early model JD crawler technical support
Topic: John Deere 420c steering clutch adjustment
Replies: 59
Views: 4355

Re: John Deere 420c steering clutch adjustment

Just throwing some things out for thoughts of where issues might be. What is the condition of the flywheel friction surface, glazed/burnt? Did you by chance measure the depth of it? I wonder if the clutch disc material is right and the right thickness. Possible incorrect springs in the pressure plat...
by Jim B
Fri Feb 19, 2021 7:46 am
Forum: Lavoy's Little Shop O' Deeres
Topic: Hardened Valve Seats
Replies: 2
Views: 877

Re: Hardened Valve Seats

Lavoy will be along with his answer, but here is my 2 cents on who supplies valve seats for a machine shop doing a head, I leave it to them to get and install the seats. To me that is the way to do it. Then they are responsible for the machine work, the seats, and the installation. If a machine shop...
by Jim B
Thu Feb 18, 2021 7:30 pm
Forum: Late model JD crawler technical support
Topic: 350C steering brake band
Replies: 11
Views: 1551

Re: 350C steering brake band

You didn't waste anyone's time. Glad you found the issue and it was a easy fix. On another side of this, If someone else has a similar problem you can say "check this", and maybe help them solve their problem. I have a number of those learned experiences as well.
by Jim B
Mon Feb 15, 2021 7:08 pm
Forum: Early model JD crawler technical support
Topic: John Deere 420c steering clutch adjustment
Replies: 59
Views: 4355

Re: John Deere 420c steering clutch adjustment

Ok. New, used, adjusted or not has gotten mixed between the engine and steering clutches here. Engine clutch is new with new pilot and throwout bearings as I understand you now. Finger height could be off if it was not adjusted to the set gauge. The new pressure plate should have just one coil sprin...
by Jim B
Mon Feb 15, 2021 6:10 pm
Forum: Late model JD crawler technical support
Topic: 350C steering brake band
Replies: 11
Views: 1551

Re: 350C steering brake band

Using the Technical manual TM1115 for the 350C, have you checked, and made where needed, every steering and brake measurement/adjustment, on both sides, in the order laid out in the manual? If not, I would say start by doing that, not just going by the looks and feel of things. I believe the wet bra...
by Jim B
Mon Feb 15, 2021 5:22 pm
Forum: Off-topic discussions
Topic: Just a little taste
Replies: 10
Views: 1492

Re: Just a little taste

I feel lucky (saying that should change things). We've only had a few mornings below 0F so far this year and the days have gotten up into the low teens at least. Wind chills have been a bit rough at times. Right now its +28 and spitting snow at times. Snow, sleet, possible rain and Icing expected th...
by Jim B
Mon Feb 15, 2021 4:58 pm
Forum: Early model JD crawler technical support
Topic: John Deere 420c steering clutch adjustment
Replies: 59
Views: 4355

Re: John Deere 420c steering clutch adjustment

Besides what Lavoy posted, I'd say if run with no free play, I would expect the clutch disc is worn, or burnt/glazed, as well the pressure plate. I would expect to be replacing clutch disc, pressure plate, throwout and pilot bearings, and adjusting with the JD7 gauge. When doing the clutch, look for...
by Jim B
Fri Feb 12, 2021 7:38 am
Forum: Late model JD crawler technical support
Topic: jd crawler HLR adjustment
Replies: 3
Views: 1028

Re: jd crawler HLR adjustment

I don't have that one to look through. Strange, but not uncommon there is no info, or it may be buried in a section on something other than transmission overhaul. It appears the early 450Bs had that same shifter set up. There is some info about adjusting both shifters in the 450B manual TM1033. Ther...
by Jim B
Thu Feb 11, 2021 6:17 pm
Forum: Early model JD crawler technical support
Topic: 440 icd
Replies: 6
Views: 1113

Re: 440 icd

Just some thoughts, in case no one comes along with a 440ICD schematic for you. Do you have the parts book for your 440ICD? It shows the fuses, breakers, gauges, and switches/sending units you should have. (Here is a link to the one on line if you don't https://partscatalog.deere.com/jdrc/navigation...
by Jim B
Thu Feb 11, 2021 10:35 am
Forum: Late model JD crawler technical support
Topic: jd crawler HLR adjustment
Replies: 3
Views: 1028

Re: jd crawler HLR adjustment

Having to wiggle it to find neutral sounds like wear/play in the linkage. Check all pins and joints. The turnbuckle would be the adjustment point, if it is the only adjustable place in the linkage. What book do you have?
Jim
by Jim B
Thu Feb 11, 2021 9:32 am
Forum: Late model JD crawler technical support
Topic: What year 450 do I have?
Replies: 1
Views: 813

Re: What year 450 do I have?

Welcome The E7450 number is just for the loader attachment. The loaders had separate model and serial numbers from the crawlers, during those years. The engine number is good to have but won't work either to get the year either. On a straight 450 the crawler serial number tag you need the numbers fr...