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Found a one owner 1950 D2 5U with 3940 original hours

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2 months 4 days ago #229767 by juiceman
That is really nice to have found the goodies in the toolbox. Usually I only end up with a bucket of broken bolts, cotter pins and scrap basically. My own collection of CAT tools have slowly grown by means of purchasing tractors and scavenging thru each one for buried treasure. I did find a mostly consumed bottle of whiskey once, I returned that to the prior owner's family, as their father loved to pop the cork while greasing his tractor at the end of each day!
I am hoping you tell all of us that the drawbar holes are not egg shaped. I see that CAT pin, wishing the last person only used it, instead of anything that fit in the hole.
You surely have a tractor to be proud of. JM
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2 months 3 days ago #229785 by Markds3

That is really nice to have found the goodies in the toolbox. Usually I only end up with a bucket of broken bolts, cotter pins and scrap basically. My own collection of CAT tools have slowly grown by means of purchasing tractors and scavenging thru each one for buried treasure. I did find a mostly consumed bottle of whiskey once, I returned that to the prior owner's family, as their father loved to pop the cork while greasing his tractor at the end of each day!
I am hoping you tell all of us that the drawbar holes are not egg shaped. I see that CAT pin, wishing the last person only used it, instead of anything that fit in the hole.
You surely have a tractor to be proud of. JM

Thanks Juiceman, and I appreciate everyone's kind feedback. I took a picture of the drawbar and although I'm certainly not an expert and I know its not pristine it certainly isn't as bad a some I've seen!
 
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1 month 4 weeks ago #229887 by Markds3
I cleaned up the Alemite Volume Pump yesterday and was pleased to see it was in remarkably good condition under 70 years of caked-on grease and dirt. An added bonus is that it appeared to work perfectly once I had topped it up with 00 Grease.
 
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1 month 2 weeks ago #230156 by Markds3
I started giving this old girl the thorough service she most certainly needed and deserved today. I started by pulling both of the pony heads and cleaning the scale and rust out of the water jackets. I'd noticed that the oil pressure gauge has been stuck on maximum pressure as pictured and I decided to take it off to see if I could repair it, but I can't see any way of dismantling it, nor am I sure if it can be repaired. Can anyone offer any advice?
   
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1 month 2 weeks ago #230175 by edb
Hi Mark,
from memory the black glass retaining ring pries off by delicately and evenly working around the ring edges with the likes of a narrow wood chisel.
For the needle I normally use two small screw drivers--one each side--to gently pry the needle off its spindle--there are puller tools for this if you so desire.

calibrationawareness.com/5-techniques-pr...ge-adjustment-repair

For conventional gauges this has a bit of less technical stuff.

hendersonkj.com/misc/oil-pressure-gauge-repair/index.html

These found by Googling "oil pressure gauge repairs" for a few minutes.

Cheers,
Eddie B.
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1 month 2 weeks ago #230233 by Markds3

Hi Mark,
from memory the black glass retaining ring pries off by delicately and evenly working around the ring edges with the likes of a narrow wood chisel.
For the needle I normally use two small screw drivers--one each side--to gently pry the needle off its spindle--there are puller tools for this if you so desire.

calibrationawareness.com/5-techniques-pr...ge-adjustment-repair

For conventional gauges this has a bit of less technical stuff.

hendersonkj.com/misc/oil-pressure-gauge-repair/index.html

These found by Googling "oil pressure gauge repairs" for a few minutes.

Cheers,
Eddie B.

Thanks so much for your help Eddie, you were exactly right, the ring holding the glass prises off and I was then able to hook the black gauge face out and clean everything out. All it needed was some lubrication on the tiny pivots and a good clean and it's back working perfectly. I tested it with my Mityvac and the needle maxes out at around 15psi. Just need to fit it back on the Tractor.
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3 weeks 1 day ago - 4 days 19 hours ago #230946 by Markds3
Well, I must say I was completely taken by surprise and am humbled to see this thread featured in the latest ACMOC magazine, issue 155! I appreciate everyone's help on this project and I'm pleased to say it's progressing well. I've been methodically working through servicing it according to the operator's manual, and have found that the said service is obviously well overdue  The air cleaner oil bath bowl had at least an inch of hard-packed fine dust in the bottom and both the pony and main engine oils were very black. I've flushed everything with clean oil, and replaced with the correct grades, and have changed the main engine filter. I've also flushed and changed the pinion oil and changed the injection pump oil. The fuel filters were a dark brown colour and since changing them the fuel pressure guage is pegged on maximum, rather than fluttering about halfway.

I found a huge amount of black, oil-soaked dust and dirt packed around the tappet cover, and once it was washed away it was obvious there was a bad leak from the tappet cover gasket. Sure enough, once I had disconnected the decompression lever, removed the tappet cover and tappets, there was a substantial split in the gasket right behind the #1 cylinder injector. Here's the new gasket in place, before reassembly. I still need to get the engine nice and warm and re-set the valve clearances. Unfortunately, I won't have a chance to work on the tractor for a while, as I don't have access to the farm while we are in lockdown!
 
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Last edit: 4 days 19 hours ago by Markds3.
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4 days 19 hours ago #231311 by Markds3
So since our area of NZ dropped some Covid restrictions early last week and I gained access back on the farm where the little D2 was stored I've continued working through the maintenance list, and early on Saturday I drained both the clutch compartment (which had a reasonable amount of oil and sludge in it) and steering clutch compartments and also adjusted the steering clutches (and I'm pleased to note, that by looking at adjustment bolts, that there is still lots of life left in them). Later in the day, in view of getting it nice and warm for adjusting the valve clearances, I decided to hook it up to a couple of good size (and well imbedded) logs in my firewood pile to see what she can do. I was absolutely amazed! Can it pull! In first gear it just sits down and hauls, and when it loses traction it digs some BIG holes.
 
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4 days 19 hours ago #231312 by Markds3
After I adjusted the valve clearances and replaced the cork tappet cover gasket, I bolted the bonnet back on and hosed most of the mud off, already she's looking much better for a good clean:
       
 
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4 days 19 hours ago #231313 by Mike Meyer
Thanks for the update and photo's, that is perfect work for that D2.
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