420C tracks.
420C tracks.
I am the owner of a 420c. It has been taken apart by someone else to fix a problem with the ring and pinion. They are missing parts of the teeth on both items. It was never put back together. It has been laying around for about 15 years like this. I aquired it and want to restore it for use in clearing the woods on my property. I have two questions.
1) is there a good place to aquire the ring and pinion for this at a reasonable price?
2) The tracks are my biggest problem. Since they sat so long in the weather they are like 16ft stiff boards. Only a few links bend. What is the best way to tackle these. My thoughts are to remove the shoes to make it lighter to work on. Then attempt to free the links with heat and a lot of musle.
I tried to remove the shoes and it took considerable time to remove three shoes along with a 6ft long pipe for leverage. Do you think a 1200ft-lb air gun would remove the bolts on the shoes?
Any recomendations would be most appreciated.
Thanks
Jim
1) is there a good place to aquire the ring and pinion for this at a reasonable price?
2) The tracks are my biggest problem. Since they sat so long in the weather they are like 16ft stiff boards. Only a few links bend. What is the best way to tackle these. My thoughts are to remove the shoes to make it lighter to work on. Then attempt to free the links with heat and a lot of musle.
I tried to remove the shoes and it took considerable time to remove three shoes along with a 6ft long pipe for leverage. Do you think a 1200ft-lb air gun would remove the bolts on the shoes?
Any recomendations would be most appreciated.
Thanks
Jim
Depending on serial number, I might have a ring and pinion.
If they are that stiff, going to be real hard to salvage the tracks. Heating is not the answer, the pins and bushings are heat treated, and you could ruin them by heating. Best bet would probably be to lay the tracks in a mud puddle and keep them submerged for a few weeks. Then take them out, install them, and run them right away. Snow works well if you are in a norther climate too.
Lavoy
If they are that stiff, going to be real hard to salvage the tracks. Heating is not the answer, the pins and bushings are heat treated, and you could ruin them by heating. Best bet would probably be to lay the tracks in a mud puddle and keep them submerged for a few weeks. Then take them out, install them, and run them right away. Snow works well if you are in a norther climate too.
Lavoy
You might try a penetrating oil like "Kroil" from www.kanolabs.com on those tracks. I used it to free up a stuck Minne Moline tractor engine. Bryce
No trees were hurt in the creation of this message.
But, many electrons were terribly bothered.
440IC/602, 2-440ICD/831 MM UBU-LP, 445N-LP, 445E-LP, BIG MO 400-M, 4 Star-LP M5-D, M5-LP, M602-LP, M670-LP, G900-LP, G900-D, G1000 Vista-LP Case 580CK
But, many electrons were terribly bothered.
440IC/602, 2-440ICD/831 MM UBU-LP, 445N-LP, 445E-LP, BIG MO 400-M, 4 Star-LP M5-D, M5-LP, M602-LP, M670-LP, G900-LP, G900-D, G1000 Vista-LP Case 580CK
I believe the serial number is 92235. This is from some paper work I got with the 420. It is not off the plate since there is none on the machine. I am not positive it is the correct serial number. On the pinion I see the numbers 48-2792 on the gear end. It is a 7 tooth pinion with a 22 tooth spline shaft.
The ring is a 32 tooth gear.
On the tracks, are you saying that soaking the tracks in water will loosen them up?
The ring is a 32 tooth gear.
On the tracks, are you saying that soaking the tracks in water will loosen them up?
That serial numer is consistent with an early 420, so could be correct. If it is, I have a ring and pinion on the shelf.
Yes, the water will loosen the rust. Rust comes from water/moisture, so nothing loosens it better than water. IF you get them loose, you will need to run them until the are completely loose, or the same thing will happen again.
Lavoy
Yes, the water will loosen the rust. Rust comes from water/moisture, so nothing loosens it better than water. IF you get them loose, you will need to run them until the are completely loose, or the same thing will happen again.
Lavoy
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