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D8 Push Rod Tubes

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17 years 4 months ago #6119 by TomP-TX
D8 Push Rod Tubes was created by TomP-TX
I've been working on my D8 13A, hope to get it all done and painted for a Labor Day show. Welded up the draw bar pin location, it was so worn that the bottom hole almosted busted through and somebody had welded a strap of steel to reinforce it. Installed the missing hand crank for the pony and just installed my new gauges.
I need to adjust the valves and thought I would also reseal the push rod tubes. I haven't found much in my manual about how to disassemble. Can you remove the tubes after you remove the push rods and the clamp at the base? It looks like the parts book calls for a packing type seal at the bottom and I'm not sure what it takes at the top, there is a sleeve and a direcetor not sure which one I would need? Any help appreciated. Tom

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17 years 4 months ago #6122 by edb
Replied by edb on topic 5 3/4'' bore push rod tubes
Hi TomP-TX,
the attach. should get you there.
Cheers,
Eddie B.

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17 years 4 months ago #6129 by SJ
Replied by SJ on topic Tubes
The top uses a cork seal & is shaped to fit in the cup type area & has a taper on one side & flat on the other.

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17 years 4 months ago #6130 by Old Magnet
Replied by Old Magnet on topic D8 Push Rod Tubes
Looking gooood.......did you have those draw bar pins made??

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17 years 4 months ago #6142 by TomP-TX
Replied by TomP-TX on topic D8 Push Rod Tubes
I bought the pin through Cat, they offered a replacement through classic parts and it was $44. I'm not much of a welder, I can stick weld some but I had the guys at work show me how to run the wire feed and I just kept welding it up in my spare time about a 1 1/2" of weld.
Adjusted the main clutch and brake clutch, it is all working good now. A few more repairs and I'll be ready for paint and new Hahn cushions.

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17 years 4 months ago #6388 by TomP-TX
I have my parts to reseal the push rod tubes. It looks like it takes the same cork packing at the top as it does the bottom, the quantity required was 24.

Do I need to install the cork packing dry? or do I need to soak them in oil? or should I put sealant on them?

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17 years 4 months ago #6391 by D.D. KELLEY
Replied by D.D. KELLEY on topic D8 Push Rod Tubes
Sorry I Cant Answer Your Question But I Was Wondering Which Show You Were Going To On Labor Day I Wouldnt Mind Seeing Your Tractor Close Up.

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17 years 4 months ago #6392 by Old Magnet
Replied by Old Magnet on topic D8 Push Rod Tubes
Hi TomP,
Looked through all my stuff and can't find anything about seal preparation.
I'd be inclined to soak them in oil before installation as is usually recommended with all cork seals. Sure can't see how it would hurt anything.

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17 years 4 months ago #6396 by TomP-TX
Replied by TomP-TX on topic D8 Push Rod Tubes
Thanks OM, I have a friend that Rebuilt a D13000 quite a few years ago and he said that he thinks he soaked them in oil.

D.D. The show will be the 22nd annual show at Lindsay, which is 3 miles west of gainesville on Hwy. 82 and then a little north on FM1199. Mostly farm equipment at the show, I took my Ten a couple a years ago and it was the only Cat. I hope to have my little Ten and the D8 next to each other.

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17 years 4 months ago #6404 by ttman4
Replied by ttman4 on topic D8 Push Rod Tubes

at Lindsay, which is 3 miles west of gainesville on Hwy. 82

Lindsay. Hummm. Small world! & big cities!
I grew up about 30-35 miles from there....at intersection of Hwy 103 & Salmon Rd in Hines City, which was a suburb of Spanish Fort, which was a suburb of Prairie Valley, which was a suburb of Nocona.....:D

~and this too shall pass~
D6 9U6914SP, #46Hyd 1W523, 6A dozer #16C5869
R945B Liebherr Ex. (part owner)

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