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Yesterday's Tractor Forums
  1. WilBury

    Setting the levers on a Case 310(?) 11" Clutch

    Attached is a pic of the carrier G11906 from my machine (Case 310E) in front and the G30055 in back. The G30055 puts the bearing about .205" closer to the clutch levers. Also a pic of the throwout yoke. I'm not certain yet which one is correct but I've never changed mine, only reworked it...
  2. WilBury

    Which camshaft for early 188D?

    I'm aware that later heads get oil at the rear rocker bolt metered from the rear cam journal. My head and block oil the rockers thru the center bolt. For some reason I thought I can use pretty much any camshaft that fits the 188 or 207 diesels in it, tach or no. Am I mistaken? Numbers I've...
  3. WilBury

    What did I break now?

    Working a Case 310E crawler loader hard with fully overhauled Case 188D engine (140 hrs) Aggressively pushing and bucketing wet heavy snow/slush/ice when the engine gradually developed a noise. Quiet at idle but louder with RPMs. Then it got worse! Hard to describe but a bad valve train came to...
  4. WilBury

    Roll yer Rollers?

    When I started to refurbish my Case 310E almost 30 years ago I bought 4 new Intertrac bottom rollers for it (takes 8). Never rebuilt the undercarriage 'til about 5 years ago. Checked out my nice heavy Intertracs and they wouldn't roll! Put 'em in a vise, tried to turn, and the rubber holding the...
  5. WilBury

    Fine Tuning a Case 188D diesel

    Had a 188D professionally rebuilt but ended up reusing the timing gears so still have well over .030" slop in the gear train. Fuel pump is set dead on 8 degrees BTDC & the valve lash is at .014" intake & exhaust. So, the cam & valves will be a little slow in comparison to the...
  6. WilBury

    Valve lash after retorque

    Retorqued the head on my rebuilt Case 188D after 4 hrs, most of it at high revs & a good hour or more of work. I was a little surprised to find that the valve lash had tightened up a good 3-5 thou on most valves & a couple stayed about the same or maybe a thou or two looser. Is this...
  7. WilBury

    ZDDP

    Going to doing a first run on my rebuilt Case 188D pretty soon. I already filled the crankcase with oil & added a pint of Lucas ZDDP treatment for run-in. Recommended for flat tappets. Did I make a mistake? Should I be doing the initial run-in & retorque...
  8. WilBury

    Bleeding a Roosamaster

    Installing refurbished Roosamaster DB fuel pump & the inlet is very close to the same level as the top of my fuel tank. It bled fine thru the filters but not enough to get into the pump. I have a breather fitting on the tank. Can I put some air pressure to it to prime the system all the way...
  9. WilBury

    Oddball question

    I don't want to even start my rebuilt engine 'til I'm able to put a load on it. The only way I can figure to do that on my crawler is to mount up the loader frame first so I can lift a capacity load. Trouble is it's 20 yards away hanging from my tree hoist. I can tow the crawler partway with the...
  10. WilBury

    Timing worn gears

    Sorry, was a dumb question so I deleted. This post was edited by WilBury on 10/07/2022 at 05:52 am.
  11. WilBury

    Handheld Tach

    Having my early Case 188 diesel engine rebuilt & was wondering how the heck I was going to check & set engine speed on startup 'cause it has no tach. Asking every old-timing HD mechanic I could find if they had a handheld mechanical tach I could borrow or rent. $ 200 on Amazon...
  12. WilBury

    Case 188D Rocker Arm Shafts

    Here's the parts page: https://www.mycnhistore.com/ca/en/casece/heavy-equipment/crawler-dozers/naer23cra051300/case-crawler-tractor/engine/valves-push-rods-and-rocker-arms-diesel/cn/EA5F8663-8FBF-E111-9FCE-005056875BD6/8ACD6496-EFBE-E111-9FCE-005056875BD6 I bought new aftermarket...
  13. WilBury

    What's this manual for?

    I snagged this section of a service manual off ebay for my Case 188D engine entitled BURL. FORM 9-70451 Section III - Diesel Engine. 6-61-1000 Printed in U.S.A. It's not for my machine as I see RPMs are different. Does anyone know which machine it's for?
  14. WilBury

    Gasket crush??

    So, on a Case 188D rebuild, I was all worried about factoring in head gasket crush so I could nail down valve-to-piston clearance measurements. I have come to believe "crush" only applies to the sealing qualities of the fire ring & gasket and sleeve hold-down pressure. When...
  15. WilBury

    Case 188D Valve-to-Piston clearance

    Does anyone know what the valve-to-piston clearance should be at closest encounter on the 188D? How about expected head gasket crush? These values would be nice to know in advance of an overhaul this summer. Otherwise I guess I'll have to try to measure what exists currently in mine...
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