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Well, a bit of an update is in order. Usually its nice and sunny in these parts (Southern California, Sandy Eggo area)but this year we're getting a pretty good amount of rain. The TC29D has been parked outside lately (due to other things invading it's usual parking space!) so it's had quite a bit of wet weather to deal with.

It ran just fine on Christmas eve when I spent a few hours grading the road, but then 4 days later when I went to start it after a pretty big storm, no go. It would turn over, but not start and no smoke out the exhaust. A few phone calls to my local diesel mechanic friends narrowed down the diagnosis to the fuel shut off solenoid.

Sure enough, no voltage in the wire to the solenoid. Did a jummper wire straight to the solenoid to test it and the machine fired right up. Now to find out why there was no voltage to the solenoid wire. Traced the wire (and used parts diagrams and schematics) to the little micro relay that controls the solenoid. Long story short (I know, too late) I removed and cleaned each and every relay and the connections with brake cleaner and re-installed them. Sure enough, the machine fired right up. Best I can tell, these NH CUT's just don't like to get wet!

I remember reading another thread that Earthworks said he found his TC33D with the lights flashing for no apparent reason. Well, same thing happened this time to mine. Looks like moisture got into the switch and caused all kinds of electrical havoc... lights flashing on and off, etc. At one point during start up, I could even hear the glow plug relay "buzzing" like it was wet.

Oh, and all those other "fixes" that I did in the OP are still working just fine. (Just don't park it out in the rain!)

TC29D Possible electrical gremlin solution
New Holland Tractors
Replies 4 Post by reddawg

Well, found out why she wouldn't stay engaged... Completely wasted PTO gear and countershaft. And that wasn't the worst of it. I really could have handled just replacing the gears, countershaft and bearings, but what REALLY sucked was that the rear transmission case was cracked right through the internal webs that hold the bearings in place. Dropped some heavy coin on that part even with the sweet discount I get from my dealership owning buddy. Long story really short: Cost a bunch of $ but the transmission never worked better. The damn tractor still has all it's electrical gremlins. Oh well, it's working.

New Holland NH TC33D PTO Problem
New Holland Tractors
Replies 7 Post by reddawg

[QUOTE=earthwrks;162844] Red, I'm fairly sure those tips you talk about are actually mini-backhoe or mini-excavator bucket teeth. My King Kutter box scraper has them on it and they are peened on. Locally, they're less than $5 each and on eBay even less. [/QUOTE]

Appreciate the info. The price I got was for the shank with the tip included. (Can't tell you if they're welded or peened on. I'll find out when I get 'em.)

Box Scraper Replacement Scarifiers Rippers
Operating and Attachments
Replies 17 Post by reddawg

Auerbach, I'm with ya on that one. If a couple of gauges are the only problems (which seems to be the case), then just let it ride. Everything else seems to be working pretty good. But, since it's not an old machine (only five years old with about 1000 hours) I'd like to think things ought to work correctly. If those sending units turn out to be hella expensive, then I might just run it the way it is. :)

TC29D Electrical Gremlins Advise Please
New Holland Tractors
Replies 9 Post by reddawg