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October 28, 2011
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Little_Grizzly
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| Lifetime Member Expert | posts 184 | |
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Can someone tell me why the fuel line for the injectors is going to the air intake?
 
Question two: What does a glow plug look like? Where might I find them? 
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October 28, 2011
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Little_Grizzly
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| Lifetime Member Expert | posts 184 | |
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Wait… suffering from post "send" trauma… I bet that isn't fuel in that line but vacuum. Or something like that. Other end goes to the fuel tank.
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October 28, 2011
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Tinbender
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| Lifetime Member Elite | posts 385 | |
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That thing in your intake is a preheater. I don't see any glo plugs on your head. My tractor came with a pre heater wired and glo plugs that were not wired, just filling up they're holes. I wired up the buss bar for them, figuring "as long as they're there".
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October 28, 2011
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Little_Grizzly
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| Lifetime Member Expert | posts 184 | |
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Thanks for the info. Preheater? How does it work? Or more to the point, how do I know if it's NOT working?
Any idea where on a TY395 the glow plugs would normally be?
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October 28, 2011
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Little_Grizzly
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| Lifetime Member Expert | posts 184 | |
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…and is anyone here involved in the TY395 engine wiki I just found @
http://en.wikibooks.org/wiki/C…..ance/TY395
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October 28, 2011
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RichWaugh
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| Lifetime Member Elite | posts 280 | |
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The glow plugs on my TY395 are on the head, roughly next to the injectors. You can spot them because they look like sort of bolts with threaded studs protruding from the tops of them, to which is attached a common strip of black-coated metal, the buss bar. Your engine does not appear to have them.
The pre-heater is basically a device that puts raw fuel directly into the intake air stream and then (usually) ignites it with a glow plug to provide hot intake air for ease of starting in cold weather, as I understand it. My engine doesn't have one, so I'm on a bit of a reach here, technically speaking. One of the real pros will, no doubt, clear this up a lot.
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October 28, 2011
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Little_Grizzly
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| Lifetime Member Expert | posts 184 | |
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ah ha! ok.. I did some reading. It would seem that it's an either / or situation. Since I've had so many things wrong with this dozer i'm putting that one on the list of things to check before they take it back on Sunday.
@Rich: you also answered my next question… what's with the wire going to the fuel line.
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October 28, 2011
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Halifax
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| Lifetime Member | posts 26 | |
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…and is anyone here involved in the TY395 engine wiki I just found @
http://en.wikibooks.org/wiki/C…..ance/TY395
Pretty sure thats from "GuglioLS" on another Chinese tractor site, based on the photobucket account. Its a nice start for everyone though..
Aubrey
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October 28, 2011
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RichWaugh
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| Lifetime Member Elite | posts 280 | |
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The info on head bolt torque and valve lash setting is by Larry Gugliotta who posts on Chinese Tractor World forum – Larry is a really sharp, helpful guy who has given me a lot of assistance on tractor things over the past few years. I didn't see much else in that Wikipedia article that was worth too much.
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October 28, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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From the pic, it shows the fuel return line from the injectors going into a fitting on the air filter to intake manifold adapter. I can't make out what the blue wire is attached to, but typically the blue wire is for the glow plugs.
These injectors don't put a lot of fuel to the return line like unit injectors so it is more like a leak off line. In the '70's there was a company that made a pre-heater similar to what you might have but it also had a small push-pump mounted on the dash console that would spray diesel against a glowing plug, literally starting a small fire. This was used extensively by Cummins, Cat, AC, IH, and other small four stroke diesels. Haven't seen one in a long time.
Larry Gugliotta has been around the TBN, CTOA (old site member), and CTW tractor forums for as long as I can remember and should be considered a valuable trusted source of information. Too bad he has a BD2G, but I won't hold that against him. 
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October 28, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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"and is anyone here involved in the TY395 engine wiki I just found"
Yep.
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October 28, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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So as it were, Mr. Pythagoras, Mr. Euclid, and myself, burned some midnight oil and came up with a few very viable solutions to the steering clutch/brake issue. (I may think patent pending here).
Pneumatic
Hydraulic
Electric
Manual
It's all been worked out on paper, now the working model, which will use my dozer as the guinea pig for the most cost efective no-frills manual method. 
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October 29, 2011
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RichWaugh
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| Lifetime Member Elite | posts 280 | |
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Geez Bob, I'd have thought this would be the perfect opportunity to delve into some non-Euclidean geometries. A nice little exercise in mechanical topology, as it were.
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October 29, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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Post edited 6:39 am – October 29, 2011 by Bob Rooks
Like the Wizard of Oz, I like to work behind the curtain with Beethoven, Rachmaninoff, and Wagner blaring…
(Plus I get to use the company computer which is 10x mine )
There will be a video. 
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November 13, 2011
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tractorfreak
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| Lifetime Member | posts 30 | |
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I have had trouble starting my NT3500C dozer. I thought I would check out the glow plugs. I found the glow plugs and buss bar but no connecting wiring. I thought I was loosing it as when I turn the key to to the glow plug position the amp meter was showing a draw. Looking father I found the manifold preheater. Like Tinbender, my dozier appears to have glow plugs but nor wired. I have a question? Can I use the same wire lead that is used for the manifold preheater for the buss bar. I am wondering if I should wire both the manifold preheater and the glow plugs, or one or the other. Since the manifold preheater does not appear to be helping much I am favoring the glow plugs. Would appreciate any input I can get.
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November 13, 2011
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SpringValley
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| Lifetime Member Expert | posts 176 | |
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Since these machines are famous for having too light of wiring I would bet that you will overload the circuit if you connect to both. I would say one of the other unless you want to run a new circuit.
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November 13, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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I agree with Larry, and I would favor the glow plugs used with a relay.
Does your manifold heater have a fuel line from the injectors going to it?
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November 14, 2011
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tractorfreak
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| Lifetime Member | posts 30 | |
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Post edited 9:29 am – November 14, 2011 by tractorfreak
The manifold heater does have a fuel line from the injectors but it is a fuel return line?? Wonder if I should block it off? I like the relay thought. I think I will make a comparison of the draw of the manifold heater and the glow plugs next. Thanks for the input.
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November 14, 2011
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Tinbender
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| Lifetime Member Elite | posts 385 | |
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I made a circuit going through a 40 amp circuit breaker, then an old Honda starter solenoid,(Fords are more common but that's what was in the junk drawer), and running a 12 ga wire to the buss bar, then to the preheater. I'll see if I can find the pics at work.
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November 14, 2011
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Little_Grizzly
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| Lifetime Member Expert | posts 184 | |
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tractorfreak wrote:
I think I will make a comparison of the draw of the manifold heater and the glow plugs next.
I'm going to hazard a guess: 3 x the manifold heater current. I'm very interested in your findings for the manifold heater current though.
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