John Deere Full Throttle

/ John Deere Full Throttle #21  
Hmmm, Technically, that's not a run-a-way.

A mole hill don't make a mountain.

i believe that is splitting hairs...

if it starts up and goes to max throttle, with no throttle response.. i think that's safe to classify as a run away.

just because you can kill it by starving it one way or another does not change anything.

either choke the air off.. or the fuel.. or both.

don't matter if that is an electric key op valve or a twist in fuel petcock.. or a piece of rubber flap over the intake.

anywho.. with that reply.. I'm done with this thread. hairs are getting too fine to split anymore..

soundguy
 
/ John Deere Full Throttle #23  
I would say it is a run-away if the governor no longer has control of engine speed. If the shut off, regardless of what kind does not work, it's not a run-away, it just wont shut off. The engine speed is still being controlled, and it has not gotten out of control speed wise.
 
/ John Deere Full Throttle #24  
Hunter,
Your fuel shut off solenoid (35) is easily removed and lubricated.
3320esos.JPG
 
/ John Deere Full Throttle #25  
Say its a Yenmar.
Probably a spring off or out of tension on the inside of the governor. solenolds and electronics only replace the simple pull of the kill cable. If the spings are weak off or not working you will run oft or not start depending. check to see how the governor is lubed some are from the engine sump and some have a small reservoir.
good luck
if you have a warranty take it back
 
/ John Deere Full Throttle #26  
oh good.. the all knowing oracle wikipedia has spoken... :)

I think it's safe to say there are other runaway conditions.. like natural gas leaks near a running diesel... etc.

soundguy
 
/ John Deere Full Throttle #28  
i realize wiki is a good fast source of info.. I just don't consider them an exhaustive 'last word' kind of place. generally good info.. some zingers though.

I hope the op finds out what his IP problem is before something gets damaged.

soundguy
 
/ John Deere Full Throttle
  • Thread Starter
#29  
Thanks for the diagram for the fuel shut off. I am going to pull it tomorrow and make sure it is lubed. I talked to another service man who said that the injector rack is lubed by crankcase oil and if my viscosity is too high the rack might be sticking open until the oil gets up there to lube it. That would explain why after getting it to start and idle like normal it will run fine for the rest of the day. Also makes sense considering that the problem only happens when it gets below freezing. He suggested going from 15w to 5w. I am approaching the 400 hr service anyway so this will be a cheap attempt at a fix. Hopefully it works. I'll keep you all posted. Weather it is considered a runaway or not it still sucks. :)
 
/ John Deere Full Throttle #30  
if in real cold weather.. a 5w40 full synthetic might be real nice. I run it in my f450 with 7.3psd

stuck rack was what I have been thinking your problem was.. if you find out definitively.. let us know.

good luck.

soundguy
 
/ John Deere Full Throttle #31  
oh good.. the all knowing oracle wikipedia has spoken... :)

I think it's safe to say there are other runaway conditions.. like natural gas leaks near a running diesel... etc.

soundguy

I Apolgize for not being as you all are.
And I dont know anything either.
orakle whats that?
 
/ John Deere Full Throttle #32  
Sorry I couldn't resist

Oracle
From Wikipedia, the free encyclopedia
For the computer technology company, see Oracle Corporation. For other uses, see Oracle (disambiguation).
Look up oracle in Wiktionary, the free dictionary.


"Consulting the Oracle" by John William Waterhouse, showing eight priestesses in a temple of prophecy
In Classical Antiquity, an oracle was a person or agency considered to be a source of wise counsel or prophetic opinion, predictions or precognition of the future, inspired by the gods. As such it is a form of divination.
The word is derived from the Latin verb ōrāre "to speak" and properly refers to the priest or priestess uttering the prediction. In extended use, oracle may also refer to the site of the oracle, and to the oracular utterances themselves, called khrēsmoi (χρησμοί) in Greek.
Oracles were thought to be portals through which the gods spoke directly to man. In this sense they were different from seers (manteis, μάντεις) who interpreted signs sent by the gods through bird signs, animal entrails, and other various methods.[1]
The most important oracles of Greek antiquity were Pythia, priestess to Apollo at Delphi, and the oracle of Dione and Zeus at Dodona in Epirus. Other temples of Apollo were located at Didyma on the coast of Asia Minor, at Corinth and Bassae in the Peloponnese, and at the islands of Delos and Aegina in the Aegean Sea. Only the Delphic Oracle was a female; all others were male.[2] The Sibylline Oracles are a collection of oracular utterances written in Greek hexameters ascribed to the Sibyls, prophetesses who uttered divine revelations in a frenzied state.
 
/ John Deere Full Throttle #33  
exactly :)
 
/ John Deere Full Throttle
  • Thread Starter
#34  
Changed to 5w -30 oil the other day. The old oil was pretty thick stuff. So far no problems but it has not been below freezing yet. Summers get pretty warm so I will probably switch back to 15w in late spring. I will keep you posted when it gets freezing again, its been in the upper 60's. Nice break for January.
 
/ John Deere Full Throttle
  • Thread Starter
#35  
Got down to 28 last night and this morning it started up and ran like normal. Hopefully it continues to work. Thanks to all for input.
 
/ John Deere Full Throttle #36  
keep us posted if you find out anything else.

soundguy
 
/ John Deere Full Throttle
  • Thread Starter
#37  
Bad news. It did it again today when it was down to 25 last night. I am about out of ideas, short of spending a lot of money to have it fixed. I am going to buy a service manual, I figure I will need it anyhow, and see if there is something I am over looking. I know that nothing is broke because after the initial trouble it will work perfectly for the rest of the day and works fine when it is warm. Do these things have a high idle setting when they are cold that could be sticking? Any last thoughts before she goes in to the shop?
 
/ John Deere Full Throttle #38  
have you been adding a dewatering/lubing fuel conditioner to your tank and storage jugs / tanks?

soundguy
 
/ John Deere Full Throttle #39  
This seems to suggest a sticking governor. "The injection pump meters fuel as determined by the governor".
3320too.JPG
The governor is apparently in the injection pump and not serviceable. It does appear to be lubricated by sump oil. The oil you are using should be fine. 25 degrees is not that cold in the grand scheme. I would agree with a fuel conditioner to add lubricity and remove moisture. If the problem persists, I would get an oil/fuel sample kit and send them to the lab. OilScan brand is only about 13 dollars per sample per kit, including lab work. Usually get a response in 4 or 5 days. I would also contact your dealer to see if there is anything they can do for you.
 
/ John Deere Full Throttle #40  
Would a block heater be a work-around, run for several hours to heat the block, IP, and intake? Nice to have anyway, and lots cheaper. If the pump/governor is functioning all right except when very cold, maybe...
Jim
 

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