new member with yanmar problems

[stinson89]

What size lower radiator hose to get i noticed tractor supply has all different sizes of them. And i have not changed or removed the fuel filter

 

[winston1]

Yanmar Tractor Parts MAGNETIC BLOCK HEATER - HIGH OUTPUT -

 

[damammel]

I think the hose was 1" and the heater may have been 1 1/4". Its been a while since I did it so I don't remember exactly. Looking back I should of kept track of the parts used. It was all off the shelf items at TSC. The hose is bigger than the original hose which is 3/4". It was one that had a couple of bends and I cut it in the middle to make the bends work in the tight space. I tighten the clamps down and have not had a problem in 3 years of running it like that. I do take it out every spring.

 

[damammel]

Yanmar Tractor Parts MAGNETIC BLOCK HEATER - HIGH OUTPUT -

I tried one like this and never had much luck. It fell off one day and melted.

 

[deepNdirt]

Could it just be so cold that it wont start, the temps in northern Kentucky have been single digits at night and teens during the day. But like i said earlier i had it running a few days ago. Im going to try this weekend when i have more time to wrap it in a tarp and put a heater under it.

This will likely help to get it running,
Just yesturday I went for my tractor to move some fallen limbs from the ice storm, was around 22* outside, the power had been off in our area for 2 days and inside had gotten down to 48* is when I decided to go get the tractor warmed up and do some work,
It would not start, sound like that battery was weak wah-wah-wah-click-click-click.....I figured it was due to the cold,
I decided I really didnt need to be out in the cold anyway, 4 hours later after it warmed up above freezing ( 37*)I decide to try it again, it still struged a bit but after the 2nd try it fired right up,
I think is a combination of the oil being cold/thick, the battery being cold/weak, and perhaps as others have stated, Bad terminal connections, when I first got my Yanmar I had to go through ( while trouble-shooting ) all the connections cleaning or replacing the terminals, This fixed the weak starting issue of that time, Now 6 years later I may be having to do it again,
Good Luck!

Oh! BTW Welcome aboard..

 

[Gary Fowler]

Those Yanmars with the BullSxxt fuel cup (instead of glow plugs) are a pain. There should be fuel in the cup where the wire is glowing. The glowing wire sets the diesel on fire and it is supposed to be sucked into the intake air. If no fuel is in the cup it isn't going to work no matter how fast the engine turns. Use the Decompression lever to begin turning the engine a few revolutions then release. If none of this works, (my Yanmar 4220 never did) I just used the wife's hair dryer to blow hot air directly into the air cleaner. Just remove the end cap and blow it into the housing while turning over the engine. You may need a second person if the safety switches don't allow you to start the engine without being in the seat with the clutch depressed.

 

[stingray1]

Welcome to the forum,Good luck.

 

[clemsonfor]

my tractor starts pretty easy even into the 50/60s but when its around 30 it still starts just spins way slower cause of the thick oil and may have a failed attempt or two.

 

[284 International]

...it cranks really slow. ...one of the wires tied in with the positive wire coming off the battery to the starter got red hot and smelled like it was burning...

You have clear evidence that you have electrical issues and that too much current is being drawn through at least one of the wires. Whenever something is obviously wrong, one may as well fix it, because whatever else is may be going on, a given malfunction certainly won't make it run better, start easier, etc.

Go get some new battery cables with good terminal ends. Clean up whatever the ground terminal attaches to with a wire brush to bare metal, then mount the terminal. I have had luck directly mounting the grounding terminal to one of the starter mounting bolts before. Now it is certain that the cables are sound to the starter.

Trace the wire that glowed red and figure out what it does. Repair/correct as necessary.

Try starting the machine. If it still won't turn over well, then you have issues with your starter. It needs to be rebuilt or replaced.

My 2 cylinder Yanmars turn over easily whether the compression release is activated or not. Yours should be the same.

Good luck!

 

[clemsonfor]

A good battery can go bad in a second. I like cary had a battery go bad at a gas station. NO problems at all starting. I went inside to get a drink and the truck would just click. A cop was there and tried to jump me with his patrol vehicle, barely anything. battery was shot!!! work towed the truck to the shop.

I had a batter go out in my personal vehicle that was a toyota OE equiptment panasonic battery it was 30 days old or so and it just went dead. Bad cell or something. one day it would be fine the next day it would barely crank it, then would crank fine then barely crank. A new battery and all was normal, that battery lasted 5-6 years so i know the vehicle was not the probvlem.

So i gues my point also is that just cause you use another car to jump or a box the battery can be so bad or have bad cells that no amout of jumping will get it going

 

[stinson89]

Damammel do i put the heater on the house coming out of the bottom of the radiator or the one that comes out of the top. Also do i need to buy a new hose or will whats on it work

 

[clemsonfor]

you would need to cut your current hose. I think if i remember right and what he said he bought off the shelf hoses that had similar bends on the ends and he cut the middle to put the heater in.
He then takes the assembly off in the spring and runs the factory hose.


I think you can put it in either hose the water will circulate and heat all of it. I think there is more room on the top and its deffinitly easier to get to. I know when i replaced my radiator the bottome was always a pain to get to.

 

[normde2001]

I went down to my work earlier today and got a jump box and hooked it up to the tractor and i still could not get the tractor to start. Its seems to turn over fine until the compression is engaged back in then it seems like it cranks really slow. While cranking i have very little puffs of white smoke coming out of the exhaust. But nothing else happens. Could it just be so cold that it wont start, the temps in northern Kentucky have been single digits at night and teens during the day. But like i said earlier i had it running a few days ago. Im going to try this weekend when i have more time to wrap it in a tarp and put a heater under it. I have no idea what the problem could be with this thing ive only owned gas tractors before this one so this is my first diesel. So i would appreciate any help i can get. Also one thing I forgot to mention was i noticed when i was cranking on it was one of the wires tied in with the positive wire coming off the battery to the starter got red hot and smelled like it was burning could it be a bad positive wire

You will get nowhere without a volt/ohm meter. That appears to be a high resistance, either bad connection or corroded cable, giving the appearance of too small of a wire for the amperage.

 

[California]

seems to turn over fine until the compression is engaged back in then it seems like it cranks really slow.... Also one thing I forgot to mention was i noticed when i was cranking on it was one of the wires tied in with the positive wire coming off the battery to the starter got red hot and smelled like it was burning

These little Yanmars will meet your expectations after you renovated it back into conformance with with Yanmar's specs. Sounds like you have a little bit of renovation work to do to get back in spec.

Specifically, if someone added a wire in parallel with the primary starter cable and that additional wire is burning up - you have a clear sign that the primary cable designed by Yanmar is no longer carrying the intended current. Some prior owner recognized this and made an ineffective hack. Replace the primary cable and discard that parallel wire.

 

[damammel]

Damammel do i put the heater on the house coming out of the bottom of the radiator or the one that comes out of the top. Also do i need to buy a new hose or will whats on it work

Don't cut your original hose. Keep that for the warm weather. Cut up the hose from tsc. That way you can get another if you cut wrong. It's on the lower hose also because that's where it operates properly.

 

[Djames55]

Did you by chance spray this engine with starting fluid? If you did spray it that could be your problem... Starting fluid can bust the piston and rings... NEVER spray starting fluid in a yanmar engine...

 

[Trkrd]

My Yannie hates the cold also. Over the years I have found that there is a "sweet spot" for the throttle that will get her going in the cold almost every time. Any deviation and it's a no-go. Still, any colder than 30 and the hair dryer comes out. Mostly mild winters here, but if we get extended periods of cold weather I stick my magnetic block heater on the oil pan and just leave it on. Having pre-warmed oil gets her spinning much better.

 

[pretendfarmer]

These little Yanmars will meet your expectations after you renovated it back into conformance with with Yanmar's specs. Sounds like you have a little bit of renovation work to do to get back in spec.

Specifically, if someone added a wire in parallel with the primary starter cable and that additional wire is burning up - you have a clear sign that the primary cable designed by Yanmar is no longer carrying the intended current. Some prior owner recognized this and made an ineffective hack. Replace the primary cable and discard that parallel wire.

Yes, they are little work horses. Lord knows I have had fits with mine, mostly because of the previous owner's abuse and deferred maintenance. I was griping and cursing this tractor, but she's growing on me. I have replaced all 4 tires, radiator, starter solenoid, battery, battery cables, radiator hoses and I'm sure more. :laughing: But, when I turned her over for the first time this year after sitting nearly 6 months, she came right to life. I was duly impressed.

 

[stinson89]

I installed a lower radiator hose heater on the tractor and if i plug it in for a few before i need it it fires right up like its a hot summer day out, i guess it was just to cold outside for it without some heat.

 

[damammel]

I installed a lower radiator hose heater on the tractor and if i plug it in for a few before i need it it fires right up like its a hot summer day out, i guess it was just to cold outside for it without some heat.

Glad to hear it worked out for you. Which hose did you use for the install?