Jinma and metal shavings

[Doug W.]

I have a note to those considering any of the Farmpro, Nortrac, (jinma) units.
Beware of metal shavings in the housings.
I was told to flush out the original oils from all areas and refill with new, by the dealer who sold me my 304 farmpro.
I found out why when I got it home and began this process.
I examined the drain oil and saw metallic shavings, so I opened up the rear differential case and was amazed at the amount of crap that was left in there at assy. I flushed the housings with kerosene in a garden sprayer to remove all that junk.
I think the tractor in general is a tough one and has performed well for me but one must be aware of the pitfalls these tractors can present if precautions are not taken.

FLUSH THEM OUT

 

[RonMar]

Yep, you will find them in all kinds of places. I found quite a bit of small powdered shaveings in the hydraulic resovoir. I made up a flushing tool out of a windshield washer pump and some washer hose and a small piece of aluminum tube I can bend to direct the stream back into the corners from the acces hole over the suction strainer on my 284. With the front of the tractor elevated to help the resovoir drain better, I press fit a larger hose into the hydro resovoir drain hole and ran the hose into a bucket. I recycled the kerosene from the bucket thru a disposable fuel filter attached to the suction hose on the washer pump. Flushed a lot of fine stuff out of there.

I also found quite a lot of shavings in the bottom of the tapped holes in the head where the bolts that secure the rocker arms go(need to remove the rocker arms to torque the head bolts properly on a Y385 engine). I made the mistake of blowing them out with compressed air before really looking down in there to see how much stuff was there. The first hole threw shavings all over the place before I had things properly covered.

 

[schmalts]

might not be a bad idea to get a hold of a few super strong rare earth type of magnets and stick them in the cases to collect any loose shavings

 

[3RRL]

Interestingly enough, I was going to put on Northern Tool 149 micron hydraulic suction filter on my Kama 554. After taking apart the stock filter, I noticed dust like metal particles stuck to the filter element. I took it apart to clean and to my surprise, there is a magnet in the center of it! Pretty good idea. I left the stock filter on and did not change to the new filter.

 

[bluechip]

Rob the KM series also has a large magnet in the base of the trans/diff housing. good to remove and clean when changing oil.

 

[greg_g]

Rob the KM series also has a large magnet in the base of the trans/diff housing. good to remove and clean when changing oil.

I recently had my KM454 tranny/diff housing drained, and the housing cover off. Not that I was actually looking for a magnet - but I sure didn't see one with that gear train in the way. Is it safe to assume one must reach around the gear train and reach for said magnet in the blind?

//greg//

 

[crazymike]

Foton seems to be using magnet drain plugs now. Makes a big difference. Pain to get them clean though.

Just an FYI. Metal shavings are common in most any new engine. Cars, motorcycles, tractors, etc...

 

[Doug W.]

I am not familiar with the km454 but have noticed on several others that are equipped w\magnet it is commonly bonded to inside of the case around or near the oil drain plug.
And some magnets are placed on the plug itself for easier cleaning.

 

[3RRL]

Rob the KM series also has a large magnet in the base of the trans/diff housing. good to remove and clean when changing oil.

Chip,
Where exactly is the magnet? How do I get to it?

 

[fancherf]

Rob the KM series also has a large magnet in the base of the trans/diff housing. good to remove and clean when changing oil.

Bluechip,

Does the jinma (304) have this magnet? If so how do I get to it.

Thanks