Jinma 354 help

[jbspapa]

I plan on changing the hydro, tranny, and front axle oil at 200 hrs.( I'm at 170 now). I talked to the previous owner again and he changed everything except the coolant and injector oil at 100 hrs.. I checked the injector oil and it looks good. Had a friend look at it and he thought it looked good too. I'll probably change it at 200 hrs. too.

 

[Diamondpilot]

For no more than it takes, about 1/2 qt, I would change the injector oil every 100 hours min. The main reason is to detect the presence of diesel fuel from bad seals. It may save you a pump replacement.

What I do on my tractor is oil and filter every 50 hours. Injector pump oil every other oil change, so every 100 hours.

I changed all the fluids at 200 hours then again at 500 hours. I will do it again at 1000 hours. I change the fuel, air, and hydraulic filters every 250 hours.

By the way I write on the filters when I changed them and when they are due with a Sharpie Marker.

Chris

 

[copperheadranch]

I have the same tractor that I bought new in 07. I have experienced exactly what you have. I was so concerned that it might be starving for oil that I split the tractor to examine the sump and oil pump. All checked out ok, no metal or signs of ware. My conclusion was that these engines have courser bearing tolerances than we are used to. I use a single viscosity 30 weight deisel oil. But the simplest solution so far was to bump up the idle rpm on the throttle linkage so that the rpm does not get so low, thus higher oil press.

 

[quicksandfarmer]

I have the same tractor, also with the 4-cylinder, bought new in 2007.

If I use anything less viscous than a 15w40 engine oil the oil light comes on at idle.

 

[Mark @ Everlast]

There used to be an oil pressure adjustment either on the filter housing or close to it with a lock nut and a screw on some of the older chinese tractors. Not sure if its still there.

 

[TTTTTT]

There used to be an oil pressure adjustment either on the filter housing or close to it with a lock nut and a screw on some of the older chinese tractors. Not sure if its still there.

My DF (2007) has the same and I had to do an adjustment from too high oil pressure. After warming up the engine to operating temp, adjusted it by watching the oil pressure guage to get it in a reasonable level. Somewhere at about .2 Mpa at idle. When at high revs at about the .4-.5 range. My gauge shows red line at .6 Mpa. I to use a quality 15W40 diesel oil year round. When first starting up mine will be in that .4 Mpa range until full warmup.

Hope it helps

Dave

 

[greg_g]

Due to demonstrably inconsistent readings between/among Chinese tractors, the OE sender and gauge should not be considered reliable enough indicators to be used when adjusting oil pressure at the filter head. Make note of the pressures at critical temperatures and RPMs (idle cold/hot, PTO rpms cold/hot, full throttle cold/hot). Make your adjustments with a mechanical gauge. Reinstall/reconnect the OE sender/gauge and note the differences (if any). Operate accordingly.

Simpler yet, replace the crappy OE altogether - go mechanical

//greg//