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on my y380 ‘s pump there is two drains ,one on either side of the smallest diameter of the pump. so remove both to completely drain oil from pump. remove the mushroom shaped vent on top of the pump ,at this point oil should run out of bottom of pump, it would be a good idea to catch it in a clear glass jar to inspect it. If all looks good use engine oil to refill. There is a bolt in the side of pump that is your oil level . these pumps do not use much oil and the fill at a slow rate, so over filling is possible so leave side fill bolt out for a few min. before capping it off. If on inspection where oil should be is dry a new pump or repair will be necessary, if there is diesel where oil should be the pump is on its way out, but frequently done oil changes of the pump can extend its life for awhile.
have you ever looked at or changed the oil in the injector pump,it might be a good idea to drain it and see if it is dry or full of diesel or has oil in it. If it is dry then get new pump ,I would not bother trying to get it fixed. if it has diesel or oil in it a refresh is possible if you have a qualified shop around to look at it. but you will need to run a cost estimate to see if a repair will save you over a new pump. I have a y380 so I will like to hear of what you come up with as to sourcing or repairing the pump.
have you ever looked at or changed the oil in the injector pump,it might be a good idea to drain it and see if it is dry or full of diesel or has oil in it. If it is dry then get new pump ,I would not bother trying to get it fixed. if it has diesel or oil in it a refresh is possible if you have a qualified shop around to look at it. but you will need to run a cost estimate to see if a repair will save you over a new pump. I have a y380 so I will like to hear of what you come up with as to sourcing or repairing the pump.
do you just have a leak or the tractor will not start?? If it runs ,tighten fuel lines ,start tractor, carefully crack open fuel lines one at a time at injector,you should have fuel there then. If you do not have fuel at injector then I would say pump needs work or replacement.
I would say if the leak is just weeping no ,if you are getting a spray of fuel then it just needs to be fixed, I do not know about that pump but many use copper compression washers to seal those injector tubes. do not use teflon tape ,it can not handle those pressures. If you got a diesel injector pump repair around they might be able to help you out. Some of these pumps are bosch clones so parts might be easy to get.
I would first look at the low pressure fuel lines, if you find them leaking the rings on the ends that hold the fuel lines to the banjo bolt fittings can be ground off and standard rubber fuel used on the old banjo fittings with a screw type hose clamp . there might be a screen fuel filter inside of the fittings so check that out and clean as necessary.
that would be good to see for a reference, all I have is a parts book,for a simulairish tractor.
I have had good luck with adding a older style ford starter relay, and taking the load off the key switch that is wired on the small size gauge wise. there was a guy here a few months ago that did the conversion with good results. search the site here to see the details of it or if you are interested I can go over the method again. It is pretty easy to do.
you will need to bleed it in two places , it should gravity bleed to the inlet of the injector pump ,but can be speed up by using the manual screw down knob on the lift pump helping it along, then at each injector on the cylinder head. if you have a decompression release use it and it will turn over faster and with less load on the battery. be carefull of the high pressure spray.
