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I have a 1985 model JD 310B Backhoe that sat up for 3 years while I was sick. Now that i am over 65 and feeling better I am trying to get her back to life. I had to replace all fluids and bleed the fuel line and replace the starter and battery and finally got it to crank up today. It ran a little rough but it was nice to get it turning over. The off switch would not kill the engine but I got lucky and it finally died on its own. The throttle would not work so I assume all of this is related to the injector pump. I have no hydraulics at all so I am assuming that my hydraulic pump is stuck in some unknown position. As you can probably tell I have very little mechanic experience especially on a diesel tractor. I have managed to buy a Parts Manual but do not have a Service Manual. Any advice to test or things to try to revive this beast is much appreciated.
 

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Engine not wanting to die is probably from a sticking fuel metering valve in IP or hanging up fuel control solenoid. I'd suggest adding some good fuel conditioner to tank or a quart of auto trans oil. On hyd's your unit has closed center hyd that requires oil supplied from trans pump. I'd start out by changing hyd filter & checking/cleaning sump screen(parts key 15). Also check frt hyd pump coupler to bee sure hyd pump shaft turns when engine is running.
AR75603 Filter Element - ELEMENT,OIL FILTER ADD 8.03 USD
 

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What Jim said. :good2:
 
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