930 is really good on fuel , but

Bruce from Can.

Well-known Member
Still needs a refill now and then. I new the fuel gauge didn't work, but I had filled it right to the neck, and started in spreading manure. And you know how the days kind of blend together. While going outwith the last load for the day yesterday, the 930 started to sputter , and I thought , just when did I fuel this tractor , yesterday , or day before ? I shut it down quick , and walked for fuel. Tossed 5 gallons of diesel in the tank, and it started right up... and died. So I gave the primer a few pumps, and found it wasn't pumping fuel.
So here is my question, If the tank was half full of fuel or more, would the pump been able to catch the fuel? Or would it make on difference how much fuel is in the tank.
I just went and got my son Karl, with a chain and another tractor, and we tugged the 930 around for a bit , and it barked back to life. Think I will try to fuel the tractor everyday I want to use it from now on, and save myself the exercise . Probably better to keep the tank full now colder weather is here anyway.
 
the primer pumps will pump as long as they have fuel did you open the first stage bleeder screw? I take them all the way out,, sounds like you had a air bubble that needs bled out, now thwe primer pumps on the injection pumps on the 70/90 series can be blocked from pumping if the transfer pump is just in the right place,, all it takes there is to turn the engine over a bit to make them work, all of the screw out primer pumps can have issues with pumping and leaking,, I like to replace mine with the sealed primer style they sell now,, Much better system
cnt
 
Use the new style Bosch hand primer 2 447 010 033, install it on the suction side check valve. New primer is spring loaded up, just push it down to prime the system, repeat as needed.
 
We stock the Bosch 2 447 222 126 Primer, in a CASE box, that the '70 & '90 Series CASE Tractors used. It is threaded @ the bottom. The 930 & 1030 used a primer that had an in & out. I don't know where the check valve is that you refer to.
 
The valve and spring are under the cap and primer both, usually stay in the pump body. Two valves on each pump. Won't work without the small springs either, had a logger that could not get his W14 running as his shop man left the springs out. "It will work fine without them", he said. Never did get it running until I brought a Bosch repair kit with springs to get it going..
 
While I did open the bleeder screws, I couldn't get the pump to push any fuel out. Just wondered if the tank, with only the 5 gal. I dumped into it, would not have enough head pressure to send the fuel to the pump. I have used the hand primer in the past after filter change, and it did work.
 
I have ran my 1030 and 730 both out of fuel a few times.The fuel gauges don't read true. I bought a extra fuel cap and drilled it and put a 1/8 sniffer valve into the cap. Now I only need to put 5 gallons of fuel in and add a little air and bleed the system fast.Keep in mind you only need a few pounds of air.Even a hand tire pump works well
 

Bruce,

When we run the 1030 out of fuel, we dump 15 gallons in to make sure the primer will work. Sometimes 10 wouldn't do it. We have a primer off of a 1070 and it works great. It fills both filters quickly, but the last one still takes quite a few pumps. Don
 
Well I'll probably get slapped for this but my 930 has an electric fuel pump mounted on the fender where the pump would be on a gas model. It is wired into the ignition switch to run when the key is on. It was on the tractor when I bought it and it worked so I decided to leave it alone. The hand primer is still on the tractor as well. No priming necessary it's also a handy reminder to shut the key off after you turn the engine off cause you can hear it running.

Eli
 

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