Recent content by Godhungry777

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    Kubota D1105 Engine - Slow RPM Response to Throttle

    FINAL UPDATE - PROBLEM SOLVED Ok. So after replacing the entire fuel system, the problem was where we first started - the governor flyweight sticking. NB. For future reference, see my earlier video of the engine running with the throttle plate off so the governor fingers are visible. My original...
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    Kubota KX41 revs dropping when hydraulics are activated

    FINAL UPDATE - PROBLEM SOLVED Ok. So after replacing the entire fuel system, the problem was where we first started - the governor flyweight sticking. NB. For future reference, see my earlier video of the engine running with the throttle plate off so the governor fingers are visible. My...
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    Kubota KX41 revs dropping when hydraulics are activated

    Thanks dd. Yeah the governor shaft assembly is about the only thing left in the fuel system we haven't replaced so I'm ready to order that now. Before i do that though, I would like to know that the two fuel adjustments are within factory range. Any directions on how to find their factory...
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    Kubota KX41 revs dropping when hydraulics are activated

    Yeah that's my feeling. I think the governor is the only remaining fuel system component we haven't changed. On adjustments, there's are a few that I'd like to figure out how to make sure they are at the original factory setting. 1. The one on the bottom side of the Injector Pump 2. The one on...
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    Kubota D1105 Engine - Slow RPM Response to Throttle

    UPDATE My apologies to all for the delay. It has taken me forever to get hold of a Diesel Compression Tester with the adapters i needed. So to update: INJECTOR PUMP > I got the Injector Pump professionally rebuilt and calibrated by our local Bosch injector/pump specialist - no change to over...
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    Kubota KX41 revs dropping when hydraulics are activated

    UPDATE My apologies to all for the delay. It has taken me forever to get hold of a Diesel Compression Tester with the adapters i needed. So to update: INJECTOR PUMP > I got the Injector Pump professionally rebuilt and calibrated by our local Bosch injector/pump specialist - no change to over...
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    Kubota KX41 revs dropping when hydraulics are activated

    The IP has now been professionally rebuilt and recalibrated by our local Bosch injector/pump specialist. No change to symptoms.
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    Kubota KX41 revs dropping when hydraulics are activated

    Thanks heaps for that. Yes that is a vast difference.
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    Kubota KX41 revs dropping when hydraulics are activated

    3in1 Instability is probably the wrong description. You're right that it's stable once it reaches the throttle setting. What I'm referring to is that when you set the throttle, it takes so long for the revs to get up or down to where you've set it that you need to keep make adjustments once it...
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    Kubota KX41 revs dropping when hydraulics are activated

    Update: Uncoupled Hydraulic Motor OK, I've uncoupled the hydraulic motor to remove any effect of the hydraulics on the revs. See video. In my introduction I say that uncoupling the motor had stabilised the revs but then my test on camera completely disproved that as the RPMs were all over the...
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    Kubota KX41 revs dropping when hydraulics are activated

    I agree (somewhat) but is it not working because it's faulty or because it's maxed out trying to compensate for an unusual hydraulic load? I have had the governor out and while it is a bit worn, nothing is broken or missing and everything moves smoothly and freely - forks/fingers, flyweight...
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    Kubota KX41 revs dropping when hydraulics are activated

    No smoke of any colour at any point. See video here
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    Kubota D1105 Engine - Slow RPM Response to Throttle

    Hydraulic oil and both suction and return filters have been replaced. No change.
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    Kubota KX41 revs dropping when hydraulics are activated

    Yeah, you're right - kind of. Max RPM for the D1105-BH in the KX41 is 2600RPM. Though, from what I've seen, the D1105 comes in various configurations for different applications and max RPM ranges from 2300-3300.
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