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Recent content by centerline

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    Daewoo/Doosan G30E.. Mis-fires after running hard and temporarily loses compression

    because we DID have to take it apart, we pulled the valves and cleand them and checked the valve guides for buildup, and did our best to clean them... after reassembling it and getting it going properly, we added seafoam additive to the gas and to the crankcase... which all the efforts have...
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    where to buy timing shims for cambox style PFR injector pump????

    I have a mitsubishi K3E diesel engine and looking for a timing shim kit for it.... does anyone know where these can be obtained, or does anyone have a couple old ones that i could buy?... thanks
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    Cleaning Gas Tank - What is most effective?

    i use seafoam or berrymans carb cleaner for cleaning fuel tanks..... if the tank is really bad and has rust in it, i will add a handful or two of clean gravel to help scrub it as i shake it around.... the old fuel sludge will dissolve rather quickly with seafoam or a GOOD carb cleaner.... not...
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    Daewoo/Doosan G30E.. Mis-fires after running hard and temporarily loses compression

    yes.... i found that the valve stems were carboned up and the valves wouldnt snap back closed all the way, causing a loss of compression.... try running some seafoam in the crankcase at about twice the concentration that is shown on the seafoam bottle.... run for about an hour and let it sit...
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    WTB..undercarriage and misc parts for komatsu D20-D21, new or used.....

    I know the pyramid pads are not desirable in most cases, and I would prefer steet/excavator pads, but swamp shoes are what it is equipped with and the cost of new ones are out of the budget at this time, and a full set of used ones will be a rare find... so im trying to make do until i get this...
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    WTB..undercarriage and misc parts for komatsu D20-D21, new or used.....

    and I need a ripper unit for the D20 also, damaged or a good working unit doesnt matter...... thanks
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    WTB..undercarriage and misc parts for komatsu D20-D21, new or used.....

    does anyone have an old komatsu d20 or 21 they are parting out, or have usable parts laying around for one of these dozers?.... I need 4 lower rollers, 2 upper rollers and 3 pyramid pads for the tracks.... one of my front idlers have slightly loose bearings and would take a good used one to...
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    bucket pins

    no... very weldable, and wont cause any brittleness.. preheat the end of pin just enough that its slightly hot to the touch, and then weld the tab on...
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    Komatsu PC250 slow bucket dump

    Ive seen this problem many times with hydraulics, and after so many costly troubleshooting procedures, I have found what generally causes it is a bad hydraulic hose.... when we get a machine in that has the symptoms, after the pressures all check out good, we go directly to looking for a bad...
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    Mitsubishi ME-20.... needing some information

    on my ME20 mitsubishi, I want to find out what the flow rate of the aux circuit is... any suggestions or help would be appreciated.... a copy of a service manual would be absolutely great. and a parts manual.. there is information on the net about most other mitsubishi minis, but the ME20...
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    Building a custom excavator

    there are lots of good ideas built into that little machine... just dont overlook the stress load thats being placed on the superstructure lift/tilt cylinders when they are extended... it may be more than you realize as the machine is lifting, swinging and being shock loaded at times... its an...
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    Dig with the blade in front or back?

    it really doesnt matter which end you dig over.... or you can park the carbody sideways and dig over the track.... personally I dont like the blade in the way, but when im picking up a pile, I will use the blade as a bumper to help fill the bucket...
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    bucket pins

    cold roll steel can be purchased in 1018, 1045 and 4140, and the 4140 alloy is perfect for pins and bushings, but the bushings made from it would need to be flame hardened before using... but the pins should NOT be hardened, as its better to wear the pins out than the bushings, because the pins...
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    Mitsubishi ME20 specs?... manuals?... aux circuit GPH?

    I have a 1994 mitsubishi me20 (5000lb machine) and im looking for some specs on the hydraulic system, or a copy of a sales, parts or service manual (preferred) for it... thanks for any help you can give
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