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  1. B

    cummins NH 220 engine timing

    I cleaned and wire brushed it I don't even see any marks. So the key way should be at 9 o'clock ?
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    cummins NH 220 engine timing

    But I thought the key way is at 9 o'clock not straight up ?
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    cummins NH 220 engine timing

    Ok I have a question, I have a NH 220, I believe a 1963 it's in a boat. My question is, the accessory drive pulley has no marks on it because of rusting, so how can I figure out how to time it for a valve adjustment ?
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    No down pressure on boom on a kobelco sk300lc

    the pilot pressure to the end caps for the boom are 530 lbs for both, I need to tap into the cylinder rod ports
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    No down pressure on boom on a kobelco sk300lc

    I have a question on a kobelco sk300lc, mark IV, s/n: YCU0756. Here is my problem, every function on the excavator works fine and the boom goes down fine but has no down force pressure once it meets the ground it will lift the excavator about 1 inch off the ground fast but stops and pluses...
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    need some help with traction problem

    I would first Make sure the rods from you levers or foot controls are adjusted and traveling freely, I have had this problem before and it sounds like other folks have changed pumps and motors and still have the problems so its worth a check really good. good luck
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    Problem with a 1977 ratgo rascal compactor/vibrator

    :BangheadI have a 1977 raygo rascal 320a and after setting for about a year and now it wont vibrate, I took the solenoid valves apart and they look free and clean, this system looks really old, why two pumps? Before it all ways worked great and the solenoid on the left side has wires to it and...
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    Problem with a 1977 ratgo rascal compactor/vibrator

    I have a 1977 raygo rascal 320a and after setting for about a year and now it wont vibrate, I took the solenoid valves apart and they look free and clean, this system looks really old, why two pumps? Before it all ways worked great and the solenoid on the left side has wires to it and the...
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    Problem with a Kobelco SK300LC mark IV

    If this helps this is where my main control valve is tapped into for the pressure for aux and pilot cntrolled aux. [/IMG] [/IMG]
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    Problem with a Kobelco SK300LC mark IV

    grandkobelco, I was told by the Kobelco dealer by me that there was not much info for mark IV's? here is what i have done, I took a two-way auxiliary valve from another machine and a joystick control and two electric over hyd valves, so far i tapped into each end of the factory control valve for...
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    Problem with a Kobelco SK300LC mark IV

    Hello I am new to this forum and was very excited to find it, I have been a heavy equipment mechanic for many years, I have a Kobelco SK300LC mark IV sn:ycu0756. I installed a thumb and two-way auxiliary valve, and finding info on this mark IV is not easy, I bought the factory service Manuel...
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    Worst Demo Guy Ever

    thats just nuts hey everyone has to start somewhere or makes mistakes WOW :Banghead
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    Which brand excavator do you like the most?

    I like komatsu then Kobelco then cat ?
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    Kobelco SK300LC Series 4 Engine Bog???

    yes it is a closed system meaning the pump has to be stroked to be activated so there could be as simple a foot control piston stuck not returning witch would stroke the pump but i would start by checking all the relief valves make sure none are stuck if the pressure cant be relived it will dead...
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