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  1. digger_hunter

    Cat 320CL wiring diagram

    Hi guys, I need a wiring diagram for a Cat 320CL serial GNG00446. My computer with SIS is dead and can't get this diagram so far! Much appreciated. Thanks
  2. digger_hunter

    FOR SALE: 2011 Cat 312D 4566hrs hammer piped, AC

    2011 Cat 312D with hammer piping and good AC. Undercarriage and everything in very good condition. Asking 58k Location Upton, MA
  3. digger_hunter

    Kobelco K905A (Yutani MD120) hammer piping

    Hey guys, Need some help in putting 1 way hammer piping on a Kobelco K905A (Yutani MD120) digger. The control valve is pretty basic but has anyone got the service manual for this model or at least just the hammer piping section would be useful Many thanks!
  4. digger_hunter

    Kobelco SK210-6E engine calibration

    Hi guys, got a bit of an issue on a Kobelco SK210LC-6E (serial YQ09-xxxxx). Basically the engine is stalling from speeds 1-4 when the arm and boom are held to releif. The computer shows that the target revs are always around 150-200 less than what the computer is expecting so at the lowest...
  5. digger_hunter

    Cat 312 aux piping

    Hi guys, I am trying to get both pumps on a Cat 312 to load up when using a hydraulic hammer. The digger at the moment doesn't have any aux piping and the service manual has the plumbing layout for some fancy system with ball valves. What i would like to do is to make both pumps work during...
  6. digger_hunter

    Komatsu PC120LC-6EO error code E05

    Hi guys, Can someone give instructions for going into the service mode for Komatsu excavators? I've heard of a way to press the button behind the display and then you can scroll through a more detail error code list. Would be great if someone can post the instructions here. Our Komatsu...
  7. digger_hunter

    Kobelco SK210LC-6 arm bouncing

    Hi guys, Our Kobelco SK210-6 has developed a weird problem or we just didn't notice is before we bought it. Bascially when you move the arm in, towards halfway of the stroke when the arm is just outside of being vertical to the ground, the arm just falls about 6-10inches and bounces a bit and...
  8. digger_hunter

    Komatsu PC70FR-1 hydraulic oil overheating

    hi guys, We have a Komatsu PC70FR-1 excavator with just over 3000hrs on it (bought used a few months ago). Basically as soon as we put it took work it overheated and boiled over in about 20-30mins. The hydraulics were dead slow as well. So took apart the pump (which is pretty simple but at...
  9. digger_hunter

    Track press tooling

    Hey guys, Recently we purchased 4 used track presses and wanted to ask someone with experience of similar machinery about the tooling. We are looking to make the tooling for pressing in the pins and bushes and wanted to find out what the best material for this would be? I was thinking of...
  10. digger_hunter

    Cat 312B calibration error

    Hey guys, I have a Cat 312BL and the auto idle is not working, i mean even when i press the button on the RH joystick it won't idle down. I tried to calibrate the governor but it keep showing 70 HF 00 when i start the calibration, i mean to be exact when i goto item 70 to calibrate and then...
  11. digger_hunter

    Bladder accumulator charge pressure

    Hi guys, Have a question regarding accummulator setup on an excavator. Basically we have a bladder type nitrogen accumulator which is to be fitted on the aux hydraulic piping of a Cat 312 excavator (on the high pressure side). We are attaching a breaker to it which will be used at least...
  12. digger_hunter

    Cat 312B engine spins wrong way at load/idle

    Hi Guys, Has this ever happened to you? We have a Cat 312B excavator which we bought from some not so darling brothers! Proper scammed us. Anyways the engine and pump appear to have been overhauled with a brand new Zexel injector pump and all. However something weird happens to this engine...
  13. digger_hunter

    Perkapillar 3054 engine parts

    Hi guys, Need some help on sourcing engine parts for a "Perkapillar" engine off a Cat 312CL excavator. Does anyone know a good place for aftermarket spares for the following engines? Its a Cat/Perkins type engine and says "Perkins A4" on the engine block. Engine serial: 7BJ25381...
  14. digger_hunter

    Kobelco SK210-6 arm/dipper cylinder crack

    Hi guys A quick question, We have just bought a used Kobelco SK210-6e and the machine I would say is in great shape except for a very serious problem we noticed. We need to sell it but need to make sure the it's repaired properly before it goes. The problem is a 4" hairline crack on...
  15. digger_hunter

    Cat 312CL engine swap

    Hi guys, Just wondering if this is possible, we have a Cat 312CL with a Perkins engine in it with some issues, we also have a Mitsubishi engine off a Cat 312CL. I was wondering if its possible and how much work it would be to swap the Mitsubishi in place of the Perkins? I guess the first...
  16. digger_hunter

    Cat 312BL: cant get full revs

    Hi guys, We have just got a Cat 312BL (Perkins engine) serial 9FS00746. Found a problem with it that when I try to increase the throttle from 1-10 it doesnt rev fully. I disconnected the stepper motor cable (only 1 cable on this type of Cat compared to the 2 cable models i am used to) and...
  17. digger_hunter

    Fiar Kobelco E215B slow response from controls

    Hi guys, Hoping some Kobelco experts can help me out here. A friend of mine's got a 2004 Fiat Kobelco E215B (this is the same as a Kobelco SK200-6 but with an Iveco/Cummins engine) I had a look and really everything else is identical to the straight Kobelcos. Basically the machine blew...
  18. digger_hunter

    Help! Kobelco SK100-5 wiring diagram

    Hi, has anyone got a wiring diagram for a Kobelco SK100-5? Please PM me if you have one. Thanks
  19. digger_hunter

    Kobelco K905 pump

    Hi guys, Does anyone here know what kind of pumps in a Kobelco K905 ll? Is it the older gear pumps or piston type pumps in these machines? Are they Kawasaki? cheers
  20. digger_hunter

    Noisy Kawasaki K3Vx pumps

    Hi guys, Just a question in general about hydraulic pumps and mainly Kawasaki K3V pumps. I buy and sell used equipment and have always has cases where the pump makes a humming noise as soon as you touch any of the levers. Usually there is no noise from the pump and then on some machines when...
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