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  1. CatKC

    Deere 6420 1,000 PTO false over-speed warning

    2005 Deere 6420. After brush cutting to years with a 540 PTO Land Pride I purchased a 1,000 PTO Land Pride. I removed and swapped end-for-end the rear PTO connector. Now when I increase the engine speed above 1200 or so RPM I get a ‘PTO OVER-SPEED’ warning. The 1,000 PTO indicator light on the...
  2. CatKC

    Deere 6420 rear remote SCV leak down

    I have a 200 Deere 6420 with 3 remote 300 series SCV's. After raising the wing using #2 SCV of my brush cutter OR my disc the wing will slowly go back down. I swapped hoses and it stays with #2 SCV. The hose connection is NOT leaking. Unless someone has a better solution I figure I'll need to...
  3. CatKC

    What's the best way to face to avoid throwing a track on a steep hill

    I would like opinions on the best way to avoid throwing a track while working on a steep hill or side of a creek or ditch. Specifically, is it best to back down with the sprockets first or drive down with the idler/tensioner in the front and sprockets in the back.
  4. CatKC

    After starting, won't operate till it makes click sound

    Caterpillar 312B Sn-9GR00432- Recently occurring. After starting and waiting for all the 'red warning lights' to go out I flip the safety lever and attempt to use the machine. -Nothing- operates until it runs for a short few seconds then I hear a 'clunk / click' sound like a relay picking...
  5. CatKC

    Bucket teeth slip on edge attachment - pros/cons

    I have a 52" bucket with teeth on my excavator. I have been thinking about getting a 'removable edge attachment' for easier dirt leveling. What are the pros and cons? What 'type of fastening' would work best for reasonably easy installation/removal? Where would I find a good one or would it...
  6. CatKC

    Advice on putting a thrown track back on a 312B.

    I feel like an idiot . . .I threw a track on my 312 today while doing -nothing unusual- but cleaning out crossings. Yes, I keep the tensions correct. Yes, I check before putting it to work. RECOMMENDATIONS please - on HOW to put the track back on as I have never thrown a track. It's nowhere...
  7. CatKC

    How to NOT throw a track - 101

    While I (profess to) have a great deal of knowledge in many areas, I am admittedly lacking in some areas of excavator tracks. I lack experience/knowledge in what -NOT to DO- if to keep a track on. Cleaning mud/rocks and track adjustment I understand. Sometimes as I use my 312B I hear a loud...
  8. CatKC

    Caterpillar 312B weak travel diagnosis

    I have a Cat 312B SN-9GR00432 which has weak travel, very weak after warming up. It will go into RABBIT (fast) mode but shifts back to TURTLE going up an incline. The LEFT track is weaker so it tracks slightly to the left all the time. I have replaced the swivel seals and had the hydraulic oil...
  9. CatKC

    Instructions on how to replace a links and pins in a track

    Instructions on how to replace a links and pins in a track. I have worked on most excavator components but I am a novice when it comes to track repair. I would appreciate it if anyone would provide me with –simplistic- and -detailed- instructions on how to replace the track parts. I am on...
  10. CatKC

    Cat 312 every function SLOWS when hot

    A purchased 312B - When cool/cold hydraulics are strong. After working and heating up the hydraulics get weaker. Travel is slower and will not pull out of a steep area. Swivel is slower, hydraulic pump 'noise' sounds 'noisier'. Digging is less 'strong'. As a -purchased- Cat I was wondering...
  11. CatKC

    312b Pump Delivery Pressure Switch - how do I check it

    Can anyone tell me how to check the Pump Delivery Pressure Switch ??? I am NOT getting any ERROR CODES but in checking everything I know how to check I need to check the pressure switch. I OHM it out, running and not, and get no continuity between the 3 leads but I don't know if this is...
  12. CatKC

    Cat 312B no high speed travel

    I have a 312B that won't go int RABBIT travel speed. Checking things in SERVICE MODE it -will- travel fast when I set 16-13 (travel pressure switch). There are no error codes. However, the STATUS OF TRAVEL SPEED SWITCH (10) always shows - "1" LOW - even when the CONSOLE shows RABBIT...
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