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  1. G

    Cat 259B3 Track Roller Oil

    By the way Nige the D5M is still running great!! Thanks again for all the help!!
  2. G

    Cat 259B3 Track Roller Oil

    Thanks for the info. I do have an operators, service and parts manual for this machine. Been looking in the service manual for roller related procedures only to find none. They have front and rear idler disassemble but nothing on the rollers. Figured it out though just didn't think of...
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    Cat 259B3 Track Roller Oil

    30w oil? Found this after I posted this.
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    Cat 259B3 Track Roller Oil

    Does anyone know what type of oil goes in a bottom roller on the Cat 259B3 track machine? Serial number YYZ02914.
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    Cat 259B3 Undercarriage Front Bushings

    I have a Cat 259B3 track machine I have been working on. Serial number YYZ02914. I'm replacing all the torsion axles on the machine. Also replacing the undercarriage rear bearing and two front bushings. My question is what is a good way to line up the axle and front bushing grease ports...
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    Cat D5M Transmission Cooler

    I believe there are like 10-12,000 hours if I remember right. I did flush it out and found chunks and lots of sand. I'm going to push for a new bottom section.
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    Cat D5M Transmission Cooler

  8. G

    Cat D5M Transmission Cooler

    I have been working on a Cat D5M (3CR01241) that was sabotaged while the previous owner had it. Gravel was dumped in the transmission fill tube. Long story short I have removed the radiator assembly trying to access the transmission cooler. It appears the bottom section of the radiator would...
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    Cat 627B Scraper Transmission Issues

    It's 7N-8001
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    Cat 627B Scraper Transmission Issues

    Yes in the cab. Here are some pictures. That is the switch Cat got me.
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    Cat 627B Scraper Transmission Issues

    I am looking for a new transmission neutral/run switch with 3 pins on the back to match the current one. Need power in the center and then "Neutral" on one side and "Run" on the other. Tried through Cat and they got me a 2 pin switch and can't seem to find the correct one.
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    Cat 627B Scraper Transmission Issues

    I started tracing wires from the transmission neutral/run switch and found a faulty manual transmission switch on the tractor. I had the machine running and in neutral. Measured 24 volts at the neutral terminal but also 19 volts at the reverse terminal. Switched to "Run" and put it in 1st...
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    D5M Brake Issue

    Can you explain briefly what the PV does?
  14. G

    D5M Brake Issue

    LH brake applied : 0 psi. Released 400 psi RH brake applied : 0 psi. Released 400 psi Both brakes applied via pedal : 0 psi
  15. G

    Cat 627B Scraper Transmission Issues

    Not sure what I'm doing wrong but the email you just sent with the electrical schematics is telling me "Requested conversation could not be found".
  16. G

    D5M Brake Issue

    Here are the results of the lower PV pressure test. Park brake on low idle : 95psi Park brake off low idle : 400psi Park brake off high idle: 505psi Left service brake applied high idle : 500psi Right service brake applied high idle : 500psi Both brakes applied (foot pedal) : 500psi
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    D5M Brake Issue

    Can you send me that T/A document again. I had lost everything you sent.
  18. G

    Cat 627B Scraper Transmission Issues

    We have a Cat 627B scraper I have been working on. The tractor serial number is 15S983. The scraper serial number is wore off but we believe it is 38V00045. The issue is the tractor and scraper transmissions don't seem to be on the same page as far as shifting goes. The previous owner...
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    D5M Brake Issue

    Nige I followed the power train troubleshooting guide you sent and took some pressures. By the looks of the schematic there are two ports to test the PV? Below are the results. Top Priority Valve port by filter cover Brake On at 850 rpm : 425psi (spec 138psi) Brake Off at 850 rpm : 425psi...
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    Cat D5M (Nige)

    Nige please send another link to my DM. Everything you have been sending is gone including my first post on the D5M. Thanks
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