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  1. M

    Kubota v1505 overheating

    I’ve been battling this issue for over a year, it has been overheating since I purchased my mini excavator. I replaced the head gasket initially with no change. Then took the whole engine to the machine shop, put all new cylinder liners in, pressured checked the head, decked the engine and head...
  2. M

    Airman 2 speed solenoid

    Hi, I have a uchida valve body off of an airman ax35 that controls the 2 speed and pilot shut off. Both solenoid coils were bad and the wires were cut. I pulled the spool valve out and there were no o rings on the spool, it looked like there was one place in the middle for an o ring but the...
  3. M

    Unable to bleed hydraulics

    Hi I have a hitachi mini ex-35. I just rebuild the Kubota motor. The hydraulics were all strong and fast prior to the engine work. I reinstalled the pump when installing the engine, refilled hydraulic oil and bleed the air out of the pump with the Allen screw and hydraulic lines on the pump. I...
  4. M

    Hitachi mini ex hydraulic pump bleed

    Hi I have a hitachi mini ex-35. I just rebuild the Kubota motor. The hydraulics were all strong and fast prior to the engine work. I reinstalled the pump when installing the engine, refilled hydraulic oil and bleed the air out of the pump with the Allen screw and hydraulic lines on the pump. I...
  5. M

    Kubota no start after new piston rings and head gasket

    I have a Kubota v1505 in a mini ex that I’ve been working on. It began blowing smoke out the breather tube then after idling for 30 minutes it started to blow heavy smoke and loose all power, then had zero compression. I replaced the piston rings, head gaskets and glow plugs. I can’t for the...
  6. M

    Hitachi 35-2 track issue

    I recently bought an older hitachi ex35-2. I’ve been making some repairs to get it functional. My inquiry is the tracks move very fast like they’re in high speed and do not have much torque for turning. The rollers need to be serviced as they are hard to turn. I check the 2 speed button on the...
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