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    Dampening piston pump pulsation and sound

    Anyone have any experience with piston pump pressure pulsation dampening to reduce the noise and vibrations in the hydraulic system and machine? The machine in question has a double axial piston pump, 2x400l/min and a max of 35000kpa sound is worst around 1500rpm. What I have gathered so far is...
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    Bobcat 864H bad parking brake?

    Took a quick look at a 2000 year Bobcat 864H yesterday that the parking brake isn't right on. Problem seem to be that it is disengaged all the time. Checked the brake solenoid manual override first but nope, it' wasn't overidden. Hooked a gauge to the output port from the valve and indeed the...
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    D6T that blade lower has been becoming slower and slower?

    Need some ideas as to what is going on with this machine, its a D6T prefix #LKJ Blade lower has become slower and slower the last year and now it wont even go into quick drop mode. Checked pilotpressure from the joystick on the raiseport and that is a solid 3000kpa but on lower it only...
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    Grease instead of oil in pivotshaft on D8, bad idea?

    A customer of ours had a seal tear and is losing the pivotshaft oil rapidly, he want's to fill it with grease instead but I don't think that's such a great idea or am i wrong?
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    D5H front track roller frame broke

    It broke right in the middle of the weld between the 2 parts of the tube, right at the rear edge of the chromed sleeve. A clean straight crack. Im going to remove the old weld and try to reweld it, any advice other than preheating? Pic's are coming.
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    Performance difference between a D8T and an older D8?

    I know a fellow here that got a new D8T this fall and he's not happy with it, he claims that it is much weaker than his old D8R but CAT won't do anything about it, they say it's performing ok. He says it drops the rpm to about 1500 and drags it's ass with the same pushload the R hardly dropped...
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