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Recent content by Hydraumind

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    Thermostat temperature komatsu PC400-5

    what does the temperature indication on the thermostat mean (mine is 82 degree C)? is it cracking or fully open temperature.The engine is S6D125-1 and the working temperature of the engine stabilize at 90 degreeC. It seems to me a little higher than normal for a PC400-5, I thought it should be...
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    komatsu PC400-5 engine rebuild

    Is there any way to resurface cylinder block S6D125-1 engine, around water passages (4 for each cylinder) without grinding all the surface of the block?
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    SPV23 sauer sundstrand

    There should be shaft end play on the SPV23 and SMF23 hydraustatic pump &motor or there is a preload setting?
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    RPM tech LM220 snow blower

    By the way it is a SP211HP2
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    RPM tech LM220 snow blower

    When trying to engage the clutch I have clutch sender error. It has a 3 pins sensor mounted on the arm to hydraulically engage the clutch. Is it normal that the sensor axis rotate 360 without stopper at min max inside of it?
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    Control valve PC300-5 vs PC400-5

    The entire valve
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    Control valve PC300-5 vs PC400-5

    Can the main control valve of the komatsu PC300-5 be used on the PC400-5
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    O&K L6-4

    I dont know what model would be the same. I am interested in the hydrostatic drive system. I wanted to know the max relief pressure settings on the pump so I can protect the machine drive train. I am not sure if for this size (almost 5800Kg) a 420 bar is an acceptable pressure
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    O&K L6-4

    Anyone can share O&K L6-4 F series wheel loader repair manual
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    Komatsu PC200 Lc-8 hydraulic hoses keep bursting

    Check hydraulic oil temperature if high, 80 degree C or above
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    Pc360lc-10 final drive slop

    Compensator allow to use more than one actuator at the same time. Compensators are located on the main control valve close to each pilot cap toward the outlet (two for each spool). If you are familiar with CLSS system, you have to do the necessary testing to decide if the problem comes from...
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    Pc360lc-10 final drive slop

    The main carrier (4 gear planetary) is static. It is mounted on the motor body and mesh with teeth, try to rotate the carrier cw and ccw to check for backlash. As the cover is removed, remove the sun gear and test the machine like you did in the video and check if the motor output is...
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    Pc360lc-10 final drive slop

    Remove the final drive oil plug and check the magnet and the oil color. When removing the cover check the play of the main (1st stage) carrier
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    Pilot pressure too high

    Hydraulic pump
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    Pilot pressure too high

    The sprv has a return line TS, try to disconnect this line and check if it leaks while testing. Did you remove the divider valve? Make sure the sequence valve didnt fall, in this case high pressure can get into prv pressure
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