Question about Robinair Cool Tech 34700Z Recovery, Recycling, Recharging

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I have a robinair 34700zasking me if i wanna change the oil nowhow do i do that and what type of oil i need to use?....ty

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You have run the machine 10+ hours for vacuum since last oil change. so you have to change vacuum pump oil. For change vacuum pump oil just follow the bellow step: Press main menu then keep pressing up or down arrow key till display show "CHANGE VACUUM OIL'' then press "YES" key. Now vacuum pmp will run for two minute & stop automaticly. When pump stop you just open the oil drain plug & oil fill cap of vacuum pump ( Located oute side of the machine near high & low side hose ) & drain all oil from vacuum pump. After draining used oil,replace oil drain plug & fill new ROBINAIR vacuum pump oil till middel of sight glass.Press "YES" key & follow on screen messeage. NOTE: Do not over fill the pump & Do not use any COMPRESSOR oil on the vacuum pump!
Hope this will help you & if it is please vote for my support.

Posted on Jul 23, 2010

  • Imporcom Amarillas
    Imporcom Amarillas Aug 15, 2017

    Hi Hassan, we have a robinair 34788 and i try to change the oil on the vacuum pump, i follow the instructions but on the screen says
    VACUUM OIL CHANGE
    CLEARING UNIT

    and stays like that forever.
    After an hour or so i just shut the machine off.
    Hope you can help me.
    Thank you

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Posted on Jan 02, 2017

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For change vacuum pump oil follow the bellow step: Press main menu then keep pressing up or down arrow key till display show "CHANGE VACUUM OIL" then press "YES" key. Now vacuum pump will run for two minute & stop automatically. When pump stop you just open the oil drain cap and drain all used oil from pump (oil drain cap located outside of the machine near high & low side hose). After draining all used oil replace oil drain cap and fill 5 ounce new ROBINAIR vacuum pump oil then press "YES" key and keep filling oil up to middle of sight glass of vacuum pump. Press "STOP" key to complete the process.

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