1. #1
    1500chief@sbcglobal.net's Avatar
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    Default Electric vs. Air

    Working on specs for a new tanker. Anybody have any advice about electric vs. air operated dump vavles. We want controls both at the vavle and in the cab. We also want power assisted extension chutes. I am thinking that the electric would be best. Would there would be any advantage to using air? Thanks for any advice.

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    I prefer Air.

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    Neither electric fails either way open or closed and air freezes or over time can create leaks. Save yourself some money and headaches and just go with the manual dumps.

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    Quote Originally Posted by TRUCK61 View Post
    Neither electric fails either way open or closed and air freezes or over time can create leaks. Save yourself some money and headaches and just go with the manual dumps.
    Sounds like poor maintenance to me.
    "Loyalty Above all Else. Except Honor."

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    Quote Originally Posted by FWDbuff View Post
    Sounds like poor maintenance to me.
    I 2nd that.

    I always prefer air over electric. Air has no fuses to burn, no relays to fail. Keep the air feeding it clean and dry, periodically lube the air cylinders (according to OEM recommendations) and the mechanical components they push or pull on, and it should serve you well for many many years.
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    Out of the two I would choose electric. Much better control over the valves than with air. Easier to work on and if set up correctly you can just pull a pin and move the valve with a manual lever in case of failure, plus the lever can be used as an indicator of the valves position.

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    We have several with manual dump valves and extensions. Reason is because if it is going to be used, it usually comes out all the way, and it dumps now. The biggest thing on the manual side of everything is the maintenance of it. It has to be kept CLEAN, and LIGHTLY lubricated.

    As for either electric or air driven, you get what you get by your maintenance of it. If given the choice of one or the other, I would have to air (no pun intended), on using air over electrical. There are too many problems that can wreak havoc on the electrical side, compared to the air operated system.

    JMHO

    FM1
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    Many of your air systems are electric over air so there goes that theory. UNLESS its manual,plan on the occasional failure. T.C.

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    Water and electronics; enough said.

    Air problems will creep up later on.

    C6

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    Biggest problem with air is moisture. Which alcohol evaporators and dryers do a pretty good job with. MODERN electric/air solenoid valves are pretty reliable too but NOT completely bulletproof. T.C.

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    We have air operated chute extensions with electric dump valves no problems with either in th elast 10 years.

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