joemac Posted April 7, 2014 Share Posted April 7, 2014 An interesting item that nets precious little info on the interwebz is the A&W Pressure Computer. It's a nifty little add-on that quickly computes the settings on the pump to arrive at a given quantity according to the chosen parameters.I've only found an ad for the computer on eBay.The Oreland pumper I'm hoping to acquire has one mounted on the pump panel and if I remember correctly (hey, it happens!), it's back-lit.The first photo shows it mounted to the upper right-hand corner of the pump panel. Quote Link to comment https://www.bigmacktrucks.com/topic/35328-aw-pressure-computer/ Share on other sites More sharing options...
fxfymn Posted April 8, 2014 Share Posted April 8, 2014 You don't see them because most drivers just ran the pressure up until "it feels right". Hydraulics was for nerds and paid guys who had to pass a promotional exam. Quote Money, sex, and fire; everybody thinks everyone else is getting more than they are! Link to comment https://www.bigmacktrucks.com/topic/35328-aw-pressure-computer/#findComment-241131 Share on other sites More sharing options...
Popular Post bulldogboy Posted April 8, 2014 Popular Post Share Posted April 8, 2014 You gave them enough pressure until the nozzle man came off the ground and then you backed offa little. Friction loss was calculated on 5 pounds per year that you were on the job. Somehow it allworked out. We only had an incoming pressure gauge and one pump pressure gauge. We had towait for the new fangled "CF"s to get individual gauges. bulldogboy 3 Quote Link to comment https://www.bigmacktrucks.com/topic/35328-aw-pressure-computer/#findComment-241158 Share on other sites More sharing options...
609albert Posted April 9, 2014 Share Posted April 9, 2014 which pumper is Oreland selling? not the mack..... Quote Link to comment https://www.bigmacktrucks.com/topic/35328-aw-pressure-computer/#findComment-241273 Share on other sites More sharing options...
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