I do heavy haul so I'm permitted up to 105,500 here in the PNW. Slight decline meaning just enough to get the water to drain down to the other side of the lot. I'm going to buy something small that can hold down the throttle.
Truck idle and using the air brakes
Discussion in 'Questions From New Drivers' started by paccarmike, Jun 4, 2021.
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Bumping the idle with the cruise to 8-900 should be done any time you leave the truck to begin with, that may bypass the idle shut down
if it does not, there’s plenty of other companies out thereFarmerbob1 and RockinChair Thank this. -
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The trailer brakes will be fine holding the unit in place. If you don't trust them set the trailer brakes and try to pull the trailer with the truck. If it moves without skidding tires take it to a shop. I don't anyone who engages all the brakes all the time regardless of the slope they park on.
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DEF gets injected after the DPF.
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If I am right, there is BOTH a injector before the filters, and a flat pan holding more DEF inside the DPF filter assembly box. -
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There's actually 3 different catalysts in the aftertreatment. DEF is injected after the DPF and into the SCR. The DOC is first and is what gets dosed with fuel during a regen, which creates the heat needed to clean the DPF.
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800 to 900 RPM with no load is not going to make enough heat to clean filters, so you are pushing 33 to 50% more exhaust through the filters, generating 33 to 50% more gunk overnight. -
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I'd comb through the operator's manual to ensure I was operating the controls for the opti-idle correctly. I drive a Volvo, the controls in the sleeper berth are 'weird' and it takes a bit to understand how to get it all to work OK. However, I don't even have an opti-idle capability. I did eventually find how to cancel the idle shut off and if I really need to, I shut off the idle cancel and let that puppy run. On occasion I get fussed at for high idle times. But, I try diligently to keep idle usage down whe it is feasible. But, if I gotta get some sleep and the only way to do that comfortably is cancel the idle cutoff, I shut it down and let the truck run. It is imperative I get restful sleep to be safe. I can't get restful sleep when my sleeper cab is at 90 degrees or at 40 degrees (I do have a bunk heater that works really well and will keep sleeper berth comfy when it's as low as like zero outside).
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