proper use of divider lock, spike, engine brakes

Discussion in 'Experienced Truckers' Advice' started by mentality, Nov 27, 2007.

  1. Semi Crazy

    Semi Crazy Road Train Member

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    Unless you have chains mounted, you can't safely drive on ice, period. I had truck slide on level lot (except for drainage pitch) that I parked and set brakes and got out. Thing kept sliding sideways! Once it hit the grass it stopped.
     
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  3. Hammer166

    Hammer166 Crusty Information Officer

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    ~8600+' and loving it!
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    It's a little more complicated than that..It's not that the sliding wheel is going faster, it's that it has no lateral traction. If you grab the trailer brake while you're on the throttle, the trailer will step out, and slide downslope, but it won't pass the tractor. But if the tractor is decelerating? Hello, jackknife!

    Dang! Some of these squaddies do know what they're talking about!:biggrin_25522:
     
  4. driverjoe

    driverjoe Light Load Member

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    Feb 28, 2010
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    Why not use Jake on ice? Think about it. Your pulling the trailer this fwd motion is putting fwd pressure on the trailer king pin keeping it straight. Ok now u have the Jake on, it slows the tractor and removes that fwd pressure because your trailer has not yet slowed. To understand it make a fist with your right hand and grip the top of your fist with your left, now pull fwd or push back. The king pin momentarily floats in the fifth wheel when the tractor slows and the trailer dosent. This loss of fwd pull on the king pin can cause your trailer to become unstable and possibly jack knife. A good rule is jake and cruise are dry road tools.
     
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