What do you use the trolley valve for?

Discussion in 'Experienced Truckers' Advice' started by expedite_it, Dec 5, 2021.

  1. JolliRoger

    JolliRoger Road Train Member

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    Agree if, it is "my" (regular) trailer and I adjust my own brakes.
     
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  3. TripleSix

    TripleSix God of Roads

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    Winner.
    There are some trailers, like the stretch trailers and the beam trailers that you can’t even get underneath to hook up without the trolley valve.
     
  4. okiedokie

    okiedokie Road Train Member

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    Is there any other way. I do not drive trucks without my personal attention to details. No short cuts.
     
  5. MACK E-6

    MACK E-6 Moderator Staff Member

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    There is no other way to fully charge the air system on a set of doubles so you can check for air all the way through to the back on both sides, than with the trolley valve.
     
  6. okiedokie

    okiedokie Road Train Member

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    Ditto on triples.
     
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  7. azheavyduty

    azheavyduty Light Load Member

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    If it is your truck and someone else's trailer, you only use the trolley valve. Amazing how long your brakes will last.
     
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  8. JolliRoger

    JolliRoger Road Train Member

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    Cool, in difficult times. Gotta make it where you can, inconvenient or not.
     
  9. expedite_it

    expedite_it Road Train Member

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    If the parking spring brakes on a trailer work properly, doesn't that mean that the service brakes on the trailer work properly?
     
  10. jamespmack

    jamespmack Road Train Member

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    Till you have a trailer that won't. You have more brake force on the service side than parking.
     
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  11. expedite_it

    expedite_it Road Train Member

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    What the heck is a stretch trailer? Is that one of those trailers where the ceiling of the trailer is made out of canvas or some type of cloth?
     
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