Running Doubles

Topic 31237 | Page 3

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G-Town's Comment
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Anne inquired about the dolly safety chains. Here are a couple of pics showing the chains and hooks. Word to the wise don’t drop these on your feet.

0719288001640018806.jpg

Here they are both chains attached to the hanger in a crossing pattern forming a cradle to catch (theoretical) the tongue of the dolly enabling a controlled landing in the event of a pintle hook failure. I pray I never need to deal with this.

0186867001640018974.jpg

Electrical and air connections complete.

0892634001640019143.jpg

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Buttoned up and ready to roll.

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Tonight I have two empties going back to the DC so I will photograph the additional steps required to string together the doubles set.

Doubles:

Refers to pulling two trailers at the same time, otherwise known as "pups" or "pup trailers" because they're only about 28 feet long. However there are some states that allow doubles that are each 48 feet in length.

OWI:

Operating While Intoxicated

PackRat's Comment
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Is there ever a problem with excessive ice buildup on the lines between the two trailers, ie pulling these apart?

G-Town's Comment
member avatar

Haven’t been at it long enough to answer that factually. My guess? Yes. I’ll defer to Banks and Bobcat (others) to offer something more definitive.

I do carry exterior grade duct tape to better secure connections. Similar to what the railroads do to secure their air runs the entire length of their train.

Is there ever a problem with excessive ice buildup on the lines between the two trailers, ie pulling these apart?

Anne A. (G13Momcat)'s Comment
member avatar

Good GAWSH!! Those hooks are MASSIVE! (Yeah, that would HURT the foot(s)!)

G', I gotta THANK YOU, TONS! . That's exactly what I never knew...nor could comprehend. WOW!!

Thank you, good sir. This is what the 'Dr.' ordered! We've never HAD this in here!!!

TYSM. Keep 'em coming!

~ Anne ~

HOS:

Hours Of Service

HOS refers to the logbook hours of service regulations.
Banks's Comment
member avatar

Is there ever a problem with excessive ice buildup on the lines between the two trailers, ie pulling these apart?

I've only experienced ice build up on the electrical plug. I had to scrap it off with a knife and it still wouldn't enter the socket. I got frustrated and decided to grab my another dolly. In my frustration and haste, I ended up dropping the rear trailer without dropping the landing gear. To my surprise, management was pretty understanding about it.

Word to the wise don’t drop these on your feet.

A little late with this advice, for me rofl-3.gif

Bobcat_Bob's Comment
member avatar
I’ll defer to Banks and Bobcat (others) to offer something more definitive.

Yes, you will get a built up of ice and slush between there.

We don't have those big hooks on our dollies, we have a chain that loops through the trailer and hooks back onto the the dolly.

Also that dolly looks to be a lot longer than ours our, probably to allow for extra room for the lift gate and refer. We don't have that leg on the front either ours sit on the ground then you lift them up and set them on the pintle hook.

Good picks G, I'm always curious how other companies do it.

HOS:

Hours Of Service

HOS refers to the logbook hours of service regulations.
Rhino's Comment
member avatar

When I was in Denver and slc i never experienced any ice build up on them guess I just got lucky. Luckily I won’t have to deal with that very much as I live in Vegas n we don’t get that cold lol

Is there ever a problem with excessive ice buildup on the lines between the two trailers, ie pulling these apart?

James H.'s Comment
member avatar

Is there ever a problem with excessive ice buildup on the lines between the two trailers, ie pulling these apart?

Just to be precise, there are two sets of airlines, one from the lead trailer to the dolly, and another from the dolly to the kite (what we call the rear trailer). There's a single electric line that goes from trailer to trailer, although you plug it into the dolly to activate its lights if there's no trailer behind it.

Banks's Comment
member avatar

double-quotes-start.png

Is there ever a problem with excessive ice buildup on the lines between the two trailers, ie pulling these apart?

double-quotes-end.png

Just to be precise, there are two sets of airlines, one from the lead trailer to the dolly, and another from the dolly to the kite (what we call the rear trailer). There's a single electric line that goes from trailer to trailer, although you plug it into the dolly to activate its lights if there's no trailer behind it.

Not on ours. The dolly has 2 electrical lines at FedEx freight. One to connect to the lead and the other connects to the tail.

G-Town's Comment
member avatar

Yes, otherwise ABS and rear lights are disabled if it’s trailer to trailer electrical connection.

There are definitely two sets of airlines, thank you for pointing that out. Since I was running only the dolly, the airlines normally attached to the second unit were stowed on the gladhand hanger on top of the dolly.

0019345001640031594.jpg

double-quotes-start.png

double-quotes-start.png

double-quotes-start.png

Is there ever a problem with excessive ice buildup on the lines between the two trailers, ie pulling these apart?

double-quotes-end.png

double-quotes-end.png

Just to be precise, there are two sets of airlines, one from the lead trailer to the dolly, and another from the dolly to the kite (what we call the rear trailer). There's a single electric line that goes from trailer to trailer, although you plug it into the dolly to activate its lights if there's no trailer behind it.

double-quotes-end.png

Not on ours. The dolly has 2 electrical lines at FedEx freight. One to connect to the lead and the other connects to the tail.

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