Electric lines from the tractor to trailer.
Air and electric lines from the tractor to the trailer should be.
When driving a set of doubles it is necessary to close which shut off valve in the last trailer.
A the kingpin is about 1 inches above the fifth wheel.
Red green and blue.
The electrical service cable.
Air and electric lines from the tractor to the trailer should be.
Air and electrical lines from the tractor to the trailer should be.
Service and emergency air lines from the truck to the trailer.
The emergency and service air lines.
These factors include the lead length whether straight air lines or coiled assemblies are being used the type of airline suspension method and the positioning of the tractor trailer when taking measurements.
Secured but with enough slack for turns.
Service and emergency air lines from the vehicle to the trailer.
Two air lines extend from the back of the tractor one is red and one is blue.
When uncoupling a trailer after you have shut off the trailer air supply and locked the trailer brakes you should.
The green line is the electrical line.
Air and electric lines from the tractor to the trailer should be.
A electric lines from the tractor to the trailer b kingpin from the trailer to the locking jaws of the fifth wheel c service and emergency air lines from the vehicle to the trailer 43 you are about to back your tractor under a semitrailer.
The red line is the air line for the trailer s emergency brake.
The electrical and air lines need to be connected and the landing gear needs to be raised all the way up.
Kingpin from the trailer to the locking jaws of the fifth wheel.
All of the above.
Air and electrical lines.
According to sae j702 the tractor connections on newer vehicles must be mounted low to allow easier access.
On the back of the truck on the driver side there are 3 lines.
20 and 45 psi when inspecting multiple trailers you should check for the proper position of the shut off valves for the service and emergency lines.
The trailer is at the right height when.
The trailer air supply control also called the tractor protection control valve should automatically close when the air pressure falls to between.
Secured but with enough slack for turns.
Look for the air line couplers on the tractor and trailer.
Kingpin from the trailer to the locking jaws of the fifth wheel.
Secured but with enough slack for turns.
Pulled tight with very little slack.
Electric lines from the tractor to trailer.