Get the Dolly in Pplace

• 1). If the dolly can be moved manually, release the dolly brakes (open the dolly air tank petcock, or, if it has spring brakes, release the dolly parking brake control) and go to Step 9
  
  
• 2). If the dolly cannot be moved manually, perform the steps below to connect the dolly to the end of the lead trailer.
  
  
• 3). Drive the tractor-trailer near the dolly.
  
  
• 4). Attach the dolly's hitch eye through the lead trailer's pintle hook and lock it.
  
  
• 5). Raise the dolly support and secure it.
  
  
• 6). Drive the vehicle in front of the rear trailer.
  
  
• 7). Lower the dolly support.
  
  
• 8). Unlock the pintle hook and detach the dolly's hitch eye from the lead trailer's pintle hook.
  
  
• 9). Roll the dolly toward the front of the rear trailer, leaving it so that the dolly's fifth wheel "mouth" is directly in front of the trailer's kingpin.
  
  

Hitch the Dolly to the Lead Trailer

• 1). Drive the tractor-trailer near the dolly.
  
  
• 2). Attach the dolly's hitch eye through the lead trailer's pintle hook and lock it.
  
  
• 3). Raise the dolly support and secure it.
  
  
• 4). Verify the rear trailer's brakes are locked or its wheels are chocked.
  
  

Push the Dolly Uunder the Rear Ttrailer

• 1). Slowly back straight up until you feel the dolly fifth wheel touch the front of rear trailer. Check that the trailer is slightly lower than the middle of the dolly's fifth wheel.
  
  
• 2). Back the dolly under the rear trailer until you hear the fifth wheel snap into the rear trailer's kingpin.
  
  
• 3). Verify the dolly's fifth wheel latch is "in" (i.e., close to the fifth wheel) and that the locking jaws are clamped on the base (not the top) of the kingpin.
  
  
• 4). Raise rear trailer landing gear slightly off the ground.
  
  

Verify Your Fifth Wheel, Air and Eelectrical connections

• 1). Try to drive the tractor-trailer forward, the chocks should keep the rear trailer in place.
  
  
• 2). Verify the dolly is still under the rear trailer.
  
  
• 3). Connect the dolly's safety chains, air hoses and electrical lines to rear of lead trailer and front of rear trailer.
  
  
• 4). Close the dolly's air tank petcock.
  
  
• 5). Close the shut-off valves at end of the second trailer.
  
  
• 6). Open the shut-off valves at end of the lead trailer. If dolly has a shut-off valve, open it as well.
  
  
• 7). Put the rear trailer landing gear all the way up.
  
  
• 8). In the cab, push in the trailer brake ("Ttrailer Air Supply" button). This should send air through both trailers.
  
  
• 9). Open the emergency line shut-off at the end of the rear trailer. If there is no air pressure, do not drive the vehicle -- there is a problem with the air supply. Otherwise, close the rear trailer shut-off.
  
  
• 10
  
  Turn on all lights and verify they work on all trailers.
  
  
• 11
  
  Pick up the rear trailer chocks and go.