lFigure 7-16.—Trailer kingpin.Go under the trailer and look into the back of thefifth wheel. Ensure the fifth wheel locking jawshave closed around the shank of the kingpin(fig. 7-16).llCheck that the locking lever pin is in the “lock”position (fig. 7-17).Ensure the safety catch is in position over thelocking lever pin (if so equipped).Step 12. Connect the electrical cord and check airllllinesPlug the electrical cord into the trailer (fig. 7-18)and fasten the safety catch.Inspect both air lines and electrical lines for signsof damage.Ensure air and electrical lines do not contact anymoving parts of the vehicle.Step 13. Raise landing gearlllUse the low gear (if so equipped) to begin raisingthe landing gear. Once free of weight, switch tothe high gear range.Raise the landing gear all the way up. Drivingwith the landing gear part way up is not a goodpractice because it may catch on railroad tracksor other obstacles.Secure the crank handle safely after the landinggear is raised.Figure 7-17.—Locked fifth wheel.7-16
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