Then the left bolts and nuts are mounted very carefully. Later you have to test the pin height which is about ½” the settings of the factory. Step 10: Confirming the Pin Height and Resetting the Left Bolts Open the hitch of the truck and forward the truck. Then you will center the hole and put at least one bolt on the right side and one bolt on the left side at different points by using a screwdriver or adrift or centered pine. Step 9: Installing the Bolts and Unlocking the Hitch of the Truck Furthermore, you will stir your truck up and down to line the holes up and down in front of it. Line up the pin box to the mounting plate with the help of your assistant. You need to put your truck then below the trailer. Step 8: Come-back Your Truck underneath the Trailer You should put a spacer block under the back of the pin box so that it can be installed. You have to remove from the hitch the factory pin box and add the new one. In this step, you get to know how to replace 5th wheel pin box. Step 7: Removal of Factory Pin Box and Replace by New Pin Box You may wish the bed to be covered by a piece of wood. The back of the pin box falls to the truck’s bottom. Then pull the truck back until the trailer is clear from the pin plate. You can do this work by raising the trailer from 2-3 inches conducting the landing gear on the fifth wheel. Step 6: Removal of Remaining 2 BoltsĪfter that, you need to displace the last two bolts. The fifth wheel turns or pivots on the hitch while a truck is tugging with a regular kingpin. Then back to the fifth wheel with your tow vehicle and catch the truck. You should leave a left side bolt to the front and a right side bolt to the back. Take away all bolts except 2 that secure the pin box to the frame of the 5th wheel. Step 4: Removing All Bolts Accept the Last Two You will displace any things that are connected to the pin box such as any exterior light turn brake shudder, lube plate, power card box, etc. Step 3: Removal of Extra Substances on the Factory Pin Box

Some boxes of telescopic pins require 1-2 holes to be drilled again. You’ll want the pin box device to be remounted in the same hole setup. Then you have to identify the location of the factory pin box bolt hole. Step 2: Determination of Bolt Hole Location on the Factory Pin Box The ride height of a suspension is specified as the distance from the mounting surface of the suspension (the trailer at the bottom) to the axle center air spring in the air. Step 1: Measuring the Height of the Kingpinįor the process, at first, you need to take fifth wheel pin box measurements of the kingpin height on both sides of the kingpin from the ground to its mounting plate. Here you can follow the adjustment process of the pin box step by step. Besides, the people use some hammer and short bottle jack for completing the work smoothly.

exterior light, power cord boxes, impact wrench, ratchet, tape measure, and a few brakes away stitches. If there is a set of holes available at the surface of the pin box tower, you can take that pathway.įor doing the process, you require some basic tools like Sockets, drift, torque wrench capable of 300 ft. When lowering the pin box at the front would raise the height of the fifth wheel. For that, you should know how to lower 5th wheel pin box and this process is given in underneath steps. According to the height, they raise and lower the pin box set. When someone is going to adjust their pin box on the fifth wheel, at first they need to think how much the height will be of the pin box. Hence, read the process for solving your problems. In our article, we have provided the steps on how to adjust pin box on fifth wheel.

Its main attribute is structural integrity, which provides a clear link between the trailer frame and the kingpin. The key function of the pin box is to place the kingpin box concerning the front of the fifth-wheel trailer at a certain position and angle. That’s why you need to know how to adjust a pin box. Without a proper setting, the overall balance of the fifth wheel can’t be maintained. You may be facing a problem adjusting the pin box on your fifth wheel.

Morryde 5th wheel pin box