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Table of Contents 3.5.1.3 Additional Information on Light Truck Tires .............................. 49 Tire Safety Tips ............................................................................................ 50 4 COUPLING TO THE TOW VEHICLE ............................................... 52 4.1 Use an Adequate Tow Vehicle and Hitch ............................................. 52 Trailer Information ........................................................................................ 52 Tow Vehicle .................................................................................................. 53 4.2 Coupling and Uncoupling the Trailer .................................................... 54 Various Coupler Designs .............................................................................. 55 4.3 Bumper Pull Trailers ............................................................................ 56 Couplers Open/Closed ................................................................................. 56 Trailer with Ball Hitch Coupler ...................................................................... 56 4.3.1.1 Before Coupling The Trailer To The Tow Vehicle ..................... 57 4.3.1.2 Prepare The Coupler And Hitch................................................ 58 4.3.1.3 Couple The Trailer To The Tow Vehicle ................................... 58 Trailer with Ring and Pintle Coupler ............................................................. 59 4.3.1.4 Before Coupling The Trailer To The Tow Vehicle ..................... 60 4.3.1.5 Prepare The Ring and Pintle .................................................... 61 4.3.1.6 Couple The Trailer To The Tow Vehicle ................................... 61 Connect Safety Chains – Bumper Pull Trailer .............................................. 62 Connect The Electrical Cable – Bumper Pull Trailers................................... 63 Attach Breakaway Brake Lanyard – Bumper Pull Trailers ............................ 63 4.3.1.7 Test Electric Brakes .................................................................. 64 4.3.1.8 Test Electric Breakaway Brakes ............................................... 64 4.3.1.9 Test Surge Brakes (If equipped) ............................................... 65 4.3.1.10 Test Surge Brake Breakaway System ...................................... 67 Uncoupling A Bumper Pull Trailer ................................................................ 67 4.4 Gooseneck Trailer With Ball Receiver ................................................. 68 Before Coupling The Trailer To The Tow Vehicle ........................................ 69 Prepare The Ball And Receiver .................................................................... 70 Couple The Trailer To The Tow Vehicle ....................................................... 71 Connect The Safety Chains ......................................................................... 71 Connect The Electrical Cable ....................................................................... 72 Attach Breakaway Brake Lanyard ................................................................ 73 4.4.1.1 Test Electric Brakes .................................................................. 74 4.4.1.2 Test Electric Breakaway Brakes ............................................... 74 Uncoupling Gooseneck Trailer With Ball Coupler ........................................ 75 4.5 Tongue Weight ..................................................................................... 77 Checking Tongue Weight ............................................................................. 78 4.6 Adjust Bumper Pull Trailer Hitch Height ............................................... 79 4.7 Adjust Gooseneck Coupler Height ....................................................... 80 5 LOADING AND UNLOADING A DUMP TRAILER .......................... 82 5.1 Hazards For Dump Trailers .................................................................. 82 5.2 Ramp Weights ..................................................................................... 84 5.3 Loading Fixed Loads ............................................................................ 84 Rear Loading Equipment .............................................................................. 85 6’ HD Hydraulic Ramp Gate ......................................................................... 88 5.3.1.1 Towing Operation ..................................................................... 89 5.3.1.2 Ramp Operation ....................................................................... 89 2


20558CB
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