Page 9 - Driving Commercial Vehicles Manual
P. 9
Chapter 5: skills for driving trucks and trailers ............................................ 75
What you’ll learn............................................................................................. 75
Driving with a trailer ...................................................................................... 75
Backing up .................................................................................................... 75
Towing trailers............................................................................................... 76
Towing doubles ............................................................................................ 76
Swerving and whipping ................................................................................ 77
Parking .......................................................................................................... 78
Preparing to tow ........................................................................................... 78
Coupling and uncoupling ........................................................................... 78
Coupling with a fifth wheel ..................................................................... 78
Uncoupling units ..................................................................................... 83
Other types of connections .......................................................................... 85
Coupling with a pintle hitch .................................................................... 85
Uncoupling pintle hitch units .................................................................. 88
Loading ............................................................................................................ 89
Loading cargo............................................................................................... 89
Arranging and distributing loads ........................................................... 90
Securing cargo .............................................................................................. 92
General cargo securement requirements .................................................... 92
General requirements for tiedowns ........................................................ 93
Number of tiedowns ............................................................................... 93
Strength of tiedowns ............................................................................... 95
Determining working load limit .............................................................. 95
Chain connector links .............................................................................. 95
Front-end structures .............................................................................. 100
Load projections.................................................................................... 101
Specific cargo types ................................................................................... 102
Logs ....................................................................................................... 102
Building products .................................................................................. 103
Metal coils ............................................................................................. 104
Paper rolls .............................................................................................. 105
Concrete pipe ....................................................................................... 105
Intermodal containers ........................................................................... 105
Vehicles as cargo ................................................................................... 106
Roll-on/roll-off and hook-lift containers ................................................ 106
Boulders ................................................................................................ 107
Livestock ................................................................................................ 107
Hanging meat ...................................................................................... 107
Liquid or dry bulk tank loads................................................................. 107
Transporting dangerous goods .................................................................. 108
Vehicle and load dimensions ..................................................................... 109
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