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Loading  Equipment
Figure  7-33.Symmetrical  tie-down  pattern.

Equipment Operator Basic - Beginning construction equipment operators manual
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Figure  7-31.—Loading  crawler  equipment  using  blocks. CAUTION Using a tilt-bed trailer in damp or wet con- ditions  is  extremely  dangerous  and  can  cause uncontrollable  sliding  of  equipment  off  the trailer during loading and unloading operations. DETACHABLE   GOOSENECK   TRAILER.— Detachable gooseneck trailers are designed so when the gooseneck is detached you can load a machine from the front without any ramps or tilting of the deck at the balance  point. The  gooseneck  and  frame  are  held  together  in alignment  by  removable  pins  or  safety  locks.  Removing or releasing the pins or safety locks and disconnecting the brake and electrical lines, the two units are lowered to the ground by a hydraulic jack in the gooseneck or by a  line  from  a  winch  mounted  on  the  tractor.  The gooseneck is then detached from the frame and carried or dragged a short distance by the tractor. Ramps are flipped over to rest on the ground, and the  equipment  is  driven  up  onto  the  trailer.  The gooseneck is backed into place, attached, lifted, and locked.  The  brake  and  electrical  line  are  reconnected, and the ramps are folded onto the deck of the trailer. You can also load from the rear, like a regular low-bed trailer. Before you operate this type of trailer, read and understand the operator’s manual. These trailers have low ground clearance, so take extreme care when crossing any high point in the roadway, such as railroad  tracks,  speed  bumps,  and  dips. Securing  Cargo Regardless of what type of truck you are operating, material you are hauling, or how far you are hauling it, your load must be secure from falling or shifting. When a load shifts, the weight of the load has moved also. This could cause an axle to be overloaded and mechanical failure to occur. Certain conditions can cause cargo being trans- ported to shift; however, almost all cargo movement can be  controlled  with  the  use  of  proper  blocking  and bracing. Blocking is used in the front, back, and/or sides of a piece of cargo to keep it from sliding. Blocking Figure 7-32.—Tilt-bed trailer with bed in the tilt position. 7-27







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