TUBE 7B0228 - Caterpillar

A raised body (bed) may fall unexpectedly and without warning resulting in personal injury or death.When it is necessary to work under the truck with the body (bed) raised, install the body (bed) retaining pins through the pin bores in the frame and the retaining brackets on the body.
Park the machine on a level surface. Make sure that the transmission control is in the PARK position.
Raise the body to the fully raised position and install the body retaining pins. For the proper procedure, refer to Operation and Maintenance Manual, "Body Retaining Pin".
Stop the engine.
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Clean the body support pads with high pressure water or steam. If damage is found, consult your Caterpillar dealer for specific repair procedures.
Visually inspect each of the body support pads. Compare all the body support pads. If the inspection indicates uneven wear of the body support pads, you may need to readjust the shims. Also, if the paint on the frame indicates uneven wear, you may need to readjust the shims. If the body support pads are shimmed correctly, review your loading operation. Note: Proper installation of the body support pads will effectively balance the load weight. If the body support pads indicate uneven wear, readjusting the shims may correct the problem. Also, if the paint on the frame indicates uneven wear, readjusting the shims may correct the problem.
Remove the body retaining pins and lower the body. For the proper procedure, refer to Operation and Maintenance Manual, "Body Retaining Pin".