Minimizing Frame Service Description for Chevrolet Chevy P12 Chassis 1998
Reducing the concentration of stress in the small areas of
the frame may often minimize or reduce the occurrence of frame failure. The
following information may assist in such a reduction:
| • | Use particular vehicles only for the purpose for which they were
designed. |
| - | Do not overload the vehicle. |
| - | Load the vehicle evenly. |
| - | Avoid any localized overloading. |
| - | Do not operate the vehicle on any extremely rough terrain. |
| • | Adhere to the following recommendations when repairing a frame
and when mounting a body, or any other equipment, onto a frame: |
| - | Avoid any sudden changes in the section modulus. |
| - | Do not drill any holes in the frame rail flanges. |
| - | Space the holes in the web section of the rail at least 13 mm
(0.5 in) apart. |
| - | Use existing holes whenever it is possible. |
| - | Do not cut the holes with a torch. |
| - | Do not cut any notches in the rails. |
| - | Do not weld on the flanges. |
| - | Do not allow more than four holes to exist on the same vertical
line of the web. |
| - | Place any hole in a reinforcement at least two times the material
thickness away from the edge of the reinforcement. |