Condition
| Action
|
Loads greater than the frame is designed to
carry causes sag.
| Straighten and reinforce the frame. Refer to
Frame Straightening Description
.
|
Uneven load distribution
causes sag.
|
Abrupt changes in the section modulus.
|
Improper body, or accessory mounting,
which may include the following:
| • | Holes drilled in the flange of the frame rail |
| • | Too many holes in the web section of the rail |
| • | Holes in the web section which are too close to each other |
| • | Four or more holes in the same vertical line of the rail web |
| • | Welds on the flange, particularly across the flange or along its
edge |
| • | Cutting holes in the rail with a torch |
| • | Cutting notches anywhere on the rails |
|
A collision involving
the vehicle causes the following conditions:
|
The use of equipment for which the frame has
not been designed or reinforced causes the following conditions:
|
