To ensure that safety is a main concern, there are 5 important steps. In order to make certain that the model is visually safe, the initial step is to perform a Walk-Around Inspection. Next assess if the work location is safe to use with a Worksite Assessment. The Function Test is the third step so as to know whether or not the model is safely functioning. The 4th thing to consider is Proper Operation, so as to know whether or not the unit is safely working. Last of all, Proper Shutdown should be checked so as to make sure the model is in a safe place and is capable of shutting down correctly.
There is a machinery that lifts heavy weights to impressive heights upon a triangular footprint at the center of the 5 steps and this regulation. The main goal is to be able to keep the telehandler upright, but of course there are risks.
The rear-axle pivot point, and the two front wheels make up the telehandler's triangular base. Normally the rear axle oscillates and therefore, the back wheels are not a part of the base. The telehandler remains upright so long as the machine's center of gravity, that is defined as the point in 3 dimensions around which the weight of the machine is balanced, stays oriented inside the stability triangle.
When the boom is down, adding a load to the forks at that time changes the center of gravity down and forward. Lifting the load would move the center of gravity to the rear and upwards. At the same time, when this occurs, the stability triangle shrinks. Therefore, the higher you lift a load, the less of a margin for error you have because the stability triangle lessens.
When the stability triangle is small, it leaves less room for the center of gravity to move left or right. It is this wandering action that could change the stability triangle and leave less room for the frame to remain balanced if it is not completely level. Like for example, imagine the center of gravity resembling a plumb bob hanging from the boom. You will always be able to find the center of gravity someplace on a totally vertical line between a point on the boom and the center of the ground. If the frame is not level, the center of gravity would not be oriented over the centerline of the machine. The stability triangle is always aligned with the machine's centerline.