To make sure that safety is a main concern, there are 5 key steps. In order to ensure that the model is visually safe, the initial step is to perform a Walk-Around Inspection. After that assess if the worksite is safe to utilize with a Worksite Assessment. The Function Test is the third step in order to determine whether or not the unit is working in a safe manner. The 4th thing to take into consideration is Proper Operation, so as to know whether or not the model is working safely. Last of all, Proper Shutdown has to be checked so as to make certain the unit is capable of shutting down correctly and is in a safe place.
At the center of the 5 steps and this regulation, there is a machinery that lifts heavy weights to impressive heights and stands on a triangular footprint. The key goal is to be able to keep the telehandler upright, but of course there are risks.
The triangular base of the telehandler comprises the rear-axle pivot point and the two front wheels. The rear axles normally oscillates, hence the back wheels are not considered part of the base. The telehandler remains upright so long as the equipment's center of gravity, that is defined as the point in 3 dimensions around which the machine's weight is balanced, stays oriented in the stability triangle.
When the boom is down, adding a load to the forks at that same time changes the center of gravity forward and down. Lifting the load would move the center of gravity upwards and to the rear. At the same time, when this happens, the stability triangle shrinks. Thus, the higher you raise 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 right or left. It is this wandering action which could change the stability triangle and leave less room for the frame to remain balanced if it is not perfectly level. 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 somewhere 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 will not be oriented over the equipment's centerline. The stability triangle is continuously aligned with the centerline of the telehandler.