The Gen 3 LMS system was never designed to be a weight measuring system but rather, it is a weight monitoring system, intended to create safety cutouts when the machine on which it is mounted, is pushed beyond safety limits.
When using any attachments, especially ones that have a long reach, such as a long boom or fly jib/winch,
the attachment can only be used in a horizontal position. Since there are no sensors on
the tilt head, the Gen-3 assumes the attachment is horizontal. If the attachment is tilted, the load reading will become more inaccurate as the attachment is tilted towards
vertical.
Make sure to always lift the load from the ground by raising the boom rather than tilting
the attachment head.
So why doesn't the Gen 3 LMS system have sensors on the tilt head (thereby increasing load reading accuracy)? As stated earlier, the Gen 3 system was never intended to be an accurate weight measuring system. Accurate weight measuring usually requires the use of Load Cells and Crane Scales. The Gen 3 system monitors pressure sensors attached to the hydraulics in the boom. It has exactly the right amount of pressure sensors to fulfill the requirement of monitoring lifted weights and then create cutout when the system is operated beyond the machine's capacity. The operator does have lifted weight displayed on the Gen 3 screen as a means of tracking lifting operations, but this displayed weight should never be thought of as if coming off a set of scales. The method employed here by EQSS is one of monitoring shifting hydraulic pressures within the lifting boom. This method by it's very nature has limited accuracy, but it perfectly suits the intended use in the Gen 3 system.
Furthermore, tilting the attachment head can cause pressure spikes in the
hydraulic system, affecting the pressure sensors which the Gen-3 uses to measure (and calculate) lifted loads. This results in an inaccurate load reading while the head is being tilted.
The load
rating on most long reach attachments is far less than the capacity of the machine. This means that if a load is lifted which exceeds the load rating, the attachment will
break or be damaged before the rear wheels lift off the ground.
Please observe the load ratings of your long reach attachments and strictly operate within those ratings
Example of Industrial Forks Attachment below
Example of Long reach attachment below
When using long reach attachments, always use in the
horizontal position. Always lift the load by raising the boom
and not tilting the attachment head. Failure to do so will result
in inaccurate load readings, which may at best damage the attachment
and at worst cause injury.
If the attachment is tilted, the load reading will become more inaccurate as the attachment is tilted towards vertical.