Gen4 - Attachments - Specific Attachments
There are special use cases to be aware of when using specific types of attachments with the Gen4-LMS system.
Please be aware of the following:
Long Reach Attachments
When using attachments 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 Gen4-LMS 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.
Tilting the attachment head can cause pressure spikes in the hydraulic system, affecting the pressure sensors which
the Gen4-LMS uses to measure the load - resulting 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.
Man Platforms
All compliant man platforms must be operated from the platform. Most machines require the stabilizers to be
lowered before being able to operate the boom from the man platform. In these circumstances, when the platform
attachment is selected from the Gen4-LMS menu, the rating chart window displays a message to the operator
instead of the rating chart (while the stabilizers are raised). The message informs the operator that the man platform
can not be used until the stabilizers are lowered.
Winches
The rating chart shows the maximum load rating for the boom location with the winch hook block fully retracted.
Most rating charts decrease the rating as the boom is raised higher. The load rating will remain the same even if the
hook block is lowered into a higher load capacity band (since the boom is still at the same height).
Buckets
When using earth moving buckets, most machines are allowed to temporarily exceed the capacity rating and lift
the rear wheels off the ground (such as when breaking through the heap), as long as the boom is fully retracted.
When the boom is extended less than 1 metre and is at an angle of less than 10 degrees the Gen4-LMS cutout is
disabled. Within this region the load capacity is unlimited allowing full operation of the bucket.
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