12 IMT Electric-Hydraulic Crane Operation & Safety Manual # 99903618
Crane Capacity
The IMT crane is designed to lift specific loads. These loads are defined on the capacity placard
mounted near the operator’s station and on the crane. Exceeding the limits presented on the
capacity placard will create severe safety hazards and will shorten the life of the crane. The
operator and other concerned personnel must know the load capacity of the crane and the
weight of the load being lifted!
WARNING
NEVER EXCEED THE CRANE’S RATED LOAD CAPACITIES. DOING SO WILL CAUSE
STRUCTURAL DAMAGE AND DAMAGE TO WINCHES AND CABLES WHICH CAN LEAD
TO DEATH OR SERIOUS INJURY.
NOTE
LOAD LIMIT INFORMATION ON THE CAPACITY PLACARD IS FORMULATED ON 85% OF
TIPPING. TIPPING REFERS TO THE CRANE ACTUALLY TIPPING WITH ITS OPPOSITE
OUTRIGGER AND TIRES HAVING BROKEN CONTACT WITH THE SURFACE.
Prior to lifting a load:
1 Determine the weight of the load.
2 Determine the weight of any load handling devices.
3 Add the weight of the load and the weight of the load handling devices. The sum is the total
weight of the load being lifted.
4 Determine the distance from the centerline of crane rotation to the centerline of the load
being lifted.
5 Determine the distance from the centerline of crane rotation to the centerline of where the
load is to be moved to.
6 The actual distance used should be figured as the larger of items 4 and 5 above.
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