Description
HIRSCHMANN HC4900 LMI System, Crane Load Moment Indicator
✅ XCMG Truck Crane QY16K QY25K QY25K5 QY30K QY30K5 QY35K QY35K5 QY50K QY60K QY65K QY70K QAY25 QAY50 LMI system
✅ HC4900 LMI system is designed for installation on various cranes to monitor load moment and prevent overload, ensuring safe operation.
✅ The HC4900 LMI system consists of the following spare parts
| PART NUMBER | PART NAME |
| 803500997 | Central unit (Mentor) HC4900 |
| 803600322 | LCD Graphic Display IC4600 |
| 803500207 | Length/Angle sensor LWG208 |
| 803600326 | Display cable unit |
| 803600327 | Length and angle sensor cable unit |
| 803600328 | Pressure sensor cable unit |
| 803600329 | Pressure sensor cable unit |
| 803600733 | Height Limit Switch A2B |
| 801500621 | Heavy Hammer |
| 819900406 | Heavy Ring |
✅ The LMI provides real-time data, including:
– Boom length and angle
– Tip height and working radius
– Rated load vs. actual load
✅ It acts as a critical safety aid, alerting the operator to potential overloads or over-hoisting, which could endanger equipment and personnel.
Important Note: For optimal performance, ensure the LMI is correctly programmed with the load chart and properly configured before installation. Incorrect setup may lead to equipment damage or severe injuries.
HC4900 User Manual | PDF | Crane (Machine) | Button (Computing)
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