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HC4900 Load Moment Indicator

User Manual

Edition 5 / July, 2014

For Zoomlion RT Crane

With 4-section boom

Summary of Contents for Hirschmann HC4900

Page 1: ...HC4900 Load Moment Indicator User Manual Edition 5 July 2014 For Zoomlion RT Crane With 4 section boom...

Page 2: ...rer reserves the right to modify the contents of this manual without notice Hirschmann offers no guarantee whatsoever for this material including guarantees with reference to commercial availability a...

Page 3: ...R 5 3 3 1 Technical data 5 3 3 2 Installation 5 3 4 LWG208 LENGTH ANGLE SENSOR 6 3 4 1 Technical data 6 3 4 2 Installation 6 3 5 ANTI TWO BLOCK SWITCH 8 3 5 1 Technical data 8 3 5 2 Installation 9 4 O...

Page 4: ...TEM FUNCTIONS 23 6 1 WARNING 23 6 2 PROHIBITION 23 7 DAILY MAINTENANCE AND CALIBRATIONS 24 7 1 MAINTENANCE CONTENT 24 7 2 LENGTH SENSOR ADJUSTMENT 24 7 3 ANGLE SENSOR ADJUSTMENT 25 7 4 BUZZER ALARMING...

Page 5: ...ious sensing devices the load moment indicator monitors machine s various operational functions and provides the operator with a continuous reading of the machine s capacity The readings change contin...

Page 6: ...nless it has been properly adjusted and unless the correct load capacity chart and the correct operating code have been entered for the respective rigging configuration The correctness of the LMI setu...

Page 7: ...he display and operating console once limit values are reached All machine movements that increase the load moment are switched off at the same time The crane specific data specified by the manufactur...

Page 8: ...ned for outdoor construction vehicles and mobile machinery It complies with international standards for environmental testing EMC testing and CE certification Its easy programming convenient online de...

Page 9: ...40 C 100 C Protection class IP67 Life expectancy 10 million cycles Hysteresis tolerance 0 1 FS max DAVS Dimension 3 3 2 Installation Please notice the location of hydraulic piping and valve when inst...

Page 10: ...tion 0 1 Hysteresis tolerance 0 1 LWG208 Length angle sensor dimension 3 4 2 Installation Length Angle sensor is installed on the main boom Manufacturers can fix the bracket of the sensor to the crane...

Page 11: ...lled out Rotate the cable drum 4 to 5 turns to pre tighten the drum and then pull out the cable to the tip of the boom for connection Use the guiding wheel to keep the measuring cable at the same leve...

Page 12: ...s sufficient and the cable drum is rotating smoothly after installation is completed If the measuring cable is already at the pre tighten length when boom is retracted the pre tighten turns can be red...

Page 13: ...side of boom head where the beginning of the lifting rope is fixed Make sure the hammer is connected to the lifting rope and is free to actuate the switch The signal connector and cable must be waterp...

Page 14: ...3 4 Function keys Function keys F1 F5 are related to the key symbols which present on the display 5 Numerical keys They can be used to input values or select function items in accordance with the numb...

Page 15: ...ted The status will be displayed for 30 minutes and then automatically close To cancel the LMI bypass condition deactivate the bypass signal 4 1 Data display interface values are not real The Data dis...

Page 16: ...yed when defect 11 Wind speed 12 Fixed jib boom length 13 Main boom length 14 Main boom angle 15 Fixed jib boom angle 16 Rated load capacity 17 Actual load 18 Working radius 19 Enforced icon OEM speci...

Page 17: ...s to more than 90 of the respective maximum carrying capacity which indicates that an overload situation is immediately pending For the operator this means that the machine work can continue only with...

Page 18: ...g been allowed to slacken Test method as below Manually lifting the weight attached to the A2B switches then the audible alarm sound and the A2B alarm light will light Slowly raise the hook or lower t...

Page 19: ...m and correctly adjust it before operating the crane Below is a diagram of the startup screens If all system checks are okay then after pushing Y F5 button the Set Operating Mode screen will come up I...

Page 20: ...l key 1 time setting Numerical key 2 CANbus status query Numerical key 3 OM code query Numerical key 4 Oil Pressure node setting Function setting interface In the metric display the unit of length is...

Page 21: ...and date would change into the new setting ones F4 Reset the selected item zero Time and date interface F5 Back to the previous interface CAN bus status query Press numerical key 2 at the Function set...

Page 22: ...r to 5 2 F5 Back to the previous interface OM code query interface The OM Code is comprised of four digits ABCD A Outrigger and Tire Configuration number is automatically assigned during OM Setup refe...

Page 23: ...system and the crane Only operators who are thoroughly familiar with the crane and the operation of the system are qualified for the setting the OM codes Improperly setting the OM code in the LMI wil...

Page 24: ...ires Push F2 to scroll to either Static Load Lifting or Creep on Tires NOTE If an incorrect OM code is entered Current OM code will change to BBBB If this occurs push N F4 button and enter a permissib...

Page 25: ...firm change NOTE Current REEV will change to New Reev setting Push F5 button to return to screen 5 4 Error Code Reference Table When the system is malfunction the error code will appear at the main di...

Page 26: ...A2B fault Exceed the operating range of the crane LMI system defective Operation fault Press F5 to stop the buzzer alarming temporarily Main interface The audible alarm is only temporarily silenced Th...

Page 27: ...ited Boom luffing down Telescope out Hoist up At this moment only the movements toward safe direction are allowed Boom luffing up Boom retract Hoist down When the cut off device is activated this cut...

Page 28: ...ction hoses for oil leakage Check the cable reel wire for sufficient tension Check the cable reel mounting torsion spring for proper function Check the angle transducer for oil leakage 7 2 Length sens...

Page 29: ...r radius is not the same with the actual value operators should adjust the angle sensor Lose the 3 bolts see the following pic Slowly turn the angle sensor till the displayed value accords with the ac...

Page 30: ...ull out the cable and fix it on the tip of the boom at the original place 5 After pre tight the cable reel the display of the boom length will be affected please adjust the length sensor till the disp...

Page 31: ...is situation is only for cranes with multiple extend modes 6 Why the LMI is warning and load percentage exceeded 100 while the crane still operation to dangerous direction Answer 1 please check whethe...

Page 32: ...max angle in the capacity chart Boom down to a permitted radius or angle in the load chart E02 Exceed the max radius or lower than the min angle Due to the too much hoist down which result in exceed...

Page 33: ...l pressure rod side Refer to E12 Refer to E12 E15 Fallen below lower limit value in measuring channel angle main boom Angle potentiometer defective PDB variable for analog value not supported Electron...

Page 34: ...m connected direct with the crane battery UB Power for switch on off Re connect break UB E37 Logical programming fault Programming file fault Flash EPROM fault Update effective software of the system...

Page 35: ...t Up date crane data file Change Flash EPROM E52 Loading curvilinear figure No readable crane performance table Flash EPROM defect Update effective crane data file Change controller E53 Wrong setting...

Page 36: ...sensor E63 Can bus pressure sensor fault Uneffective analogue value of sensor unit Change sensor E64 LWG Can bus data transforming of fault Refer to E62 Refer to E62 E84 Wrong OM code OM selected not...

Page 37: ...itch Connect or change the cable to A2B switch EAD A2B switch defect Sensor function fault Can bus delay Wireless teleport delay processing module wireless A2B Uneffective wireless teleport ID Change...

Page 38: ...34 9 HC4900 Connecting Diagram...

Page 39: ...ully extend 2 0002 360 Half extend 1002 360 Fully retract 2002 360 None 3002 Front None 4002 Creep None 4102 1st jib section 0 360 operation Fully extend 11 0011 1st jib section 20 12 0012 1st jib sec...

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