LGMG T65J Maintenance Manual
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LGMG T65J Maintenance Manual

Telescopic boom mobile elevating work platform
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Maintenance Manual
LGMG North America Inc.
Mobile Elevating Work Platform
！
Before operation and maintenance, the
drivers and service personnel shall
always read and thoroughly understand
all information in this manual. Failure to
do so may result in, fatal accidents or
personal injury.
This manual must be kept with this
machine at all times.
T65J/T72J/T85J
Telescopic Boom
WARNING
ANSI

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  • Page 1 LGMG North America Inc. Maintenance Manual T65J/T72J/T85J Telescopic Boom Mobile Elevating Work Platform ANSI ！ WARNING Before operation and maintenance, the drivers and service personnel shall always read and thoroughly understand all information in this manual. Failure to do so may result in, fatal accidents or personal injury.
  • Page 2 This page left blank intentionally...

  • Page 3: Table Of Contents

    LGMG North America Inc. Maintenance Manual Contents Contents ....................... I Chapter 1 Maintenance ................1 1.1 Compliance ..................3 1.2 Check the Safety Manual ..............3 1.3 Check for labels and signs ..............3 1.4 Check for damaged, loose or missing parts ........3 1.5 Check for Hydraulic Oil Level ............
  • Page 4 LGMG North America Inc. Maintenance Manual 1.23 Engine maintenance- DEUTZ ............14 1.24 Regular Maintenance ..............21 1.25 Engine fault table ................22 1.26 Engine fault Codes ............... 25 1.27 Maintenance Schedule ..............31 Chapter 2 Schematics ................35...
  • Page 5 Maintenance Manual Foreword Thank you for choosing to use this Mobile Elevating Work Platform from LGMG North America. This machine is designed according to A92.20-2021.The information specified in this manual is intended for the safe and proper operation of this machine for its’ intended purpose.
  • Page 6 Always ensure the safety of all personnel and protect the machine against any damage. If unable to confirm the safety of some operations, contact LGMG North America. The operation & maintenance prevention measures listed in this manual are only applicable to the specified uses of this machine.
  • Page 7 LGMG North America Inc. Maintenance Manual This page left blank intentionally...

  • Page 8: Chapter 1 Maintenance

    LGMG North America Inc. Maintenance Manual Chapter 1 Maintenance...
  • Page 9 LGMG North America Inc. Maintenance Manual...

  • Page 10: Compliance

    △ ! If the labels need to be replaced, Only LGMG North America approved parts and consumables can be used. please contact the service staff of Function test shall be always conducted LGMG North America.

  • Page 11: Check For Hydraulic Oil Level

    LGMG North America Inc. Maintenance Manual  Hydraulic hoses, connectors, valve blocks and hydraulic cylinders  Fuel and hydraulic tanks  Wear-resistant pads  Tires and wheels  Engine and related components  Limit switch and horn  Nuts, bolts and other fasteners ...

  • Page 12: Check The Pivoting Support

    LGMG North America Inc. Maintenance Manual  Hydraulic oil tank, filter, pump, hydraulic oil lubricate the turntable bearing frequently. Incorrect lubrication will cause damage to cylinder, motor, reduction gear, valve block components. As shown in Figure 1-2, find and hydraulic tubing.

  • Page 13: Check The Wires

     Ground control unit supply is required to charge the  battery, only the charger approved Platform control unit by the LGMG North America can be  Harness connectors used.  Sensor  Do not replenish the battery with white eyes.

  • Page 14: Check For Tires And Hubs

    LGMG North America Inc. Maintenance Manual 1.10 Check for Tires and Hubs This check item is performed every 250 hours or quarterly, whichever comes first. Keeping tires and hubs in a good condition is critical for safe operation and good performance.

  • Page 15: Check For Exhaust Cover Of Hydraulic Oil Tank

    LGMG North America Inc. Maintenance Manual the viewing port, select gear oil by referring 1.13 Visual Inspection of the to the Machine Specifications section. Hydraulic Oil  Coat the plugs with pipe thread sealant and install the plugs. This check item shall be conducted every 250 Replace lubricant after the first 50h of use, hours or quarterly, whichever comes first.

  • Page 16: Inspection Of Engine Emission System

    LGMG North America Inc. Maintenance Manual 5. Cover Plate flapping in the pulley. In the case of any abnormalities, stop using the machine 6. Retract Pulley Block immediately and tag out the machine. 7. Retract Rope Replacement of the Wire Rope 8.

  • Page 17: Inspection Of Fixing Bolts And Adjusting Bolts Of Slewing Reducer

    LGMG North America Inc. Maintenance Manual equipment performance and safe operation. inspection until the engine is cooled Incorrect lubrication will lead to component down. damage. Ensure that all fasteners are well tightened; Check all welds; Check for exhaust leakage; Check the welds and connections for carbon deposit.

  • Page 18: Replacing The High-Pressure Filter Element

    LGMG North America Inc. Maintenance Manual environment. 1.19 Replacing the Park the machine on a solid and level ground. high-pressure filter element Lower the arm rod and make the machine retracted. △ ! Risk of personal injury. Be careful of hot oil. The contact with hot oil will cause severe burns.

  • Page 19: Replacing The Air Cleaner

    LGMG North America Inc. Maintenance Manual Use a marker to write down the 1.22 Changing hydraulic oil replacement date on the filter replacement and replacing the suction record. filter Implement any arm rod function with the △ GCU. ! Risk of personal injury. Be careful Check the filter components for oil leakage.
  • Page 20 LGMG North America Inc. Maintenance Manual tank completely into a suitable container. 5) Remove the oil drain flange and the ring magnet. 6) Remove the suction filter from the hydraulic tank. 7) Flush the inside of the hydraulic tank with a mild solvent.

  • Page 21: Engine Maintenance-Deutz

    LGMG North America Inc. Maintenance Manual Check the engine oil level every 8 hours or The lowest temperature＞ L-HV 32 low temperature every day. hydraulic oil -25℃ Insufficient or excessive engine oil may cause -40℃＜The lowest L-HS32 ultra low damage to the engine. The engine oil level can temperature hydraulic oil temperature≤-25℃...
  • Page 22 LGMG North America Inc. Maintenance Manual △ Test run shall be carried out after each operation. At the same time, pay attention to the sealing and lubrication oil pressure, and then check the engine oil level. It is available in the first 50 hours, and the engine oil and filter shall be replaced every 500 hours.
  • Page 23 LGMG North America Inc. Maintenance Manual No smoking and open fires! Be careful when contacting high temperature fuel! Please observe the safety regulations for fuel and relevant local regulations. Dispose of spilled fuel and filter elements in accordance with national regulations. The fuel cannot seep Figure 1-12 into the ground.
  • Page 24 LGMG North America Inc. Maintenance Manual Clean any dirt of the opposite side of filter △ Perform the step when the engine head. Wet the sealing surfaces of the filter flames out. cartridge slightly with fuel and screw back on to the filter head, clockwise (17-18 Nm).
  • Page 25 LGMG North America Inc. Maintenance Manual temperature fuel! placed in an easily accessible place. △ △ Do not release the injection Never fill the filter in advance. pipeline or the high-pressure oil There is risk of contamination. pipeline when the engine is running.
  • Page 26 LGMG North America Inc. Maintenance Manual Figure 1-16 Check the maintenance indicator of the air filter. When the transparency of the indicator turns red, filter element needs to be maintained and cleaned or replaced. 1.23.7 Cleaning or Replacement of Air Filter...
  • Page 27 LGMG North America Inc. Maintenance Manual cover (2) and fix it with the hooking clip. a very short time. Draining of the Cooling System 1.23.8 Check for Coolant Liquid 1) Carefully open the cooler cover. Level 2) Place the receiving container under the Check the coolant liquid level every 8 hours or coolant interface.

  • Page 28: Regular Maintenance

    LGMG North America Inc. Maintenance Manual out. 1.24 Regular Maintenance △ Maintenance items with period of a quarter, a There is danger of burn. Be year, and two years must be completed by qualified staff upon training in maintenance of...

  • Page 29: Engine Fault Table

    LGMG North America Inc. Maintenance Manual 1.25 Engine fault table Faults Cause Measures Not disconnected (if possible) Check coupling Fuel tank empty Tanks Fuel suction pipe blocked Check Below starting limit temperature Check Cold starting device Check/replace Wrong SAE viscosity class of the...
  • Page 30 Exhaust gas backpressure too high Check/clean Exhaust gas turbocharger defective Change Engine performs poorly and diagnostic Engine electronics reduce Please contact your LGMG partner lamp lights performance Injection line leaks Check injection line Injector defective Change Engine does not run on all cylinders...
  • Page 31 LGMG North America Inc. Maintenance Manual inclination Wrong SAE viscosity class of the Change the lubricating oil engine lubricating oil Lubricating pressure sensor Check/replace defective Lubricating oil control valve jammed Check/clean Lubricating oil suction pipe blocked Check/clean Check lube oil level, if necessary drain...

  • Page 32: Engine Fault Codes

    LGMG North America Inc. Maintenance Manual 1.26 Engine fault Codes Error Identification KWP-Code Battery voltage: The voltage measured by ECU is out of the target range, system reaction is initiated. Battery voltage: The voltage measured by ECU is out of the target range, system reaction is initiated.
  • Page 33 LGMG North America Inc. Maintenance Manual Internal hardware monitoring: The ECU finds an error during the access to it's EEPROM memory or works with an alternative value Internal hardware monitoring: The CPU of the ECU is set to RESET 523612 and the cause is logged internally.
  • Page 34 LGMG North America Inc. Maintenance Manual Injector cylinder 2: Interruption of electrical connection Injector cylinder 3: interruption of electrical connection Injector cylinder 4: Interruption of electrical connection Injector cylinder 5: interruption of electrical connection Injector cylinder 6: Interruption of electrical connection.
  • Page 35 LGMG North America Inc. Maintenance Manual system reaction Charge air pressure sensor: the measured voltage of sensor by ECU is out of the target range Charge air pressure sensor: the measured voltage of sensor by ECU is out of the target range...
  • Page 36 LGMG North America Inc. Maintenance Manual Sensor error accelerator pedal. Signal is below the range Internal hardware monitoring: the ECU detects a deviation of the 1079 target range of the power supply voltage of sensor output 1 Internal hardware monitoring: the ECU detects a deviation of the...
  • Page 37 LGMG North America Inc. Maintenance Manual Physical range check high for battery voltage 1180 Physical range check low for battery voltage 1181 Actuator EGR-Valve: Open load on ECU output is detected 1223 Actuator EGR-valve: too high curent is going into the actuator.

  • Page 38: Maintenance Schedule

    LGMG North America Inc. Maintenance Manual 1.27 Maintenance Schedule Routine Inspection and Maintenance Intervals △ Note: The working hours are based on the engine working time, and the operation cycle is calculated from the date of production. Maintenance period Maintenance...
  • Page 39 LGMG North America Inc. Maintenance Manual Clean the main Clean the air cleaner outer element every 250h or when the indicator element of the air filter alarms, and it is forbidden to clean the air cleaner inner element. Change coolant Every 2000h or every two years, whichever comes first.
  • Page 40 LGMG North America Inc. Maintenance Manual cell Whether the battery terminals are loose or Daily corroded Monitor whether the ● ● ● ● ● system pressure is normal Check whether the ● ● ● ● ● steering system pressure is normal Check whether the ●...
  • Page 41 LGMG North America Inc. Maintenance Manual Check if the safety signs are correct or Daily defaced Check the bolts, nuts and other fasteners of Daily the machine for looseness and noise Check whether the structural parts of the machine have cracks...

  • Page 42: Chapter 2 Schematics

    LGMG North America Inc. Maintenance Manual Chapter 2 Schematics...
  • Page 43 LGMG North America Inc. Maintenance Manual...
  • Page 44 LGMG North America Inc. Maintenance Manual Electric schematic-T65J (T0020JNDAH20)
  • Page 45 LGMG North America Inc. Maintenance Manual Electric schematic-T65J (T0020JNDAH21)
  • Page 46 LGMG North America Inc. Maintenance Manual Electric schematic-T72J (T2218J0WND4AH2000)
  • Page 47 LGMG North America Inc. Maintenance Manual Electric schematic-T85J (T0026JNDAH20)
  • Page 48 LGMG North America Inc. Maintenance Manual Electric schematic-T85J (T2623J0WND4AH2001)
  • Page 49 LGMG North America Inc. Maintenance Manual Hydraulic schematic-T65J (T0020JNDAH20)
  • Page 50 LGMG North America Inc. Maintenance Manual Hydraulic schematic-T65J (T0020JNDAH21)
  • Page 51 LGMG North America Inc. Maintenance Manual Hydraulic schematic-T72J (T2218J0WND4AH2000)
  • Page 52 LGMG North America Inc. Maintenance Manual Hydraulic schematic-T85J (T0026JNDAH20)
  • Page 53 LGMG North America Inc. Maintenance Manual Hydraulic schematic-T85J (T2623J0WND4AH2001)
  • Page 55 T65J/T72J/T85J Mobile Elevating Work Platform Maintenance Manual Sixth Edition – June 2022 1445 Sheffler Drive Chambersburg, PA. 17201 Toll Free: 833.288.LGMG (5464) Local Phone: 717.889.LGMG (5464) Email: sales@lgmgna.com www.lgmgna.com...

This manual is also suitable for:

T72jT85j

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