LGMG AR45J Maintenance Manual Download

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LGMG North America Inc.

Maintenance Manual

AR45J/AR52J

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.

This manual must be kept with this

machine at all times.

Summary of Contents for AR45J

Page 1: ...orm 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 acci...

Page 2: ...This page left blank intentionally...

Page 3: ...7 Checking Engine Oil Level 6 1 8 Replacement of Engine Oil and Filter 6 1 9 Check for Fuel Leakage 8 1 10 Vent Fuel Pre Filter 8 1 11 Replacement of the Fuel filter 9 1 12 Check for Engine Air Filte...

Page 4: ...oval of LGMG North America The information technical specifications and drawings in this manual are the latest available when this manual is issued Due to continuous improvement LGMG North America res...

Page 5: ...re only applicable to the specified uses of this machine LGMG North America assumes no responsibility if this machine is used beyond the range of this manual The user and the operator shall be respons...

Page 6: ...LGMG North America Inc Maintenance Manual 1 Chapter 1 Maintenance...

Page 7: ...LGMG North America Inc Maintenance Manual 2...

Page 8: ...zardous conditions Note Checking electrolyte level is not required for machines with sealed or maintenance free batteries Warning danger of electric shock Contact with an electrical circuit may result...

Page 9: ...icating grease while rotating the slewing reducer 5 Model of the lubricating grease 3 lubricating grease 1 Position II Lubrication of the engaging position between the worm and the slewing bearing 2 Q...

Page 10: ...at its highest point 2 Remove the other fill plug and check the oil level Result The oil level shall be the same as the bottom of the fill plug hole 3 When necessary remove the upper plug and add oil...

Page 11: ...e checked when the engine is placed horizontally and shut down If the engine is hot shut down the engine and check the engine oil level 5 minutes later The oil can be checked immediately if the engine...

Page 12: ...operation temperature Replacement of engine oil After the filter element is replaced be sure to keep the engine idling at a low speed for at least 3 5 minutes so that the engine has been lubricated b...

Page 13: ...of spilled fuel and filter elements in accordance with national regulations The fuel cannot seep into the ground Visually check for fuel leakage every 8 hours or every day There is danger of explosio...

Page 14: ...and drain liquid 6 Disassemble filter insert 7 Clean any dirt of the opposite side of filter head 8 Wet the sealing surfaces of the filter cartridge slightly with fuel and screw back on to the filter...

Page 15: ...ronment There is danger of explosion and fire The fuel of the engine is combustible Check the position of the machine When this step is performed the machine should be in a well ventilated area away f...

Page 16: ...ondary element should be removed only if it is to be replaced To protect the engine do not remove the secondary element in servicing the primary element Figure 1 9 1 Air cleaner body 2 Dust cup 3 Seco...

Page 17: ...e The cover can only be opened in the cooling state Coolant must have a specified concentration of cooling system protectant Please observe the safety regulations for coolant and relevant local regula...

Page 18: ...10 1 Loosen bolts 1 2 3 and nuts 2 Move the engine in direction B until the belt is lose 3 Remove the old belt and install a mew one 4 Move the engine in direction A until the correct belt tension is...

Page 19: ...eck replace Engine does not start and diagnostic lamp flashes Engine electronics prevents starting Check error according to error code and eliminate error if necessary Engine starts but runs irregular...

Page 20: ...Check replace Engine output is deficient Lube oil level too high Check lube oil level if necessary drain off Fuel suction temperature too high Check the system Fuel quality does not comply with operat...

Page 21: ...ve shaft seals defective Check replace Exhaust gas turbocharger defective Check replace Engine producing blue smoke Lube oil level too high Check lube oil level if necessary drain off Excessive inclin...

Page 22: ...e voltage of the sensor measured by ECU is out of the target range signal range check low 98 110 0 Coolant temperature The coolant temperature calculated by ECU is above the target range The ECU activ...

Page 23: ...calculate the engine speed 457 975 3 PWM Signal fan short circuit to battery 464 97 3 Fuel filter water level sensor The sensor voltage measured by ECU is out of the target range 465 97 4 Fuel filter...

Page 24: ...and the cause is logged internally no item will be created in error memory 613 523612 12 ECU reported internal software error Internal ECU monitoring detection reported error 614 523612 12 Internal h...

Page 25: ...the target range which is determined as a function of the engine speed 857 523613 0 Rail pressure below setpoint threshold exceeded 858 523613 0 Rail pressure the fuel pressure in rail calculated by...

Page 26: ...tem will be created in error memory 976 91 11 Diagnostic fault check of synchronism of single potentiometer and Low idle switch LIS 978 29 2 Plausibility error between sensor and idle switch Accelerat...

Page 27: ...ttle valve 4 1 6 1 7 8 Voltage below threshold 1505 524057 2 Fuel low pressure pump error pressure build up 1668 524105 9 Timeout error of CAN Transmit Frame ComEGRMsFlw EGR Steller 1669 524108 9 Time...

Page 28: ...LGMG North America Inc Maintenance Manual 23 Chapter 2 Schematic Diagram...

Page 29: ...LGMG North America Inc Maintenance Manual 24...

Page 30: ...LGMG North America Inc Maintenance Manual 25 Electrical schematic diagram...

Page 31: ...LGMG North America Inc Maintenance Manual 26 Hydraulic schematic diagram...

Page 32: ...27...

Page 33: ...J Mobile Elevating Work Platform Maintenance Manual First Edition June 2021 1445 Sheffler Drive Chambersburg PA 17201 Toll Free 833 288 LGMG 5464 Local Phone 717 889 LGMG 5464 Email sales lgmgna com w...

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