LGMG T20J Operation Manual
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LGMG T20J Operation Manual

Mobile elevating work platform
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Operation Manual
△
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.
LINGONG GROUP JINAN HEAVY MACHINERY CO., LTD.
Mobile Elevating Work Platform
T20J

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Summary of Contents for LGMG T20J

  • Page 1 Operation Manual T20J Mobile Elevating Work Platform △ 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 First edition and printed for the first time in December 2021 Lingong Group Jinan Heavy Machinery Co., Ltd. Add: F12,Building 3 LushangGuoao Plaza, 9777 Jingshi Road,Lixia District, Jinan, Shandong, 250000,China Tel: 86-0531-67605017 Technical service: 86-0531-67605017 Web: www.LGMG.com.cn Sales of accessories:86-0531-67605016...

  • Page 3: Table Of Contents

    Operation Manual of Elevating Work Platform Contents Contents ....................... I Chapter 1 Safety ..................1 1.1 Danger ....................3 1.2 Before operating the machine, please ensure that: ......3 1.3 Classification of dangers ..............3 1.4 Purpose .................... 3 1.5 Maintenance of safety signs ............. 4 1.6 Danger of electric shock ..............
  • Page 4 Operation Manual of Elevating Work Platform 6.3 Pre-operational check ..............37 Chapter 7 Workplace Inspection ............... 39 7.1 Basic principles ................41 7.2 Workplace inspection ..............41 Chapter 8 Functional Test ................. 43 8.1 Basic principles ................45 8.2 At the ground controller ..............45 8.3 On the platform ................
  • Page 5 The information, technical specifications and drawings in this manual are the latest available when this manual is issued. Due to continuous improvement, LGMG reserves the right to change the technical specifications and machine design without notice. If any specifications and information in the manual are not consistent with your machine, please contact the service department of LGMG.
  • Page 6 The operation & maintenance prevention measures listed in this manual are only applicable to the specified uses of this machine. LGMG assumes no responsibility if this machine is used beyond the range of this manual. The user and the operator shall be responsible for the safety of such operations.
  • Page 7 Operation Manual of Elevating Work Platform...

  • Page 8: Chapter 1 Safety

    Operation Manual of Elevating Work Platform Chapter 1 Safety...
  • Page 9 Operation Manual of Elevating Work Platform...

  • Page 10: Danger

    The purpose of this machine is limited to lifting Classification of hazards personnel and their tools and materials to high-altitude workplaces, and it can be used The meanings of symbols, color codes indoors and outdoors. and characters of LGMG’s products are as follows:...

  • Page 11: Maintenance Of Safety Signs

    The personnel, equipment and materials on in contact with or near electrical wiring, the platform shall not exceed the maximum power source or electrical equipment. load capacity of the platform. Item T20J Maximum Load Capacity of the 250Kg Platform Maximum occupants...

  • Page 12: General Safety

    Operation Manual of Elevating Work Platform Please be very careful if the buzzer sounds or gusts. Do not increase the surface area when the platform is lifted. The machine's of the platform or load. Increasing the area non-level indicator will light up and the drive exposed to the wind will reduce the stability function will not work in either direction.

  • Page 13: Danger Of Operating The Machine On Slopes

    Operation Manual of Elevating Work Platform open. 15) The allowable fluctuation of the vehicle's supply voltage is ± 10%. 2) Do not allow the boom to approach or touch anything. 16) Please replace the hydraulic oil as required temperature. Do not change or use all sensors such as length transducer, tilt angle sensor, the 17) The maximum allowable working weighing sensor and rope-breaking...

  • Page 14: Danger Of Falling

    Operation Manual of Elevating Work Platform section of this manual. 1.10 Danger of falling In the process of operation, the staff on the platform must wear safety protection equipment such as helmets, safety belts When rotating the turntable, please pay and safety shoes according to the attention to the position of the boom and requirements on site, and use, inspect and...

  • Page 15: Danger Of Damage To The Machine

    Operation Manual of Elevating Work Platform Do not refuel the machine when the engine well-ventilated area to avoid exhaust is running. poisoning. Refuel the machine and charge the battery Do not operate the machine when there is only in open and well-ventilated places that hydraulic oil leakage which may penetrate are away from sparks, burning cigarettes or burn the skin, and always wear safety...
  • Page 16 Operation Manual of Elevating Work Platform  Do not touch the battery terminals or cable clamps with tools that may cause sparks. Danger of electric shock  The battery charger can only be connected to a 12V battery charger.  Check the cable and wiring for damage daily and replace the damaged items before operation.
  • Page 17 Operation Manual of Elevating Work Platform...

  • Page 18: Chapter 2 Legend

    Operation Manual of Elevating Work Platform Chapter 2 Legend...
  • Page 19 Operation Manual of Elevating Work Platform...
  • Page 20 Operation Manual of Elevating Work Platform Figure 2-1 Legend of the complete machine 1 Non-steering wheel 2 Steering Wheel 3 Lower control box 4 Boom 5 Platform 6 Jib 7 Lifting rod 8 File box 9 Lanyard fixed point 10 Upper control box...
  • Page 21 Operation Manual of Elevating Work Platform...

  • Page 22: Chapter 3 Decals

    Operation Manual of Elevating Work Platform Chapter 3 Decals...
  • Page 23 Operation Manual of Elevating Work Platform...
  • Page 24 Operation Manual of Elevating Work Platform T20J Decals Figure 3-1 Positions of labels...
  • Page 25 Operation Manual of Elevating Work Platform...
  • Page 26 Operation Manual of Elevating Work Platform...
  • Page 27 Operation Manual of Elevating Work Platform Code Number Name Code Number Name 2534001540 Sign for safe rules description 2534000196 Reflective sticker Sign for caution of tipping up 2534001696 2534000056 Driving form sign and down the slope 2534000026 Sign for reading instructions 2534001775 Group LOGO-english-365 2534001570...

  • Page 28: Chapter 4 Machine Specifications

    Operation Manual of Elevating Work Platform Chapter 4 Machine Specifications...
  • Page 29 Operation Manual of Elevating Work Platform...
  • Page 30 Operation Manual of Elevating Work Platform T20J machine Specifications 4.1 Machine performance specifications Item Parameter Item Parameter One rotation of turntable Rated load (kg) 78-86 (Stowed position) (S) rotation Maximum number of staff turntable(Raised 155-185 extended) (S) Maximum working height (m) 21.7...
  • Page 31 Operation Manual of Elevating Work Platform Working pressure (Mpa) Displacement of pump(ml/r) Type Open system Displacement of pump(ml/r) Function Working pressure (Mpa) Lifting system(Mpa) system Working pressure (Mpa) Rotary system Working pressure (Mpa) Steering system 4.5 Drive system Item Parameter/Content Driving reducer Output torque (N*m) 3390...
  • Page 32 Operation Manual of Elevating Work Platform oil(L) The lowest temperature＜-30°C Working temperature:-20℃～40℃ CH-4/15W-40 Working temperature:-25℃～30℃ CH-4/10W-30 Engine oil(L) Working temperature:-30℃～30℃ CH-4/5W-30 Working temperature:-35℃～20℃ CH-4/0W-20 Antifreeze（L） Diesel（L） The inner track of Lithium base Modera gyration support grease 2# The surface of Lithium base Modera the gear...
  • Page 33 Operation Manual of Elevating Work Platform...

  • Page 34: Chapter 5 Control Box

    Operation Manual of Elevating Work Platform Chapter 5 Control Box...
  • Page 35 Operation Manual of Elevating Work Platform...

  • Page 36: Lower Control Box

    Operation Manual of Elevating Work Platform 5.1 Lower control box Figure 5-1 Panel of the lower control box Serial Name Serial Name Number Number Display Turntable rotary switch Emergency stop switch Boom ascend/descend switch Gasoline/LPG model: Fuel Boom extension/retraction switch selector switch Platform leveling switch Function enable button...

  • Page 37: Emergency Stop Switch

    Operation Manual of Elevating Work Platform Table 5-1 Names of the functions of the lower control panel The table below describes the functions of the button/toggle switches: Button/Toggle Item Function Description Switch Turn the key toggle switch to the platform position, and the upper control box will work.

  • Page 38: Selector Switch

    Operation Manual of Elevating Work Platform Pull the toggle switch up, the Jib will rise; Push the toggle switch down, Jib up/down switch the Jib will descend. Pull the platform leveling toggle switch up, the platform level will rise. Platform leveling Push the platform leveling toggle switch down, the platform level will switch descend.

  • Page 39: Upper Control Box

    Operation Manual of Elevating Work Platform 5.2 Upper control box Figure 5-2 Panel of the upper control box Serial Name Serial Name Number Number Engine idle speed selector Jib ascend/descend switch switch Horn switch Engine start switch Drive speed selector switch Emergency power unit switch Platform leveling switch Emergency stop switch...

  • Page 40: Engine Start Switch

    Operation Manual of Elevating Work Platform The table below describes the functions of the button/toggle switches on the upper control box. Item Button/Toggle Switch Function Description Engine start switch Move the engine start switch to one side to start the engine. Push the red "emergency stop"...

  • Page 41: Emergency Power Unit Switch

    Operation Manual of Elevating Work Platform When the turntable is rotated to a certain angle, the drive function cannot be operated and the drive enabling indicator Drive enabling switch alarms. Move the drive enabling toggle switch to one side and slowly move the drive controller handle, then the drive function will operate.

  • Page 42: Chapter 6 Pre-Operational Check

    Operation Manual of Elevating Work Platform Chapter 6 Pre-operational Check...
  • Page 43 Operation Manual of Elevating Work Platform...

  • Page 44: Before Operating The Machine, Please Ensure That

    If you need to replace the manual, please workplace inspection section this contact the service personnel from LGMG. manual. Ensure that all labels are clear, legible and You read, understand and abide by all in the right place. Please refer to the...
  • Page 45 Operation Manual of Elevating Work Platform and unauthorized changes:  Electrical plugs, wiring and cables  Boarding controller, getting-off controller  Platform control handle  Tilt angle sensor, long angle sensor and weighing sensor  Display, alarm indicator, flashing light, horn, buzzer, broken rope limit switch and drive enabling limit switch ...

  • Page 46: Chapter 7 Workplace Inspection

    Operation Manual of Elevating Work Platform Chapter 7 Workplace Inspection...
  • Page 47 Operation Manual of Elevating Work Platform...

  • Page 48: Basic Principles

    Operation Manual of Elevating Work Platform 7.1 Basic principles Workplace inspection helps the operator to determine whether the workplace is safe for operation. The operator should do this work before moving machine workplace. operator's responsibility understand and remember the hazards in the workplace so that he/she can be aware of and avoid these problems when moving, installing and operating the machine.
  • Page 49 Operation Manual of Elevating Work Platform...

  • Page 50: Chapter 8 Functional Test

    Operation Manual of Elevating Work Platform Chapter 8 Functional Test...
  • Page 51 Operation Manual of Elevating Work Platform...

  • Page 52: Basic Principles

    Operation Manual of Elevating Work Platform Test the machine function 8.1 Basic principles  Do not press and hold the function enabling You have understood and practiced the button switch. Try to enable each boom and rules for safe operation of the machine in platform function toggle switch.
  • Page 53 Operation Manual of Elevating Work Platform  Push the red "emergency stop" button of Result: All boom and steering functions. the platform to the off position. Drive functions do not function. Result: The engine is off and no function can be Test the steering operated.
  • Page 54 Operation Manual of Elevating Work Platform vertical direction of the main boom, which has contact with the ground. an upward variable amplitude of 5° or an 10) Test the drive enabling system extension of 0.6m. Result: The alarm on the platform sounds. ...
  • Page 55  Raise the boom to 5° above the horizontal 13) Test the platform overload plane.  T20J: Load more than 250 Kg of weight on  Move slowly the drive control handle to the the platform. full drive position. Result: The indicator lamp is ON, the buzzer Result: When the boom is lifted, the maximum sounds, and the machine can't move.

  • Page 56: Chapter 9 Operation Instructions

    Operation Manual of Elevating Work Platform Chapter 9 Operation Instructions...
  • Page 57 Operation Manual of Elevating Work Platform...

  • Page 58: Basic Principles

    Operation Manual of Elevating Work Platform to either side for 2s to 3s. In the case of 9.1 Basic principles failure to startup or halt for the engine, This machine is hydraulically-driven aerial disenable the startup switch for 3s during work equipment that is equipped with a startup.

  • Page 59: Operating The Machine On Ground

    Operation Manual of Elevating Work Platform and step down the pedal switch when buttons on the ground and the platform to the “ON” position. operating on the platform. Disenable the driving function when using Turn the startup toggle switch of the engine auxiliary power, and enable steering and all to the upper side for 2s to 3s, followed by boom lever functions.
  • Page 60 Operation Manual of Elevating Work Platform  Required tools: Carpenters rule, straight control box and the driving chassis. wood block (with length of at least 1m), 4) Drive the machine on a slope tape measure and other tools.  Determine the rated values of machine on ...

  • Page 61: Platform Overload

    Operation Manual of Elevating Work Platform driving and steering control handle, so it is necessary to stop driving, i.e., releasing the handle, followed by loosening the driving enabling switch. 6) Selection of driving speed  The machine is located at sign on the slope: If the inclination alarm sounds on the up-slope of platform: The engine is switched to high idle speed...
  • Page 62 Operation Manual of Elevating Work Platform error Description Limit action code Controller output power supply 1 open circuit Main boom upper luffing Controller output power supply 2 open circuit Main boom upper luffing Controller output power supply 3, 4 open circuit Main boom upper luffing The CAN bus of the expansion module of the Equivalent to the limit logic of all three handle failures...
  • Page 63 Operation Manual of Elevating Work Platform greater than positive 5 degrees, the main boom is turntable rotation, walking up and the main boom is extended The turntable is tilted, the extension length of the Main boom upper luffing, main boom extended、 main boom exceeds 60cm, the main boom is in the upward range, and the main boom extension turntable rotation, walking...

  • Page 64: Skyguard Instructions

    Operation Manual of Elevating Work Platform Retract and lower the boom lever to the 9.10 SkyGuard instructions folding state. Close and lock all enclosures and box doors. Wipe up dust and oil dirt on the machine body, and keep the machine body clean. Turn the turntable to make the boon lever located between non-steering wheels.
  • Page 65 Operation Manual of Elevating Work Platform...

  • Page 66: Chapter 10 Transport Description

    Operation Manual of Elevating Work Platform hapter 10 Transport Description...
  • Page 67 Operation Manual of Elevating Work Platform...

  • Page 68: Compliance And Obedience

    Operation Manual of Elevating Work Platform sophisticated weighting system. It is 10.1 Compliance forbidden to place heavy goods on the obedience platform, when the vehicle is transporting, otherwise the weighting system may be The driver shall be responsible for ensuring damaged.

  • Page 69: Guidance On Lifting The Machine

    Operation Manual of Elevating Work Platform “Nameplate” to understand the weight of components. the machine. Fix the chassis. Completely lower and retract boom lever, Ensure that chains or belts have sufficient and disassemble all loosened components load strength, and use at least 5 chains. on the machine.

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