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      LGMG North America Inc.

 

Operation and Safety Manual

 

 

 

 

 

 

 

AS1932/AS2646/AS3246 

 

Mobile Elevating Work Platform 

(Indoor/Outdoor Use) 

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 AS1932

Page 1: ...form Indoor Outdoor Use 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 ...

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Page 3: ... reproduction or copy of this manual is not allowed without the written approval 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 reserves the right to change the technical specifications and machine design without notice If any specifications and informati...

Page 4: ...measures listed in this manual are 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 responsible for the safety of such operations Do not perform any operation forbidden in this manual in any situation The following signal words are applicable for identifying ...

Page 5: ... Machine Nomenclature 9 Chapter 3 Controls 11 3 1 Ground Controls 11 3 1 1 Key Switch 11 3 1 2 Emergency Stop Switch 11 3 1 3 Platform Lift Switch 11 3 2 Platform Controls 12 3 2 1 Horn Button 12 3 2 2 Lift Switch 12 3 2 3 Display 12 3 2 4 Emergency Stop Switch 12 3 2 5 Drive Lift Control Lever 13 3 2 6 Drive Speed Button 13 3 2 7 Drive Function Button 13 3 2 8 Steer Switch 13 3 2 9 Enabling Switc...

Page 6: ...Controls 19 6 4 Test the Emergency Stop Switch 20 6 5 Test of Lifting Lowering Function 20 6 6 Emergency Lowering Function Test 20 6 7 Platform Controller Test 20 6 8 Horn Test 20 6 9 Lift Function and Function Enable Switch Test 21 6 10 Steering Test 21 6 11 Driving and Braking Function Test 22 6 12 Driving Function Test 22 6 13 Operation of Tilt Sensor Test 22 6 14 Pothole Guard Test 23 Chapter ...

Page 7: ...he Safety Prop 28 7 13 How to Stow the Guardrail 28 7 14 How to Erect the Guardrail 29 7 15 Extending and Retracting the Extending Platform Deck 29 7 16 Error Codes 30 Chapter 8 Transport and Lifting Instructions 35 8 1 Releasing the Brake 35 8 2 Transport Safety 36 8 3 Loading the Machine with a Forklift 37 8 4 Lifting Precautions 38 8 5 Parking and Storage 38 Chapter 9 Decals and Warning Labels ...

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Page 9: ...on and safety regulations the safe operation manuals and machine labels shall be read comprehended and followed The safety regulations for user and the site regulations shall be read comprehended and followed All applicable laws and regulations of the government are read understood and followed The appropriate training on safe operation of machine has been completed Notice Classification of hazard...

Page 10: ...o not use solvent based cleaners because they may damage the safety sign material 1 3 Workstation Safety Electrocution Danger This machine is not electrically insulated and does not provide protection from touching or getting close to electrical power lines Please keep a safe distance from power lines and power equipment according to the applicable laws and regulations Refer to the following table...

Page 11: ...2646E AS3246E is 0 5mph 0 8 kph The maximum elevated drive speed for model SS1230E is 0 31mph 0 50 kph 3 Do not use the tilt alarm as a level indicator The tilt alarm only sounds when the machine is severely tilted 4 If the tilt alarm sounds lower the platform and move the platform to flat solid ground If the tilt alarm sounds when elevating the platform lower the platform immediately 5 If the mac...

Page 12: ...t the use of the limit switch 21 Do not bind or tie the platform to a nearby structure or wall 22 Do not place the load outside the platform guard rail 23 Do not modify or change the aerial work platform without the written consent of the manufacturer Installing an additional device used for carrying tools or other materials on the platform pedal or guard rail will increase platform weight platfor...

Page 13: ...rom the ground using the controller use good judgment and carefully plan the travel path Keep a safe distance between the operator machine and any fixed objects walls or buildings Hazards When Operating on a Slope Do not drive the machine on a slope that exceeds the slope and side slope rating of the machine The rated value of slope is applicable to a stowed machine Refer to Chapter 10 Specificati...

Page 14: ...w the manufacturer s service rules for personal protection equipment the service rules for the workstation and the laws and regulations made by the local government Observe and follow the traveling arrow and the turning direction arrows on the platform controller and the platform s label and nameplate Do not operate the machine on the line of any crane or movable overhead machine unless the crane ...

Page 15: ...ep this manual in the manual box of the platform Personal Injury Hazards Do not operate the machine if it is leaking hydraulic oil Leaking hydraulic oil under pressure can pierce or burn skin Severe injury may result if any component below the cover is touched by mistake Only trained technicians can perform maintenance to the components under the cover The operator shall only perform maintenance b...

Page 16: ...c cable and wiring are damaged Replace the damaged items before the operation Take measures to prevent electric shock from touching the battery terminals When working on the electrical circuits remove all jewelry and metallic objects The battery charger can be connected to the grounded AC three wire power socket 1 5 Lock After Each Use 1 Choose a safe parking position which is solid and horizontal...

Page 17: ... shows a model AS1932 but the nomenclature is common for all other models 1 Pedal 2 Guardrail 3 Platform Door 4 Scissor Stack Arm 5 Safety Prop 6 Ladder 7 Tire and Wheel 8 Charging Panel 9 Pothole Protection Device 10 Lift Cylinder 11 Main Work Platform 12 Extending Platform 13 Manual Box 14 Control Box ...

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Page 19: ... off Notice The key can be inserted or removed only when the switch is in the center position Some machines are equipped with optional switches that allow the keys to be inserted or removed at all three positions 3 1 2 Emergency Stop Switch The power supply to the machine is disconnected when the emergency stop switch is pressed Notice An emergency stop switch is installed on both the chassis and ...

Page 20: ...tteries displays charging status Table 4 Data on the Display Operating step Displayed data Power on but no moving Battery capacity Move forward or backward Battery capacity Lift up the platform Battery capacity Lower the platform Battery capacity A fault occurs Error code Chassis control mode C H 3 2 4 Emergency Stop Switch The power supply to the machine is disconnected when the emergency stop sw...

Page 21: ...irection indicated by the blue arrow or lower when the control lever is moved to the direction indicated by the yellow arrow Notice When the platform is lowering the lowering alarm will beep Notice If using emergency lowering the alarm will not beep 3 2 6 Drive Speed Button Pressing this button will select the slow or fast drive function 3 2 7 Drive Function Button Pressing this button activates t...

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Page 23: ...erator before each work shift The purpose of the inspection is to check the machine for any significant problems before performing the Function Test 3 The pre operation inspection can also be used for confirming if routine maintenance is required The operator shall only perform routine maintenance as specified in this manual 4 Check the list in the next page and check every item 5 If any damage is...

Page 24: ...issing parts or unauthorized changes to components a Battery pack and connections b Electric element wiring and cable c Nuts bolts and all other fasteners d Hydraulic hoses connectors cylinders and valves e All Indicator lamps and alarms f Safety props g Pothole guards h Platform overload components if equipped i Scissor arm pins and fasteners j Limit switches alarms and horn k Drive motors l Tire...

Page 25: ...spection procedures the operator can determine if the safe operation of machine is possible from the workstation The operator shall carry out this process before operating the machine from the workstation 2 Understanding the hazards of the workstation are the responsibilities of the operator Avoid these hazards while moving delivering or operating the machine 5 2 Workstation Inspection Be aware of...

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Page 27: ...t test all machine functions as outlined in this section 3 Do not use a damaged or malfunctioning machine Tag out the control boxes and do not use the machine until repairs have been made 4 Only qualified maintenance technicians are permitted to repair the machine as per the regulations of the manufacturer 5 After repairs or maintenance have been performed the operator must perform out the Pre Ope...

Page 28: ...t control switch Result The platform will elevate 5 Push down and hold the platform lift switch Results The platform will lower When the platform is lowering the alarm shall sound 6 Push down and hold the platform lift switch again Result The platform shall descend to the lowest position When the platform descends the alarm will sound 6 6 Emergency Lowering Function Test 1 Push up the platform lif...

Page 29: ...ve the control handle as per the yellow arrows Result The platform will lower When the platform lowers the lowering alarm will sound 6 10 Steering Test Notice Face the end of the machine that steers when testing the steering and driving functions 1 Press the drive function selector switch The drive function indicator will light 2 Press the enable switch on the control handle 3 Press the rocker swi...

Page 30: ...ight up Press and hold the enable switch to lift the platform to the height called out in the following table Result The pothole guards will be deployed Table 5 Pothole Deployment Height When Driving Model Height AS1932 4 3ft 1 3m AS3246 6 9ft 2 1m AS2646 2 Press the drive function selector button The indicator light will light up 3 Press the enable switch on the control handle and slowly move the...

Page 31: ...hole guards fail to be deployed the alarm will sound and the machine will stop all drive and steer functions 1 Lift the platform Result When the platform elevates a given height as shown in the following table the pothole guards will be deployed Table 7 Pothole Deployment Height When Elevating Model Height AS1932 4 3ft 1 3m AS3246 6 2ft 1 9m AS2646 7 51ft 2 29m 2 Press one side of the pothole guar...

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Page 33: ...tailed operating instructions for all functions are outlined in this Operation section It is the operator s responsibility to follow all safety regulations and descriptions in this operation and maintenance manual 3 It is prohibited to use the machine for any purpose other than carrying the staff equipment tool and material to the overhead workstation 4 Only trained and authorized personnel can op...

Page 34: ...eering 1 Press the drive function selector switch 2 Press the enable key on the control handle 3 Turn the wheels in the desired direction using the rocker switch on the top of control handle 7 9 Drive 1 Press the drive function selector switch 2 Hold the enable switch on the control handle 3 To increase speed slowly move the control handle away from the centered position To decrease speed slowly r...

Page 35: ... safe distance between the operator machine and any stationary object 2 Be cautious and aware of the driving direction of machine when using the controller from the ground 3 Identify the battery level with the LED display Table 9 Battery Level as Shown on LED Display Platform Display Battery Percentage Description 90 100 The battery capacity is full 70 Percentage of remaining battery capacity 50 P...

Page 36: ...at between the guardrails on the main platform and the extended platform from the inside of the platform and place it in the platform 4 Remove one solid retaining pin from the right front part of the extended platform and fold the right guardrail of the extended platform inward Do not place your hands in places where there may be a pinch point 5 Remove one solid long retaining pin from the left fr...

Page 37: ...lt the right guardrail of the extending platform inward Do not place your hands in places where there may be a pinch point 8 Remove the retaining pins at the rear of right guardrail of main platform 9 Tilt the rear right guardrail forward Do not place your hands in places where there may be a pinch point 10 Install the removed retaining pins onto the right guardrail bracket 11 Fold the left and ri...

Page 38: ...ifting and running 31 Pressure sensor error Stop all actions 32 Angle sensor error Stop all actions 33 1412 light load mode data calibration error Disable lifting with handle 35 Calibration data error Display alarm only 36 Low battery alarm 38 Activated overload function and uncompleted weight calibration error Disable lifting with handle 39 The battery level switch detects the low level of the ba...

Page 39: ...le valve error Disable action 66 Motor controller emergency reverse error 67 Motor controller HPD error 68 Low voltage alarm Stop all actions 69 High neutral current MC is detecting current in the motor but there shall be no current in this case Disable action 70 The steering input is beyond the range the improper voltage is in the steering input 71 Motor controller main contactor error Disable ac...

Page 40: ...lected 32 Angle sensor error Check the sensor wiring and the sensor Check to confirm that the correct machine option with overload detection is selected 33 1412 light load mode unsuccessful overload weight function data calibration error Carry out weight calibration again 38 Error of unsuccessful overload weight function calibration Carry out weight calibration again 39 Too low level of the batter...

Page 41: ...he motor controller is set to off 67 The motor enable delay may be too short and confirm that parameter of other motor controllers is correct 68 Low voltage error Check the battery voltage and charge if necessary Check connection between the battery and the switch reinforce or clean it Check whether the voltage of the PCU and the ECU is normal 69 MC is detecting current in the motor but there shal...

Page 42: ... If the machine tilts try to make it recover horizontal status If the machine is horizontal check the wiring of the level sensor or the sensor Historical error status 1 The controller can display the latest 10 error alarm codes Press the right turn key on top of handle and hold it for 10 seconds do not press the enable switch of the handle to log in the historical error status 2 Press the left tur...

Page 43: ...to the nameplate on the machine for gross weight Be sure to load the machine on a flat level surface and chock the wheels before releasing the brake Do not drive the machine when traveling up and down a slope or when driving on a slope exceeding the rated gradeability for the machine For driving on a slope refer to Chapter 7 Operating Instructions If the loading ramp of the hauling vehicle exceeds...

Page 44: ... transporting the machine Disconnect and remove the platform control box Store in a safe location prior to transporting the machine 4 Ensure the front and rear wheels are securely chocked and the machine is inspected to ensure there are no loose or unsecured parts 5 Secure the machine on the transport surface using the tie down areas on the chassis 6 Use at least four chains or tie straps 7 Be sur...

Page 45: ...nameplate 8 3 Loading the Machine with a Forklift 1 Be sure to secure the extending platform the controller and the chassis tray Remove all movable components from the machine 2 Completely lower the platform Keep the platform folded in each transport process 3 Use the forklift pockets on both sides of the ladder 4 Place the forks of the forklift into the forklift pockets 5 Drive the forklift forwa...

Page 46: ...the machine is not damaged and the machine is kept horizontal 8 5 Parking and Storage Follow the parking and storage instructions below 1 Drive the machine to a well protected and well ventilated area 2 Be sure to completely lower the platform 3 Push the emergency stop switch in to the OFF position 4 If necessary cover the control panel and the warning signs to protect them against the environment...

Page 47: ...LGMG North America Inc Operation and Safety Manual 39 Chapter 9 Decals and Warning Labels AS1932 AS2646 AS3246 Decal Diagram ...

Page 48: ...tion sign 32 Attention mark of skin infraction 10 Close the chassis bracket warning sign 33 Emergency drop mark 11 Warning signs for explosive burns 34 Whole machine nameplate 12 Battery charging sign 35 Warning line 13 Warning sign 36 Forklift Fork Position 14 Battery connection indicator identification 37 Battery charging sign 15 Hanger sign 38 Tilting hazard sign 16 Lifting Position 39 Lanyard ...

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Page 51: ...tform 3ft 0 9m Maximum allowable working angle forward 3 Maximum allowable working angle backward 3 Maximum allowable working angle sideward 1 5 Max Traveling speed Stowed 2 2mph 3 5Km h Max Traveling speed Elevated 0 5mph 0 8Km h Lifting lowering speed S 16 28 Minimum turning radius exterior 5 6ft 1 7m Gradeability 25 Overall length With ladder 6 ft 1 83m Without ladder 5 41ft 1 65m Overall width...

Page 52: ...0dBA Platform environment noise radiation 70dBA System pressure 3481psi 24MPa Tire contact pressure 177 76psi 1225 62KPa Ground pressure 274 5psf 11 85KPa Table 17 AS3246 Operating Specifications Item Parameter Maximum working height 39 4ft 12m Maximum height of platform 32 8ft 10m Extending size of platform 3ft 0 9m Maximum allowable working angle forward 3 Maximum allowable working angle backwar...

Page 53: ...selected pursuant to the order requirements Oil level in the oil tank when AS1932 is stowed after the whole machine has been fully elevated steered from stop to stop and driven is 1 6 gal 6L Oil level in the oil tank when AS2646 is stowed after the whole machine has been fully elevated steered from stop to stop and driven is 3 gal 11 5L Oil level in the oil tank when AS3246 is stowed after the who...

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Page 55: ...tem Check battery capacity Check that all buttons switches on the PCU panel function normally Ensure the PCU emergency stop switch is secure Check if all switches operate properly Check if any wiring harnesses are damaged Ensure the PCU wiring harness connector is secure Check if the PCU wiring harness connector is not damaged Check if the PCU wiring harness is crimped or damaged Check if the pres...

Page 56: ...e the battery posts are secure and not corroded Check the battery is secure and not damaged Check machine performance and various limit switches Check if any connector is loose damaged or corroded Hydraulic System Check if the pressure of the hydraulic system is normal Check if the lift system hydraulic pressure is normal Check if the steering system hydraulic pressure is normal Check if the drivi...

Page 57: ...sliding block Check for loose or damaged bolts or abnormal noise Check if any circlip or washer on fork arms are damaged worn or missing Check if the emergency lowering system operates properly Check if the platform scissor stack arm and chassis are deformed or have broken welds Check if the paint is excessively chips or peels off Check if the decals and safety signs are correct and legible Check ...

Page 58: ... temperature Remark L HM 32 anti wear hydraulic oil Minimum air temperature 5 15 L HM 32 anti wear hydraulic oil 40 40 minimum air temperature 5 15 Select the hydraulic oil suitable for ambient temperature pursuant to the order requirements 10 aviation hydraulic oil Minimum air temperature 40 40 ...

Page 59: ... Y Yes completed N No un completed R Repaired Evaluation Annual Inspection Y N R Operation inspection completed Maintenance item completed Function test completed Model Serial number Manufacturing Date Owner Inspector Title of inspector Inspection company Inspection Date Last Annual Inspection Date ...

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Page 62: ...evating Work Platform Operation and Safety Manual First edition July 2019 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 ...

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