Sinoboom GTJZ4647E Maintenance Manual
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Sinoboom GTJZ4647E Maintenance Manual

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Part No.501050110002
Rev: A
Jul.2020
Maintenance
Manual
产品说明书
PRODU
C T MAN U AL
GTJZ1412E/1412E/4647E
GTJZ1414E/1414E/4655E
0608E (2132E)
G T JZ
GTJZ1412E Plus/1412E Plus/4647E Plus
0808E (2732E)
G T JZ
0808E (2732E)
G T JZ
G T JZ
0808E (2732E)

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Summary of Contents for Sinoboom GTJZ4647E

  • Page 1 Maintenance Part No.501050110002 Rev: A Manual Jul.2020 产品说明书 PRODU C T MAN U AL GTJZ1412E/1412E/4647E GTJZ1414E/1414E/4655E 0608E (2132E) G T JZ GTJZ1412E Plus/1412E Plus/4647E Plus 0808E (2732E) G T JZ 0808E (2732E) G T JZ G T JZ 0808E (2732E)
  • Page 3 Operating, servicing and maintaining this vehicle or equipment can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle or equipment in a well-ventilated area and wear gloves or wash your...
  • Page 4 : No.128, East Jinzhou Avenue, Ningxiang High-tech Industrial Park, Changsha, Hunan, China Zip Code : 410600 Copyright © Hunan Sinoboom Intelligent Equipment CO.,Ltd. All Rights Reserved The final interpretation right of this manual belongs to Hunan Sinoboom Intelligent Equipment CO.,Ltd.
  • Page 5 APPLICATION Use the following table to identify the specific serial number for models included in this manual. Check the model of your machine before consulting the manual, and then use the correct manual according to the serial number of the model. See the nameplate on your machine to identify the model and serial number.(See the Operation Manual for details.) Trade identification MODELS...
  • Page 6 This Page Intentionally Left Blank...
  • Page 7 This manual covers the basic parts information of one or more products. Therefore, please use this manual according to your needs. If you find problems in the manual or have suggestions for improve- ment, feel free to share your feedback with Sinoboom, and we will address these issues as soon as possible.
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  • Page 9: Table Of Contents

    TABLE OF CONTENTS Machine Control System ....3-1 Introduction ......iii Safety Measures ..... . 3-1 1 Performance Parameters ..
  • Page 10 A-18 Perform Maintenance After Testing the Function Pump ..5-4 30 Days ......4-13 Removing the Hydraulic Power Unit 5-5 Checklist B Procedures .

  • Page 11: Introduction

    The owner or administrator of the machine shall also provide the manufacturer’s maintenance information to the person responsible for maintaining the machine. If you have any questions, contact Hunan Sinoboom In- telligent Equipment Co., Ltd.. GTJZ1412E&1414E&1412E Plus Maintenance Manual © Jul.2020...
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  • Page 13: Performance Parameters

    PERFORMANCE PARAMETERS SPECIFICATION Table 1-1 GTJZ1412E Specifications GTJZ1412E (METRIC) 4647E (IMPERIAL) MEASURE DIMENSION PARAMETERS Max. platform height 13.8m 45ft 3in. Max. working height 15.8m 51ft 10in. Max. horizontal extension 0.9m Length 2.78m Width 1.27m 4ft 2in. Height (stowed, rails folded) 1.96m 6ft 5in.
  • Page 14 PERFORMANCE PARAMETERS GTJZ1412E (METRIC) 4647E (IMPERIAL) MEASURE Rated load capacity of a single tire 1200kg 2646 lb Max. allowable manual force (indoor only) 400N 90 lbf Max. noise 72dB POWER PARAMETERS Hydraulic tank capacity 3.3 gal(imperial)/4 gal(US) Hydraulic system capacity (including tank) 9 gal(imperial)/10.8 gal(US) Hydraulic system pressure 21MPa...
  • Page 15 PERFORMANCE PARAMETERS GTJZ1414E (METRIC) 4655E (IMPERIAL) MEASURE Wheel span 1.26m 4.1ft Ground clearance (pothole guards 0.1m 4in. retracted) Ground clearance (pothole guards 25mm 0.98in. deployed) Tire size (diameter × width / type) Φ380×125mm/Solid Φ15×5 in/Solid Platform dimension (Length × Width × 2.64×1.15×1.1m 8ft 8in.×3ft 9in.×3ft 7in.
  • Page 16 PERFORMANCE PARAMETERS GTJZ1414E (METRIC) 4655E (IMPERIAL) MEASURE Allowable ambient temperature (lead-acid -10℃ to 40℃ 14℉ to 104℉ batteries) Allowable ambient temperature (lithium -20℃ to 40℃ -4℉ to 104℉ batteries) Max. allowable ambient relative humidity Stored at -20℃ to 50℃(-4℉ to 122℉) in a well-ventilated environ- Storage condition ment with 90% relative humidity (20℃...
  • Page 17 PERFORMANCE PARAMETERS 1412E Plus(METRIC) 4647E Plus(IMPERIAL) MEASURE Uptime (in a no-load state) 75～85 s Downtime (in a no-load state) 55～63 s Gradeability 3°(Front to back)/1.5°(Left to right) Max. allowable inclination Turning radius (inside) Turning radius (outside) 2.64m 8ft 8in. Rated load capacity of a single tire 1200kg 2646 lb Max.

  • Page 18: Power System Specifications

    PERFORMANCE PARAMETERS POWER SYSTEM SPECIFICATIONS Table 1-4 MEASURE SPECIFICATIONS HYDRAULIC OIL Normal temperature region (32°F ~ 104°F [0°C ~ 40°C]) L-HM46 Cold region (-13°F ~ 77°F [-25°C ~ 25°C]) L-HV32 Hot region (>104°F [40°C]) L-HM68 Extremely cold region (<-22°F [-30°C]) Special scheme to be determined HYDRAULIC PUMPS Type...

  • Page 19: Hydraulic Hose Torque

    PERFORMANCE PARAMETERS HYDRAULIC HOSE AND FITTING SPECIFICATIONS HYDRAULIC HOSE TORQUE Hydraulic hoses must be torqued to the following specifications. Table 1-5 Hydraulic Hose Torque L (LIGHT-DUTY) S (HEAVY-DUTY) METRIC THREAD 19 ± 1 Nm (14 ± 1 ft-lb) M12 × 1.5 26 ±...
  • Page 20 PERFORMANCE PARAMETERS INSTALLED INTO INSTALLED INTO STEEL ALUMINUM THREAD SIZE ED, O-RING + CIRCLIP ED, O-RING + CIRCLIP O-RING 75 ± 5 Nm (55 ± 4 ft-lb) 75 ± 5 Nm (55 ± 4 ft-lb) 45 ± 3 Nm (33 ± 4 ft-lb) M18×1.5 90 ±...
  • Page 21 PERFORMANCE PARAMETERS INSTALLED INTO INSTALLED INTO STEEL ALUMINUM THREAD SIZE ED, O-RING + CIRCLIP ED, O-RING + CIRCLIP O-RING G1-1/2A 280 ± 20 Nm (207 ± 15 ft-lb) 540 ± 30 Nm (398 ± 22 ft-lb) S (HEAVY-DUTY) G1/4A 40 ± 3 Nm (30 ± 2 ft-lb) 43 ±...

  • Page 22: Hydraulic Hose And Fitting Torque

    PERFORMANCE PARAMETERS 3. Properly seat the O-ring. HYDRAULIC HOSE AND FITTING TORQUE PROCEDURE 4. Position the tube and nut squarely on the fitting. Then tighten the nut as required. The hydraulic hose and fitting must be torqued to the 5. Tighten the nut or fitting to the torque specified in following requirements when they are installed.
  • Page 23 PERFORMANCE PARAMETERS NOMINAL DIAMETER PITCH (MM) CLASS 8.8 CLASS 10.9 CLASS 12.9 (MM) 750 Nm (553 ft-lb) 1050 Nm (774 ft-lb) 1250 Nm (923 ft-lb) 800 Nm (590 ft-lb) 1100 Nm (811 ft-lb) 1300 Nm (959 ft-lb) 1150 Nm (848 ft-lb) 1500 Nm (1106 ft-lb) 1800 Nm (1327 ft-lb) 1500 Nm (1106 ft-lb)
  • Page 24 PERFORMANCE PARAMETERS This Page Intentionally Left Blank © Jul.2020 1-12 GTJZ1412E&1414E&1412E Plus Maintenance Manual...

  • Page 25: Safety

    SAFETY Read, understand and comply with the safety rules and NOTICE regulations of your workplace and your government. Indicates a situation that can cause damage to the Before using the machine, obtain proper training on engine, personal property and/or the environment, or safe machine operation and make sure you can safely cause the equipment to operate improperly.

  • Page 26: Tipping Hazards And Rated Load

    SAFETY Extending: Extension only 120 kg(265 lb) GTJZ1414E ELECTRICAL SHOCK HAZARDS Retracting 227 kg(500 lb) • Always maintain a safe distance Extending: Stationary only 107 kg(235 lb) from power lines and electrical equipment in accordance with ap- Extending: Extension only 120 kg(265 lb) plicable government regulations and see...
  • Page 27 SAFETY TIPPING HAZARDS TIPPING HAZARDS • Do not replace key parts that af- • Personnel, equipment and materi- fect machine stability with differ- als on the platform must not ex- ent weights or specifications. ceed the maximum load capacity. • Do not modify or change moving •...

  • Page 28: Work Environment Hazards

    SAFETY WORK ENVIRONMENT HAZARDS UNSAFE JOBSITE HAZARDS the platform when the wind speed exceeds 12.5 m/s (28 mph). If the wind speed exceeds 12.5 m/s (28 mph) after the platform is lifted, UNSAFE JOBSITE HAZARDS fold the platform and do not con- tinue to operate the machine.

  • Page 29: Unsafe Operation Hazards

    SAFETY NOTICE UNSAFE OPERATION HAZARDS Maximum climbing ability is suitable for machines with platform retracted. • Do not push any object outside Maximum Slope: the platform. The maximum lateral force allowed is: GTJZ1412E: 25% (14°） GTJZ1414E: 25% (14°） 1412E Plus: 25% (14°） GTJZ1412E: 400 N(90 lbf) indoor only...

  • Page 30: Fall Hazards

    SAFETY UNSAFE OPERATION HAZARDS FALL HAZARDS • Do not allow the platform to touch • Each person on the platform must nearby objects. wear harnesses or use safety • Do not tie the platform onto near- equipment consistent with gov- by objects.

  • Page 31: Crush Hazards

    SAFETY COLLISION HAZARDS COLLISION HAZARDS • Never operate a machine danger- • Pay attention to the field of sight ously or for fun. and the presence of blind spots when moving or operating the machine. • Pay attention to the extended plat- CRUSH HAZARDS form when moving the machine.

  • Page 32: Damaged Machine Hazards

    SAFETY DAMAGED MACHINE BATTERY HAZARDS HAZARDS NOTICE FIRE AND EXPLOSION HAZARD To avoid machine damage, follow all operation and • Batteries contain sulfuric acid and maintenance requirements in this manual and the generate explosive mixtures of Maintenance Manual. hydrogen and oxygen gases. Keep any device that may cause sparks or flames (including cigarettes/smoking materials)

  • Page 33: Charging The Battery

    SAFETY HYDRAULIC SYSTEMS NOTICE HAZARD After charging the battery, be sure that: • The battery cable connections are free of corrosion. • The battery hold-down and cable connections are secured. BURN AND HIGH PRESSURE HAZARD Adding terminal protection and anti-corrosion sealants will help reduce corrosion of the battery •...

  • Page 34: After Using The Machine

    SAFETY WELDING HAZARDS • Comply with the welder manufac- turer’s recommendations for pro- cedures concerning proper use of the welder. • Welding leads or cables may only be connected after turning off the power unit. • Carry out welding operations only after the welding cable has been correctly connected.

  • Page 35: System Descriptions

    SYSTEM DESCRIPTIONS the angle of machine on X-axis and Y -axis. When the POWER angle on X-axis exceeds 1.5 degrees or the angle on Y- axis exceeds 3 degrees, the alarm will be triggered, and the function of lift, drive or steer will be limited. GTJZ1412E&1414E&1412E Plus machines are pow- ered by four 12V batteries(two in tandem) or a 24V lith- A pothole limit switch confirms if the pothole guards are...
  • Page 36 SYSTEM DESCRIPTIONS This Page Intentionally Left Blank © Jul.2020 GTJZ1412E&1414E&1412E Plus Maintenance Manual...

  • Page 37: Maintenance

    MAINTENANCE This section provides detailed procedures for regular – Ensure the key switch of the ground controller is maintenance inspections. in the OFF position and remove the key to pre- vent unauthorized use of the machine. – Place the red emergency stop button on the plat- form control box and ground controller in the OFF position to avoid accidental start-up of the UNSAFE OPERATION HAZARD...

  • Page 38: Following Amaintenance Schedule

    MAINTENANCE 2. Use the following table to note the results. After re-inspected after repair is completed and marked each section is complete, mark the appropriate box. in the box marked "inspection". 3. Record the inspection results. If any inspection re- sults are "NO", the machine must be stopped and Table 4-1 PREPARE THE WORK RECORD BEFORE DELIVERY...
  • Page 39 MAINTENANCE Table 4-3 REPAIR & INSPECTION REPORT Model Serial No. Checklist A Procedures REPAIRED/Ma- YES/Machine is NO/Machine Has Problem chine Has Been Items in Good Damage or Description Repaired Condition Malfunction A-1 Inspect All Manuals A-2 Inspect All Decals A-3 Inspect Damaged, Loose or Lost Parts A-4 Inspect Hydraulic Oil Level...
  • Page 40 MAINTENANCE REPAIR & INSPECTION REPORT REPAIRED/Ma- YES/Machine is NO/Machine Has Problem chine Has Been Items in Good Damage or Description Repaired Condition Malfunction B-1 Inspect Electric Wires B-2 Inspect Rim ,Tire and Fasteners B-3 Inspect Battery B-4 Inspect Hydraulic Oil B-5 Inspect Hydraulic Oil Tank Ventilation System B-6 Inspect Brake Manual...

  • Page 41: Checklist Aprocedures

    MAINTENANCE CHECKLIST A A-3 Inspect Damaged, Loose or Lost Parts PROCEDURES Inspecting the condition of the machine daily is impor- tant for the safe and reliable operation of the machine. A-1 Inspect All Manuals Never operate a machine with damaged, loose or lost parts.

  • Page 42: Inspect Hydraulic Oil Level

    MAINTENANCE • The area around the machine A-4 Inspect Hydraulic Oil Level Ensuring appropriate hydraulic oil is important for prop- A-6 Functional Tests er operation of the machine. Operating the machine with an improper hydraulic oil level can damage hy- draulic components.
  • Page 43 MAINTENANCE 9. Backspace Key 1. Insurance 2. Emergency Stop Button 10. Page Up Key 11. Enabling Key 3. OFF Position 1. Hold down the enabling and lifting key at the 12. Lowering Key 4. Platform Control Position same time to start the lifting function. Ensure the 5.
  • Page 44 MAINTENANCE 1. Right 8. Emergency Stop Button 9. Display Screen 2. Left Enabling key 3. Enabling Key 10. Lifting/Lowering Do not press the enabling key on the control handle. 4. Lifting 11. Horn Push the control handle forward and backward . En- sure that all walking and lifting functions stop 5.

  • Page 45: Inspect Emergency Lowering

    MAINTENANCE Figure 4-4 Forward Back 5. The platform shall descend to the lowest position. A-8 Test Braking Device 1. Press the driving and steering button. The button should illuminate. Braking device must operate smoothly and be in good condition for safe and proper operation of the machine. 2.

  • Page 46: Testing Traveling Speed

    MAINTENANCE 3. Test full lifting time. See Table 4-5 , page 4-10. NOTICE If the machine takes less than 135 seconds to Table 4-5 travel 30 m (98.4 ft), stop the machine and deter- mine the cause. Models Platform Lift Time GTJZ1412E 75～85 s 6.

  • Page 47: Inspect The Tilt Protection

    MAINTENANCE when the light of the low-speed traveling button the platform controller and the ground controller dis- illuminates. play the letters “LL.” 7. Completely lower the platform. Change the ma- chine’s platform lifting function to a walking function. Drive the machine down and remove the wooden boards.

  • Page 48: Inspect Platform Weighing

    MAINTENANCE 2. Use ground controller to lift and lower the platform A-14 Inspect Platform Weighing without loading twice; the platform must operate in System(optional) its normal state. 3. Lower the platform until the scissor arm is in the The platform weighing system is optional. Make sure fully retracted state.

  • Page 49: Limit

    MAINTENANCE handle and return it to the middle position. Reacti- A-16 Inspect Platform Lowering Limit vate the lowering function using the platform con- troller. After 5 seconds, the platform will continue to 1. Park the machine on flat, level and firm ground. lower.

  • Page 50: Fasteners

    MAINTENANCE damaged or corroded wires before operating the • Platform controller junction box machine. 2. Inspect the flexile joints, and confirm that the joints are tight and the sensor lines are not damaged. B-2 Inspect Rim, Tire and Fasteners ELECTRICAL SHOCK HAZARD Good maintenance of rims and tires is important for the Be sure to disconnect the battery safe operation of the machine.

  • Page 51: Inspect Battery

    MAINTENANCE Table 4-10 Torque Value Name Bolts (steering wheel mounting) 130Nm(96 ft-lb) Bolts (non-steering wheel mounting) 130Nm(96 ft-lb) Slotted nut (non-steering wheel mounting) 420Nm(310 ft-lb) Bolt (drive deceleration motor installed) 51Nm(38 ft-lb) Bolt (mounting place of hub and axle seat) 130 Nm(96 ft-lb) 4.

  • Page 52: Inspect Hydraulic Oil

    MAINTENANCE INSPECT THE MAINTENANCE-FREE pump and its normal service life. The hydraulic pump would operate abnormally if the air filter of the hydraulic BATTERIES oil tank is dirty or blocked, and hydraulic components • Wear protective clothing and goggles properly. may be damaged after repeated use of a dirty or blocked air filter.

  • Page 53: Checklist Cprocedures

    MAINTENANCE CHECKLIST C PROCEDURES C-1 Replace Hydraulic Oil Tank Air Filter Replacing the air filter of the hydraulic oil tank is important for the proper operation and the service life of the machine. A dirty or blocked filter may cause the machine to operate improperly.

  • Page 54: Checklist Dprocedures

    MAINTENANCE CHECKLIST D Figure 4-7 PROCEDURES D-3 Replace Hydraulic Oil Tank Return D-1 Inspect Scissor Arm Installation Oil Filter Element Bearing Replacing the return oil filter of the hydraulic oil tank is Effectively maintaining the scissor arm installation important for the proper operation and the service life of bearing is important for proper operation of the the machine.

  • Page 55: Inspect Key Structural Parts

    MAINTENANCE hydraulic oil and the filter screen become dirty, and the hydraulic parts may be damaged after repeated use of dirty hydraulic oil. Replace the hydraulic oil when the HIGH-PRESSURE HAZARD service environment is very dirty. As required in the specifications, replace the hydraulic oil once a year.
  • Page 56 MAINTENANCE This Page Intentionally Left Blank © Jul.2020 4-20 GTJZ1412E&1414E&1412E Plus Maintenance Manual...

  • Page 57: Maintenance Procedures

    MAINTENANCE PROCEDURES NOTICE Perform this procedure when the scissor arm has been fully retracted. Maintenance procedures must be performed by qualified, trained and competent personnel in a properly 1. Disconnect the external power supply. Turn the equipped workshop. emergency stop button on the platform controller and ground controller to the OFF position.

  • Page 58: Removing The Extension Platform

    MAINTENANCE PROCEDURES 3. Connect the scissor arm with a traveling crane. Removing the Extension Platform 4. Remove the bolts of the fixed clevis pin. 1. Remove the platform. Refer to Removing the Plat- form, page 5-1. 2. Loosen the bolts of all rails. Remove rails and put them aside.

  • Page 59: Chassis Components

    MAINTENANCE PROCEDURES NOTICE Be sure to disconnect the battery charger and main power from the machine before removing the drive motor. 1. Remove the electrical components on the motor. 2. Remove the tire bolts and remove the front wheel mounted on the deceleration motor. 3.

  • Page 60: Removing The Steering Cylinder

    MAINTENANCE PROCEDURES 4. Remove the front wheel bracket. HYDRAULIC SYSTEM Removing the Steering Cylinder Testing the Function Pump NOTICE NOTICE When installing the removed hose and fitting, it must When installing the removed hose and fitting, it must be tightened according to the specified torque. See be tightened according to the specified torque.

  • Page 61: Removing The Hydraulic Power Unit

    MAINTENANCE PROCEDURES Removing the Hydraulic Power Unit Removing the Hydraulic Oil Tank BURN AND HIGH-PRESSURE BURN AND HIGH-PRESSURE HAZARDS HAZARDS Allow the hydraulic components to Allow the hydraulic components to cool to room temperature before cool to room temperature before per- performing service.

  • Page 62: Installing The Cartridge Valve

    MAINTENANCE PROCEDURES 1. Open the right door of the chassis and locate the 1. Immerse the valve into clean oil and lubricate the O- hydraulic valve block. ring. 2. Disconnect and plug the hoses and fittings on the 2. Screw in the cartridge valve by hand until the O-ring valve block, and tag the machine.

  • Page 63: Regulating The Platform Lifting

    MAINTENANCE PROCEDURES 4. Switch the key switch to the platform controller. Pull Regulating the Platform Lifting the emergency stop button on the ground controller Overflow Valve and the platform control box out to the “ON” position. NOTICE 5. Holding the platform controller, press and hold the turn right button to bring the wheel to the right limit Be sure the hydraulic tank is full of oil.

  • Page 64: Hydraulic Symbols

    电驱剪叉液压原理图 标记 处数 更改文件号 签 字 日期 设 计 标准化 刘晓 图 样 标 记 重 量 比 例 17.4787 101048050002 审 核 银友国 共 页 第 页 工 艺 刘奇志 日 期 2018.10.25 MAINTENANCE PROCEDURES 46.7096 34.4087 Symbol Description 电驱剪叉液压原理图...

  • Page 65: Hydraulic Schematic Diagram

    MAINTENANCE PROCEDURES Hydraulic Schematic Diagram GTJZ1412E&1414E&1412E Plus hydraulic schematic diagram Upper lifting cylinder Lower Lift cylinder Load sensor(options) Steer cylinder GTJZ1412E&1414E&1412E Plus Maintenance Manual © Jul.2020...

  • Page 66: Electrical System

    MAINTENANCE PROCEDURES • Voltmeter (for flooded/wet battery, colloid and AGM ELECTRICAL SYSTEM battery) Description Batteries are divided into three types: lithium battery, lead-acid battery and lead-acid maintenance-free battery. The lithium battery and lead-acid maintenance- free battery require some care but no maintenance. BATTERY HAZARDS Always read and comply with the battery manufacturer’s...
  • Page 67 MAINTENANCE PROCEDURES • Always wear protective clothing, gloves and goggles Inspection when handling the battery. • Inspect the battery. The top of the battery and • Do not smoke near the battery, and keep the battery terminal connections must be kept clean and free away from sparks, flames and metal objects.
  • Page 68 MAINTENANCE PROCEDURES • The charge for this equipment is automatic and EQUALIZATION preprogrammed so that the user does not need to Equalization is the deliberate process of overcharging interfere with the charging process. the flooded/wet battery after it has been fully charged. •...
  • Page 69 MAINTENANCE PROCEDURES Open-Circuit Voltage (V) Percentage Charging Specific Gravity （%） Battery Cell 1.098 1.943 5.83 11.66 1.073 1.918 5.75 11.51 • Recharge the battery in quick mode when the Test of Specific Gravity battery level is 70% or lower. 1. Fill and drain the specific gravity hydrometer 2-3 •...

  • Page 70: Use And Care Of Lead-Acid Battery

    MAINTENANCE PROCEDURES terminate the connection between the internal circuit • The battery terminal and related accessories and the battery to avoid charging and damaging the contain lead and lead components. Wash your battery. hands after handling them. • Output short-circuit protection: When there is an accidental output short circuit of the battery charger, Use and Care of Lithium Battery the battery charger will shut down the output...

  • Page 71: Trouble Diagnosis

    MAINTENANCE PROCEDURES • Use a special charger when charging, and avoid • The lithium battery has an automatic protection charging under direct sunlight. Do not charge the function: if the cell voltage is higher than 3.4V, the battery repeatedly after the battery is full. Keep battery system activates for a long period of time children away from the charging charger.
  • Page 72 MAINTENANCE PROCEDURES Code Problem Action Limit Solution Cell Voltage Low Fault 1: Tell BMS factory to check Disable Lifting, and Driving Cell Voltage Low on low speed battery. Fault 1 Cell Voltage Low Fault 2: Tell BMS factory to check Cell Voltage Low Disable Lifting and Driving battery.
  • Page 73 MAINTENANCE PROCEDURES Code Problem Action Limit Solution Forward Coil Fault: Check the connections to the Disable Lifting and Driving Coil’s terminals and make sure they are tight. If so, Forward Coil Fault check the coil itself to see if it is open or shorted. Reverse Coil Fault: Check the connections to the Disable Lifting and Driving Coil’s terminals and make sure they are tight.
  • Page 74 MAINTENANCE PROCEDURES Code Problem Action Limit Solution Motor Controller HPD Fault: Look at motor enable delay with the Scissor Programmer, it may be too Motor Controller HPD Disable All Motion short. Make sure other Motor Controller Fault parameters are properly selected. Total Voltage Low Fault 2: Check battery voltage Total Voltage Low and charge if necessary.
  • Page 75 MAINTENANCE PROCEDURES Code Problem Action Limit Solution Pump Motor Short Fault: Check connections to the Pump Motor Short Disable Lifting and Driving pump motor. Cycle power to the lift and if that does Fault not resolve the issue, replace the Motor Controller. Left Drive Motor Short Fault: Check the Motor Left Drive Motor Short Disable All Motion...

  • Page 76: Fundamental Troubleshooting

    MAINTENANCE PROCEDURES Code Problem Action Limit Solution Machine Tilted Beyond Safe Limits Fault: If the machine is tilted, find a way to make it level. If the Disable Lifting and Driving Machine Tilted machine is level, check the wiring to the tilt sensor and then the sensor itself.
  • Page 77 MAINTENANCE PROCEDURES Problem Cause Solution • Inspect whether the level switch is inserted properly Level status tilting is The level switch has not been and firmly. always sounding alarm connected or has trouble • Inspect whether the level switch is malfunctioning. •...
  • Page 78 MAINTENANCE PROCEDURES Problem Cause Solution • The high-speed hydraulic valve is connected There is no warning incorrectly. after descending to the Pothole protector minimum limiting • The installation of the travel switch is abnormal. position • The hydraulic valve is malfunctioning. •...

  • Page 79: Electrical Symbols

    MAINTENANCE PROCEDURES Electrical Symbols Table 5-7 Symbol Description Symbol Description Warning lamp Solenoid coil 8.5682 兰 棕 棕 兰 Charger Level switch 黑 28.5682 黑 28.5682 46.7096 28.5682 46.7096 28.5682 兰 棕 Two lines connected Two lines non-connected 黑 兰 棕...
  • Page 80 46.7096 46.7096 46.8000 34.4087 34.4087 MAINTENANCE PROCEDURES 32.0000 28.5682 Symbol Description Symbol Description 28.5682 16.0000 Storage battery Lithium battery 46.8000 Fuse © Jul.2020 5-24 GTJZ1412E&1414E&1412E Plus Maintenance Manual...

  • Page 81: Electrical Schematic Diagram

    MAINTENANCE PROCEDURES Electrical Schematic Diagram Battery and charger Fuse Contactor Fuse Emergency stop switch Key switch Emergency stop switch F1(275A) F2(10A) 4*6V battery Drive reducer,left Drive reducer,right Field coil Field coil MC Motor controller -BATT Lift Drive Drive Forward speed speed enable Lift...
  • Page 82 MAINTENANCE PROCEDURES © Jul.2020 5-26 GTJZ1412E&1414E&1412E Plus Maintenance Manual...
  • Page 83 MAINTENANCE PROCEDURES Platform control box Up-down switch Flash beacon Down limit switch Power of controller Up limit switch Pothole guard deploy detect Alarm Level sensor Angle sensor Pressure sensor CAN communication PLATFORM CAN1H CAN1H PCBA CAN1L CAN1L blue Down limit switch Pothole guard Alarm Angle sensor...
  • Page 84 MAINTENANCE PROCEDURES This Page Intentionally Left Blank © Jul.2020 5-28 GTJZ1412E&1414E&1412E Plus Maintenance Manual...

  • Page 85: Appendix 1: Prepare The Work Record Before Delivery

    APPENDIX 1: PREPARE THE WORK RECORD BEFORE DELIVERY PREPARE THE WORK RECORD BEFORE DELIVERY Model Serial No. REPAIRED/Machine YES/Machine is in NO/Machine Has Damage Inspection Item Has Been Repaired Good Condition or Malfunction Pre-operational Inspection Maintenance Procedure Functional Inspection Machine Buyer/ Renter Inspector Signature Inspector Title Inspector Company...
  • Page 86 MAINTENANCE PROCEDURES This Page Intentionally Left Blank © Jul.2020 GTJZ1412E&1414E&1412E Plus Maintenance Manual...

  • Page 87: Appendix 2: Repair & Inspection Report

    APPENDIX 2: REPAIR & INSPECTION REPORT REPAIR & INSPECTION REPORT Model Serial No. Checklist A Procedures REPAIRED/Ma- YES/Machine is NO/Machine Has Problem chine Has Been Items in Good Damage or Description Repaired Condition Malfunction A-1 Inspect All Manuals A-2 Inspect All Decals A-3 Inspect Damaged, Loose or Lost Parts A-4 Inspect Hydraulic Oil...
  • Page 88 MAINTENANCE PROCEDURES REPAIR & INSPECTION REPORT A-18 Perform Maintenance After 30 Days Checklist B Procedures REPAIRED/Ma- YES/Machine is NO/Machine Has Problem chine Has Been Items in Good Damage or Description Repaired Condition Malfunction B-1 Inspect Electric Wires B-2 Inspect Rim ,Tire and Fasteners B-3 Inspect Battery B-4 Inspect Hydraulic Oil...
  • Page 89 MAINTENANCE PROCEDURES REPAIR & INSPECTION REPORT Inspector Title Inspector Company NOTES: 1. The Repair & Inspection Report shall include the inspection table of each regular inspection. 2. Duplicate the Repair & Inspection Report for each inspection. Store the completed tables for 10 years or until the machine is no longer in use or as required by machine owner/company/custodian.
  • Page 90 Solution s Alw ays For B et t er A ccess Solution s Always for Better Access Solutions AS/N ZS Hunan Sinoboom Intelligent Equipment CO.,Ltd. 长沙市宁乡高新技术产业园区金洲大道东 128 号 No.128, East Jinzhou Avenue, Ningxiang High-tech Industrial Park, Changsha, Hunan, China 市宁乡高新技术产业园区金洲大道东...

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