Sinoboom GTJZ0608/2132 Maintenance Manual
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Sinoboom GTJZ0608/2132 Maintenance Manual

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Part No.501042110002
Rev: A
Aug 2020
Maintenance
Manual
产品说明书
PRODU
C T MAN U AL
GTJZ0608/0608/2132
GTJZ0808/0808/2732
0608E (2132E)
G T JZ
0808E (2732E)
G T JZ
0808E (2732E)
G T JZ
G T JZ
0808E (2732E)

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Summary of Contents for Sinoboom GTJZ0608/2132

  • Page 1 Maintenance Part No.501042110002 Rev: A Manual Aug 2020 产品说明书 PRODU C T MAN U AL GTJZ0608/0608/2132 GTJZ0808/0808/2732 0608E (2132E) G T JZ 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 of 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.
  • Page 8 This Page Intentionally Left Blank...

  • 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 ..5-5 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.. GTJZ0608&0808 Maintenance Manual © Aug 2020...
  • Page 12 This Page Intentionally Left Blank © Aug 2020 GTJZ0608&0808 Maintenance Manual...

  • Page 13: Performance Parameters

    PERFORMANCE PARAMETERS SPECIFICATION Table 1-1 GTJZ0608 Specifications GTJZ0608 (METRIC) 2132 (IMPERIAL) MEASURE DIMENSION PARAMETERS Max. platform height 6.3m 20 ft 8 in. Max. working height 8.3m 27 ft 3 in. Max. horizontal extension 0.9m 3 ft Length 2.46m 8 ft Width 0.83m 2 ft 8.7 in.
  • Page 14 PERFORMANCE PARAMETERS GTJZ0608 (METRIC) 2132 (IMPERIAL) MEASURE Rated load capacity of a single tire 1180kg 2601 lb Max. allowable manual force (indoor/ 400N（indoor）/200N 90 lbf（indoor）/45 lbf outdoor) （outdoor） （outdoor） Max. noise 72dB POWER PARAMETERS Hydraulic tank capacity 3.3 gal(imperial)/4 gal(US) Hydraulic system capacity (including tank) 3.5 gal(imperial)/4.2 gal(US) Hydraulic system pressure...
  • Page 15 PERFORMANCE PARAMETERS GTJZ0608 (METRIC) 2132 (IMPERIAL) MEASURE Height (stowed, rails up) 2.36m 7 ft 9 in. Wheel base 1.88m 6 ft 2 in. Wheel span 0.64m 2.1 ft Ground clearance (pothole guards 0.1m 4 in. retracted) Ground clearance (pothole guards 25mm 0.98 in.

  • Page 16: Power System Specifications

    PERFORMANCE PARAMETERS GTJZ0608 (METRIC) 2132 (IMPERIAL) MEASURE Max. allowable altitude 1000m 3280 ft 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℃...

  • Page 17: Specifications

    PERFORMANCE PARAMETERS MEASURE SPECIFICATIONS HYDRAULIC RETURN FILTER Bypass pressure 0.25 MPa ( 36.3 Psi) NOTICE Different hydraulic oils can be added according to customer requirements upon factory delivery, but cannot be mixed. GTJZ0608&0808 Maintenance Manual © Aug 2020...

  • Page 18: Hydraulic Hose Torque

    PERFORMANCE PARAMETERS HYDRAULIC HOSE AND FITTING SPECIFICATIONS HYDRAULIC HOSE TORQUE Hydraulic hoses must be torqued to the following specifications. Table 1-4 Hydraulic Hose Torque L (LIGHT-DUTY) S (HEAVY-DUTY) METRIC THREAD 19 ± 1 Nm (14 ± 1 ft-lb) M12 × 1.5 26 ±...
  • Page 19 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 20 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 21: 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 22 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 23: 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 24: Tipping Hazards And Rated Load

    SAFETY Extending: Extension only 120kg(265 lb) GTJZ0808 ELECTRICAL SHOCK HAZARDS Retracting 250kg(551 lb) • Always maintain a safe distance Extending: Stationary only 130kg(287 lb) from power lines and electrical equipment in accordance with ap- Extending: Extension only 120kg(265 lb) plicable government regulations and see Table 2-1 , page 2-2.
  • Page 25 SAFETY TIPPING HAZARDS TIPPING HAZARDS • On the platform, do not attach an • Personnel, equipment and materi- additional device for placing tools als on the platform must not ex- or other materials to the guardrail. ceed the maximum load capacity. This will increase the platform weight, surface area and load.

  • Page 26: 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 27: 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: 25% (14°） the platform. The maximum lateral force allowed is: Climbing capacity means the maximum allowable tilt angle of the machine when it is on solid ground and the platform is only capable of carrying one person.

  • Page 28: Fall Hazards

    SAFETY UNSAFE OPERATION HAZARDS FALL HAZARDS • Do not put the load outside the • Each person on the platform must platform. wear harnesses or use safety • When the platform is caught or equipment consistent with gov- stuck or when other objects in the ernment regulations.

  • Page 29: 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 30: 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 31: 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 32: 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 33: System Descriptions

    SYSTEM DESCRIPTIONS angle on X-axis exceeds 1.5 degrees or the angle on Y- POWER axis exceeds 3 degrees, the alarm will be triggered, and the function of lift, drive or steer will be limited. GTJZ0608&0808 machines are powered by four 6V A pothole limit switch confirms if the pothole guards are batteries in series or a 24V lithium battery to drive a fully deployed.
  • Page 34 SYSTEM DESCRIPTIONS This Page Intentionally Left Blank © Aug 2020 GTJZ0608&0808 Maintenance Manual...

  • Page 35: 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 36: 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 37 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 38 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 39: 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 40: Inspect Hydraulic Oil Level

    MAINTENANCE • All hydraulic cylinders, pumps , motor, brake manual A-4 Inspect Hydraulic Oil Level release valve • All hydraulic valve blocks Ensuring appropriate hydraulic oil is important for prop- er operation of the machine. Operating the machine • The area around the machine with an improper hydraulic oil level can damage hy- draulic components.
  • Page 41 MAINTENANCE Figure 4-2 9. Backspace Key 1. Insurance 2. Emergency Stop Button 10. Page Up Key 1. Hold down the enabling and lifting key at the same time to start the lifting function. Ensure the 11. Enabling Key 3. OFF Position platform lifts.
  • Page 42 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 43: Inspect Emergency Lowering

    MAINTENANCE A-8 Test Braking Device Forward Back Braking device must operate smoothly and be in good condition for safe and proper operation of the machine. Do not operate the machine if the brakes make a grind- ing sound or other abnormal noise. The machine is braked by the rear wheel.

  • Page 44: Testing Traveling Speed

    MAINTENANCE Table 4-5 Models Platform Lift Time GTJZ0608 25 ~ 30 s 7. Hold the enabling key on the control handle and gently push the control handle forward to the full- GTJZ0808 30 ~ 35 s drive position. Ensure the machine does not take less than 54 seconds to travel 12 m (39.3 ft).

  • Page 45: Inspect The Tilt Protection

    MAINTENANCE 10. Completely lower the platform. Change the ma- NOTICE chine's platform lifting function to a driving function. Drive the machine down and remove the wooden If the machine takes less than 27 seconds to trav- boards. el 12 m (39.3 ft), stop the machine and determine the cause.

  • Page 46: Limit

    MAINTENANCE Table 4-7 Name Test Result When the weight does not exceed 380 kg (838 lbs), ensure that the platform is able to lift to the highest position. When the platform load is greater than or equal to 450 kg (992 lbs), the platform lifting height is GTJZ0608 greater than 1 m (39 in.) or 10% of the height that can be lifted (use the greater number), sev- eral things will happen.

  • Page 47: Perform Maintenance After

    MAINTENANCE Table 4-9 PLATFORM POWER DISPLAY POWER RATIO DESCRIPTION The battery has been fully charged. 90-100% The battery is at 70% of its capacity. The battery is at 50% of its capacity. The battery is at 30% of its capacity. The battery level is at 20%, which is low.

  • Page 48: Fasteners

    MAINTENANCE 1. Inspect electrical wires for damage or corrosion in B-2 Inspect Rim, Tire and Fasteners the following areas: Good maintenance of rims and tires is important for the • Battery harness safe operation of the machine. The machine might tip •...

  • Page 49: Inspect Battery

    MAINTENANCE 4. Replace the cotter pin and bend it to the locking NOTE: Be sure to fully charge the battery before position. testing. There are three types of batteries: lead-acid battery, lead-acid maintenance-free battery and lithium NOTICE battery. Lithium battery and lead-acid maintenance-free battery are maintenance-free batteries.

  • Page 50: Inspect Hydraulic Oil Tank

    MAINTENANCE NOTE: Due to wear and tear on the mesh components, B-6 Inspect Brake Manual Release metal particles may appear in the hydraulic fluid or filter Function of the new machine. When the drive wheel hub loses power, the parking brake will engage as a safety measure.

  • Page 51: Checklist Cprocedures

    MAINTENANCE CHECKLIST C CHECKLIST D PROCEDURES PROCEDURES C-1 Replace Hydraulic Oil Tank Air D-1 Inspect Scissor Arm Installation Filter Bearing Replacing the air 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 52: Replace Hydraulic Oil Tank

    MAINTENANCE hydraulic oil and the filter screen become dirty, and the Figure 4-7 hydraulic parts may be damaged after repeated use of dirty hydraulic oil. Replace the hydraulic oil when the service environment is very dirty. As required in the specifications, replace the hydraulic oil once a year.

  • Page 53: Inspect Key Structural Parts

    MAINTENANCE structural components that are cracked or deformed D-5 Inspect Key Structural Parts may lead to component damage and unsafe operation. The maintenance of key structural components is critical to the safe operation of the machine. Using key Table 4-12 Key Structural Parts Inspection Requirements for Key Structural Components Be sure the platform is not deformed or cracked.
  • Page 54 MAINTENANCE This Page Intentionally Left Blank © Aug 2020 4-20 GTJZ0608&0808 Maintenance Manual...

  • Page 55: 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 56: 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 57: Chassis Components

    MAINTENANCE PROCEDURES 1. Remove the cotter pin from the front wheel. 2. Remove the grooved bolts for tire mounting and remove the front wheel mounted on the drive motor. 3. Disconnect and plug the hose and fitting on the drive motor. 4.

  • Page 58: Removing The Steering Cylinder

    MAINTENANCE PROCEDURES Removing the Steering Cylinder CRUSH HAZARD NOTICE When installing the removed hose and fitting, it must Be sure to chock the wheels before be tightened according to the specified torque. See releasing the brake if the machine is Hydraulic Hose and Fitting Specifications, page on any slope.

  • Page 59: Hydraulic System

    MAINTENANCE PROCEDURES 3. Use the appropriate lifting equipment to remove the Removing the Hydraulic Power Unit battery. HYDRAULIC SYSTEM BURN AND HIGH-PRESSURE HAZARDS Testing the Function Pump Allow the hydraulic components to cool to room temperature before performing service. Loosen the NOTICE hydraulic hoses and fittings slowly to relieve pressure.

  • Page 60: Removing The Hydraulic Oil Tank

    MAINTENANCE PROCEDURES Removing the Hydraulic Oil Tank NOTICE When installing the removed hose and fitting, it must be tightened according to the specified torque. See Hydraulic Hose and Fitting Torque Procedure, page 1-9. BURN AND HIGH-PRESSURE HAZARDS 1. Open the right door of the chassis and locate the hydraulic valve block.

  • Page 61: Regulating The Platform Lifting

    MAINTENANCE PROCEDURES Figure 5-8 Table 5-1 Description Tightening Torque Function 2-position 4-way solenoid valve High low speed switching 34 Nm (25 ft-lb) Steering overflow valve Steering overflow 24 Nm (17.7 ft-lb) Lifting overflow valve Lifting overflow 27 Nm (20 ft-lb) System overflow 27 Nm (20 ft-lb) Main overflow valve...

  • Page 62: Adjusting The Steering Overflow

    MAINTENANCE PROCEDURES tank until the pump properly operates. Do not allow 13. Remove the pressure gauge. the oil to overflow from the oil tank. Adjusting the Emergency Lowering NOTICE Handle Do not allow the machine to operate if there is pump suction air.

  • Page 63: Hydraulic Symbols

    46.7096 28.5682 34.4087 28.5682 46.7096 28.5682 28.5682 MAINTENANCE PROCEDURES 32.0000 46.7096 28.5682 棕 兰 16.0000 黑 Hydraulic Symbols Symbol Description 棕 兰 黑 Table 5-2 棕 兰 28.5682 Pressure-gradient control 46.7096 黑 28.5682 28.5682 valve 17.4787 Symbol Description 46.7096 28.5682 电驱剪叉液压原理图...

  • Page 64: Hydraulic Schematic Diagram

    MAINTENANCE PROCEDURES Hydraulic Schematic Diagram GTJZ00608&0808 hydraulic schematic diagram Lift cylinder Load sensor Load sensor Steer cylinder Brake valve © Aug 2020 5-10 GTJZ0608&0808 Maintenance Manual...

  • Page 65: 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 66 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 67 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 68 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 69: 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 70: 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 71 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 72 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 73 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 74 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 75: 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 76 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 77 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 78: 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 79 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 GTJZ0608&0808 Maintenance Manual 5-25 © Aug 2020...

  • Page 80: Electrical Schematic Diagram

    MAINTENANCE PROCEDURES Electrical Schematic Diagram Battery and charger Fuse Emergency stop switch Down limit switch Power of controller Fuse Emergency stop switch Contactor Key switch F1(275A) F2(10A) 4*6V Battery Main contactor Down limit switch Positive voltage A-4 A-5 A-25 A-14 A-35 A-17 Pump control motor...
  • Page 81 MAINTENANCE PROCEDURES Flash Level Foot Overhead Platform control box Up-down switch Up limit Pothole guard Alarm Angle sensor Pressure sensor1 Pressure sensor2 CAN communication beacon sensor switch protection switch deploy detect PLATFORM CANH PCBA CANH CANL CANL brown blue black Only available on lithium battery：...
  • Page 82 MAINTENANCE PROCEDURES This Page Intentionally Left Blank © Aug 2020 5-28 GTJZ0608&0808 Maintenance Manual...

  • Page 83: 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 84 MAINTENANCE PROCEDURES This Page Intentionally Left Blank © Aug 2020 GTJZ0608&0808 Maintenance Manual...

  • Page 85: 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 86 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 87 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 88 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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