Sinoboom GTJZ0407SE Maintenance Manual

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Part No.501040110002

Rev: B

Oct. 2021

Maintenance

Manual

产品说明书

PRODU

C T MAN U AL

GTJZ0407SE/0407SE/1330SE

0608E (2132E)

G T JZ

0808E (2732E)

G T JZ

0808E (2732E)

G T JZ

0808E (2732E)

Table of Contents

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Summary of Contents for Sinoboom GTJZ0407SE

Page 1 Maintenance Part No.501040110002 Rev: B Manual Oct. 2021 产品说明书 PRODU C T MAN U AL GTJZ0407SE/0407SE/1330SE 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 See the nameplate on your machine to identify the model and serial number.(See Decals/Nameplate Inspection of the Operation Manual for details.) Trade identification MODELS SERIAL NO. Imperial Metric GTJZ0407SE 0407SE 1330SE From 0104002940 to current NOTE: • Product model is applied in product nameplate for distinction of products of different main parameters.
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
Safety Measures ..... . 3-1 Conducting a Pre-delivery Inspection . 5-1 4 Service and Guidelines..4-1 GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 10 C-1 Replace Hydraulic Oil Tank Air Sinoboom Control System ..6-14 Filter .......5-18 DTC-K500 Control System .
Page 11 CANPLUS) ......6-40 Electrical Schematic (DTC-K500/ SINOBOOM)..... . .6-42 Appendix 1: Prepare the Work Record Before Delivery ..
Page 13: 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.. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 15: Safety
Failure to notify the manufacturer within SAFETY DEFINITIONS 48 hours of the incident involving the machine of Hunan Sinoboom Intelligent Equipment Co., Ltd. may void the product's warranty. This safety alert symbol appears with most safety statements. It means atten-...
Page 16: Electrocution Hazards
Table 1-1 Minimum Safe Distance Voltage Minimum Safe Distance (Phase to Phase, kV) (m/ft) 0-50 3.05 (10) 50-200 4.60 (15) 200-350 6.10 (20) 350 -500 7.62 (25) 500 -750 10.67 (35) 750 -1000 13.725 (45) © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 17 Do not replace key parts that af- have left the platform. fect machine stability with parts of different weights or specifications. • Do not modify or change moving aerial platforms without the manu- facturer’s prior written permission. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 18: Work Environment Hazards
0.8 km/h (0.5 mph) when the plat- gas/dust.If the machine is to be used in any other appli- form rises. cations, or by any other means, other than those speci- fied by Sinoboom, it must be approved or guided by the manufacturer. Table 1-3 BEAUFORT...
Page 19: Unsafe Operation Hazards
• Do not push any object outside Maximum Slope: the platform. The maximum lateral force allowed for indoors is 400 N GTJZ0407SE: 25% (14°) (90 lbf). Climbing capacity means the maximum allowable tilt • Do not change any machine parts...
Page 20: Fall Hazards
COLLISION HAZARDS At a minimum, operators must operate and maintain the machine as stated in the Operation Manual and in the Maintenance Manual in addition to following more strin- gent industry regulations and workplace rules. © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 21: Crush Hazards
• Maintain good judgment and plan- ning when using the controller on the ground to operate the ma- chine. Maintain proper distance between operator, machine and fixed object. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 22: Explosion And Fire Hazards
During operation, keep the left and right doors of the chassis closed and locked. Only trained service personnel can open the left and right doors to repair the machine. © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 23: Battery Hazards
• Never store the battery in water or humid atomosphere. • Daily check the battery cable for damage, and replace any damaged parts before operating the machine. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 24: Welding And Polishing Requirements1-10
5. Block the wheels with the wheel wedges. maintenance requirements in the Operation Manual 6. Charge the battery. and the Maintenance Manual. NOTICE After using the machine, the power off switch must be disconnected. © Oct. 2021 1-10 GTJZ0407SE Maintenance Manual...
Page 25: Specifications
SPECIFICATIONS PERFORMANCE PARAMETERS Table 2-1 GTJZ0407SE Specifications 0407SE (METRIC) 1330SE (IMPERIAL) MEASURE DIMENSION PARAMETERS Max. platform height 3.8 m 12 ft 5.6 in Max. working height 5.8 m 19 ft Max. horizontal reach 0.6 m 2 ft Length 1.42 m 4 ft 7.9 in...
Page 26 The total vibration value of the platform does not exceed 2.5m/s², and the maximum root-mean-square value of the weighted acceleration of the entire machine does not exceed 0.5m/s². g) The hydraulic tank capacity is the maximum volume in the hydraulic tank. © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 27: Power System Specifications
1.1ml/r Maximum driving pressure 25MPa（3626Psi） DRIVE REDUCER & MOTOR Voltage Speed ratio 47.1 Power 1.6kW（2.1 HP） NOTICE Different hydraulic oils can be added according to customer requirements upon factory delivery, but cannot be mixed. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 28: Hydraulic Hose And Fitting
35 ± 2 Nm (26 ± 2 ft-lb) M14×1.5 55 ± 4 Nm (41 ± 3 ft-lb) 60 ± 4 Nm (44 ± 3 ft-lb) 40 ± 3 Nm (30 ± 3 ft-lb) M16×1.5 © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 29 185 ± 12 Nm (136 ± 9 ft-lb) 180 ± 10 Nm (133 ± 7 ft-lb) 320 ± 20 Nm (236 ± 15 ft-lb) G1-1/4A 240 ± 15 Nm (177 ± 11 ft-lb) 450 ± 25 Nm (332 ± 18 ft-lb) GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 30 1-1/16-12 110 ± 8 Nm (81 ± 6 ft-lb) 185 ± 15 Nm (136 ± 11 ft-lb) 1-5/16-12 160 ± 10 Nm (118 ± 7 ft-lb) 280 ± 20 Nm (207 ± 15 ft-lb) © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 31: Hydraulic Hose And Fitting Tight
450 Nm (332 ft-lb) 600 Nm (443 ft-lb) 700 Nm (516 ft-lb) 500 Nm (369 ft-lb) 650 Nm(479 ft-lb ) 770 Nm (568 ft-lb) 600 Nm (443 ft-lb) 800 Nm (590 ft-lb) 980 Nm (723 ft-lb) GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 32 92 Nm (68 ft-lb) 7/16-20 5/8" 100 Nm (74 ft-lb) 145 Nm (107 ft-lb) 1/2-20 3/4" 145 Nm (107 ft-lb) 200 Nm (148 ft-lb) 9/16-18 13/16" 200 Nm (148 ft-lb) 280 Nm (207 ft-lb) 5/8-18 15/16" © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 33 SPECIFICATIONS NOMINAL OPPOSITE NUT SIZE (S) CLASS 5 CLASS 8 DIAMETER (IN) 350 Nm (258 ft-lb) 495 Nm (365 ft-lb) 3/4-16 1-1/8" 560 Nm (413 ft-lb) 780 Nm (575 ft-lb) 7/8-14 GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 35: System Descriptions
The other controller is located on the platform and controls lift and drive functions. The controller exchanges data through a high-speed data bus. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 37: Service And Guidelines
MECHANIC INSPECTION AND MAINTENANCE Qualified Sinoboom equipment mechanic is a person recognized by Sinoboom as one who, by possession of a recognized degree, certificate, training, has GENERAL successfully demonstrated the ability and proficiency to service, repair and maintain the subject Sinoboom product model.
Page 38: Preventive Maintenance
Procedures in appropriate areas of this manual to perform the inspection and maintenance procedures. For the purpose of receiving the safety-related bulletins, it is important that Hunan Sinoboom Intelligent Equipment Co., Ltd. has updated ownership information for each machine. When performing each annual machine inspection, notify Hunan Sinoboom Intelligent Equipment Co., Ltd.
Page 39: Storage
Never attempt to move heavy parts without the aid of a this manual. mechanical device. Do not allow heavy objects to rest in an unstable position. When raising a portion of the equipment, ensure that adequate support is provided. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 40: Cleanliness
• The static and dynamic load tests of the machine suggest a compliance with the relevant standard. © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 41: Pressure-Fit Parts
2. Unless specific torque requirements are given • Excessive sloppiness in joints. within the text, standard torque values should be used on heat-treated bolts, studs, and steel nuts, in • Noise originating from the joint during operation. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 42: Application Of Insulating Silicone Grease To Electrical Connections
1. Prior to the machine assembling, apply silicone grease around the male pins and female pins inside the connectors to prevent oxidization. An injector may be used for the convenience of operation. © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 43: Maintenance
• Conduct quarterly inspection on machines that have been out of service for a period longer than three 2. Follow this procedure each time before delivery. months. Performing a pre-delivery inspection could reveal GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 44: Following Amaintenance Schedule
Every day or every 8 hours maintenance procedure requirements. Every quarter or every 250 hours 2. The Repair & Inspection Report shall include the inspection table of each regular inspection. © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 45 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 Tank Air Filter B-6 Inspect Manual Brake Release B-7 Inspect Emergency Lowering GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 46: Major Modification And Repair Record
1. A major modification/repair is a modification/repair company. made to all or part of a machine that affects the 3. Major modifications/repairs to the machine must be stability, strength or performance of the machine. performed by a qualified service technician. © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 47: Checklist Aprocedures
Illegible or damaged manuals cannot provide • Inspect the pages of the manuals and confirm that they are legible and intact. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 48: Inspect All Decals
4. Add hydraulic oil as needed. Never overfill the tank. • Power unit • Limit switch and horn • Alarms and indicator lamps (if equipped) • Nuts, bolts and other fasteners • Platform door • Pothole guard device © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 49: Inspect Hydraulic Oil Leakage
If any function works improperly, it may cause 3. Platform Control 7. Lifting/Lowering an unsafe condition. Ensure all functions work smoothly Position Switch and reliably without shock or unusual noise. 4. Key Switch GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 50 MAINTENANCE 保常规护 Figure 5-3 Ground controller（SINOBOOM/ Figure 5-4 Platform controller (CANPLUS) DTC system-K500） 8. Emergency stop 1. Steer right 9. Back key 1.Fuse button 9. Display screen 2. Emergency stop button 10.Page up key 2. Steer left 10.
Page 51 Note: Refer to the Fault Diagnosis section of Maintenance Manual for the fault codes displayed on the screen. Figure 5-5 Platform controller（DTC system） Figure 5-6 Platform controller (SINOBOOM) 8. Emergency stop 1. Steer right 8. Emergency stop button 1. Steer right button 9.
Page 52: Inspect The Battery Level
• B-2 Inspect Rim ,Tire and Fasteners if you allow the machine to continue to operate with damaged and corroded wires. Replace or repair damaged or corroded wires before operating the machine. © Oct. 2021 5-10 GTJZ0407SE Maintenance Manual...
Page 53 • Power unit harness 3. Remove the cotter pin, inspect it and confirm that the mounting nuts have been tightened with the • Ground controller correct torque. • Platform controller GTJZ0407SE Maintenance Manual 5-11 © Oct. 2021...
Page 54 Bolts (right drive reducer mounting) 60 Nm(44 ft-lb) 4. Replace the cotter pin and bend it to the locking NOTICE position. When inspecting the retaining nut, replace the split pin frequently. Never reuse the split pin. © Oct. 2021 5-12 GTJZ0407SE Maintenance Manual...
Page 55: Inspect Battery
NOTE: Due to wear and tear on the mesh components, even fires. metal particles may appear in the hydraulic fluid or filter of the new machine. 2. Ensure the battery negative and positive are correctly connected. GTJZ0407SE Maintenance Manual 5-13 © Oct. 2021...
Page 56: Filter
5. Clean the air filter with mild solvent, and then blow dry with compressed air. Repeat step 2. 6. Install the air filter on the oil tank. © Oct. 2021 5-14 GTJZ0407SE Maintenance Manual...
Page 57: Inspect Emergency Lowering
2. Turn the key switch to the platform control position. NOTICE 3. Operate the control handle to drive the machine on The allowable towing speed is 3km/h（1.9mph）. flat pavement at maximum speed. Then release the handle rapidly. GTJZ0407SE Maintenance Manual 5-15 © Oct. 2021...
Page 58: Test Full Lift/Lower Time
Result: The braking distance must be less than 0.5 m (20 in.). Low speed test: 3. —SINOBOOM system: Move upwards the lift function enable switch on the platform controller, NOTICE the indicator light of the switch should be on.
Page 59: Inspect The Tilt Protection
EMERGENCY (98ft 5in), tag and remove the machine from service. High speed test: 9. —SINOBOOM system: Move downwards again the drive high/low speed switch on the platform controller, the high speed mode should be activated. —DTC system: Press again the drive high/low speed select switch, the low speed indicator light should be off.
Page 60: Inspect Pothole Guards
4. Start the machine and inspect the filter and hydraulic components to ensure no leakage exists. indicate “18”, the platform up and drive functions should be restricted, with only the platform down function operative. © Oct. 2021 5-18 GTJZ0407SE Maintenance Manual...
Page 61: Inspect Platform Weighing
2. Operate on the platform controller and raise the platform to the highest position. 3. Then Lower the machine with platform controller to a height of approximately 2±0.2m(6ft 7in±8in). The machine will stop lowering automatically. GTJZ0407SE Maintenance Manual 5-19 © Oct. 2021...
Page 62: Replace Hydraulic Oil
The high-pressure 6. Install the hydraulic tank onto the power unit hydraulic oil may penetrate the assembly. skin, if hurt, please go to a doctor immediately. © Oct. 2021 5-20 GTJZ0407SE Maintenance Manual...
Page 63 MAINTENANCE 7. Install the power unit assembly onto the inside of the right chassis door. 8. Add new hydraulic oil. GTJZ0407SE Maintenance Manual 5-21 © Oct. 2021...
Page 65: Platform Components
4. Lift and push the platform to move the sliding block from the AC outlet before performing to separate the platform. this procedure. Contact with live conductors could result in death or 5. Slowing lift the platform away. serious injury. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 66: Removing The Extension Platform
Removing the Platform, page 6-1 Removing the Extension Platform, page 6-2. 7. Remove the scissor arm assembly. 2. Disconnect the hydraulic system and electric system connecting the scissor arm with the chassis. © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 67: Lift Cylinder
Tires and Rims Replacing tires and rims Hunan Sinoboom Intelligent Equipment Co., Ltd. recommends the replacement tires be of the same size, ply rating and brand as the original tires. For the part number of a specific machine model, please reference the Part Manual.If the replacement tires are not...
Page 68: Removing The Reducer & Drive
& drive motor. 6. Front wheels：align the mounting holes of the new 5. Use a suitable lifting device to support the reducer wheel or the one to be used with those of the & drive reducer. © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 69: Removing The Front Wheel Bracket
2. Remove the fixing bolts from the front wheel 2. Label and disconnect the wires connected to the bracket. battery. 3. Remove the front wheel bracket. 3. Use the appropriate lifting equipment to remove the battery. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 70: Hydraulic System
1. Open the left door. 2. Label and disconnect the wires connected to the battery. Figure 6-9 Table 6-1 1. Plastic oil tank 2. DC motor 3. Screen 4. Gear pump 5. Check valve 6.Direct-actin relief valve © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 71: Lift Control Valve Assembly
NOTICE removal procedure. When installing the hoses and fittings, be sure to torque to specifications as specified in Hydraulic Lift Control Valve Assembly Hose and Fitting Specifications, page 2-4. Figure 6-10 Lift control valve GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 72: Regulating Platform Lift Relief
9. Install the but the scissor arm. 10. Remove the loads from the platform. 3. Tag and disconnect the pressure sensor and cables to the lift control valve. © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 73: Adjusting The Emergency Lowering
5. If the measurement distance is less than or equal to 16.0000 3mm (0.12in), go to step 7. If the measurement distance is greater than 3mm (0.12in), go to step 6. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 74 28.5682 34.4087 46.7096 28.5682 REPAIR 32.0000 28.5682 16.0000 棕兰 Symbol Description 黑 Flow regulator valve 17.4787 Check valve 46.7096 34.4087 32.0000 28.5682 16.0000 © Oct. 2021 6-10 GTJZ0407SE Maintenance Manual...
Page 75: Hydraulic Schematic Diagram
REPAIR Hydraulic Schematic Diagram GTJZ0407SE hydraulic schematic diagram Lifting Cylinder Apolegamy Overweight sensor Overweight sensor Steering Cylinder 140bar GTJZ0407SE Maintenance Manual 6-11 © Oct. 2021...
Page 76: Electrical System
If the battery acid escapes, please petroleum jelly to the terminals or use terminal use baking soda to neutralize the protector. acid. 3. Keep the area around the battery clean and dry. Charging © Oct. 2021 6-12 GTJZ0407SE Maintenance Manual...
Page 77 The self-discharge process will accelerate in warmer temperatures. If storing the battery in hot temperatures or during hot weather, monitor the specific gravity or the voltage more frequently (about every 2 - 4 weeks). GTJZ0407SE Maintenance Manual 6-13 © Oct. 2021...
Page 78: Charger Troubleshooting
• All operations in this section must guaranteed. be performed by qualified personnel who have been This section is applicable to Sinoboom system. professionally trained and authorized by Sinoboom, ECU main interface otherwise the consequences will be at your own risk.
Page 79 Enter key on the main interface of the ground controller to enter the ECU menu selection mode. Select and enter different function interfaces through the PgUp key and PgDn key. The system interface is described in the figure below: Figure 6-12 GTJZ0407SE Maintenance Manual 6-15 © Oct. 2021...
Page 80 No of discharge Controller_Temperature cycles Leftmotor_Temperature Rightmotor_Temperature Leftmotor_actualspeed Rightmotor_actualspeed Receive_liftcode Left motor brake state Right motor brake state Left motor error Right motor error Left Ver Right Ver Figure 6-13 System interface description © Oct. 2021 6-16 GTJZ0407SE Maintenance Manual...
Page 81 Single pressure Curtis_TWO_AC Calibrate joystick lower end Calibrate X-axis Double pressure Curtis_DC_CAN Calibrate joystick Foot switch Calibrate Y-axis upper end QianTuo_DCCAM Calibrate joystick Anti-collision switch middle end Figure 6-14 System interface description (continued) GTJZ0407SE Maintenance Manual 6-17 © Oct. 2021...
Page 82 USB flash disk: ECU_MAIN.bin. limit, pump motor current limit, deceleration time 1 and deceleration time 2 can be set. Note: please contact Sinoboom after-sales personnel to get the program. Note: 3. Turn off the machine, and insert the USB flash disk •...
Page 83 Calibrate joystick Height calibration middle end done Figure 6-16 Figure 6-19 4. Calibrate joystick lower end: push the joystick to the lowermost end and hold it, select and enter the GTJZ0407SE Maintenance Manual 6-19 © Oct. 2021...
Page 84 1. Place heavy objects with the same weight as the rated load of the machine on the platform. 2. Select and enter Full-load calibration interface, and press the Enter key to start automatic calibration. © Oct. 2021 6-20 GTJZ0407SE Maintenance Manual...
Page 85: Dtc-K500 Control System
PCU, ECU, sensors, etc. are precisely adjusted and protected before delivery. Therefore, personnel who have not been professionally trained and authorized by Sinoboom cannot disassemble their housings, otherwise moisture and dust will enter the internal mechanism and normal operation will not be guaranteed.
Page 86 Pressure Sesnor Mode Voltage Output Current Output Pothole Guard Descent Delay Motion Alarm Load Sensing High Torque Limit Drive Drain Alarm Time Drain Shut Time Foot Pedal Collision BMS Function Figure 6-27 System interface description © Oct. 2021 6-22 GTJZ0407SE Maintenance Manual...
Page 87 Sinoboom to the original settings set by the control height. system manufacturer. Therefore, it is prohibited to update the program without the authorization of 2.
Page 88 Set OL Descent Height 1. Ensure that the space above the platform allows the platform to be safely lifted to the maximum height Figure 6-38 and the machine is horizontally positioned. © Oct. 2021 6-24 GTJZ0407SE Maintenance Manual...
Page 89: Trouble Diagnosis
For the causes and solutions of fault codes, please refer to Trouble Diagnosis , page 6- 25). Table 6-5 Trouble Description and Inspection (SINOBOOM System) Cod- Problem Action Limit Solution System Initialization Fault: ECU may be...
Page 90 Discharge Temperature Fault 2 and Driving factory to check battery. Alarm only GPS Lock Ⅰ Contact SINOBOOM after-sales staff. Pressure Sensor 1 Fault: Check the wiring to the sensor and then the sensor itself. Also check to Disable All Pressure Sensor 1 Fault...
Page 91 ECU and Driving controller to quit the mode. GPS Lock Ⅱ pre-warning Alarm only Contact SINOBOOM after-sales staff. Disable Lifting GPS Lock Ⅱ Contact SINOBOOM after-sales staff. GPS Lock Ⅲ pre-warning Alarm only Contact SINOBOOM after-sales staff.
Page 92 Motor controller. If that doesn’t resolve the issue, replace the Motor Controller. Disable Lifting Motor Controller Motor Fault: Check connections Motor Controller Over Heat Fault and Driving to the motors. Cycle power to the lift and if that © Oct. 2021 6-28 GTJZ0407SE Maintenance Manual...
Page 93 Foot pedal no action: when operate the joystick to Disable Platform Foot pedal no action drive and lift, there is no action on foot pedal, so Control please check the switch of foot pedal. GTJZ0407SE Maintenance Manual 6-29 © Oct. 2021...
Page 94 Cell Voltage Low Fault 2: Inform BMS factory to Cell Voltage Low Disable Lifting and Driving check battery. Fault 2 Sharp Difference in Sharp Difference in Voltage: Inform BMS factory to Disable Lifting and Driving Voltage check battery. © Oct. 2021 6-30 GTJZ0407SE Maintenance Manual...
Page 95 Reverse Coil Fault: Check the connections to the Disable Lifting and Driving Coil’s terminals and make sure they are tight. If so, Reverse Coil Fault check the coil itself to see if it is open or shorted. GTJZ0407SE Maintenance Manual 6-31 © Oct. 2021...
Page 96 Make sure other Motor Controller Fault parameters are properly selected. Total Voltage Low Fault 2: Check battery voltage Total Voltage Low Disable All Motion and charge if necessary. Check the battery Fault 2 © Oct. 2021 6-32 GTJZ0407SE Maintenance Manual...
Page 97 Motor Controller. Left Drive Motor Short Fault: Check the Motor Left Drive Motor Short Disable All Motion connections and make sure they are tight. Check Fault the Motor for a short. GTJZ0407SE Maintenance Manual 6-33 © Oct. 2021...
Page 98 If the Disable Lifting and Driving Machine Tilted machine is level, check the wiring to the tilt sensor and then the sensor itself. © Oct. 2021 6-34 GTJZ0407SE Maintenance Manual...
Page 99: Fundamental Troubleshooting
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. GTJZ0407SE Maintenance Manual 6-35 © Oct. 2021...
Page 100 Inspect whether the lower platform controller is malfunctioning. There is no warning • The high-speed hydraulic valve is connected after descending to the Pothole protector incorrectly. minimum limiting position • The installation of the travel switch is abnormal. © Oct. 2021 6-36 GTJZ0407SE Maintenance Manual...
Page 101 After setting, the • The parameters cross the line. parameters could not The storage is abnormal be saved successfully • The lower platform controller is malfunctioning. after several trials. GTJZ0407SE Maintenance Manual 6-37 © Oct. 2021...
Page 102: Electrical Symbols
28.5682 16.0000 28.5682 棕兰 32.0000 32.0000 Key switch Buzzer 兰棕黑黑 28.5682 28.5682 16.0000 兰 16.0000 棕 17.4787 + Li 黑 46.8000 17.4787 © Oct. 2021 6-38 GTJZ0407SE Maintenance Manual 46.7096 28.5682 46.7096 46.8000 46.7096 46.8000 34.4087...
Page 103 46.7096 46.7096 46.8000 34.4087 34.4087 REPAIR 32.0000 28.5682 Symbol Description Symbol Description 28.5682 16.0000 Storage battery Lithium battery 46.8000 Fuse GTJZ0407SE Maintenance Manual 6-39 © Oct. 2021...
Page 104 309 310 320 401 CANH1 CANL1 Speed Reduction 1 Lifting Enable Walking Back Forward Left Left Walking Speed Fault Connector Speed Speed Brake Brake Enables Reduction Hint Hight Status Status 220V 220V power outconnectorcharger plug © Oct. 2021 6-40 GTJZ0407SE Maintenance Manual...
Page 105 Right Enables Speed Speed Hint break Left Brake Coil coil 320 321 RS8865 relay left braking coilright braking coil flash light hour meter troubl e shooti n ghorn rise drop turn leftturn right GTJZ0407SE Maintenance Manual 6-41 © Oct. 2021...
Page 106 10A 14A 5C 10C 120Ω CAN2H CAN2L Lift Drive Speed Reverse Forward Brake Enable Blink input output Enable output status 25mm2 2.5mm2 Option Option Option Power Plug Charging Plug Beacon Relay 1 Enable © Oct. 2021 6-42 GTJZ0407SE Maintenance Manual...
Page 107 Machine CANL CAN1L 200A Lift output Speed output Draw Enable ReverseForward Brake statusBlink input Horn Platform raise Platform lower Right turn Left turn Ground Left brake Brake Right Brake MC Power Relay GPS Model GTJZ0407SE Maintenance Manual 6-43 © Oct. 2021...
Page 109 2. Use the table to record the results. After each section is complete, mark the appropriate box. 3. Record the inspection results. If any inspection results are "NO", the machine must be stopped, and re-in- spected after repair is completed and the box marked "inspection" must be checked. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 111 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 Tank Air Filter B-6 Inspect Manual Brake Release B-7 Inspect Emergency Lowering B-8 Inspect Braking Device GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 112 4. Record the inspection results. If any inspection results are "NO", the machine must be stopped and re- inspected after repair is completed and the box marked "REPAIRED" shall be checked. Select the appropriate inspection procedure based on the inspection type. © Oct. 2021 GTJZ0407SE Maintenance Manual...
Page 113 Modification/Repair” in the form will be “Good” and the machine can be used. If either inspection result is “NO”, the machine must be re-inspected after the repair is completed until the machine is in “Good” condition before continuing to use the machine. GTJZ0407SE Maintenance Manual © Oct. 2021...
Page 114 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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