Sinoboom GTJZ0608E Maintenance Manual

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Part No.501053110002

Rev: C

Oct 2021

Maintenance

Manual

产品说明书

PRODU

C T MAN U AL

GTJZ0608E/0608E/2132E

GTJZ0808E/0808E/2732E

0608E (2132E)

G T JZ

0808E (2732E)

G T JZ

0808E (2732E)

G T JZ

0808E (2732E)

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Page 1 Maintenance Part No.501053110002 Rev: C Manual Oct 2021 产品说明书 PRODU C T MAN U AL GTJZ0608E/0608E/2132E GTJZ0808E/0808E/2732E 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 GTJZ0608E 0608E 2132E From 0105300219 to Current GTJZ0808E 0808E 2732E...
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 GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 10 Electrical Symbols ....6-26 C-4 Inspect Staged Lowering ..5-17 Electrical Schematic Diagram ..6-28 © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 11 Appendix 1: Prepare the Work Record Before Delivery ..A-1 Appendix 2：Repair & Inspection Report ......A-3 GTJZ0608E&0808E Maintenance Manual © Oct 2021...
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.. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 15: Safety
In case of any accident involving the machinery of so, people who have alcohol or drugs in their system, Hunan Sinoboom Intelligent Equipment Co., Ltd., notify or experience excessive fatigue or depression, are Hunan Sinoboom Intelligent Equipment Co., Ltd. Imme- prohibited from operating or using this machine.
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 GTJZ0608E&0808E Maintenance Manual...
Page 17 • Do not replace key parts that af- fect machine stability with differ- ent weights or specifications. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 18: Work Environment Hazards
If the machine is used in any other 0.8 km/h (0.5 mph) when the applications, or by any other means, as specified by platform rises. Sinoboom, it must be approved or guided by the • If the machine can be used manufacturer.
Page 19: Unsafe Operation Hazards
Improper securing of the machine to another object by just sitting it against, fastening or binding. • Stunt or imprudent use of the machine. • Overloaded or overmoment sitiuation. • Other situations as specified in the Manuals. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 20: Fall Hazards
Do not place or attach any suspended load onto any part of the machine. • Do not use the machine as a crane. • Do not use the platform to push the machine or other objects. © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 21: Collision 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. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 22: Crush Hazards
NOTICE chine. Maintain proper distance between operator, machine and To avoid machine damage, follow all operation and fixed object. maintenance requirements in this manual and the Maintenance Manual. © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 23: Bodily Injury 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. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 24: Welding And Polishing Requirements1-10
Before welding, grinding and polishing operations, al- ways ensure you read and understand all operation and maintenance requirements in this manual and the Main- tenance Manual. © Oct 2021 1-10 GTJZ0608E&0808E Maintenance Manual...
Page 25: After Using The Machine
5. Block the wheels with the wheel wedges. 6. Charge the battery. NOTICE After using the machine, the power off switch must be disconnected. GTJZ0608E&0808E Maintenance Manual 1-11 © Oct 2021...
Page 27: Specifications
SPECIFICATIONS MACHINE SPECIFICATIONS Table 2-1 GTJZ0608E Specifications 0608E (METRIC) 2132E (IMPERIAL) MEASURE DIMENSION 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...
Page 28 Weight (in a no-load state) (indoor/ 2090kg 4608 lb outdoor) Table 2-2 GTJZ0808E Specifications 0808E (METRIC) 2732E (IMPERIAL) MEASURE DIMENSION Max. platform height 8.1m 26 ft 7 in. Max. working height 10.1m 33 ft 2 in. © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 29 Rated load capacity of a single tire 1180kg 2601 lb Max. allowable manual force(indoor/ 400N(indoor)/200N(outdoor) 90 lbf(indoor)/45 lbf(outdoor) outdoor) Max. noise 72dB POWER Hydraulic tank capacity 3.3 gal(imperial)/4 gal(US) Hydraulic system capacity (including tank) 3.3 gal(imperial)/4 gal(US) GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 30: Power System Specifications
The loads of persons, accessories, tools and materials are factored into the rated platform capacity. POWER SYSTEM SPECIFICATIONS Table 2-3 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 © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 31: Specifications
21MPa (3046 Psi) Steer relief valve pressure 15MPa (2176 Psi) HYDRAULIC RETURN FILTER Bypass pressure 0.25MPa (36.3 Psi) NOTICE Different hydraulic oils can be added according to customer requirements upon factory delivery, but cannot be mixed. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 32: Hydraulic Hose Torque
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 GTJZ0608E&0808E Maintenance Manual...
Page 33 185 ± 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) GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 34 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 GTJZ0608E&0808E Maintenance Manual...
Page 35: Hydraulic Hose And Fitting Torque
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) 650 Nm (479 ft-lb) 850 Nm (627 ft-lb) 1050 Nm (774 ft-lb) GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 36 200 Nm (148 ft-lb) 9/16-18 13/16" 200 Nm (148 ft-lb) 280 Nm (207 ft-lb) 5/8-18 15/16" 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 © Oct 2021 2-10 GTJZ0608E&0808E Maintenance Manual...
Page 37: System Descriptions
SYSTEM DESCRIPTIONS POWER SAFETY MEASURES GTJZ0608E&0808E machines are powered by four 6V A series of sensors and limit switches provides signals batteries in series or a 24V lithium battery to drive a to the controllers. 24V DC motor, which drives the gear pump to provide Level sensor measures the angle of X axis and Y axis power to the system.
Page 39: 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 40: 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 41: 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. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 42: Cleanliness
• The static and dynamic load tests of the machine suggest a compliance with the relevant standard. © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 43: 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. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 44: 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 GTJZ0608E&0808E Maintenance Manual...
Page 45: Maintenance
Conduct a quarterly inspection on machines that repair the machine and must follow the procedures have been out of service for a period lasting longer as stated in operation manual and maintenance than three months. manual. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 46: Following Amaintenance Schedule
Every half a year or every 500 re-inspected after repair is completed and marked A+B+C hours in the box marked "inspection". Select the appropriate inspection procedure based on the Every year or every 1000 hours A+B+C+D inspection type. © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 47 B-4 Inspect Hydraulic Oil B-5Inspect hydraulic oil tank air filter B-6 Inspect brake manual release function B-7 Inspect emergency lowering B-8 Inspect brake device B-9 Test full lift/lower time B-10 Test drive speed B-11 Inspect tilt protection GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 48: Checklist Aprocedures
Storing the Operation Manual and the Maintenance Manual in the appropriate place is important for the safe operation of the machine. The manuals must be © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 49: Inspect All Decals
1. Open the right chassis door. • Tires and wheels 2. Check the hydraulic oil level on the sight gauge of • Safety arm oil tank. • Limit switches and horn • Alarms and LEDs GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 50: Inspect Hydraulic Oil Leakage
Inspect for overflowing, dripping or residual marks on or around the following components: • Hydraulic oil tank, filters, pipe fittings, oil pipe, power unit • All hydraulic cylinders, pumps © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 51 7. Controller 7. Drive reverse 8. Display screen Note：Refer to the Fault Diagnosis section of Maintenance Manual for the fault codes displayed on the screen. Figure 5-4 Platform controller (SINOBOOM) Figure 5-5 Platform controller (DTC) GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 52: Inspect The Battery Level
Perform maintenance on a new machine after the machine is operated for 30 days or 40 hours. After performing the 30-day maintenance, continue performing maintenance as scheduled. Perform the following procedures: • B-2 Inspect rims, tires and fasteners. © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 53: Checklist Bprocedures
3. Remove the cotter pin, inspect it and confirm that 1. Inspect electrical wires for damage or corrosion in the mounting nuts have been tightened with the the following areas: correct torque. • Battery harness Figure 5-6 GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 54: Inspect Battery
1.250 or higher, and the difference of If battery acid spills, use water mixed the gravity readings is less than 0.050, proceed with bicarbonate (baking soda) to with the next step. neutralize the acid. © Oct 2021 5-10 GTJZ0608E&0808E Maintenance Manual...
Page 55: Inspect Hydraulic Oil
D-4 Inspect and Replace Hydraulic Oil, page 5- for replacement steps. B-5 Inspect Air filter of Hydraulic Tank Keeping the breather cap of hydraulic tank in well- ventilated condition is vital to normal operation of GTJZ0608E&0808E Maintenance Manual 5-11 © Oct 2021...
Page 56: Inspect Brake Manual Release
9. The machine allows moving by human power. 10. After the towing is completed, re-energize the ma- chine, the brake can operate properly. 11. Remove the chokes as needed. NOTICE The allowable towing speed is 3km/h（1.9mph）. © Oct 2021 5-12 GTJZ0608E&0808E Maintenance Manual...
Page 57: Inspect Emergency Lowering
Then release the handle rapidly. Models Platform lower Time 4. Measure the braking distance of the machine. GTJZ0608E 30～35 s Result: The braking distance must be less than 34～39 s (indoor ) GTJZ0808E 0.4m（15.7 in）. GTJZ0608E&0808E Maintenance Manual 5-13 © Oct 2021...
Page 58: Test Drive Speed
Low speed testing： low speed select button, the low drive speed 3. —SINOBOOM system：Move upwards the lift func- button should be lit. tion enable switch on the platform controller, the in- dicator light should be on.
Page 59: Inspect The Tilt Protection
7. Completely lower the platform and remove the 4. Flip the level switch to tilt the machine by 3 degrees wooden block. in the Y(front-to-back) direction. The alarm should sound. GTJZ0608E&0808E Maintenance Manual 5-15 © Oct 2021...
Page 60: Checklist Cprocedures
When the platform load exceeds 250 kg (551 lb), the overload indicator lamp will illuminate, an alarm will sound, and all functions will be restricted from use. Once you remove the excess weight, the work platform will be able to move again. © Oct 2021 5-16 GTJZ0608E&0808E Maintenance Manual...
Page 61: System(Optional)
NOTICE “Execute No Load Calibration?”. Through the up/ down key, select the “Execute Full Load Only qualified person trained by Sinoboom is allowed Calibration?”, then press and hold the Enter key for to calibrate the weighing system. 5s to start the auto full-load calibration, or press the Esc key to give up the calibration and go back to the calibration window.
Page 62: Inspect Carbon Brush Of Motor5-18
3 mm (0.12 in) (the measured well contact with the reverser. distance L is less than 65 mm [2.6 in]). See Fig 5-11 , page 5-19 © Oct 2021 5-18 GTJZ0608E&0808E Maintenance Manual...
Page 63: Replace Hydraulic Oil Tank
Before maintaining the hydraulic system, cool the oil down to room temperature. Figure 5-13 NOTICE This procedure must be performed with the machine off. When removing the hoses and fittings, the O-ring must also be replaced. GTJZ0608E&0808E Maintenance Manual 5-19 © Oct 2021...
Page 64 7. Secure the oil tank to the inside of the right chassis door with retaining screws. 8. Install the suction and return pipes. 9. Add new hydraulic oil. © Oct 2021 5-20 GTJZ0608E&0808E Maintenance Manual...
Page 65: Repair
AC outlet before performing 4. Move the platform away. this procedure. Contact with live conductors could result in death or serious injury. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 66: Removing The Extension Platform
O-rings at the end of the rubber hose or hose. 3. Disconnect and plug the hoses and fittings on the hydraulic cylinder. 3. Connect the scissor arm with a traveling crane. © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 67: Chassis Components
REPAIR the Part Manual.If the replacement tires are not asHunan Sinoboom Intelligent Equipment Co., Ltd. recommends, the following requirememts of tires should be met： 1. Ply rating/rated load and dimension equal or greater than original. 2. Tire tread contact width equal or greater than original.
Page 68: Reducer & Drive Motor
Be sure to disconnect the battery charger and main capacity to lift the chassis. Be sure to place the lifting power from the machine before removing the reducer device at a proper location on the frame. & drive motor. © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 69: Steer Cylinder
4. Remove the front wheel bracket. Steer Cylinder NOTICE When installing the removed hose and fitting, it must be tightened according to the specified torque. See Hydraulic Hose and Fitting Specifications, page 2-6. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 70: Hydraulic System
REPAIR HYDRAULIC SYSTEM Hydraulic Element Layout Figure 6-9 Table 6-1 1. Platform control valve 2. Motor 3. Gear pump 4.Hydraulic oil tank 5. Filter 6. Lift control valve Hydraulic Valves © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 71 Slowly loosen the hoses and fittings to release the 3. Remove the screws securing the lift control valve to pressure. cylinder. 4. Remove the lift control valve. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 72 Relief valve To limit the steer pressure 40Nm（29.5ft-lb） Throttle sleeve Throttle screw 2Nm（1.5ft-lb） Limit block With channels inside, as a Main valve block carrier for valve spool or other elements Removing the platform control valve © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 73: Regulating Hydraulic Valve
NOTICE 1. Connect a pressure gauge(0 - 40MPa) to the The procedure must be performed with the machine pressure diagnostic nipple. stowed. 2. Turn the Ground/Platform select switch to Platform. GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 74: Adjusting The Emergency Lowering
Manual brake release Be sure to keep hands and other valve body parts away from the scissor arm while lowering the platform. 3. Pull out the emergency lowering handle located behind the chassis. © Oct 2021 6-10 GTJZ0608E&0808E Maintenance Manual...
Page 75 16.0000 32.0000 directional valve 32.0000 28.5682 32.0000 16.0000 Running high and low 28.5682 28.5682 16.0000 speed reversing valve 16.0000 棕兰黑 Flow regulator valve 17.4787 Check valve 46.7096 34.4087 32.0000 28.5682 16.0000 GTJZ0608E&0808E Maintenance Manual 6-11 © Oct 2021...
Page 76: Hydraulic Schematic Diagram
REPAIR Hydraulic Schematic Diagram GTJZ0608E&0808E hydraulic schematic diagram （Options） Lift cylinder Load sensor Steer cylinder 210bar © Oct 2021 6-12 GTJZ0608E&0808E Maintenance Manual...
Page 77: 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. Charing GTJZ0608E&0808E Maintenance Manual 6-13 © Oct 2021...
Page 78 The self-discharge process will accelerate in warmer temperatures. If storing the battery in hot temperatures or during hot weathe monitor the specific gravity or the voltage more frequently (about every 2 - 4 weeks). © Oct 2021 6-14 GTJZ0608E&0808E Maintenance Manual...
Page 79: Charger Troubleshooting
Trouble Diagnosis trouble types. A machine with this system has two display screens on the ground controller and platform control box. They Table 6-6 Trouble Description and Inspection (SINOBOOM System) Code Problem Action Limit Solution...
Page 80 Platform up solenoid valve fault： Disable Lifting Platform up solenoid valve short or open circuited: the ground controller and platform and Driving check whether platform up solenoid valve is short © Oct 2021 6-16 GTJZ0608E&0808E Maintenance Manual...
Page 81 If that does not resolve the problem, try communication Fault replacing the PCU or ECU. Invalid option setting Invalid Option setting Fault: Set appropriate option Disables All Motion Fault for this lift. GTJZ0608E&0808E Maintenance Manual 6-17 © Oct 2021...
Page 82 Pressure Sensor 2 Fault: Check the wiring to the sensor and then the sensor itself. Also check to Pressure Sensor 2 Disables All Motion make sure that the correct option is properly Fault selected (or not) for load sensing. © Oct 2021 6-18 GTJZ0608E&0808E Maintenance Manual...
Page 83 Parallel Coil Fault: Check the connections to the Disable Lifting and Driving Coil’s terminals and make sure they are tight. If so, Parallel Coil Fault check the coil itself to see if it is open or shorted. GTJZ0608E&0808E Maintenance Manual 6-19 © Oct 2021...
Page 84 Motor Controller Main Contactor Fault: Check the connections to the main contactor. Replace the Motor Controller Main Disable Lifting and Driving contactor if necessary. Replace the Motor Contractor Fault Controller if necessary. © Oct 2021 6-20 GTJZ0608E&0808E Maintenance Manual...
Page 85 Make sure the wiring is not shorted. Brake Release Switch Brake Release Switch On: Check the wires to Diagnostic Message Only brake release switch or look for a stuck switch. GTJZ0608E&0808E Maintenance Manual 6-21 © Oct 2021...
Page 86 Disable PCU Control please check the switch of foot pedal. Anti-collision switch warning: When lifting up and Anti-collision switch Disable Lifting and Driving close to the obstacle, warning and check the anti- warning collision switch. © Oct 2021 6-22 GTJZ0608E&0808E Maintenance Manual...
Page 87: Fundamental Troubleshooting
The lowering valve has malfunctioning. the machine has no trouble load and is level • Inspect whether the connection of the lead of the lifting valve is wrong, and whether the lowering valve is malfunctioning. GTJZ0608E&0808E Maintenance Manual 6-23 © Oct 2021...
Page 88 The level switch air bubble is not in the middle position. Tilting warning The level switch is abnormal • The level switch is not connected properly or firmly. • The ground controller is malfunctioning. © Oct 2021 6-24 GTJZ0608E&0808E Maintenance Manual...
Page 89 After setting, the parameters could not • The parameters cross the line. The storage is abnormal be saved successfully • The lower platform controller is malfunctioning. after several trials. GTJZ0608E&0808E Maintenance Manual 6-25 © Oct 2021...
Page 90: 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 6-26 GTJZ0608E&0808E Maintenance Manual 46.7096 28.5682 46.7096 46.8000 46.7096 46.8000 34.4087...
Page 91 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 GTJZ0608E&0808E Maintenance Manual 6-27 © Oct 2021...
Page 92: Electrical Schematic Diagram
REPAIR Electrical Schematic Diagram © Oct 2021 6-28 GTJZ0608E&0808E Maintenance Manual...
Page 93 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 marked in the box marked "inspection". GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 95 B-1 Inspect Electric Wires B-2 Inspect Rim ,Tire and Fasteners B-3 Inspect Battery B-4 Inspect Hydraulic Oil B-5Inspect hydraulic oil tank air filter B-6 Inspect brake manual release function B-7 Inspect emergency lowering B-8 Inspect brake device GTJZ0608E&0808E Maintenance Manual © Oct 2021...
Page 96 Condition Malfunction D-1 Inspect Scissor Arm Installation Bearing D-2 Inspect Chassis Slider D-3 Replace Hydraulic Oil Tank Return Oil Filter Element D-4 Replace hydraulic oil User Inspector Signature Inspector Date Inspector Title Inspector Company © Oct 2021 GTJZ0608E&0808E Maintenance Manual...
Page 98 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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