Sinoboom GTTZ10EJ Maintenance Manual
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Part No.509002110002
Rev: B
Mar. 2022
Maintenance
Manual
产品说明书
PRODU
C T MAN U AL
GTTZ10EJ/ML10EJ/ML270EJ
0608E (2132E)
G T JZ
0808E (2732E)
G T JZ
0808E (2732E)
G T JZ
G T JZ
0808E (2732E)

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  • Page 1 Maintenance Part No.509002110002 Rev: B Manual Mar. 2022 产品说明书 PRODU C T MAN U AL GTTZ10EJ/ML10EJ/ML270EJ 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 Decals/Nameplates Inspection of the Operation Manual for details.) Trade Identification Model Serial No. Imperial Metric From 0900200248 to present GTTZ10EJ ML10EJ ML270EJ 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

    Battery ......4-5 Hydraulic System ..... 3-1 GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 10 Hydraulic Filter.....5-39 Hydraulic Oil ..... . .5-40 © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • 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.. GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 12 This Page Intentionally Left Blank © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 13: 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 14: 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) © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 15 Never use the mast or platorm to • When the platform is caught or stablize or support any objects stuck or when other objects in the outside of the machine. vicinity impede its normal movement, do not use the GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 16: Work Environment Hazards

    Do not use any device that may increase the wind load on the machine. • Do not drive or lift the machine on slopes, steps or vaulted surfaces that exceed the maximum gradeability of the machine. © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 17 If the machine is to be used in any other applications, or by any other means, other than those • Do not raise the platform when specified by Sinoboom, it must be approved or guided the machine is on the slope by the manufacturer. greater than 3°.
  • Page 18: Unsafe Operation Hazards

    The battery not only provides power, but also serves as a counterweight. The battery is vital to maintaining the stability of the machine. © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 19: Fall Hazards

    The machine must be operated in strict compliance with the requirements as contained in this manual and the maintenance manual, as well as the applicable industry or local regulations, whichever is more stringent. GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 20: Crush Hazards

    When the machine is conducting aerial work, warn the staff/non- staff not to work, stand or walk under the raised boom or platform. • Limit the speed of travel according to ground conditions, crowding, gradients, the presence © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 21: Explosion And Fire Hazards

    Oil spills or leaks in hydraulic fluids may penetrate and burn the skin. NOTE:The operator must perform the maintenance during the pre-operation inspection. Only trained service personnel can open the covers to repair the machine. GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 22: Battery Hazards

    ELECTRICAL SHOCK HAZARDS • Contact with live circuits may lead to death or serious injury. Always wear protective glasses or goggles and protective clothing • Remove all rings, watches and other accessories. © Mar. 2022 1-10 GTTZ10EJ Maintenance Manual...
  • Page 23 • Do not immerse the battery into the water, acidic, alkaline and salt- containing solutions. Keep the battery away from rain. • Never modify the battery system to avoid serious accidents. GTTZ10EJ Maintenance Manual 1-11 © Mar. 2022...
  • Page 24: Hydraulic Systems Hazard

    6. Turn off the power disconnect switch. 7. Charge the battery. NOTICE After using the machine, the power disconnect switch must be turned off. © Mar. 2022 1-12 GTTZ10EJ Maintenance Manual...
  • Page 25: Specifications

    SPECIFICATIONS MACHINE SPECIFICATIONS Table 2-1 GTTZ10EJ Specifications ML10EJ (METRIC) ML270EJ (IMPERIAL) Items DIMENSIONAL PARAMETERS Max platform height 8.3 m 27ft 3in Max working height 10.3 m 33ft 9.5in Max horizontal reach 3.3 m 10ft 10in Overall length (stowed) 2.97 m...
  • Page 26 Max allowable RH Stored at -20℃ to 50℃ (-4℉ to 122℉) in a well-ventilated environment with Storage environment 90% relative humidity (20℃ [68℉]), and away from rain, sun, corrosive gas, inflammables and explosives. WEIGHT © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 27 The loads of persons, accessories, tools and materials are factored into the rated platform capacity. f) The hydraulic tank capacity is the maximum volume in the hydraulic tank. Figure 2-1 Chart of working envelope GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 28: Dc Drive Motor & Reducer

    Do not place heavy component upon instable surface. Table 2-3 Component Metric (kg) Imperial (lb) Chassis assembly 2145 Pothole cylinder Steer cylinder Wheel support Tire assembly DC drive motor & reducer Counterweight (at chassis) Slewing gear © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 29: Function Speed

    Drive speed-stowed (30m) 18~24s be affected. Test requirements: Mast up:Raise the mast from the lowest point to the highest, test twice. Mast down:Lower the mast from the highest point to the lowest, test twice. GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 30: Power System Specifications

    The factory-filled hydraulic oil can be selected to suit the customer’s demand. Do not intermix different types of hydraulic oil. HYDRAULIC HOSE AND FITTING SPECIFICATIONS HYDRAULIC HOSE TORQUE Hydraulic hoses must be torqued to the following specifications. © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 31: Hydraulic Fitting Torque

    210 ± 13 Nm (155 ± 10 ft-lb) M42×2 280 ± 20 Nm (207 ± 15 ft-lb) 540 ± 30 Nm (398 ± 22 ft-lb) 260 ± 15 Nm (192 ± 11 ft-lb) M48×2 GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 32 120 ± 8 Nm (89 ± 6 ft-lb) G3/4A 120 ± 8 Nm (89 ± 6 ft-lb) 185 ± 12 Nm (136 ± 9 ft-lb) 180 ± 10 Nm (133 ± 7 ft-lb) 320 ± 20 Nm (236 ± 15 ft-lb) © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 33: Hydraulic Hose And Fitting Tight

    The seal cannot be confirm there are no leaks. reused if the fitting or hose end has been tightened beyond specifications. GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 34: Fastener Torque Specifications

    2000 Nm (1475 ft-lb) 2400 Nm (1770 ft-lb) Unless special torque requirements are listed in this manual or other instructions, torque Unified Thread Standard bolts (label: UNC) to the values listed in the table below. © Mar. 2022 2-10 GTTZ10EJ Maintenance Manual...
  • Page 35 200 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 GTTZ10EJ Maintenance Manual 2-11 © Mar. 2022...
  • Page 36 SPECIFICATIONS This Page Intentionally Left Blank © Mar. 2022 2-12 GTTZ10EJ Maintenance Manual...
  • Page 37: System Descriptions

    The controller communicates signals through a high-speed data bus. GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 38 SYSTEM DESCRIPTIONS This Page Intentionally Left Blank © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 39: Service And Guidelines

    Reference the Maintenance Inspection Report for items Qualified Sinoboom equipment mechanic is a person requiring inspection. Reference the Inspection recognized by Sinoboom as one who, by possession of Procedures in appropriate areas of this manual to a recognized degree, certificate, training, has perform the inspection and maintenance procedures.
  • Page 40: Preventive Maintenance

    SERVICE AND GUIDELINES For the purpose of receiving the safety-related PREVENTIVE MAINTENANCE bulletins, it is important that Hunan Sinoboom Intelligent Equipment Co., Ltd. has updated ownership The preventive maintenance must be performed by a information for each machine. When performing each qualified Sinoboom equipment mechanic.
  • Page 41: Cleanliness

    Always recheck your work to assure that 3. The qualified personnel should not install the nothing has been overlooked. Do not make any machine unless a thorough inspection of the ground GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 42: Scrap Of Structural Parts

    Be sure to cut holes in the right the specified intervals. When recommended lubricants location, as blank gaskets can cause serious system are not available, consult your local supplier for an damage. © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 43: Battery

    Other joints that may allow entry of water into the connectors, like the area around the anti-pull buckle, should be properly sealed as well. GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 44 SERVICE AND GUIDELINES This Page Intentionally Left Blank © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 45: Maintenance Schedule

    Maintenance operations must be carried conditions and environment. out by a SINOBOOM-approved qualified technician, • Conduct quarterly inspection on machines that have and recorded in the maintenance inspection report.
  • Page 46 Functions and controls 1, 2, 10 Platform controls 1, 2, 10 Ground controls Emergency stop 2, 10 buttons 2, 10 Power-off switch Horn Brake Brake release Drive speed Emergency lowering Pothole guard limit switch © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 47 Overall machine components Structural parts 1, 2 Welds Pins and retaining 1, 2 pins Wear pads and 2, 6 shims Bearings 2, 6 Housing and 1, 2 covers Operation/ maintenance/parts manuals Decals and nameplate GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 48: Conducting A Pre-Delivery Inspection

    "inspection". Table 5-2 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 © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 49: Maintenance Inspection Report

    Electrical and hydraulic systems Inspect hydraulic oil level Inspect battery level Functions and controls Inspect ground controls Inspect platform controls Inspect emergency lowering Inspect drive speed Inspect pothole protection Inspect tilt protection Inspect brake system GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 50 Lubricate slewing bearing Inspect tires, rims and fasteners Inspect slewing bearing bolts Boom components Lubricate chains Electrical and hydraulic systems Inspect hydraulic cylinder drift Inspect hydraulic hoses Inspect hand pump Functions and controls Inspect brake release © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 51 Replace retracting wire rope REPAIRED/ NO/Machine Has Every 10 years or Problem YES/Machine is in Machine Has Been Damage or 100000h of operation Description Good Condition Repaired Malfunction Overall machine components Inspect the overall machine components GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 52: Major Modification And Repair Record

    “Good” condition before company. continuing to use the machine. Table 5-4 Major Modification and Repair Record Model Serial No. Machine Repair- Repairman’s Status Problem Description Modification/Repair Item Date Company and Signature Position ter Change © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 53: Chassis And Slewing Components

    Any tears or rips (ragged edges) in the cord plies which exceeds 2.5cm (1in) in any direction. • Any punctures which exceeds 2.5cm (1in) in diameter. • Excessive swelling of tires. • Any wear of tire contact surface which exceeds 25%. GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 54 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.
  • Page 55: Drive Motor & Reducer

    Loctite 272 to the bolts, and install and tighten. The recommended torque value is 130Nm (96ft-lb). 3. Install the reducer housing. 4. Install the tires. For details, please see Tires and Rims, page 5-9 GTTZ10EJ Maintenance Manual 5-11 © Mar. 2022...
  • Page 56: Wheel Support

    7. Remove the fastening bolts and shims at the position #2 as indicated. 8. Remove the plug at the position #3 as indicated. 9. Using brass drift and mallet, tap the wheel support out. © Mar. 2022 5-12 GTTZ10EJ Maintenance Manual...
  • Page 57 3. Install the grease fitting. Lubrication after removal 1. After removing the wheel support assembly, remove the self-lubricating bearings. GTTZ10EJ Maintenance Manual 5-13 © Mar. 2022...
  • Page 58: Steer Cylinder

    Rims, page 5-9 page 5-9 Wheel Support, page 5-12 7. Remove the jack. 5. Check 1. Start the machine. 2. Drive the machine steering left and right to check for malfunctions. Steer Cylinder 1. Preparation © Mar. 2022 5-14 GTTZ10EJ Maintenance Manual...
  • Page 59: Slewing Unit

    1. Align the mounting holes on the steer cylinder with those on the chassis. • All bolts installed in place. Install the bolts and torque to 130Nm (96ft-lb). • Screws properly tightened, tighten or replace if necessary. GTTZ10EJ Maintenance Manual 5-15 © Mar. 2022...
  • Page 60: Mast Components

    A properly tensioned steel cable should have no or little movement. 3. Steel cable tensioning adjustment Hunan Sinoboom Intelligent Equipment Co., Ltd. requires the spring projecting height of the steel cable be checked once a week. 1. Operating from the ground, raise the mast section 1 by 100mm±20mm (3.937in±0.787in), and then turn...
  • Page 61: Chains

    6mm every 7 years. The steel cable is made of high-carbon steel and has been specially treated.The used steel cable must be handed over to the specially intended enterprises for recycling. Chains 1. Preparation GTTZ10EJ Maintenance Manual 5-17 © Mar. 2022...
  • Page 62 4. Adjust the chain tension of each mast section to meet the projecting height specifications above. • Adjust the chain tension of mast section 1 to enable H2=300mm±2mm (11.811in±0.079in): alternately tighten or loosen the nuts as shown. © Mar. 2022 5-18 GTTZ10EJ Maintenance Manual...
  • Page 63 5. Replacement criteria Replace the chain if any of the following conditions occur: • The wear elongation rate of the 12–link chain is 2% more than the original, i.e., L1>L+2%L. GTTZ10EJ Maintenance Manual 5-19 © Mar. 2022...
  • Page 64: Connection Between Mast

    5. Be sure that the mounting bolts are securely tightened, with all the bolt heads in parallel with, and not 1.5mm (0.059in) higher than, the underside of the bracket. © Mar. 2022 5-20 GTTZ10EJ Maintenance Manual...
  • Page 65: Mast Wear Pads

    1.5mm (0.059in) higher than, the underside of the bracket. Figure 5-24 Mast wear pads 1. Preparation Figure 5-22 1. Start the machine from the ground. GTTZ10EJ Maintenance Manual 5-21 © Mar. 2022...
  • Page 66: Functions And Controls

    Corden off the area before testing. 0.5mm-1.5mm (0.0197in–0.059in). • Before testing, Position the machine on a level, firm surface Figure 5-25 clear of obstructions. 2. Testing the functions of ground controls L1 L2 © Mar. 2022 5-22 GTTZ10EJ Maintenance Manual...
  • Page 67: Platform Controls

    Function Test section of Operation Manual. UNSAFE OPERATION HAZARD Platform Controls • Corden off the area before testing. • Before testing, Position the 1. Preparation machine on a level, firm surface clear of obstructions. GTTZ10EJ Maintenance Manual 5-23 © Mar. 2022...
  • Page 68 7. Emergency stop button 11. Drive function button left/wheel steer left functions 4. Rocker switch for turntable rotate 8. Drive forward/lift direction arrow 12. Jib boom lift function button right/wheel steer right functions © Mar. 2022 5-24 GTTZ10EJ Maintenance Manual...
  • Page 69 MAINTENANCE Figure 5-29 Platform controls display Table 5-8 1. Overload symbol (OL) 3. Tilt symbol (LL) 5. Alarm display 2.Battery level symbol 4. Fault code Sinoboom system: STOP STOP Figure 5-30 Platform controller GTTZ10EJ Maintenance Manual 5-25 © Mar. 2022...
  • Page 70: Emergency Lowering

    (see the figure below for the location), and the and the up control button to raise the main boom to jib boom should descend fully. full height. 4. Pull out the handle of the main boom lift control valve. © Mar. 2022 5-26 GTTZ10EJ Maintenance Manual...
  • Page 71: Brake System

    1. Draw a line on the ground as a reference. 2. Start the machine. 3. Push the drive function button, then press and hold the enable button on the joystick and slowly deflect the joystick to full stroke. GTTZ10EJ Maintenance Manual 5-27 © Mar. 2022...
  • Page 72: Brake Release Function

    Before releasing the drive brake, be sure the machine is on a level surface or safely choked. 2. Testing the brake release function Method 1: 1. Choke wheels securely to prevent motion of the machine. © Mar. 2022 5-28 GTTZ10EJ Maintenance Manual...
  • Page 73: Drive Speed

    9. Remove the end cap bolts from the disengage holes, and install the brake cover and end cap Pothole Protection bolts. 10. Remove the chokes as desired. 1. Preparation Drive Speed 1. Preparation GTTZ10EJ Maintenance Manual 5-29 © Mar. 2022...
  • Page 74: Tilt Protection

    5. Place two wooden blocks under the two wheels on the front or rear end of the machine. The wooden © Mar. 2022 5-30 GTTZ10EJ Maintenance Manual...
  • Page 75: Weighing System

    4. Remove the excessive loads from the platform, the machine functions should be resumed. GTTZ10EJ Maintenance Manual 5-31 © Mar. 2022...
  • Page 76: Hydraulic And Electrical Systems

    To control the lifting direction 27.1Nm (20ft-lb) Check valve To keep the fluid flowing in one 40~45Nm (29.5~33.2ft-lb) direction Damper 4Nm (3ft-lb) Check valve To keep the fluid flowing in one 40~45Nm (29.5~33.2ft-lb) direction © Mar. 2022 5-32 GTTZ10EJ Maintenance Manual...
  • Page 77 To control the lowering direction 25.8~28.5Nm (19~21ft-lb) of jib Check valve To keep the fluid flowing in one 40~45Nm (29.5~33.2ft-lb) direction Damper (standard To control the lowering speed of 5Nm (3.7ft-lb) φ1.2) Damper 5Nm (3.7ft-lb) GTTZ10EJ Maintenance Manual 5-33 © Mar. 2022...
  • Page 78 Figure 5-40 Pothole control valve (PN.202040003006) Table 5-13 Name Function Torque Pressure reducing To control pressure 27.2Nm (20ft-lb) valve Solenoid valve To control the deploy/retract 27.2Nm (20ft-lb) direction of pothole guard plate Damper 5Nm (3.7ft-lb) © Mar. 2022 5-34 GTTZ10EJ Maintenance Manual...
  • Page 79: Power Unit

    To control the direction of steering wheel valve Solenoid To control the direction of turntable slewing valve To control the lifting direction of main boom and Solenoid jib boom valve Hand Pump 1. Preparation GTTZ10EJ Maintenance Manual 5-35 © Mar. 2022...
  • Page 80 2. Insert the handle into the hole of hand pump as indicated. 3. While pressing the ring of the button at the end of steer valve, push and pull the handle up and down, the machine should steer right. © Mar. 2022 5-36 GTTZ10EJ Maintenance Manual...
  • Page 81: Hydraulic Cylinder

    Deformation, damage and cracks 4. Steer the wheels to the leftmost (or rightmost). • Rust and shock marks Measure the steer cylinder drift 10min later using a • Foreign objects on cylinder surfaces calibrated dial gauge. GTTZ10EJ Maintenance Manual 5-37 © Mar. 2022...
  • Page 82: Hydraulic Hose

    Figure 5-45 and then slowly loosen each component to release the pressure. 1. Cylinder barrel welding 4. Piston rod joint 2. Cylinder barrel 5. Piston 6. Piston rod welding 3. Bearing joint © Mar. 2022 5-38 GTTZ10EJ Maintenance Manual...
  • Page 83: Hydraulic Filter

    1. Start the machine from the ground. 2. Properly move the hoses to drain the hydraulic system. 3. Inspect for hydraulic leaks. 4. Check the hydraulic oil level in the tank. 5. Check the pressure. Hydraulic Filter 1. Preparation GTTZ10EJ Maintenance Manual 5-39 © Mar. 2022...
  • Page 84: Hydraulic Oil

    5. Install the new filter element to the filter head. within the marking range of oil level indicator. 6. Wipe off the oil spills during the replacement procedures. Hydraulic Oil 1. Preparation Figure 5-47 © Mar. 2022 5-40 GTTZ10EJ Maintenance Manual...
  • Page 85: Battery

    1. Open the right turntable cover. 2. Remove the drain plug of the hydraulic tank, drain all the oil into a suitable container, and re-install the plug. For the hydraulic tank capacity, see Machine Specifications, page 2-1 GTTZ10EJ Maintenance Manual 5-41 © Mar. 2022...
  • Page 86 • If the acid comes in contact with the skins or eyes, rinse with plenty of clear water, and seek medical attention immediately. © Mar. 2022 5-42 GTTZ10EJ Maintenance Manual...
  • Page 87 The battery level is at 10%, which is very low. The machine will become slow. The battery requires recharging. NOTICE The battery must be charged at the power ratio of approx. 20%. Do not use the battery until fully depleted. 4. Removing the battery GTTZ10EJ Maintenance Manual 5-43 © Mar. 2022...
  • Page 88 7. Using the crane, lift the upper battery box clear of the machine. 8. Attach the straps of the crane to the lower battery box. 9. Remove the bolt and washer #3 from the lower battery box. © Mar. 2022 5-44 GTTZ10EJ Maintenance Manual...
  • Page 89 Generally, frequent battery use shown in the following table. requires frequent additions of water. GTTZ10EJ Maintenance Manual 5-45 © Mar. 2022...
  • Page 90 5A and the voltage of the battery rack is higher battery rack. than the following values: 6. The battery in the battery rack may have a problem if the difference still exists. © Mar. 2022 5-46 GTTZ10EJ Maintenance Manual...
  • Page 91: Electric Cable

    If the decal or manual needs to be changed, please • The disassembly, if needed, must contact Hunan Sinoboom Intelligent Equipment Co., be performed by qualified trained Ltd. personnel with power supply completely off.
  • Page 92: Pins And Composite Bearings

    Fastener Torque Specifications, page 2-10in this manual. If any of the above conditions occur, the associated parts must be replaced. Hunan Sinoboom Intelligent Eequipment Co.,Ltd. requires the bearing and bushing NOTICE be replaced every 10 years. Some fasteners, such as cotter pins and slewing When re-installing, be noted that:...
  • Page 93 The composite bearing is dry connected, free of lubrication. • During the installation and operation, inspect the pins for spurs, cuts, or bruises which may damage the bearing. GTTZ10EJ Maintenance Manual 5-49 © Mar. 2022...
  • Page 94 MAINTENANCE This Page Intentionally Left Blank © Mar. 2022 5-50 GTTZ10EJ Maintenance Manual...
  • Page 95: Troubleshooting And Schematics

    The hydraulic tank has sufficient oil; the troubleshooting table below. If the failure persists, • The battery is properly charged; please contact Hunan Sinoboom Intelligent Equipment Co., Ltd. • The emergency stop buttons at the ground or platform controls are pulled out to the ON position;...
  • Page 96 Jib up valve fault: check the coil wiring, if correctly Lift and drive functions Jib up valve fault wired, check whether the coil is open or short restricted circuited. © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 97 Machine off-level fault: if the machine is off level, Lift and drive functions try to level it up. Otherwise check the sensor and Machine off-level fault restricted wiring. Table 6-2 Trouble Description and Inspection (SINOBOOM System) Code Problem Disabled Actions Solution Controller memory chip may be faulted: System Initialization Power off and restart the machine.
  • Page 98 Turntable left turn solenoid valve is short-circuited or open-circuited: Disable Lifting and Driving E053 Left Turn Coil Fault Check whether the turntable left turn solenoid valve is short-circuited or open-circuited; Check the turntable left turn solenoid valve. © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 99 Disable Lifting and Driving Transport the inclined machine to a flat work site; Machine Tilted Check the angle sensor and the line for fault; Check if the ECU controller is loosely installed. GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 100: Hydraulic Schematic

    Pressure sensor Jib control manifold Lift control manifold Hose drum Pothole cylindre Pothole cylindre Open Open Close Close A1 A2 Steer cylindre Pothole guard control mainfold Swing motor Power unit 150bar MOTOR Figure 6-1 © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 101: Electrical Schematic

    TROUBLESHOOTING AND SCHEMATICS ELECTRICAL SCHEMATIC CAN1H CAN1L Figure 6-2 GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 102 TROUBLESHOOTING AND SCHEMATICS This Page Intentionally Left Blank © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 103: Appendix 1: Prepare The Work Record Before Delivery

    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. GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 104 TROUBLESHOOTING AND SCHEMATICS This Page Intentionally Left Blank © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 105: Appendix 2:Maintenance Inspection Report

    Inspect safety belt and helmet REPAIRED/ NO/Machine Has After 30 days or 50h of Problem YES/Machine is in Machine Has Been Damage or operation Description Good Condition Repaired Malfunction Chassis and turntable components GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 106 Problem YES/Machine is in Machine Has Been Damage or of operation Description Good Condition Repaired Malfunction Chassis and turntable components Inspect tires, rims and fasteners Mast/boom components Inspect boom wear pads Inspect chain tensioning © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 107 Problem YES/Machine is in Machine Has Been Damage or 105000h of operation Description Good Condition Repaired Malfunction Overall machine components Inspect the overall machine components User Inspector signature Inspection date Inspector title Inspector company GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 108 TROUBLESHOOTING AND SCHEMATICS This Page Intentionally Left Blank © Mar. 2022 GTTZ10EJ Maintenance Manual...
  • Page 109: Appendix 3: Major Modification And Repair Record

    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. GTTZ10EJ Maintenance Manual © Mar. 2022...
  • Page 110 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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