Page 1 Maintenance Part No.514004110002 Rev: B Manual Mar 2022 产品说明书 PRODU C T MAN U AL TB24E Plus/TB800E Plus TB26EJ Plus/TB860EJ Plus 0608E (2132E) G T JZ TB26E Plus/TB850E Plus 0808E (2732E) G T JZ TB28EJ Plus/TB910EJ Plus 0808E (2732E) G T JZ...
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/Nameplate Inspection of the Operation Manual for details.) Trade Identification Model Serial No. Imperial Metric From 1400300100 to present TB24E Plus TB24E Plus TB800E Plus From 1400400118 to present TB26EJ Plus TB26EJ Plus TB860EJ Plus From 1401100100 to present...
Page 6 This Page Intentionally Left Blank...
Page 7 This manual covers the basic parts information of one or more products. Therefore, please use this manual according to your needs. If you find problems in the manual or have suggestions for improve- ment, feel free to share your feedback with Sinoboom, and we will address these issues as soon as possible.
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Page 9: Table Of Contents
Hydraulic System ..... 3-1 Pins and composite bearing... 4-5 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 10 Level .......5-15 Main Boom Assembly ....6-5 Chassis and Turntable Components . . 6-6 © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 11 Platform information....7-17 Alarm information ....7-18 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 13: Introduction
If you have any questions, contact Hunan Sinoboom In- telligent Equipment Co., Ltd.. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 15: Safety
Ensure the machine's lifting height does not exceed 3 m(9.8 ft) until all damage has been repaired and all controllers operate properly. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 16: Electrocution Hazards
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 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 17 • Do not use the platform or boom minimum distance of 0.6m (2ft) assembly to push other machines and reduce the speed. or objects. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 18: Jobsite Hazards
Do not lift 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, © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 19 If the machine is used in any other applications, or by any other means, as specified by fold the platform and do not Sinoboom, it must be approved or guided by the continue to operate the machine. manufacturer.
Page 20: Unsafe Operation Hazards
The battery is vital to maintaining the stability of the machine. • Do not place or attach any suspended load onto any part of the machine. © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 21: Fall Hazards
Maintenance Manual in addition to following more maintenance manual in addition to following more stringent industry regulations and workplace rules. stringent industry regulations and workplace rules. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 22: Crush Hazards
• Limit the speed of travel according to ground conditions, crowding, gradients, the presence and location of personnel and any © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 23: 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. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 24: Battery Hazards
ELECTROCUTION HAZARD • Contact with hot circuit may cause serious injury or death. Be sure to wear goggles, gloves and protective clothing. • Remove all rings, watches and other accessories. © Mar 2022 1-10 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 25 Do not tamper with battery system to avoid serious accident. • Cut off the battery main switch if the battery is not to be used for an extended period. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 1-11 © Mar 2022...
Page 26: Hydraulic Hazards
7. Turn the key switch at the ground controls to OFF position and remove the key to avoid unauthorized operation of the machine. 8. Turn off the main power switch. © Mar 2022 1-12 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 27 SAFETY NOTICE After using the machine, the main power switch must be disconnected. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 1-13 © Mar 2022...
Page 28 SAFETY This Page Intentionally Left Blank © Mar 2022 1-14 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 29: Specifications
Max drive speed (raised) 0.68mph 1.1km/h Drive mode (drive×steer) 4WD×2WS Gradeability 45%/24° Turntable tailswing 4ft 9in 1.45m Max allowable inclination 5° Turning radius (inside) 3.65m 12ft Turning radius (outside) 6.91m 22ft 8in TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 30 Table 2-2 TB26EJ Plus specifications TB26EJ Plus (METRIC) TB860EJ Plus (IMPERIAL) ITEMS DIMENSION Max platform height 26.3m 86ft 3in Max working height 28.3m 92ft 10in Max horizontal reach (restricted/ 18.65m/20.6m 61ft 2in/67ft 7in unrestricted) © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 31 53V AC/15 kW Hydraulic tank capacity 37.4gal (UK)/44.9gal (US) 170L Hydraulic system pressure 21MPa 3045Psi 2×40V, 480Ah (lead-acid battery) Battery (number×voltage, capacity) 2×40V, 500Ah (lithium battery) Power system voltage 80V DC TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 32 1ft 2in Options Tire size (spec/type) 385/65-22.5 (foam-filled) 385/65-24/10.00 (solid) Options Options 1.45×0.85×1.1 m 4ft 9in×2ft 9in×3ft 7in Platform dimension (L×W×H) 1.83×0.85×1.1 m 6ft×2ft 9in×3ft 7in 2.44×0.91×1.1 m 8ft×3ft×3ft 7in © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 33 Max tire load 21208 lb Pressure against ground 730kPa 105.9Psi ENVIRONMENT Max allowable wind speed 12.5 m/s 28 mph Max allowable altitude 1000 m 3280ft Allowable ambient temperature -10℃～40℃ 14℉～104℉ (lead-acid battery) TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 34 661 lb (2 people & tools) (unrestricted) Turntable rotation/continuity 360°/continuous Platform rotation 160° Max drive speed (stowed) 3 mph 4.8km/h Max drive speed (raised) 0.68 mph 1.1km/h Drive mode (drive×steer) 4WD×2WS Gradeability 45%/24° © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 35 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 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 36 In cold weather, auxiliary devices are needed to start the machines. e) Rated platform capacity refers to the rated load of the platform, including the loads of persons, materials, tools, platform accessories and other objects borne by the platform. TB24E Plus chart of working envelope (5°) 300kg (661lb) 454kg (1000lb) ©...
Page 37 SPECIFICATIONS TB26EJ Plus chart of working envelope (5°) 300kg (661lb) 454kg (1000lb) TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 38: Motor Specifications
TB28EJ Plus chart of working envelope (5°) 300kg (661lb) 454kg (1000lb) MOTOR SPECIFICATIONS Frequency 88.3Hz Current 226A Table 2-5 Hybrid motor Table 2-6 Drive motor Power 15kW Voltage Power Voltage Torque 55Nm 2600rpm 3520rpm © Mar 2022 2-10 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 39: Function Speed
50–60℃. If the hydraulic oil temperature is too low, the test results will be affected. Table 2-8 Component Metric (kg) Imperial (lb) Chassis assembly 6318 13931 Turntable assembly 7514 16568 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 2-11 © Mar 2022...
Page 40 Drive motor Drive reducer Wheel assembly Battery (lead-acid) 1444 Battery (lithium) Counterweight (inside battery box)- lithium battery only Note: The weight of components may vary with different options selected. © Mar 2022 2-12 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 41: Hydraulic System Specifications
70 ± 5 Nm (52 ± 4 ft-lb) M22 × 1.5 85 ± 6 Nm (63 ± 4 ft-lb) M24× 1.5 90 ± 6 Nm (66 ± 4 ft-lb) M26 × 1.5 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 2-13 © Mar 2022...
Page 42: Hydraulic Fitting Torque
210 ± 13 Nm (155 ± 10 ft-lb) M30×2 180 ± 10 Nm (133 ± 7 ft-lb) 320 ± 20 Nm (236 ± 15 ft-lb) 260 ± 15 Nm (192 ± 11 ft-lb) M33×2 © Mar 2022 2-14 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 43 INSTALLED INTO INSTALLED INTO STEEL ALUMINUM THREAD SIZE O-RING O-RING L (LIGHT-DUTY) 7/16-20 21 ± 2 Nm (15 ± 2 ft-lb) 21 ± 2 Nm (15 ± 2 ft-lb) TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 2-15 © Mar 2022...
Page 44: Hydraulic Hose And Fitting Torque
10 Nm (7 ft-lb) 12 Nm (9 ft-lb) 15 Nm (11 ft-lb) 18 Nm (13 ft-lb) 30 Nm (22 ft-lb) 35 Nm (26 ft-lb) 42 Nm (31 ft-lb) 1.25 © Mar 2022 2-16 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 45 60 Nm (44 ft-lb) 82 Nm (60 ft-lb) 7/16-14 5/8" 90 Nm (66 ft-lb) 130 Nm (96 ft-lb) 1/2-13 3/4" 130 Nm (96 ft-lb) 180 Nm (133 ft-lb) 9/16-12 13/16" TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 2-17 © Mar 2022...
Page 46 200 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 © Mar 2022 2-18 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 47: System Descriptions
All storage batteries are charged through external power supply and use the same charger. A power-off switch is fitted to protect the control system. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 48 SYSTEM DESCRIPTIONS This Page Intentionally Left Blank © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 49: Service And Guidelines
Procedures in appropriate areas of this manual to Qualified Sinoboom equipment mechanic is a person perform the inspection and maintenance procedures. recognized by Sinoboom as one who, by possession of For the purpose of receiving the safety-related a recognized degree, certificate, training, has...
Page 50: Preventive Maintenance
Reference the Repair & Inspection Report and Maintenance Schedule in this manual for the inspecton items and intervals. Reference the Inspection Procedures in appropriate areas of this manual to perform the inspection and maintenance procedures. © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 51: 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. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 52: Cleanliness
• The static and dynamic load tests of the machine suggest a compliance with the relevant standard. © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 53: Pressure-Fit Parts
• 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. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 54: 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. © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 55: Maintenance Procedures
Tag the machine and do not use it. • Keep all machine inspection records for at least 10 years or until the machine is no longer in use or as required by machine owner/company/custodian. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 56: Following Amaintenance Schedule
"- A+B+C hours REPAIRED" shall be checked. Select the appropriate inspection procedure based on the Every year or every 1000 hours A+B+C+D inspection type. © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 57 B-5 Inspect Emergency Lowering B-6 Inspect Air Filter of Hydraulic Tank B-7 Replace High-pressure Filter Element B-8 Test Driving Speed B-9 Inspect Length and Angle Sensors B-10 Inspect Tilt Protection TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 58 Been Repaired Condition Malfunction D-1 Replace Drive Reducer Gear Oil D-2 Replace Slewing Reducer Gear Oil D-3 Replace Hydraulic Oil D-4 Replace Hydraulic Tank Suction Filter D-5 Inspect Boom Wear Pads © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 59: Checklist Aprocedures
If too high, the oil will spill out please contact Hunan Sinoboom Intelligent Equipment from the oil tank during machine operation, if too low, Co., Ltd.. the oil pump will suction air and damage hydraulic TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 60: Inspect Hydraulic Leakage
Pre-operation Function Test section in less than -30°C (-22°F) need to be identified. Operation Manual. Before performing the functional test, ensure that the safety rules in the operation manual are fully read and understood. © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 61 13. Jib rotate switch-not used 22. Ground control position 6. Enable switch 14. Platform rotate switch 7. Emergency power switch 15. Platform level switch 8. Not used 16. Not used TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 62 21. Heavy load indicator 9. Platform info 33. Overload limit 10. Alarm message 34. Drive limit (operating position) 22. Overload alarm 35. Drive and boom functions 11. Fault alarm 23. Not used allowed © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 63 29. Power indicator light 7. Not used 18. Steer direction 8. Platform rotate switch 19. Drive/steer control handle 30. Horn button 9. Not used 20. Drive direction 31. Buzzer button TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 64: Perform Maintenance After
4. Repeat the steps 2 and 3 until the oscillate cylinders on both sides have been successfully exhausted. 5. Inspect the counterbalance valve locking. Figure 5-5 © Mar 2022 5-10 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 65: Fasteners
Rubber cracks in radial direction. or repair the damaged or corroded electrical wires. • Rubber worn to the wear mark. 2. Inspect the lug nuts are torqued to specificion (700Nm[517ft-lb]). TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 5-11 © Mar 2022...
Page 66: Inspect Emergency Lowering
5. Use neutral solvent to clean the air filter, then blow dry and repeat the Step 2. Operating from the platform： 6. Install the air filter back to the hydraulic tank. © Mar 2022 5-12 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 67: Replace High-Pressure Filter
If the sensors can’t function properly, it will pose dangers to machine operation. Inspecting length sensor Figure 5-7 Hight-pressure filter 2. Place a suitable vessel under the filter. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 5-13 © Mar 2022...
Page 68: Inspect Tilt Protection
The boom can be fully retracted. TB24E Plus: when the boom extends to the farthest (the ground display reads 19.18m), the Note: The max allowable tolerance of the angle buzzers at the ground and platform controls sensor is not greater than 0.5°within its full range of...
Page 69: Inspect Drive Reducer Oil
90 degrees, as shown in the figure below. Figure 5-9 1. Open the left side cover of turntable, and locate the slewing reducer. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 5-15 © Mar 2022...
Page 70: Bolts
4. Ensure the feeler gauge won’t go through the outside of bolt head to the bolt shank. 5. Rotate the turntable to inspect all the bolts. Inspecting the connecting bolts between turntable and slewing bearing © Mar 2022 5-16 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 71: Lubricate Slewing Bearing
Fig 5-9 , page 5-16, insert 0.04mm feeler gauge in between the bolt and washer. 7. Ensure the feeler gauge won’t go through the outside of bolt head to the bolt shank. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 5-17 © Mar 2022...
Page 72: Test Cylinder Drift
8. The assistant on the ground should inspect whether the wheel on the front left or rear right still remains 100/3.94 0.39/0.015 off the ground, and keept it elevated. 125/4.92 0.23/0.009 © Mar 2022 5-18 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 73: Test Oscillate Outriggers
Note: Adding a terminal protector and anti- corrosion sealant will prevent the terminals and cables from corrosion. The instructions below are applied only for batteries requiring maintenance： TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 5-19 © Mar 2022...
Page 74: Checklist Cprocedures
Before the test, move the boom fully up and down and telescope in and out for at least twice to ensure the pulley and track are adequately lubricated. NOTICE Shut off the machine before inspection. © Mar 2022 5-20 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 75: Checklist Dprocedures
90 degrees. 1. Drive the machine to rotate the reducer to the position with one bolt at the bottom, as shown in the figure below. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 5-21 © Mar 2022...
Page 76: Replace Hydraulic Tank
When performing the procedure D-3 Replace system, allow the hydraulic oil to Hydraulic Oil, page 5-22, the hydraulic tank suction cool down to room temperature. filter must also be replaced. © Mar 2022 5-22 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 77 2. Measure the thickness of each wear pad as indicated in the above figure. The wear pad thickness specifications are listed in the table below. Table 5-11 Thickness Specifications 16mm（0.63in） 25mm（0.98in） 16mm（0.63in） 28mm（1.10in） 11mm（0.43in） 20mm（0.79in） 30mm（1.18in） TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 5-23 © Mar 2022...
Page 78 3mm(0.118in.), the wear pad assembly should be timely replaced. NOTICE The wear pad disassembled from the boom should never be reused. Be sure to replace with a new wear pad asssembly. © Mar 2022 5-24 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 79: Repair Procedures
The retract cable is installed outside the boom so that the failures with retract cable are self- TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 80: Platform Controller
5. Use a suitable device to support the platform rotate motor. 6. Remove the bolts and nuts securing the pivot pin 4# to the platform rotate motor. 7. Remove the platform rotate motor. © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 81: Jib Boom Assembly（Tb26Ej
Inspecting the jib boom assembly the platform. 3. Lower the boom until the platform sits on the support. Take special care not to press the total weight of boom over the support. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 82: Cable Track Assembly
3. Using a tool, hold the thread end (platform end) of 4. Using a wrench, torque alternately the adjusting the retract cable to prevent it from rotating. nuts of the both retract cables to 112 Nm (82.68 ft- lb). © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 83: Main Boom Assembly
8. Fully retract the boom, and ensure each boom supported by a rigid structure, as section position dimensions fall within the shown in Fig 6-10 , page 6-6. tolerances in the figure below. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 84: Chassis And Turntable Components
4. Adequately support the main boom lift cylinder with may result in an unsafe condition a suitable supporting device. regarding stability. © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 85: Turntable Slewing Mechanism
Do not use a lubricant on threads or nuts. 2. Tighten the nuts in the sequence as shown below. Figure 6-14 Table 6-2 DESCRIPTION Slewing Buffer Valve Slewing Motor Slewing Reducer Figure 6-13 Slewing Bearing TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 86 Outer Friction Disc Planetary Gear Set Assembly, page 6-9) Inner Friction Disc Screw Adjuster Shim Mounting Disc Backing Plate Screw Standard Retainer Ring for Hole Thread Plug Compound Gasket Brake Housing © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 87 Retainer Ring for Hole Bearing Bearing Seat Oil Seal Output Spline Shaft Removal of slewing drive device 1. Tag, disconnect and plug the hydraulic hoses of slewing buffer valve and slewing reducer brake. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 88 Apply threadlocker Loctite 272 to the bolt with washer on, install the bolt and tighten. Installation of slewing bearing © Mar 2022 6-10 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 89: Battery Box
Battery on the right side of turntable： 1. Open the right turntable cover and locate the battery. 2. Tag and disconnect the battery cables. 3. With assitance of a lifting device, remove the battery. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-11 © Mar 2022...
Page 90: Layout Of Hydraulic Elements
HYDRAULIC SYSTEM 1. Remove the battery box. For the details, see Battery Box, page 6-11. Layout of Hydraulic Elements 2. With assitance of a lifting device, remove the battery. © Mar 2022 6-12 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 91 3. Hydraulic tank 8. Open-circuit variable 13. Platform duplex valve displacement pump 4. Boom function manifold 8.High-pressure filter 14. Level counterbalance valve 5. Slewing buffer valve 10. Telescope counterbalance valve TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-13 © Mar 2022...
Page 92: Function Manifold
REPAIR PROCEDURES Function Manifold 12-2 12-3 14-1 12-1 14-2 Figure 6-24 boom function manifold (PN.202040003176) © Mar 2022 6-14 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 93 34–41Nm (25–30ft-lb) Maintain a balanced load valve 15Nm (11ft-lb) Bolt Cover plate 14Nm (10ft-lb) Coil Plug 11–12Nm (8–9ft-lb) Plug 25–28Nm (18–21ft-lb) Plug 41–48Nm (30–35ft-lb) Plug 72–82Nm (51–61ft-lb) 8Nm (6ft-lb) Bolt TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-15 © Mar 2022...
Page 94 15Nm (11ft-lb) Bolt Damper 5Nm (3.7ft-lb) Figure 6-25 202040003032 oscillate counterbalance valve Table 6-10 202040003032 oscillate counterbalance valve NAME TORQUE FUNCTION Counterbalance 40～45Nm (30～33ft-lb) Keep the load balanced valve © Mar 2022 6-16 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 95 REPAIR PROCEDURES Figure 6-26 202040003061 slewing buffer valve Table 6-11 202040003061 slewing buffer valve TORQUE NAME FUNCTION Counterbalance 40～45Nm (30～33ft-lb) Keep the load balanced valve Shuttle valve Circuit switchover TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-17 © Mar 2022...
Page 96 40～45Nm (30～33ft-lb) Jib boom lift direction and speed control 1–1 Solenoid valve 40～45Nm (30～33ft-lb) Platform rotation direction and speed control 1–2 Solenoid valve Damper 5Nm (9ft-lb) Damper 5Nm (9ft-lb) © Mar 2022 6-18 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 97 Maintain a balanced load valve Counterbalance 41～47Nm (30～35ft-lb) Maintain a balanced load valve 40Nm (29.5ft-lb) Solenoid valve Maintain a balanced load 45–50Nm (33–37ft-lb) Control the speed of boom extending/retracting Solenoid valve TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-19 © Mar 2022...
Page 98 Maintain a balanced load (24–26ft-lb) 55–65Nm (41–48ft-lb) Provide overload protection Relief valve 44.9–50.3Nm Proportional Control main boom lifting\lowering speed (33.1–37.1ft-lb) solenoid valve Compensator 40.6Nm (30ft-lb) Provide flow compensation valve © Mar 2022 6-20 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 99: Hydraulic Symbols
Check valve 28.5682 46.7096 Emergency power 28.5682 16.0000 34.4087 46.7096 34.4087 32.0000 Hydraulic motor 棕兰 32.0000 黑 16.0000 28.5682 16.0000 Overflow valve 17.4787 46.7096 34.4087 32.0000 28.5682 16.0000 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-21 © Mar 2022...
Page 100: Hydraulic Schematic
REPAIR PROCEDURES Hydraulic Schematic Figure 6-30 Hydraulic schematic-TB24E Plus © Mar 2022 6-22 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 101 REPAIR PROCEDURES Figure 6-31 Hydraulic schematic-TB26EJ Plus TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-23 © Mar 2022...
Page 102 REPAIR PROCEDURES Figure 6-32 Hydraulic schematic-TB26E Plus © Mar 2022 6-24 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 103 REPAIR PROCEDURES Figure 6-33 Hydraulic schematic-28EJ Plus TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-25 © Mar 2022...
Page 104: Electrical System
Check whether the obstacle detection switch Obstacle detection Obstacle detection alarm functions properly alarm Drive controller Drive controller error alarm Check the associated error of drive controller error alarm © Mar 2022 6-26 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 105 Check the wiring of platform swing right solenoid solenoid valve fault valve fault valve Platform leveling up Platform leveling up solenoid Check the wiring of platform leveling up solenoid solenoid valve fault valve fault valve TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-27 © Mar 2022...
Page 106 Main boom relative Main boom relative angle Check the wiring of main boom relative angle angle sensor fault sensor fault sensor © Mar 2022 6-28 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 107 2. Controller damage. Pre-charging fault of RL 0314 3. If no problem is found in the above motor controller inspections, replace the controller. Pre-charging fault of RR 0414 motor controller TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-29 © Mar 2022...
Page 108 The power generation current limit Activated battery current value sent by the host computer is less attenuation Declined battery current of than the actual value. 0121 FL motor controller © Mar 2022 6-30 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 109 0224 performance of FR motor voltage increase. controller 4. Check the regenerative brake setup and current limit. Reduced overvoltage 0324 performance of RL motor controller TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-31 © Mar 2022...
Page 110 2. Improper set up motor deceleration value setup; temperature. Reduced overheat 0228 performance of FR motor 3. Monitor the machine operating current to controller determine whether the overheat results © Mar 2022 6-32 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 111 2. Monitor output signal via monitor menu/ outputs menu/Driver 3 PWM to check 2. Stained/damaged/ whether there is output control signal; Open/short-circuited broken wiring. 0133 solenoid brake/coil 3 3. Check the coil of contactor; TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-33 © Mar 2022...
Page 112 3. Improper wiring. speed A/B; Encoder error of RL motor 0336 4. If the checks above fail to discover the controller problem, replace the encoder. © Mar 2022 6-34 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 113 Note: The pins #16 of the 35-pin controller controller output voltage at slider connector is for accelerator slider end input. end of accelerator. High voltage at slider end 0241 of accelerator of FR motor controller TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-35 © Mar 2022...
Page 114 Low voltage at slider end of 0344 pot2 of RL motor controller Low voltage at slider end of 0444 pot2 of RR motor controller © Mar 2022 6-36 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 115 VCL run error of pump 0068 motor controller 1. Update the software to the correct version; Software problem VCL run error of FL motor 2. Replace the controller. 0168 controller TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-37 © Mar 2022...
Page 116 2. Encoder fault; can be properly delivered; Motor stalling of FL motor 3. Improper wiring or 0173 controller 2. Ensure the brake is fully disengaged; motor damage © Mar 2022 6-38 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 117 Power supply fault of FL of controller; 0183 Check the internal controller for fault. motor controller 2. Power supply failure of drive circuit. Power supply fault of FR 0283 motor controller TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-39 © Mar 2022...
Page 118 Motor type error of RL 0389 motor controller Motor type error of RR 0489 motor controller VCL/OS mismatch of pump Controller program error Update the program to the correct version. 0091 motor controller © Mar 2022 6-40 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 119 2. Check the wiring of emergency reverse motor controller which leads to the switch; activation of Emergency reverse emergency reverse 3. Check the programming of emergency 0294 response timeout of FR timeout. reverse. motor controller TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-41 © Mar 2022...
Page 120 Communication timeout 1s communication Check CAN3 signal lines between FL motor 0152 between FL motor controller timeout of FL motor controller and machine main controller. and machine main controller. controller © Mar 2022 6-42 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 121 Charging at High Temperature-First 0x301 0x109 Level Level Total Voltage Undervoltage-First Charging at High Temperature- 0x102 0x209 Level Second Level Total Voltage Undervoltage-Second Charging at High Temperature-Third 0x202 0x309 Level Level TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-43 © Mar 2022...
Page 122: Use And Maintenance Of Battery
Use and Maintenance of Battery The battery falls into 3 types: lead acid, lead acid maintenance-free and lithium batteries. The lithium battery and lead acid maintenance-free battery are free of maintenance. © Mar 2022 6-44 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 123 Apply a thin layer of petroleum jelly to the terminals or use terminal protector. 3. Keep the area around the battery clean and dry. Charging TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-45 © Mar 2022...
Page 124 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). © Mar 2022 6-46 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 125: Electrical Symbols
θ 兰棕 θ 黑 Two lines connected Delay relay 17.4787 46.7096 46.8000 34.4087 θ Power-off switch Motor 0000 28.5682 16.0000 28.5682 46.7096 Relay Storage battery 46.8000 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-47 © Mar 2022 + Li...
Page 126 Key switch Warning lamp Preheating wire Valve Two lines non- connected 兰棕 Proximity switch/ 黑 Pressure sensor 28.5682 46.7096 28.5682 兰棕黑 Fuel level sensor 46.8000 Horn 28.5682 © Mar 2022 6-48 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 128: Electrical Schematic
IN_50 OUT_25 XJ2-13 XJ1-24 XJ2-6 XJ1-22 B04A XJ2-5 XJ1-23 SB200 GNDS SA201 XJ1-13/14 XJ1-3/4 XJ1-17/18 XJ1-1/2 +12V XJ1-15/16 XJ1-19/20 XJ1-11/12 XJ1-9/10 XJ1-7/8 XJ1-5/6 Figure 6-34 Electrical schematic of turntable © Mar 2022 6-50 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 129 DT15a V(C)_IN_59 PWM_OUT_38 DT15b V(C)_IN_60 PWM_OUT_39 V(C)_IN_56 PWM_OUT_40 IN_47 OUT_24 H103 L105 L106 IN_48 OUT_23 IN_49 OUT_26 IN_50 OUT_25 H100 HG100 S116 SB100 Figure 6-35 Electrical schematic of platform TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-51 © Mar 2022...
Page 130 REPAIR PROCEDURES This Page Intentionally Left Blank © Mar 2022 6-52 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 131: Rexroth Control System
Sinoboom after-sales personnel in time. • Incorrect operation may result in death, serious injury or machine damage. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 132 Engine Info Engine Fault Diagnoses Turntable Info Turntable Panel Info Platform Panel Info-Input Platform Panel Info-Output Platform Info Alarm Info Alarm Info Fault Info Figure 7-1 Display interface navigation diagram © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 133: Main Interface After Booting
Figure 7-2 Main interface after booting DESCRIPTION OF ICON FUNCTION Table 7-1 Description Description Icon Icon Configuration Left/Right arrow key Increase key Turntable information TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 134: Language Setting
Up/Down arrow key LANGUAGE SETTING Figure 7-3 CONFIGURATION interface 2. Select Language through , and press 1. Press on the main interface to enter to enter LANGUAGE interface. CONFIGURATION interface. © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 135: Test-Run Information
3s to complete the calibration (the icon before the selected option is switched from , indicating calibration succeeded, and the corresponding actual value will be changed). TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 136: Weight Calibration
7. If re-calibration is required, press to return to the TEST-RUN INFO interface, then re-enter the WEIGHT CALIBRATION interface, and repeat the previous step. © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 137: Advanced Setting
REXROTH CONTROL SYSTEM ADVANCED SETTING Personnel who have not been professionally trained and authorized by Sinoboom are not allowed to modify the advanced setting (including sensor configuration, turntable enable, standardization, proportional configuration, parameter restore/save and reserved setting); otherwise they will be responsible for the consequences.
Page 138: Standardization
KCS standard ( ) will be displayed in the upper right corner of the main interface. • In D/B mode, driving function and boom actions can be performed at the same time. © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 139: Proportional Configuration
Minimum current: refers to the starting current of actions, which affects the starting and inching performance of actions. The minimum current should be set to a value that allow the action to just TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 140 TB Lift Up Inspect (Up) Condition of fully raising: up limit switch is triggered or the articulated boom is positioned at an angle bigger than the set value. © Mar 2022 7-10 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 141: Parameter Restore/Save
Notes: All parameters can be adjusted within 0~100. Parameter restore/save 1. On the ADVANCED SETTING interface, select Parameter Restore/Save through , and press to enter PARAMETER RESTORE/SAVE interface. Figure 7-19 PARAMETER RESTORE/SAVE interface TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 7-11 © Mar 2022...
Page 142: System Information
• The configuration of sensors is subject to the actual machine configuration. Figure 7-20 SYSTEM INFO interface Figure 7-22 SENSOR INFO 1 © Mar 2022 7-12 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 143: Digital Input Information
Figure 7-26 OUTPUT INFO 1 interface the machine meets the requirements. • The configuration of switches is subject to the actual machine configuration. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 7-13 © Mar 2022...
Page 144: Proportional Information
EAT INFO interface, and the status indicator light will be on. At this time, it is necessary to contact the engine manufacturer for EAT. Figure 7-29 ENGINE INFO interface © Mar 2022 7-14 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 145 Standstill regeneration is requested, but Fast since the driver has ignored the request for a flashi- long time, the standstill regeneration can only be completed through the DEUTZ diagnostic tool. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 7-15 © Mar 2022...
Page 146 Regeneration function is being executed NCD is not working NCD indicator light (- Solid Yanmar only) NCD is working Regeneration prohibiting Conditions prohibiting active regeneration do indicator light (Yuchai only) not exist © Mar 2022 7-16 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 147: Turntable Panel Information
• The configuration of switches on the turntable panel is subject to the actual machine configuration. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 7-17 © Mar 2022...
Page 148: Alarm Information
Figure 7-40 FAULT INFO interface 1 Figure 7-38 JOYSTICK INFO interface 3. Press successively to return to the main interface, and power off the machine as required. © Mar 2022 7-18 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 149 Maintenance Manual (if the machine is equipped with any lithium battery). 5. Press successively to return to the main interface, and power off the machine as required. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 7-19 © Mar 2022...
Page 150 REXROTH CONTROL SYSTEM This Page Intentionally Left Blank © Mar 2022 7-20 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 151 3. Record the inspection results. If any inspection results are "NO", the machine must be stopped and re- inspected after repair is completed and marked in the box marked "inspection". TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 152 REXROTH CONTROL SYSTEM This Page Intentionally Left Blank © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 153 B-2 Inspect Rim, Tire and Fasteners B-3 Inspect Hydraulic Oil B-4 Inspect Electrical Wiring B-5 Inspect Emergency Lowering B-6 Inspect Air Filter of Hydraulic Tank B-7 Replace High-pressure Filter Element TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 154 NO/Machine Has Problem Machine Has Items in Good Damage or Description Been Repaired Condition Malfunction D-1 Replace Drive Reducer Gear Oil D-2 Replace Slewing Reducer Gear Oil D-3 Replace Hydraulic Oil © Mar 2022 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
Page 155 4. Record the inspection results. If any inspection item is marked as "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. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Mar 2022...
Page 156 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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