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Summary of Contents for Sinoboom TB24E Plus
- Page 1 Maintenance Part No.514004110002 Rev: A Manual Oct 2021 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 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 1400400100 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.
- Page 8 This Page Intentionally Left Blank...
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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 © Oct 2021... - Page 10 Chassis and Turntable Components . . 6-6 Tires and Rims..... . 6-6 © Oct 2021 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
- Page 11 Electrical Schematic ....6-28 Appendix 1: Prepare the Work Record before Delivery..A-1 Appendix 2：Repair & Inspection Report ......A-3 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Oct 2021...
- Page 12 © Oct 2021 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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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 © Oct 2021... - Page 14 This Page Intentionally Left Blank © Oct 2021 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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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 © Oct 2021... -
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) © Oct 2021 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 © Oct 2021...
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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, © Oct 2021 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.
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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. © Oct 2021 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 © Oct 2021... -
Page 22: Crush Hazards
• Limit the speed of travel according to ground conditions, crowding, gradients, the presence and location of personnel and any © Oct 2021 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 © Oct 2021... -
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. © Oct 2021 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 © Oct 2021...
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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. © Oct 2021 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 © Oct 2021...
- Page 28 SAFETY This Page Intentionally Left Blank © Oct 2021 1-14 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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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 © Oct 2021... - Page 30 Table 2-2 TB26EJ Plus specifications TB26EJ Plus (METRIC) TB860EJ Plus (IMPERIAL) MEASURE 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) © Oct 2021 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 © Oct 2021...
- Page 32 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 © Oct 2021 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 © Oct 2021...
- Page 34 661 lb (2 people & tools) (unrestricted) Turntable rotation / continuous 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° © Oct 2021 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
- Page 35 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 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Oct 2021...
- Page 36 Rated platform capcity represents the rated load of the platform, including the loads of persons, materials, tools, platform accessories and other objects borne by the platform. TB24E Plus range of motion (5°) 300kg (661lb) 454kg (1000lb) © Oct 2021 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
- Page 37 SPECIFICATIONS TB26EJ Plus range of motion (5°) 300kg (661lb) 454kg (1000lb) TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Oct 2021...
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Page 38: Motor Specifications
TB28EJ Plus range of motion (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 © Oct 2021 2-10 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual... -
Page 39: Function Speed
50–60℃. If the hydraulic oil temerature is too low, the test results will be affected. Table 2-8 Component Metric (kg) Imperial (lb) Chassis assembly 6730 14837 Turntable assembly 7505 16546 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 2-11 © Oct 2021... - 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 machines of different options selected. © Oct 2021 2-12 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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Page 41: Hydraulc 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 © Oct 2021... -
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 © Oct 2021 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 © Oct 2021...
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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 © Oct 2021 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 © Oct 2021...
- 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 © Oct 2021 2-18 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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Page 47: System Descriptions
The machine functions are controlled by two controllers, one installed on the left side of turntable to control the turnable rotation and boom functions, the other on the platform to control the machine drive, TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Oct 2021... - Page 48 SYSTEM DESCRIPTIONS This Page Intentionally Left Blank © Oct 2021 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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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. © Oct 2021 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 © Oct 2021... -
Page 52: Cleanliness
• The static and dynamic load tests of the machine suggest a compliance with the relevant standard. © Oct 2021 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 © Oct 2021... -
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. © Oct 2021 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 © Oct 2021... -
Page 56: Following Amaintenance Schedule
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 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 Drive Speed B-9 Inspect Length and Angle Sensors B-10 Inspect Tilt Protection TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Oct 2021...
- Page 58 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 Inpsect Boom Wear Pads User Inspector Signature © Oct 2021 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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Page 59: Checklist Aprocedures
Performing daily inspection of the hydraulic oil level will help you determine if a problem exists in the hydraulic system. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Oct 2021... -
Page 60: Inspect Hydraulic Leakage
For the specific procedure for fuction tests, please reference the Pre-operation Function Test section in Operation Manual. Before performing the function test, ensure that the safety rules in the operation manual are fully read and understood. © Oct 2021 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual... - Page 61 MAINTENANCE PROCEDURES Figure 5-2 Ground Controller TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Oct 2021...
- 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 © Oct 2021 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
- Page 63 8. Platform rotate switch 18. Steer direction 9. Not used 19. Drive/steer control handle 29. Horn button 10. Jib up/down switch-TB26EJ 20. Drive direction 30. Buzzer button Plus&28EJ Plus only TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Oct 2021...
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Page 64: Perform Maintenance After
6. Clean the filter housing and install the new element, components. Replace the return filter more frequently then re-install the return filter. in harsh environments. 7. Clean the oil that may spill during the procedure. © Oct 2021 5-10 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual... -
Page 65: Fasteners
3. Check each adjustable joint for loose connection of the new machine. and ensure the sensor wiring is free of damage. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 5-11 © Oct 2021... -
Page 66: Inspect Emergency Lowering
Bodily contact with hot hydraulic oil continued operation may result in component damage. may result in severe burn. The air filter of hydraulic tank should be inspected more often in hostile operating environment. © Oct 2021 5-12 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual... -
Page 67: Test Drive Speed
3. Move the drive high/low speed select switch on the platform controller to select the drive high speed. 4. The test results should be as shown in the table below: TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 5-13 © Oct 2021... -
Page 68: Inspect Tilt Protection
3. The tilt alarm sounds and the chassis tilt indicator TB26EJ Plus：when the boom extends to the light flashes, no function is restricted. farthest(the ground display reads 18.65m of boom length), the buzzers at the ground and © Oct 2021 5-14 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual... -
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 © Oct 2021... -
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 © Oct 2021 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 © Oct 2021... -
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 © Oct 2021 5-18 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual... -
Page 73: Test Oscillate Outriggers
The instructions below are applied only for batteries requiring maintenance： 4. Wear goggles, gloves and protective clothing. 5. Remove the ventilation cover. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 5-19 © Oct 2021... -
Page 74: Checklist Cprocedures
Shut off the machine before inspection. pulley and track are adequately lubricated. 1. Remove the boom end cover. © Oct 2021 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 © Oct 2021... -
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. © Oct 2021 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 5-10 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 © Oct 2021...
- 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. © Oct 2021 5-24 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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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 © Oct 2021... -
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. © Oct 2021 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 © Oct 2021... -
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). © Oct 2021 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. section position dimensions fall within the This is shown in Fig 6-10 , page 6- tolerances in the figure below. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Oct 2021... -
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. © Oct 2021 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 © Oct 2021... - 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 © Oct 2021 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 © Oct 2021...
- Page 88 Apply threadlocker Loctite 272 to the bolt with washer on, install the bolt and tighten. Installation of slewing bearing © Oct 2021 6-10 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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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 © Oct 2021... -
Page 90: Hydraulic System
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. © Oct 2021 6-12 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual... - Page 91 6. Cycloid motor 10. Level counterbalance valve 3. Hydraulic tank 7. High-pressure filter 11. Platform duplex valve 4. Boom function manifold 8. Telescope counterbalance valve 12. Level counterbalance valve TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-13 © Oct 2021...
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Page 92: Function Manifold
Boom extend/retract control 47.4Nm (35ft-lb) Boom up/down control 8–2 Solenoid valve 36.7Nm (27ft-lb) Solenoid valve Platform level control 6–way Y-type 8Nm (6ft-lb) 10–1 Turntable rotate direction control gate valve © Oct 2021 6-14 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual... - Page 93 45–50Nm (33–37ft-lb) Oscillate circuit safety protection valve Figure 6-25 Oscillate counterbalance valve (PN.202040003032) Table 6-10 Oscillate counterbalance valve (PN.202040003032) NAME TORQUE FUNCTION Counterbalance 40～45Nm (30～33ft-lb) Keep the load balanced valve TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-15 © Oct 2021...
- Page 94 REPAIR PROCEDURES Figure 6-26 Slewing buffer valve (PN.202040003061) Table 6-11 Slewing buffer valve (PN.202040003061) TORQUE NAME FUNCTION Counterbalance 40～45Nm (30～33ft-lb) Keep the load balanced valve Shuttle valve Circuit switchover © Oct 2021 6-16 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
- Page 95 40～45Nm (30～33ft-lb) Jib boom lift direction and speed control 1–1 Solenoid valve 40～45Nm (30～33ft-lb) Platform rotate direction and speed control 1–2 Solenoid valve Damper 5Nm (9ft-lb) Damper 5Nm (9ft-lb) TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-17 © Oct 2021...
- Page 96 Keep the load balanced valve Counterbalance 41～47Nm (30～35ft-lb) Keep the load balanced valve 40Nm (29.5ft-lb) Keep the load balanced Solenoid valve 45–50Nm (33–37ft-lb) Boom telescope speed control Solenoid valve © Oct 2021 6-18 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
- Page 97 Check valve 32.5–35.3Nm Keep the load balanced solenoid valve (24–26ft-lb) 55–65Nm (41–48ft-lb) Overload protection Relief valve 44.9–50.3Nm Boom lift speed control Solenoid valve (33.1–37.1ft-lb) Compensator 40.6Nm (30ft-lb) Discharge pressure valve TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-19 © Oct 2021...
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Page 98: Hydraulic Symbols
28.5682 34.4087 solenoid directional 16.0000 28.5682 棕 兰 valve 16.0000 32.0000 黑 32.0000 28.5682 Pressure gradient 16.0000 28.5682 16.0000 control valve 17.4787 Check valve 46.7096 34.4087 32.0000 28.5682 16.0000 © Oct 2021 6-20 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual... -
Page 99: Hydraulic Schematic
REPAIR PROCEDURES Hydraulic Schematic Figure 6-30 Hydraulic schematic-TB24E Plus TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-21 © Oct 2021... - Page 100 REPAIR PROCEDURES Figure 6-31 Hydraulic schematic-TB26EJ Plus&28EJ Plus © Oct 2021 6-22 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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Page 101: 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 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-23 © Oct 2021... - Page 102 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 6-24 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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Page 103: 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 6-25 © Oct 2021 + Li... - Page 104 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 © Oct 2021 6-26 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
- Page 105 REPAIR PROCEDURES TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-27 © Oct 2021...
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Page 106: Electrical Schematic
IN_50 OUT_25 XJ2-13 XJ1-24 XJ2-6 XJ1-22 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 6-32 Electrical schematic of turntable-TB24E Plus © Oct 2021 6-28 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual... - Page 107 OUT_25 XJ2-13 XJ1-24 XJ2-6 XJ1-22 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 6-33 Electrical schematic of turntable-TB26EJ Plus&28EJ Plus TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual 6-29 © Oct 2021...
- Page 108 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 6-34 Electrical schematic of platform © Oct 2021 6-30 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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Page 109: Appendix 1: Prepare The Work Record Before Delivery
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 © Oct 2021... - Page 110 REPAIR PROCEDURES This Page Intentionally Left Blank © Oct 2021 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
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Page 111: Appendix 2：Repair & Inspection Report
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 © Oct 2021... - Page 112 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 D-4 Replace Hydraulic Tank Suction Filter © Oct 2021 TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual...
- Page 113 "inspection". Select the appropriate inspection procedure based on the inspection type. Select the appropriate inspection procedure based on the inspection type. TB24E Plus&26EJ Plus&26E Plus&28EJ Plus Maintenance Manual © Oct 2021...
- Page 114 Solution s Alw ays For B et t er A ccess Solution s Always for Better Access Solutions AS/N ZS Hunan Sinoboom Intelligent Equipment Co., Ltd. 长沙市宁乡高新技术产业园区金洲大道东 128 号 No.128, East Jinzhou Avenue, Ningxiang High-tech Industrial Park, Changsha, Hunan, China 市宁乡高新技术产业园区金洲大道东...
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