twin busch TW 250 Installation, Operation And Maintenance Manual
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twin busch TW 250 Installation, Operation And Maintenance Manual

2-post-lift tw 250 heavy-line
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  • Page 2: Table Of Contents

    Manual of the 2-post lift TW250 Table of contents General ............................. 1 Identification of the instructions for use ..................... 1 Technical data ........................... 1 Modification of the product ....................... 2 Safety-related information......................... 2 5.1 Safety instructions ............................ 2 5.2 Safety equipment ............................3 5.3 Monitoring and testing the safety equipment ..................
  • Page 3 Manual of the 2-post lift TW250 13.4 Hydraulic system............................. 29 13.5 Circuit diagrams ............................. 30 13.6 Switch box............................... 33 13.7 Detailed drawing and parts description of the lift .................. 34 13.8 Spare parts list ............................42 Further attachment: EU Declaration of Conformity ⋅...
  • Page 4 Manual of the 2-post lift TW250 Important Information: ASSEMBLY You can find the assembly video for this lift on YouTube: www.youtube.com/watch?v=F6oG124oaaQ&t or scan the QR code. PRODUCT PRESENTATION You can find the product presentation video for this lift on YouTube: www.youtube.com/watch?v=J4veEM4PD8A or scan the QR code.
  • Page 5 Busch product, from fine adjustment to maintenance and component replacement. The 24/7 Self-Service Centre is a versatile tool that helps you learn how to service and repair your Twin Busch lift, tyre changer or balancer yourself. To open the page on your mobile device, please visit twinbusch.com/qr...

  • Page 6: General

    Thanks to its wide clearance widths, it is also perfect for lifting wide vehicles with bodies, such as motorhomes and caravans, vehicles with sales bodies or ambulances. We recommend the TW 250 for lifting and working on very high vehicles, such as motorhomes with alcove. The Profi-Line model series meets the high...

  • Page 7: Modification Of The Product

    Improper use also invalidates the CE certification and the validity of the certificate. If you wish to make any changes, please contact your dealer or the expert staff at Twin Busch GmbH beforehand (see: 2. Identification of the instructions for use) Safety-related information Read the operating instructions carefully before operating the lift.

  • Page 8: Safety Equipment

    Manual of the 2-post lift TW250 ⋅ If you do not use the lift for a longer period of time: a.) Disconnect the lift from the power source. b.) Empty the oil tank. c.) Lubricate the moving parts with hydraulic oil. Caution: To protect the environment, dispose of the unused oil in an appropriate manner.

  • Page 9: Warnings And Symbols

    Manual of the 2-post lift TW250 5.4 Warnings and symbols All warnings are clearly visible on the lift to ensure that the user operates the device in a safe and appropriate manner. The warning signs must be kept clean and replaced if they are damaged or missing. Read instructions and safety instructions carefully before use! Instructions before use The lift may only be...

  • Page 10: Load Distribution

    Centre of gravity 6. Conformity with the product The TW 250 2-post lift is CE-certified and complies with the Machinery Directive 2006/42/EC, the standard for low voltage 2014/35/EU and fulfils the standards Lifting platforms EN 1493:2022, Safety of machinery EN 60204- 1:2018 (see under: EU Declaration of Conformity, at the end of the instructions for use).

  • Page 11: Assembly Of The Lifting Platform

    Manual of the 2-post lift TW250 8. Assembly of the lifting platform 8.1 Before installation 8.1.1 Tools and equipment required ⋅ Suitable lifting tool for bulky and heavy components ⋅ Hammer, pliers ⋅ Phillips and slotted screwdriver ⋅ Set of Allen keys ⋅...
  • Page 12 Manual of the 2-post lift TW250 3) After you have removed the first column, place a support under the other column. Then remove the screws from the transport rack. 4) Set up both columns. Align the main and secondary pillars with each other (outer edge of base plate to outer edge of base plate approx.
  • Page 13 Manual of the 2-post lift TW250 7) Fit the safety catches, the four electromagnets and the corresponding covers. Safety catches Electromagnet on the outer surface of the column Cover Fit the control unit or control box to the main pillar. Page | 8 Misprints, errors and changes excepted.
  • Page 14 Manual of the 2-post lift TW250 8) Fit the safety catches, the four electromagnets and the corresponding covers. Electromagnet Y-cable (short) Switch box Y-cable (long) Plug connector (B) Plug connector (B) Plug connector (Installed under the drive-over plate Next to the hydraulic line) Figure: Electromagnet release connections Page | 9 Misprints, errors and changes excepted.
  • Page 15 Manual of the 2-post lift TW250 9) Mounting the motor unit a) Make sure that all hose ends are clean and free of dirt. b) Connect the hydraulic lines as shown in the following illustration or in the hydraulic circuit diagram. c) Fit the steel cable to secure the pressurised hydraulic hose so that it is not thrown around uncontrollably.
  • Page 16 Manual of the 2-post lift TW250 Steel cable for securing Motor unit Hydraulic Hydraulic cylinder cylinder Line 2 Hydraulic Hydraulic Hydraulic management management management connection connection connection Line 1 10) After installing the safety catches, connect the carriages to the steel cable. a) Align the slides on both sides of the column approx.
  • Page 17 Manual of the 2-post lift TW250 Caution: After adjusting the steel cable tension, the adjusting nuts on both sides of the column must be locked with another nut! 11) After installing the safety catches, connect the slides to the steel cable. Figure: Connecting the power supply to the control unit 12) Fit the limit switch at the top end of the main column as shown in the following illustration.
  • Page 18 Manual of the 2-post lift TW250 13) Fit the drain coil and connect the plug connection C (plug) in the switch box. 14) Fit the protective covers for the hydraulic lines from bottom to top. It is important to ensure that the narrow opening points upwards.
  • Page 19 Manual of the 2-post lift TW250 15) Fitting the support arms a) Insert the support arms into the lifting carriages, paying attention to the interlocking of the anti- rotation blocks. b) Insert the support arm bolts into the holes provided, as shown in the following illustration. Short support arms Long support arms Figure: Mounting the support arms on the lifting carriage...
  • Page 20 Manual of the 2-post lift TW250 16) Filling the hydraulic system The hydraulic oil tank has a capacity of approx. 10 litres. To ensure that the lift functions correctly, you should fill the oil tank to 80 % with hydraulic oil type: HLP 32. 17) Test run a) Follow the procedure in the 9.
  • Page 21 Manual of the 2-post lift TW250 19) Fitting the drive-over plate Column Drive-over plate Column 20) Fit the motor cover 21) Checkpoints according to the structure Check Are the columns vertical to the floor? (90°) Are the two columns parallel to each other? Is the oil hose connected correctly? Is the steel cable correctly and firmly connected? Are all support arms correctly and firmly fitted?

  • Page 22: Operating Instructions

    Manual of the 2-post lift TW250 9. Operating instructions 9.1 Safety precautions - If the safety devices are defective or show abnormalities, the lift must not be put into operation under any circumstances! - Check that all connections of the hydraulic lines are tight and functional. If there are no leaks, the lifting process can be started.

  • Page 23: Flow Chart Of The Control Unit (Control Box)

    Manual of the 2-post lift TW250 9.3 Flow chart of the control unit (control box) Lifting process Lowering process Start Start Switch on the power Switch on the power Press the UP button (push-button) Press the Press the DOWN DOWN button and Anti lift (push-button) Motor drives the gear pump...

  • Page 24: Lifting And Lowering Process

    Manual of the 2-post lift TW250 9.4 Lifting and lowering process Lifting process: 1. Read and understand the operating instructions before starting work. 2. Connect the power supply and switch the main switch to ON. 3. Park the vehicle with its centre of gravity in the middle between the two pillars. 4.

  • Page 25: Emergency Drain In The Event Of A Power Failure

    Manual of the 2-post lift TW250 9.5 Emergency drain in the event of a power failure 1. When the lifting carriage is NOT engaged. a) Pull all electromagnets simultaneously to the outside of the two columns to open the safety catches.
  • Page 26 Manual of the 2-post lift TW250 2. With the lifting carriage engaged a) Unscrew the sealing plug to be able to connect the manual hydraulic pump (not included in the scope of delivery). Motor Hydraulic connection Sealing plugs (hydraulic connection) Oil tank Figure: Sealing plug Actuate the hand lever of the hydraulic pump to supply the cylinder with oil and release the lock.

  • Page 27: Troubleshooting And Rectification

    10. Troubleshooting and rectification Please note: Do not hesitate to contact the expert staff at Twin Busch GmbH if you are unable to rectify a fault yourself. We will be happy to help you solve the problem. In this case, please document the fault and send us pictures and a precise description of the fault so that we can identify and rectify the cause as quickly as possible.

  • Page 28: Maintenance

    Manual of the 2-post lift TW250 11. Maintenance Regular maintenance of your lift will ensure a long and safe service life. Suggestions for maintenance intervals and the activities to be carried out are listed below. How often you service your lift depends on the ambient conditions, the degree of soiling and, of course, the stress and load on the lift.

  • Page 29: Annual Inspection Of The Parts

    If the lift malfunctions, simple faults may be the cause. Use the following list for troubleshooting *). If the cause of the fault is not listed or cannot be found, please contact the expert Twin Busch GmbH team. Never attempt to carry out repairs yourself, especially on safety equipment or electrical system components.

  • Page 30: Appendix

    Manual of the 2-post lift TW250 13. Appendix 13.1 Dimensions of the lift Page | 25 Misprints, errors and changes excepted.

  • Page 31: Requirements Of The Foundation

    Manual of the 2-post lift TW250 13.2 Requirements of the foundation Requirements for the concrete: - Concrete C20/25 according to DIN 1045-2 (previous designation: DIN 1045 concrete B25). - Floor must be level and have a flatness of less than 5 mm/m. - Newly poured concrete must cure for at least 28 days.
  • Page 32 Manual of the 2-post lift TW250 The following must be observed for soil exposed to frost: In the case of frost exposure, the concrete must correspond to exposure class XF4, as dripping de-icing agent cannot be ruled out. This results in the following minimum requirements for concrete under frost stress: Exposure class: Maximum w/c: 0,45...

  • Page 33: Diagram For Floor Fastening / Foundation Plan

    Manual of the 2-post lift TW250 13.3 Diagram for floor fastening / foundation plan befestigen drill clean hammer fortify Page | 28 Misprints, errors and changes excepted.

  • Page 34: Hydraulic System

    Manual of the 2-post lift TW250 13.4 Hydraulic system 1. Master cylinder 2. Secondary cylinder 3. Electromagnetic drain valve 4. Throttle valve 5. Motor 6. Clutch 7. Gear pump 8. Non-return valve (one-way valve) 9. Pressure relief valve (max.: 19.4 Mpa) 10.

  • Page 35: Circuit Diagrams

    Manual of the 2-post lift TW250 13.5 Circuit diagrams Page | 30 Misprints, errors and changes excepted.
  • Page 36 Manual of the 2-post lift TW250 Page | 31 Misprints, errors and changes excepted.
  • Page 37 Manual of the 2-post lift TW250 Page | 32 Misprints, errors and changes excepted.

  • Page 38: Switch Box

    Manual of the 2-post lift TW250 13.6 Switch box Page | 33 Misprints, errors and changes excepted.

  • Page 39: Detailed Drawing And Parts Description Of The Lift

    Manual of the 2-post lift TW250 13.7 Detailed drawing and parts description of the lift E-HEB No. Name Specification Feature Qty. Steel cable L=9330mm Assembly E-HEB0020 M16 hexagon nut Standard E-HEB0516 M16*223 Anchor bolt Standard Page | 34 Misprints, errors and changes excepted.
  • Page 40 Manual of the 2-post lift TW250 E-HEB No. Name Specification Qty. Feature E-HEB0172 Motor/hydraulic unit Assembly E-HEB0099 Oil line L=500mm Assembly E-HEB0064 Hydraulic contra-angle Assembly E-HEB0100 Oil line L=2250mm Assembly E-HEB0066 Cylinder connection (banjo) Assembly Sealing ring Standard E-HEB0066 Cylinder connection (banjo) Assembly E-HEB0120 Hydraulic cylinder (2-hole)
  • Page 41 Manual of the 2-post lift TW250 E-HEB No. Name Specification Qty. Feature E-HEB0013 Safety catch 8224E-A1-B2 Galvanised E-HEB0013-3 Screw to holder M6*16 GB/T818-2000 Standard M6*10 (cross recess) GB/T818-2000 Standard E-HEB0014 Electromagnet MQZ2-10 8224E-A1-B4 Assembly Ø20 Cable entry ring 8224E-A1-B6 Rubber E-HEB0034 Electromagnet cover 8224E-A1-B5...
  • Page 42 Manual of the 2-post lift TW250 Page | 37 Misprints, errors and changes excepted.
  • Page 43 Manual of the 2-post lift TW250 E-HEB No. Name Specification Qty. Feature Snap ring Standard E-HEB0380 Idler pulley (bottom) galvanised E-HEB0080 Lifting carriage guide FL-8224-A3-B6 Nylon E-HEB0538 Unlocking rod Tooth piece galvanised E-HEB0539 Pressure spring unlocking rod FL-8224-A3-B5 galvanised E-HEB0057 Tooth piece support arm locking FL-8224-A3-B6 galvanised...
  • Page 44 Manual of the 2-post lift TW250 E-HEB No. Name Specification Qty. Feature E-HEB0008 Solenoid coil for drain valve DC/24V Standard E-HEB0326 Lowering speed valve Standard E-HEB0090 Hydraulic pump block Standard E-HEB0134-2 Oil suction pipe Plastic E-HEB0012 Oil filter Standard E-HEB0149 Oil tank (round) Plastic E-HEB0127-3...
  • Page 45 Manual of the 2-post lift TW250 Page | 40 Misprints, errors and changes excepted.
  • Page 46 Manual of the 2-post lift TW250 E-HEB No. Name Specification Qty. Feature Enquiry Cover plate 6255E-A1-B3-C1 Assembly TW SAK Threaded hooks/nuts (set) 8224-A13 Standard (screws) E-HEB0038 Column protection cover (2700x180) Fabric E-HEB0380 Idler pulley (top) galvanised E-HEB0052 Mounting rubber D14cm Rubber E-HEB0040 Turntable with double thread...

  • Page 47: Spare Parts List

    Manual of the 2-post lift TW250 13.8 Spare parts list E-HEB No. Name Specification Qty. Picture LW26GS- E-HEB0002 Main switch 20/04 E-HEB0071-1 Pushbutton UP Y090-11BN E-HEB0071-3 Pushbutton Lock Y090-11BN E-HEB0071-1 Pushbutton Down Y090-11BN E-HEB0071-1 Pushbutton Antilift Y090-11BN AD17-22G- E-HEB0011 Mains indicator light AC24 BK-160VA / E-HEB0073-4...
  • Page 48 Manual of the 2-post lift TW250 E-HEB No. Name Specification Qty. Picture Bridge rectifier with KBPC5A-35A E-HEB0043 capacitor 4700UF/50A Switching relay E-HEB0004-AC8 LY2NJ/AC24, red LED, LY2NJ/AC24V 8-pin Relay base for E-HEB0005-8 PTF-08A switching relay ST6PA- E-HEB0006 Time relay 5S/AC24V E-HEB0006a Socket for timing relay PYF-08AE Built-in socket outlet...
  • Page 49 Conversions and major repairs Kind Date / Name...
  • Page 50 Notas:...

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