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MAHA ECON III 3.0 Technical Handbook
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MAHA ECON III 3.0 Technical Handbook

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ECON III 3.0 / 3.5 / 4.0
Two Post Lift
Technical Handbook
TH362601-en

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Summary of Contents for MAHA ECON III 3.0

  • Page 1 ECON III 3.0 / 3.5 / 4.0 Two Post Lift Technical Handbook TH362601-en...
  • Page 2 The contents of this edition have been checked with great care. However, errors cannot be fully excluded. Subject to technical change without notice. OCUMENT Document №: TH362601-en Approval Date: 14.11.2008 ANUFACTURER MAHA Maschinenbau Haldenwang GmbH & Co. KG. Hoyen 20 87490 Haldenwang Germany Phone: +49 (0) 8374 585 0 Fax: +49 (0) 8374 585 499...

  • Page 3: Table Of Contents

    ONTENTS Specifications ......................5 ECON III 3.0 / 3.5 Standard ......................6 ECON III 4.0 Standard ........................8 ECON III 3.0 / 3.5 with Adapter Plate ..................10 ECON III 4.0 with Adapter Plate ....................12 ECON III 3.0 with Baseframe .......................14 Installation .......................16 Standard Delivery.........................16 2.1.1...
  • Page 4 3.2.3 Load Nut Failure ......................40 3.2.4 Floor Contact of Support Arms ..................42 3.2.5 Contact with an Obstruction during Lowering Cycles...........42 3.2.6 Motor Speed Error during Raising Cycles ..............42 3.2.7 Level Difference between Carriages ................43 3.2.8 Upper End Position.......................43 3.2.9 Bottom Position......................43 3.2.10 LED Display Unit......................43 Upper and Lower Proximity Switches ..................46...

  • Page 5: Specifications

    This Technical Handbook is to be used exclusively by trained service personnel. Regulations and guidelines in the Operating Manual listed under section "Safety" apply in all cases! Specifications Specifications are subject to change without notice. See following pages. TH362601-en...

  • Page 6: Econ Iii 3.0 / 3.5 Standard

    ECON III 3.0 / 3.5 Standard TH362601-en...
  • Page 7 ECON III 3.0 Standard ECON III 3.5 Standard Height overall HG 4490 mm Floor to overhead guide HL 4450 mm Column height HS 2890 mm Full travel HW 1880 mm Lifting height max. HO 2000 mm Lifting height min. HU...

  • Page 8: Econ Iii 4.0 Standard

    ECON III 4.0 Standard TH362601-en...
  • Page 9 ECON III 4.0 Standard Height overall HG 4740 mm Floor to overhead guide HL 4700 mm Column height HS 3139 mm Full travel HW 1880 mm Lifting height max. HO 2000 mm Lifting height min. HU 115 mm Disk adjustment range HT 85…120 mm Support arm reach LT 660…1260 mm...

  • Page 10: Econ Iii 3.0 / 3.5 With Adapter Plate

    ECON III 3.0 / 3.5 with Adapter Plate TH362601-en...
  • Page 11 ECON III 3.0 ECON III 3.5 with Adapter Plate with Adapter Plate Height overall HG 4510 mm Floor to overhead guide HL 4470 mm Column height HS 2908 mm Full travel HW 1880 mm Lifting height max. HO 2010 mm 2020 mm Lifting height min.

  • Page 12: Econ Iii 4.0 With Adapter Plate

    ECON III 4.0 with Adapter Plate TH362601-en...
  • Page 13 ECON III 4.0 with Adapter Plate Height overall HG 4760 mm Floor to overhead guide HL 4720 mm Column height HS 3159 mm Full travel HW 1880 mm Lifting height max. HO 2010 mm Lifting height min. HU 135 mm Disk adjustment range HT 105…140 mm Support arm reach LT...

  • Page 14: Econ Iii 3.0 With Baseframe

    ECON III 3.0 with Baseframe TH362601-en...
  • Page 15 ECON III 3.0 with Baseframe Height overall HG 4530 mm Floor to overhead guide HL 4450 mm Baseframe drive-over height HÜF 46 mm Column height HS 2928 mm Full travel HW 1880 mm Lifting height max. HO 2030 mm Lifting height min. HU...

  • Page 16: Installation

    Installation Lift installation and commissioning only by manufacturer authorized service personnel. Standard Delivery 2.1.1 ECON III 3.0 • 2 columns with 1 control unit • 2 support arms, long • 2 support arms, short • Overhead cable guide (with overhead cable installation) or extended connecting cables (with inground cable installation) •...

  • Page 17: Econ Iii 3.0

    Foundation Thickness Proof of safe floor load capacity is the owner's responsibility. Always use the current foundation plans. Standard with Adapter Plate with Baseframe ECON III 3.0 175 mm 175 mm 130 mm ECON III 3.5 175 mm 175 mm ECON III 4.0...

  • Page 18: Positioning The Columns

    Positioning the Columns For details and dimensions see applicable data sheet. 1 Transport the lift to its final location and remove the packaging material. 2 Position the columns using the dimensions indicated in the applicable data sheet. Place the operating column (3) on the right side as seen from approach direction (2). The clearance between the columns can be determined e.g.

  • Page 19: Shimming The Baseplates

    Shimming the Baseplates After shimming the baseplates make sure the lift has a slight V shape (see also section "Aligning the Columns"). 2.6.1 Standard • Shim the baseplate close to the anchor points and along the column profile. With inground wiring, ensure that the cutout in each baseplate remains unobstructed.

  • Page 20: Aligning The Columns

    Aligning the Columns ECON III 3.0 ECON III 3.5 ECON III 4.0 Inside columns BL 2600 mm 2700 mm 2730 mm 1 Align the columns in a slightly V-shaped position (see also section "Shimming the Base- plates"). The clearance between the upper column ends should be 15 mm larger than the clearance between the lower column ends.

  • Page 21: Anchoring The Columns

    Anchoring the Columns 2.8.1 Anchor Installation Pos: 4 /Technische Dokumentation/MAHA/HBZ/Alle HBZ/TH/Inhalte/Inhalt: Info - Anleitung und Website MKT @ 10\mod_1222947744495_75.doc @ 248516 Detailed installation instructions come with the product. For further information go to the anchor manufacturer's website: http://www.mkt-duebel.de/mkt-home_eng.htm Pos: 5 /Technische Dokumentation/MAHA/HBZ/Alle HBZ/TH/Inhalte/Inhalt: Ankermontage (Bilder) MKT-VMZ @ 10\mod_1222932508527_0.doc @ 248220 Pos: 6 /Technische Dokumentation/MAHA/HBZ/Alle HBZ/TH/Inhalte/Inhalt: Ankermontage+Art.Nr.

  • Page 22: Anchor Dimensions

    Pos: 7 /Technische Dokumentation/MAHA/HBZ/Alle HBZ/TH/Überschriften/Überschrift 1.1.1: Ankermaße @ 8\mod_1206627501012_75.doc @ 178828 2.8.2 Anchor Dimensions Pos: 8 /Technische Dokumentation/MAHA/HBZ/Alle HBZ/TH/Inhalte/Inhalt: Ankermaße (Tabelle) MKT-VMZ @ 10\mod_1222937251011_75.doc @ 248412 VMZ-A 100 M12 145 M16 170 M20 Drill hole diameter [mm] Diameter of clearance hole in...

  • Page 23: Anchor Installation Mkt B12

    2.8.4 Anchor Installation MKT B12 Applies to ECON III 3.0 with baseframe only. Drill hole diameter 12 mm Depth of anchorage 65 mm Depth of drill hole 90 mm Installation torque 50 Nm 1 Drill a hole as per anchor manufacturer's recommendations.

  • Page 24: Electrical Connection

    Electrical Connection Remove the mains fuse before installing or servicing the electrical equipment. Do not carry out any changes on the prewired control system. 2.9.1 Overhead Cable Installation Run the power supply cords and air hoses through the channels provided inside the columns.

  • Page 25: Installing The Controller Board

    2.11 Installing the Controller Board Sensitive electronic components! Risk of damage! The controller board may be damaged or destroyed by electrostatic diskharge. Before installing the controller board assembly touch a grounded metal object. During installation hold the controller board on the edge and avoid contact with any components.

  • Page 26: Installing Strain Relief Clips

    2.12 Installing Strain Relief Clips 1 The strain relief clips at the cable exit from the column (A) and at the motor (B) are preinstalled at the factory. Check if they are present and complete them if necessary. 2 After connecting the cables install a strain relief clip (C) beneath the controller board.

  • Page 27: Connector Pin Assignment And Contactors

    2.13 Connector Pin Assignment and Contactors X1 Mains Connector Description Remarks X1.1 X1.2 X1.3 X1.4 X1.5 X2 Namur Switches, Operating Column Description Remarks X2.1 Lower Namur Switch – (Limit Switch) Blue X2.2 Lower Namur Switch + (Limit Switch) Brown X3 Namur Switches, Operating Column (X3 marked with white dot on controller board) Description Remarks X3.1...
  • Page 28 X5 Serial Interface Description Remarks X5.1 +5 V X5.2 TTL Level X5.3 TTL Level X5.4 X6 Motor Connector, Operating Column Description Remarks X6.1 X6.2 X6.3 X6.4 X7 Motor Connector, Second Column Description Remarks X7.1 X7.2 X7.3 X7.4 X8 Ceiling Light Barrier Description Remarks X8.1...

  • Page 29: Connecting The Power Supply Cord

    Motor Power Fuse (time delay) Rated Current in kW in A in A ECON III 3.0 2 x 2.4 ECON III 3.5 2 x 2.4 ECON III 4.0 2 x 3.0 The wire size must be selected depending on lift model and cord length.

  • Page 30: Installing The Cable Guide And The Motor Covers

    2.15 Installing the Cable Guide and the Motor Covers 1 Bend the vertical cable channels in such a way that the connecting links are on top. 2 Fasten the links using two self-tapping screws. 3 Install the cable channels to the columns (2x M6 oder M8). Fold the link (A) at the bottom end of the cable channel to the inside so that it rests on the stop pin (B).

  • Page 31: Installing The Support Arms

    4 Torque the fastening screws. The tightening torque depends on the type of screw used (see table). ECON III 3.0 ECON III 3.5 ECON III 4.0 M10x25 / 8.8 42 Nm...

  • Page 32: Installing The Door Protection Strips

    2.18 Installing the Door Protection Strips • Install the sponge rubber strips on the inner edges of the support arm gussets. Position the door protection strips as required by the vehicle type to be lifted. 2.19 Initial Operation When commissioning the lift check the motors for correct phase sequence. 2.19.1 Yellow LED flashing ⇒...

  • Page 33: Yellow Led Not Flashing

    2 Lower lift to bottom position. ⇒ All LEDs light up. Lift is ready for operation. 2.19.2 Yellow LED not flashing If the yellow LED is not flashing, push and hold the LOWER and RAISE buttons simultaneously for 10 seconds. Then proceed as explained under section "Yellow LED flashing".

  • Page 34: Commissioning Checklist

    2.20 Commissioning Checklist During commissioning once again thoroughly check the following items: • Shimming and alignment of lift with slight inclination to the outside • Electrical connection of lift • Potential equalization between the columns • Upper and lower proximity switches •...

  • Page 35: Service Information

    Service Information Controller Board 3.1.1 LED Display Unit LEDs VD1 (red) , VD2 (yellow) and VD3 (green) indicate operating states and errors. 3.1.2 Connector Pin Assignment See section "Installation / Connector Pin Assignment and Contactors". 3.1.3 Connector Types Connector Circuit Card Number of Poles Type of Contact Type of Opposite Connector...

  • Page 36: Serial Interface

    3.1.5 Serial Interface Interface with 5 V level, adapter required. Interface Settings Baud rate....38400 Baud Data bits ....8 Stop bit ....1 Parity ....none ECON Manager (KE Tool) Settings In menu <Options / Set File Paths and Names> make the settings for the MOT file (software update for control unit), and for the EEPROM texts.txt.

  • Page 37: Eeprom Variables

    3.1.6 EEPROM Variables № Description Default Not blank Pattern – Do not change! EEPROM version Position 1 [Digit] Position 2 [Digit] Check sum of positions (XOR) Maximum lifting height [Digit] 2236 Pinch point position [Digit] Control On-threshold [Digit] Control Off-threshold [Digit] 10 Maximum difference [Digit]...
  • Page 38 № Description Default 32 Flag for power failure during lowering [0/1] 35 Load nut failure counter 1 36 Load nut failure counter 2 37 Sluggish operation counter Up 1 38 Sluggish operation counter Up 2 39 Obstruction counter Down 1 40 Obstruction counter Down 2 41 Floor contact counter 1 42 Floor contact counter 2...

  • Page 39: Behavior Of Lift Control System

    Behavior of Lift Control System 3.2.1 Emergency-Down (previously "Trial Run") During the emergency-down watch both carriages and the vehicle contiuously. If the vehicle is in danger of getting off balance, stop the lift immediately. During the emergency-down the pulse generators will not be monitored. This means the following functions are disabled: •...

  • Page 40: Load Nut Failure

    Yellow LED not flashing • If the yellow LED is not flashing, push and hold the LOWER and RAISE buttons simultaneously for 10 seconds. Then proceed as explained under section "Yellow LED flashing". 3.2.3 Load Nut Failure Load nut failure is stored in the control system by setting the "load nut failure flag" and is indicated by the red LED lighting up and the yellow LED flashing at the same time.
  • Page 41 1 Raise or lower the lift until the inspection windows in the carriages line up with the windows in the screw drive covers. 2 Check the clearance between load nut (1) and safety nut (2). With an undamaged load nut, the clearance is 21…24 mm. With a broken load nut, the clearance and the red paint are no longer detectable.

  • Page 42: Floor Contact Of Support Arms

    3.2.4 Floor Contact of Support Arms Floor contact of support arms is detected by the lift control if the upper pulse generators transmit too few or no pulses at a lifting height of less than 30 mm. This status is detected and stored by the lift control and indicated by the yellow LED.

  • Page 43: Level Difference Between Carriages

    3.2.7 Level Difference between Carriages Level differences between the carriages (≥ 26 mm) are corrected automatically by the lift control. However, if the level difference exceeds 10 cm due to an error, the lift stops, the yellow LED flashes and the control is disabled. Lower the lift either manually or by performing an emergency-down.
  • Page 44 Signals during Regular Operation Indication Description Remarks Green LED lights up. Lift switched on, no errors. Audible signal while lowering, lift Lift has reached pinch point Release button, press again. stops. position. Lift is lowering and below pinch Audible signal while lowering. point position.
  • Page 45 Bootloader Signals Indication Description Remarks Start application using Windows Green and red LEDs light up. Control in bootloader. tool or by voltage cutoff. Green LED lights up, red LED Bootloader performing a software Wait until red LED stops flickers. update. flickering.

  • Page 46: Upper And Lower Proximity Switches

    Upper and Lower Proximity Switches 3.3.1 Adjusting the Upper Proximity Switches (Pulse Generators) The pulse generators are fastened to a holder under the motor plate by means of lock nuts. 1 Open the lock nuts (1.1). 2 Adjust the clearance between the pulse generators (1) and the teeth of the pulse generator wheel (2) to 1…1.2 mm.

  • Page 47: Adjusting The Lower Proximity Switches (Limit Switches)

    3.3.2 Adjusting the Lower Proximity Switches (Limit Switches) • The clearance between the upper edge of the limit switch and the upper edge of the mounting bracket must be set to 10 mm. Motor Plate To install the motor plate on the column use 4 fastening bows M8-8.8 and 8 hex nuts M8-8 DIN EN ISO 10511.

  • Page 48: Support Bearings For Lifting Screw

    Support Bearings for Lifting Screw 3.5.1 Upper Bearing Sensitive components! Risk of damage! Use caution when removing the flange bearing (item 8). The bearing may be easily damaged as it absorbs forces in one direction only. Hex Nut M24x2-8 Washer A25 DIN125 Ribbed Pulley (Large) Shim Ring 28x40x2 Shim Ring 30x42x2,5...

  • Page 49: Lower Bearing

    3.5.2 Lower Bearing Lifting Screw Hex Screw M6x20 Flange Bearing igubal EFOM Baseplate Item Description Installation Torque Hex Screw M6x20 Torque to 10.5 Nm. TH362601-en...

  • Page 50: Drive Motor

    Drive Motor Hex Screw M8x16-8.8 Hex Screw M8x30-8.8 Hex Nut M8-8 DIN EN ISO 10511 Hex Screw M8x35-8.8 Belt Tensioner (Long) Belt Tensioner (Short) Washer A8.4 DIN 7349 Ribbed Pulley (Small) Threaded Pin M5x8 DIN 914-45H Feather Key A8x7x50 Drive Motor Item Description Installation Torque Hex Screw M8x30-8.8...

  • Page 51: Manual Lowering

    Manual Lowering Authorized personnel only! Do not restart the lift before the error has been remedied. In case of motor defect or power failure the carriages can be lowered manually. The lift may only be lowered, not raised. 1 Open fastening screws (A) and (B) and remove motor covers from both columns.

  • Page 52: Aligning The Pulleys

    Aligning the Pulleys Make sure the pulleys of motor and lifting screw are in alignment. Misalignment exceeding ± 0.5 mm is not permissible. The motor pulley (A) is fastened using a setscrew (B). • Open the setscrew and adjust the motor pulley until it aligns with the lifting screw pulley.

  • Page 53: Checking The Load Nut For Wear

    3.9.1 Checking the Load Nut for Wear Once a year check the load nuts for wear. Shut down and lock the lift until the worn-out load nut has been replaced. 1 Raise or lower the lift until the inspection windows in the carriages line up with the windows in the screw drive covers.

  • Page 54: Greasing The Load Nut

    After servicing the carriage (e.g. load nut replacement) proceed as follows: 1 Raise the lift to upper end position. 2 Briefly unscrew the motor plate, centre it, fasten it again. 3 Lower the lift to bottom position. 4 Briefly unscrew the lower support bearing, fasten it again. 5 Recheck the clearance between check screw and safety nut.

  • Page 55: Greasing The Slide Tracks

    3.9.3 Greasing the Slide Tracks The slide tracks inside the columns should be greased every six months or more frequently if required. 1 Fully lower the lift. 2 Open fastening screws (A) and (B) and remove motor covers from both columns. 3 Open upper fastening screws (C) of screw drive cover and remove cover.

  • Page 56: Greasing The Arm Extensions

    3.9.4 Greasing the Arm Extensions 1 Every six months check the support arm extensions for smooth operation. 2 Grease as required. 3.9.5 Greasing the Disk Adapter Threads 1 Every six months check the threads of the disk adapters for smooth operation. 2 Grease as required.
  • Page 57 Arm Restraints 1 Periodically check the restraint pin (A) for smooth and secure engagement. 2 If required, slightly grease the contact points of the gear segments (B). Ribbed V-Belts Once a year check the ribbed V-belts for wear, soiling and correct tension. Worn-out belts have to be replaced.
  • Page 58 Adjusting the Belt Tension 1 Open fastening screws (A) and (B) and remove motor covers from both columns. Do not remove the mounting brackets (C) of the motor covers! 2 Slightly open the fastening screws (D) of the motor. 3 Slightly open the fastening screw (E) of the tensioning device. 4 Tension the belt using the tensioning screw and nut (F).

  • Page 59: Checking The Lift Stability

    1 Every six months check the nuts of all anchor bolts for correct installation torque T using a inst torque wrench. 2 Retighten the nuts as required. Standard with Adapter Plate with Baseframe ECON III 3.0 60 Nm 40 Nm 50 Nm ECON III 3.5 60 Nm 40 Nm ECON III 4.0...

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