Page 2
WSG - SF.4- ..WSG - SF.S- ..date: 28. Jan 2020 version: 0.16 WITTUR Electric Drives GmbH reserves the right to correct or change the contents of this manual and these product details without prior notice. We expressly reserve the right to make technical changes which improve the lift machines or their safety standards without prior notice.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Contents 1. General information 10. Dimension drawing 1.1. About this operating manual 11. Accessories 1.2. Intended use 1.3. Scope of delivery 11.1. Connecting cable for measuring systems for ECN 1313/ ERN 1387 1.4.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: General information 1.1. About this operating manual The purpose of this operating manual is to ensure that any work on WSG-SF lift machines is carried out safely. Please regard it as part of the product and keep it within easy reach.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Safety 2.1. General safety instructions 2.1.1. Qualified personnel Only qualified personnel are authorised to perform any planning, installation or maintenance work, and this must be done in accordance with the relevant instructions.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Handling 4.1. Transport and storage • Climate class: 2K3 according EN 60721 • Transport temperature: -20°C bis +60°C, max. 20 K/hour fluctuated • Transport air humidity: max. relative humidity 85 % at 20°C (no moisture condensation) •...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Product overview 5.1. Product description The compact gearless WSG-SF synchronous lift machines are designed for traction sheave lifts. They are distinguished by their high efficiency, extremely low noise and excellent operating characteristics. The machines can be supplied for several rated speeds, which can be further adapted to meet individual cus tomer requirements.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 5.2. Permissible ambient conditions • Ambient temperature: -5°C to +40°C • Air humidity: max. relative humidity: 85% at 20°C (no moisture condensation) • Install the machine so that ventilation is not obstruct , ed, i.e. sufficient heat dissipation by convection and radiation must be ensured.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 5.3.2. Motor connection / Winding protection • The electrical connection of the motor and the winding sensors is made by power connector or in the terminal box. •...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 5.3.3. Speed/Position measuring system • The basic version of the lift machines is equipped with an sendix 8.5873 SineCosine encoder from Kübler GmbH. The encoder is connected by cable (length: 10m) with open wire ends (no plug). •...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 5.3.4. Brake • Please refer also to the operating instructions for the brake on pages 62. • The brakes are supplied with DC voltage by the overexcitation rectifiers, which are supplied separately or in the terminal box.
Page 13
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Connection of the brakes The brake coils, the brake control units and the monitoring contacts are connected to the mains in the motor terminal box. The electrical connection of the brake made by two 4-pole power connector mounted on the brake.
Page 14
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Circuitry suggestion for brake control Subject to changes without notice ! Änderungen vorbehalten !
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 5.4. Rope guard f All work on the rope guard may only be carried out when the system is at a standstill. WARNING • The lift machine is fitted with a rope guard on the left and right (1, 2). A third rope guard (3) is available on request.
Page 16
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Fastening rope guards Rope guard Information f Fastening the rope guard with a screw (1) M 8 and washer Rigid rope guard Tightening torque M 8-8.8: 23 Nm Subject to changes without notice ! Änderungen vorbehalten !
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Installation 6.1. Mechanical installation Setting up f Be sure to use calculations to check the base frame or foundation loads before installing the lift machine. f The lift machines must be installed by trained and qualified personnel with professional knowledge of mechanical engineering and lift construction.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 6.2. Electrical installations f The electrical installation may only be carried out by trained and qualified personnel with professional knowledge of electrical engineering. DANGER • Before starting any work on the machines, ensure that the lift machine or system is properly isolated. Unit power-off. Lock out and tag out.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Commissioning and operating 7.1. Important notes f The commissioning may only be carried out by trained and qualified personnel with professional knowledge of electrical engineering and lift construction. f Check that all live connection points are safe against accidental contact.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 7.2. Emergency evacuation f All actions for evacuation in case of emergency have to be done by qualified service personnel. f When attempting an evacuation, the car may not move even when the brakes are released, as a result of load compensation between the car and the counterweight.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 7.3. Testing the brake system to EN 81 f The brake system should be tested with the car about halfway down the shaft. If any motor short-circuit connections have been made, these should be deactivated so that the brake effect can be tested independently.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 7.4. Trouble shooting Fault Possible cause Remedy Motor does not start, operates out of Motor not connected in proper phase Connect motor correctly control or develops no torque sequence Measuring system not properly connected Connect measuring system correctly Inverter parametrisation incorrect...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Maintenance 8.1. General • The regulations concerning operation, maintenance and inspection pursuant to the applicable safety regula tions for lift construction such as DIN EN 81-20, DIN EN 81-50, LD 2014/33/EU and other relevant regulations are to be strictly observed.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 8.3. Regreasing the bearings • The anti-friction bearings have been provided with a grease filling at the factory that is sufficient for the planned service life of the machine. Under normal operating conditions, regreasing is not required or recom mended. 8.4.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 8.5. Replacing the traction sheave f The traction sheave can work loose if it is not properly installed. DANGER Necessary tools • Hoisting equipment • Torque wrench (M 8) •...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 8.6. Replacing the measuring system Necessary tools • Torque wrench (1 ... 5 Nm) with Allen key size 2 and 4 mm • Allen wrench size 8 mm f Valid for ECN 1313 and ERN 1387 (Heidenhain).
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: 11.3. Brake manual release The brake can be fitted with a manual brake releasing device on customer request. This must be specified when ordering the machine. You can implement manual brake release in two variants: 1.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Installation f Lock the car and the counterweight and ensure that all of the necessary safety precautions are observed for the lift system. The lift may move in an uncontrolled manner. f Ideally, the manual releasing device should be installed without the ropes in place.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: EU type-examination certificate EU-BD 1056 (WSG-SF.2/3) Subject to changes without notice ! Änderungen vorbehalten !
Page 49
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Annex to the EC Type-Examination Certificate No. EU-BD 1056 of 2017-09-11 Scope of application Use as braking device – part of the the protection device against overspeed for the car mov- ing in upwards direction –...
Page 50
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Annex to the EC Type-Examination Certificate No. EU-BD 1056 of 2017-09-11 Conditions Above mentioned safety component represents only a part at the protection device against over- speed for the car moving in upwards direction and unintended car movement.
Page 51
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Enclosure to the EU Type-Examination Certificate No. EU-BD 1056 of 2017-09-11 Authorised Manufacturer of Serial Production – Production Sites (valid from: 2017-07-27): Company INTORQ GmbH & Co. KG Address Wülmser Weg 5 31855 Aerzen –...
Page 52
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Subject to changes without notice ! Änderungen vorbehalten !
Page 53
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Subject to changes without notice ! Änderungen vorbehalten !
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: EU type-examination certificate EU-BD 1034 (WSG-SF.3/4) Subject to changes without notice ! Änderungen vorbehalten !
Page 55
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Annex to the EC Type-Examination Certificate No. EU-BD 1034 of 2017-09-11 Scope of application Use as braking device – part of the the protection device against overspeed for the car mov- ing in upwards direction –...
Page 56
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Annex to the EC Type-Examination Certificate No. EU-BD 1034 of 2017-09-11 Conditions Above mentioned safety component represents only a part at the protection device against over- speed for the car moving in upwards direction and unintended car movement.
Page 57
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Enclosure to the EU Type-Examination Certificate No. EU-BD 1034 of 2017-09-11 Authorised Manufacturer of Serial Production – Production Sites (valid from: 2017-07-27): Company INTORQ GmbH & Co. KG Address Wülmser Weg 5 31855 Aerzen –...
Page 58
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Subject to changes without notice ! Änderungen vorbehalten !
Page 59
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Subject to changes without notice ! Änderungen vorbehalten !
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Brake operating instructions WSG-SF setting the standard INTORQ BFK464-R Translation of the Original Operating Instructions www.intorq.com www.intorq.com Subject to changes without notice ! Änderungen vorbehalten !
Page 63
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: This documentation applies to the: BFK464-17R BFK464-18R BFK464-19R BFK464-20R BFK464-22R BFK464-25R BFK464-28R Product key INTORQ Legend for the product key INTORQ BFK464 Product group Brakes Product type Spring-applied brake Type...
Page 64
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Identification Packaging label Example Manufacturer Type No. Type (see product key) Bar code Designation Qty. per box Rated/holding voltage Rated torque Rated/holding power Packaging date Addition CE mark Name plate...
Page 65
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Contents Preface and general information ...........................6 About these Operating Instructions .......................6 Terminology used ............................6 Conventions in use ............................6 Abbreviations used ............................7 Safety instructions and notices ........................8 Scope of delivery ............................9 Disposal ................................9 Drive systems ..............................10...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Preface and general information Preface and general information About these Operating Instructions These Operating Instructions will help you to work safely with the spring-applied brake with electromag- ❚...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Preface and general information Abbreviations used Letter sym- Unit Designation Rated frictional force Current Holding current, at 20 °C and holding voltage Release current, at 20 °C and release voltage Rated current, at 20 °C and rated voltage Tightening torque of fastening screws Braking torque at a constant speed of rotation...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Preface and general information Letter sym- Unit Designation Disengagement time, time from switching the stator until reaching 0.1 M Slipping time, operation time of the brake (according to t ) until standstill Delay during engagement (time from switching off the supply voltage to the beginning of the torque rise)
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Preface and general information Danger level DANGER DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Preface and general information Drive systems Labelling Drive systems and components are unambiguously designated by the indications on the name plate. Manufacturer: INTORQ GmbH & Co. KG, Wülmser Weg 5, D-31855 Aerzen, Germany The spring-applied INTORQ brake is also delivered in single modules which can then be put together by ❚...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Safety instructions Safety instructions General safety instructions INTORQ components ... ❚ ... must only be used as directed..must not be commissioned if they are noticeably damaged..
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Safety instructions Application as directed INTORQ components ... ❚ ... are intended for use in machinery and systems..must only be used for the purposes ordered and confirmed..
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Technical specifications The division of the brake circuits is done using a two-part armature disc with the associated compression springs and electromagnetic coils. Each brake circuit can be operated individually due to the separate supply lines for each coil group and armature disc segment ( 33).
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Technical specifications 3.1.5 Hand-release (optional) To temporarily release the brake in the de-energised state, a hand-release function is available as an option (instead of the transport safety bolts otherwise used). The hand-release system works on both brake circuits together.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Technical specifications Rated data 3.2.1 Dimensions 1.1 Stator, complete Armature plate Flange Type Mass of stator Air gap Perm. wear Rotor thickness complete +0.06/-0.08 Min. Max.
Page 78
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Technical specifications Pitch Type Fastening screws Minimum thread depth Tightening torque Hole circle DIN 912 +1.0 mm without with without with without with Thread Flange Flange Flange...
Page 79
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Technical specifications Rated data (design data) Abb. 2 Operating/switching times of the spring-applied brakes Engagement time Reaction delay of engagement Disengagement time (up to M = 0.1 M Rise time of the braking torque Braking torque at a constant speed of rotation Voltage...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Technical specifications Engagement time The transition from a brake-torque-free state to a holding-braking torque is not free of time lags. For emergency braking, short engagement times for the brake are absolutely essential. The DC-side switch- ing in connection with a suitable spark suppressor must therefore be provided.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Technical specifications Emissions Electromagnetic compatibility NOTICE The user must ensure compliance with EMC Directive 2014/30/EC using appropriate controls and switching devices. If an INTORQ rectifier is used for the DC switching of the spring-applied brake and if the operating frequency exceeds five switching operations per minute, the use of a mains filter is required.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Mechanical installation Mechanical installation Important notes NOTICE The toothed hub and screws must not be lubricated with grease or oil. Necessary tools Type Torque wrench Open-end wrench Allen key for transport Insert for...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Mechanical installation 4.4.1 Install the hub onto the shaft NOTICE For reverse operations, we recommend also glueing the hub to the shaft. Abb. 4 Installing the hub onto the shaft Circlip Hub (optional) Key, design B...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Mechanical installation Abb. 8 Remove the transport locking device Transport safety bolts Socket head cap screws End shield Flange (optional) 3. Remove the transport safety bolts (discard them). 4.4.3 Check the air gap Abb.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Mechanical installation 1. Check the air gap "s " near the bolts using a feeler gauge and compare the values to the values for "s "...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Mechanical installation 4.4.5 Hand-release assembly (optional) NOTICE The assembly of the hand-release is carried out on the spring-applied brake which has already been fitted to the end shield ( 24).
Page 91
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Mechanical installation 1. Insert the two stud bolts, with the short threaded ends first, into the enclosure holes (where the transport screws have already been removed). Use a suitable tool to screw them in with a tightening torque of: 10 Nm for sizes 17R –18R, 20 Nm for sizes 19R –22R, 40 Nm for size 25R, or...
Page 92
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Mechanical installation NOTICE Be sure to check the air gap "s " before adjusting the hand-release. Refer to 27 and 28 for this procedure. Abb. 12 Dimension "s "...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Electrical installation Electrical installation Electrical connection 5.1.1 Important notes DANGER There is a risk of injury by electrical shock! ❚ Electrical connection must only be carried out by skilled personnel! ❚...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Electrical installation Micro-switch NOTICE Application range recommended for the micro-switch ❚ DC current: 10 mA to 100 mA at 12 V ❚ AC current: 10 mA to 5 A, at 12 V / max. 250 V Bridge/half-wave rectifier (optional) BEG-561- The bridge/half-wave rectifiers are used to supply electromagnetic DC spring-applied brakes which are ap-...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Electrical installation Dimensions Fastening options Abb. 14 Dimensions and fastening options of bridge/half-wave rectifier 5.3.2 Technical specifications Rectifier type Bridge / half-wave rectifier Output voltage for bridge rectification 0.9 x U Output voltage for half-wave rectification 0.45 x U...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Electrical installation 5.3.3 Permissible current load at ambient temperature 1 For screw assembly with metal surface (good heat dissipation) 2 For other assembly (e.g. adhesive) Electrical connection DANGER There is a risk of injury by electrical shock!
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Commissioning and operation Commissioning and operation Important notes DANGER ❚ The live connections and the rotating rotor must not be touched. ❚ The drive must not be running when checking the brake. The brakes are dimensioned in such a way that the specified rated torques are reached safely after a ❚...
Page 99
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Commissioning and operation 1. The switching contact for the brake must be open. 2. Remove two bridges from the motor terminals to de-energise the motor. Do not disconnect the supply voltage for the brake.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Commissioning and operation 6.2.2 Testing the hand-release functionality NOTICE ❚ The hand-release is designed for activation via a Bowden cable. ❚ An individual brake circuit can only be released electrically. DANGER Danger: rotating parts! The drive system must be free of loads.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Commissioning and operation During operation DANGER Danger: rotating parts! The running rotor must not be touched. DANGER There is a risk of injury by electrical shock! Live connections must not be touched.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Maintenance and repair Maintenance and repair Wear of spring-applied brakes INTORQ spring-applied brakes are wear-resistant and designed for long maintenance intervals. The friction lining and braking mechanism are subject to operational wear. For safe and trouble-free operation, the brake must be checked at regular intervals or replaced, if necessary NOTICE Braking torque reduction...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Maintenance and repair Inspections To ensure safe and trouble-free operations, the spring-applied brakes must be checked at regular intervals and, if necessary, replaced. Servicing will be easier at the plant if the brakes are made accessible. This must be considered when installing the drives in the plant.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Maintenance and repair Maintenance NOTICE Brakes with defective armature plates, socket head cap screws, springs or counter friction surfaces must always be replaced completely. Observe the following for inspections and maintenance works: ❚...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Maintenance and repair 7.3.3 Release / voltage 1. Start motor and control system! DANGER Danger: rotating parts! The running rotor must not be touched. DANGER There is a risk of injury by electrical shock! Live connections must not be touched.
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Maintenance and repair Spare-parts list Only parts with item numbers are available. ❚ The item numbers are only valid for the standard design. Please include the following information with the order: ❚...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Maintenance and repair Ordering spare parts INTORQ BFK464- R, complete stator Size Design 103 V / 51.5 V Voltage 103 V / 72 V 205 V / 103 V 360 V / 180 V ________ Nm Brake torque...
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Troubleshooting and eliminating faults Troubleshooting and eliminating faults If any malfunctions should occur when operating the braking system, please check for possible causes based on the following table. If the fault cannot be fixed or eliminated by one of the listed steps, please con- tact customer service.
Page 109
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: Troubleshooting and eliminating faults Fault Cause Remedy Brake does not release Incorrect micro-switch wiring Check the wiring of the micro-switch and correct it. Micro-switch incorrectly set Replace the complete stator and make a complaint about the setting of the micro-switch to the manufacturer.
Page 110
Gearless Lift Machine Code: GM.8.004284.EN WSG-SF Date: 28. Jan 2020 Version: 0.16 Operating Instructions Page: INTORQ GmbH & Co KG Germany PO Box 1103 D-31849 Aerzen, Germany Wülmser Weg 5 D-31855 Aerzen, Germany +49 5154 70534-444 +49 5154 70534-200 ...
Page 112
YOUR GLOBAL PARTNER FOR COMPONENTS, MODULES AND SYSTEMS IN THE ELEVATOR INDUSTRY More information about Wittur Group available on-line. a WITTUR brand a WITTUR brand a WITTUR brand...
Need help?
Do you have a question about the WSG-SF Series and is the answer not in the manual?
Questions and answers