WITTUR OL35E-NA Operating Instruction
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WITTUR OL35E-NA Operating Instruction

Overspeed governor
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OPERATING INSTRUCTION
OL35E-NA
OVERSPEED GOVERNOR
Product manufacturer reference can be found on
the product type label. For any support or further
questions please contact your trading office.
No part of this publication may be reproduced or translated, even in part, without prior written permission from
WITTUR. Subject to change without notice!
www.wittur.com
PM.7.002374.EN
Code
Version
20.03.2018
Date
© Copyright WITTUR 2016
D

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Summary of Contents for WITTUR OL35E-NA

  • Page 1 For any support or further questions please contact your trading office. No part of this publication may be reproduced or translated, even in part, without prior written permission from © Copyright WITTUR 2016 WITTUR. Subject to change without notice! www.wittur.com...
  • Page 2 Handling of the OL35E-NA ........PM.7.002374.007...

  • Page 3: General Information Prior To Installation

    Overspeed Governor Blatt/ sheet PM.7.002374.002 Datum/ date 08.04.2011 OL35E-NA Stand/ version C-20.09.2017 Geprüft/ approved WAT/MZE Operating instructions General information prior to installation Description and functions The overspeed governor is a safety device that If the nominal elevator speed is exceeded, the fly-...

  • Page 4: Liability And Guarantee

    / product damage during installa- ed in these operating instructions. tion, maintenance and repair work. The WITTUR guarantee may be voided if parts Important safety advice and danger warnings are other than those described in these instructions emphasized with the following symbols: are installed.
  • Page 5 Overspeed Governor Blatt/ sheet PM.7.002374.004 Datum/ date 08.04.2011 OL35E-NA Stand/ version 08.04.2011 Geprüft/ approved WAT/MZE Operating instructions Advice for when working on Before starting installation work: safety components Only properly trained personnel may carry Overspeed governors are classified as safety com- out work, or be allowed access to the ponents.

  • Page 6: Content Of Supply

    After delivery, check the overspeed governor for damage and for full delivery of parts. The content of supply covers:       Operating instructions manual Overspeed governor OL35E-NA (pre-adjusted and calibrated at the factory) including over- speed contact Magnet Encoder (pre-assembled; optional) Remote control (pre-assembled; optional)
  • Page 7 OL35E-NA Stand/ version B-21.10.2013 Geprüft/ approved WAT/MZE Operating instructions Name plate, designation, identification The overspeed governor OL35E-NA identification indicators are located on the governor safety cover. The overspeed governor is pre-adjusted and calibrated at the factory. No re-adjust- These consist of a metal name plate and a identi- ment is allowed.

  • Page 8: Installation

    Geprüft/ approved WAT/MZE Operating instructions Installation General 3.1.1 Handling of the OL35E-NA Check the direction of rotation: When the Don’t take / carry the governor by the fly- car / counterweight travels downwards the weight or overspeed contact! governor has to rotate in the arrow direction.
  • Page 9 Stand/ version 20.06.2013 Geprüft/ approved WAT/MZE Operating instructions 3.1.2 OL35E-NA Fixing possibilities OL35E-NA can be mounted standing only 3.1.3 Installation tolerances The overspeed governor must be installed vertically. The overspeed governor must be installed in a way, that the governor rope runs par- allel into the wheel groove! The max.
  • Page 10 Overspeed Governor Blatt/ sheet PM.7.002374.009 Datum/ date 08.04.2011 OL35E-NA Stand/ version 08.04.2011 Geprüft/ approved WAT/MZE Operating instructions Installing the overspeed governor in the machine room Always pay attention to the overspeed Preparation governor rotational direction during each stage of installation.
  • Page 11 Operating instructions Roping of the overspeed governor The overspeed governor can only operate perfect- ly if the governor rope and the tension weight are OL35E-NA placed in shaft top installed correctly. (1) Leave enough extra length on the governor OL35E-NA...
  • Page 12 Overspeed Governor Blatt/ sheet PM.7.002374.011 Datum/ date 08.04.2011 OL35E-NA Stand/ version 08.04.2011 Geprüft/ approved WAT/MZE Operating instructions Overspeed contact Work involving electrical equipment Take note of the following when laying the should only be carried out by an electrical connection cable: fitter or qualified personnel.
  • Page 13 Overspeed Governor Blatt/ sheet PM.7.002374.012 Datum/ date 08.04.2011 OL35E-NA Stand/ version C-20.09.2017 Geprüft/ approved WAT/MZE Operating instructions Electrical installation of the remote control (optional) The remote control allows to trigger the overspeed Motor protection: governor electrically in downward direction with Contact plate rated or service speed.

  • Page 14: Overspeed Governor

    Overspeed Governor Blatt/ sheet PM.7.002374.013 Datum/ date 08.04.2011 OL35E-NA Stand/ version D-20.03.2018 Geprüft/ approved WAT/MZE Operating instructions Motor Position “A” - right Safety trip mechanical reset switch switch +24 VDC +24 VDC Remote control Motor Position “B” - left Motor...
  • Page 15 Overspeed Governor Blatt/ sheet PM.7.002374.014 Datum/ date 08.04.2011 OL35E-NA Stand/ version 22.03.2013 Geprüft/ approved WAT/MZE Operating instructions Electrical installation of the Magnet-Ring Encoder (optional) The magnetic ring encoder is used for measuring the accurate car position. 3.6.2 Wiring assignment The signal may be used only as reference to another available source.
  • Page 16 Overspeed Governor Blatt/ sheet PM.7.002374.015 Datum/ date 08.04.2011 OL35E-NA Stand/ version 22.03.2013 Geprüft/ approved WAT/MZE Operating instructions Attaching the safety cover Move the delivered covering via the overspeed governor and attach as represented with screws Änderungen vorbehalten! Subject to change without notice!

  • Page 17: Function Testing

    Overspeed Governor Blatt/ sheet PM.7.002374.016 Datum/ date 08.04.2011 OL35E-NA Stand/ version 08.04.2011 Geprüft/ approved WAT/MZE Operating instructions Function testing Static functions test: Granting that the installation will be done under strict observance of all standards the operational reliability of the system is assured. The quality and...
  • Page 18 Overspeed Governor Blatt/ sheet PM.7.002374.017 Datum/ date 08.04.2011 OL35E-NA Stand/ version D-20.08.2018 Geprüft/ approved WAT/MZE Operating instructions Testing all functions Refer to “Section 8.10 Acceptance inspec- tions and tests” of the ASME A17.1. In the following the check of electrical tripping, the release of the safety gear as well as the verifi- cation of the tripping speed is described.
  • Page 19 Overspeed Governor Blatt/ sheet PM.7.002374.018 Datum/ date 08.04.2011 OL35E-NA Stand/ version C-20.09.2017 Geprüft/ approved WAT/MZE Operating instructions Standard speed settings The overspeed governor of the car (C) and counterweight (CWT) are adjusted at the factory to the following tripping values (ASME A17.1).

  • Page 20: Maintenance, Inspection And Repair

    The table below shows the standard mandatory tests and intervalls. With the consent of Wittur, the test proce- dure and intervals can be changed. Recommended checking periods Acceptance Mandatory periodical tests...

  • Page 21: Inspection Checks

    Check the flyweights Do not adjust the flyweight-springs or do any other settings! If the adjustment of (performance of the springs, proper the overspeed governor is faulty, please operation/movement) contact us at WITTUR. Änderungen vorbehalten! Subject to change without notice!
  • Page 22 Overspeed Governor Blatt/ sheet PM.7.002374.021 Datum/ date 08.04.2011 OL35E-NA Stand/ version C-20.09.2017 Geprüft/ approved WAT/MZE Operating instructions 5.3.4 Check the condition (wearing) of the 5.3.5 Check the condition of the wheel wheel rope groove bearing 1. Check the groove type Check it by listening to the running noise.

  • Page 23: Functional Check

    Contact plate (The acceleration should be as less as possible, ~0.10m/s²) Overspeed contact 5.4.2 Brake force (lifting force) of the OL35E-NA governor OL35E-NA Allowed brake force 500N - 1000N 800N- 1300N Max lifting force* 300N 480N *governor force must be 67% greater than safety gear activation force, according ASME A17.1...
  • Page 24 Overspeed Governor Blatt/ sheet PM.7.002374.023 Datum/ date 08.04.2011 OL35E-NA Stand/ version 08.04.2011 Geprüft/ approved WAT/MZE Operating instructions 5.4.2.1 Measuring of the brake (lifting) force with force gauge Each test has to be documented a) Detach the safety gear lever (1) from the rope anchorage (2).

  • Page 25: Carrying Out Repairs

    Spare Parts • Tensioning the governor rope There are no standard spare parts defined / avail- Please contact WITTUR if for any reason able for the Overspeed Governor. something is unclear, or you encounter damage that cannot be repaired with the help of these instructions.

  • Page 26: Revision Table

    Overspeed Governor Blatt/ sheet PM.7.002374.025 Datum/ date 08.04.2011 OL35E-NA Stand/ version D-20.03.2018 Geprüft/ approved WAT/MZE Operating instructions Revision table Issue Datum Beschreibung der Änderung 20.09.2017 some minor changes CRW-7572 20.03.2018 Wiring picture changed, table added,,text changed CRW-8407 Änderungen vorbehalten! Subject to change without notice!
  • Page 27 Sarandi - Pcia. de Buenos Aires, Argentinia 43052 Colorno, Italy AUSTRIA INDIA WITTUR Austria GmbH WITTUR Elevator Components India Pvt. Ltd. Sowitschstrasse 1 Survey nos 45/1B , 3 & 4 , Pondur Village 3270 Scheibbs, Austria Sriperumbudur – 602 105...

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