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ASME A17.2-2007
M00050704
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ASME A17.2-2007 Guide for Inspection of Elevators, Escalators, and Moving Walks
standard by ASME International, 10/05/2007
Full Description
This Guide addresses how-to inspection guidelines,techniques, and cautionary notes in a logical sequence.Subsections are arranged to focus on routine inspectionrequirements, followed by periodic test (annual and fiveyear) and acceptance criteria. Appropriate references tothe latest edition of the Code, in effect at the time ofthis Guide's publication, are listed at the end of eachsubsection. The referenced numbers may not be the samein earlier editions. This Guide is organized as follows:Parts 1 through 6 apply to electric and hydraulic elevators,Parts 7 and 8 apply to escalators, and Parts 9 and10 apply to moving walks. The Parts are arranged toshow the location of the inspection:Part 1 Elevator - Inside of Car
Part 2 Elevator - Machine Room
Part 3 Elevator - Top of Car
Part 4 Elevator - Outside Hoistway
Part 5 Elevator - Pit
Part 6 Elevator - Firefighters' Service
Part 7 Escalator - External
Part 8 Escalator - Internal
Part 9 Moving Walk - External
Part 10 Moving Walk - Internal
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Guide for Inspection of Elevators, Escalators, and Moving Walks
Includes Inspection Procedures for Electric Traction and Winding Drum Elevators, Hydraulic Elevators, and Escalators and Moving Walks
A N A M E R I C A N N A T I O N A L S T A N D A R D
Copyright 2007 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
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ASME A17.2-2007
(Revision of ASME A17.2-2004)
Guide for Inspection of Elevators, Escalators, and Moving Walks
Includes Inspection Procedures for Electric Traction and Winding Drum Elevators, Hydraulic Elevators, and Escalators and Moving Walks
AN AMERICAN NA TIONAL S T AND ARD
Three Park Avenue • New York, NY 10016
Date of Issuance: October 5, 2007
The next edition of this Guide is scheduled for publication in 2010. There will no addenda issued to this edition.
ASME issues written replies to inquiries concerning interpretations of technical aspects of this Guide. Interpretations are also published on the ASME Web site under the Committee Pages at https://cstools.asme.org as they are issued.
ASME is the registered trademark of The American Society of Mechanical Engineers.
This Guide was developed under procedures accredited as meeting the criteria for American National Standards. The Standards Committee that approved the Guide was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed Guide was made available for public review and comment that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public- at-large.
ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity.
ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assume any such liability. Users are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility.
Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as government or industry endorsement of this Guide.
ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME procedures and policies, which precludes the issuance of interpretations by individuals.
No part of this document may be reproduced in any form, in an electronic retrieval system or otherwise,
without the prior written permission of the publisher.
The American Society of Mechanical Engineers Three Park Avenue, New York, NY 10016
Copyright © 2007 by
THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
All rights reserved Printed in U.S.A.
CONTENTS
Foreword ix
Committee Roster xii
Preface xvi
Summary of Changes xix
Introduction 1
1 | Scope ................................................................... | 1 |
2 | Application ............................................................. | 1 |
3 | Qualifications of Inspectors .............................................. | 2 |
4 | Personal Safety .......................................................... | 2 |
5 | Duties of Inspectors ..................................................... | 2 |
6 | Arrangement for Inspection .............................................. | 2 |
7 | Recommended Equipment ............................................... | 2 |
8 | Reference Documents .................................................... | 3 |
Part 1 | Elevator — Inside of Car ................................................... | 4 |
1.1 | Door Reopening Device ................................................. | 4 |
1.2 | Stop Switches ........................................................... | 4 |
1.3 | Operating Control Devices ............................................... | 5 |
1.4 | Sills and Car Floor ...................................................... | 5 |
1.5 | Car Lighting and Receptacles ............................................ | 6 |
1.6 | Car Emergency Signal ................................................... | 6 |
1.7 | Car Door or Gate ........................................................ | 7 |
1.8 | Door Closing Force ...................................................... | 8 |
1.9 | Power Closing of Doors or Gates ........................................ | 8 |
1.10 | Power Opening of Doors or Gates ....................................... | 8 |
1.11 | Car Vision Panels and Glass Car Doors .................................. | 10 |
1.12 | Car Enclosure ........................................................... | 10 |
1.13 | Emergency Exit .......................................................... | 11 |
1.14 | Ventilation .............................................................. | 12 |
1.15 | Signs and Operating Device Symbols .................................... | 12 |
1.16 | Rated Load, Platform Area, and Data Plate ............................... | 12 |
1.17 | Standby Power Operation ............................................... | 13 |
1.18 | Restricted Opening of Car or Hoistway Doors ............................ | 14 |
1.19 | Car Ride ................................................................ | 14 |
Part 2 | Elevator — Machine Room ................................................. | 16 |
2.1 | Access to Machine Space ................................................ | 16 |
2.2 | Headroom .............................................................. | 16 |
2.3 | Lighting and Receptacles ................................................ | 16 |
2.4 | Machine Space .......................................................... | 17 |
2.5 | Housekeeping ........................................................... | 17 |
2.6 | Ventilation .............................................................. | 17 |
2.7 | Fire Extinguisher ........................................................ | 18 |
2.8 | Pipes, Wiring, and Ducts ................................................ | 18 |
2.9 | Guarding of Exposed Auxiliary Equipment ............................... | 18 |
2.10 | Numbering of Elevators, Machines, Controllers, and Disconnect Switches .............................................................. | 18 |
2.11 | Disconnecting Means and Control ........................................ | 19 |
2.12 | Controller Wiring, Fuses, Grounding, etc. ................................. | 19 |
2.13 | Governor, Overspeed Switch, and Seal ................................... | 20 |
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2.14 | Code Data Plate ......................................................... | 24 |
2.15 | Static Control ........................................................... | 25 |
2.16 | Overhead Beam and Fastenings .......................................... | 25 |
2.17 | Drive Machine Brake .................................................... | 25 |
2.18 | Traction Drive Machines ................................................. | 26 |
2.19 | Gears, Bearings, and Flexible Couplings .................................. | 26 |
2.20 | Winding Drum Machine and Slack Cable Device ......................... | 27 |
2.21 | Belt- or Chain-Drive Machine ............................................ | 27 |
2.22 | Motor Generator ........................................................ | 28 |
2.23 | Absorption of Regenerated Power ........................................ | 28 |
2.24 | AC Drives From a DC Source ............................................ | 28 |
2.25 | Traction Sheaves ......................................................... | 29 |
2.26 | Secondary and Deflector Sheaves ........................................ | 29 |
2.27 | Rope Fastenings ......................................................... | 30 |
2.28 | Terminal Stopping Devices ............................................... | 30 |
2.29 | Car and Counterweight Safeties .......................................... | 31 |
2.30 | Hydraulic Power Unit ................................................... | 36 |
2.31 | Relief Valves ............................................................ | 36 |
2.32 | Control Valve ........................................................... | 37 |
2.33 | Tanks ................................................................... | 37 |
2.34 | Flexible Hydraulic Hose and Fitting Assemblies .......................... | 38 |
2.35 | Supply Line and Shutoff Valve ........................................... | 38 |
2.36 | Hydraulic Cylinders ..................................................... | 39 |
2.37 | Pressure Switch ......................................................... | 39 |
2.38 | Roped Water Hydraulic Elevators ........................................ | 40 |
2.39 | Low Oil Protection ...................................................... | 40 |
2.40 | Maintenance Records .................................................... | 40 |
2.41 | Static Control ........................................................... | 40 |
Part 3 | Elevator — Top of Car...................................................... | 41 |
3.1 | Top-of-Car Stop Switch .................................................. | 41 |
3.2 | Car Top Light and Outlet ................................................ | 41 |
3.3 | Top-of-Car Operating Device ............................................ | 41 |
3.4 | Top-of-Car Clearance, Refuge Space, and Standard Railing ................ | 42 |
3.5 | Normal Terminal Stopping Devices ...................................... | 43 |
3.6 | Final and Emergency Terminal Stopping Devices ......................... | 44 |
3.7 | Car Leveling and Anticreep Devices ..................................... | 45 |
3.8 | Top Emergency Exit ..................................................... | 46 |
3.9 | Floor and Emergency Identification Numbering .......................... | 46 |
3.10 | Hoistway Construction .................................................. | 46 |
3.11 | Hoistway Smoke Control ................................................ | 47 |
3.12 | Pipes, Wiring, and Ducts ................................................ | 47 |
3.13 | Windows, Projections, Recesses, and Setbacks ............................ | 47 |
3.14 | Hoistway Clearances .................................................... | 48 |
3.15 | Multiple Hoistways ...................................................... |
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