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Manlifts covered by this scope consist of steps (platforms) and accompanying handholds mounted on, or attached to, an endless belt operating vertically in one . Donor challenge: Your generous donation will be matched 2-to-1 right now. Your $5 becomes $15! Dear Internet Archive Supporter,. I ask only. ~^k * * ASME A (), Safety Standard for Belt Manlifts as incorporated and mandated by the States and Municipalities, including the Minnesota.

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Users of a code or standard 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. Belt tracking at bottom pulley Such a ladder may be built into the supporting structure of the manlift and may be parallel to the plane of the manlift or perpendicu- lar to the plane of the manlift see Figs.

Cite the applicable paragraph number s and a90.1 a concise description. Hauber, PermaTron Elevator, Inc. To guard against persons walking under a descending step, the area on the down-side of the manlift a9.01 be guarded in accordance with para.

ASME A90.1: Safety Standard for Belt Manlifts

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.

Cole, Alternate, Industrial Erectors, Inc. See Mandatory Appendix I for recommended training guide and program. The emergency brake, if installed, shall be tested per manufacturer’s procedure. All head pulleys shall be lagged i. 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 surface of the step shall make approximately a right angle with the up- and down- runs of the belt and shall travel in the approximate horizontal position with the up- and down-runs of the belt. Any stresses set up during acceleration or stopping are to be included in the above factor of safety.

It is recommended that all electrical motor control appara- tus and safety relays be placed in a locked enclosure aeme as to prevent tampering by unauthorized persons. Step clearance at bottom pulley Guardrails and gate operation The brake shall stop and hold the belt with test load within a maximum of 24 in. Belt takeup at bottom pulley Seif-closing gate 24 in.

Arrows pointing in the direction of belt travel shall be marked on the belt below or above each handhold. Persons wishing to attend any meeting should contact the Secretary of awme A90 Standards Committee. The split-rail safety stops or in- track equivalent safety stops shall be tested by placing a weight of 50 lb 25 kg on the approximate center of the step or platform and running the manlift in qsme appropriate direction until the manlift is stopped by the safety stop.

Requests that are not in this format may be rewritten in the appropriate format by the Committee prior to being answered, which may inadvertently change the intent of the original request. The same series of tests as outlined in this paragraph shall be performed by the owners on an annual basis. To take care of a901. in voltage, etc. It shall not be possible to reset the electrical control circuit from, any step.

Any wall in front of the down-running side of the belt shall be not less than 48 in. Lubrication per maintenance manual This control rope shall be so con- nected to a. If a belt of at least 1. Both runs of the manlift shall be illu- minated at all times when the lift is in operation. Handholds attached to the belt shall be provided and w90.1 installed that they are not less than 4 ft 1.


W90.1 handhold shall be provided without a corresponding step.

Top pulleys and bottom pulleys shall have a diameter of not less than 20 in. The bottom pulley shall be provided with a debris deflector see Figs. Each handhold shall aske port a load of lb kg mass without appreciable deformation or injury to its fastenings. ASME procedures provide for reconsideration of any interpretation when or if additional information which might affect an interpretation is available.

The overlap of the belt at the splice shall be not less than 3 ft 0. The lower edge of this hood shall extend at least 44 in. TT-rr o V- 5 ft 1.

Full text of “ASME A (): Safety Standard for Belt Manlifts”

Floor landings clear of obstruction Corners of gates shall be rounded. Skipping when mounting step check drive train The test shall be performed while the machine is stationary. At the bottom landing, the clear area shall be a minimum of 30 in.

Barnes, Alternate, Barnesco, inc. The guide rails shall not be displaced and there shall be no visible deformation, deflection, or misalignment of the step or its support during the test. ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME procedures and policies, which preclude the issuance of interpretations by individuals. Ignorance zsme the law shall not excuse noncompliance and it is the responsibility of the citizens to inform themselves as to the laws that are enacted in the United States of America and in the states and cities contained therein.

Fastenings for handholds shall be located at least 1 in.