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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ASME A90.1: Safety Standard for Belt Manlifts
At the bottom landing, the clear area shall be a minimum of 30 in. This code or standard was developed under procedures accredited as meeting the criteria for American National Standards. Buchanan, Rubber Belting and Hose B.
No manlift shall have a. Correspondence should be addressed to: All head pulleys shall be lagged i. A side landing area is not required z90.1 the bottom landing.
ASME A Safety Standard for Belt Manlifts
The brake shall be capable of stopping and holding the manlift when the down-side is loaded with lb 90 kg on each step. Entrances at all landings shall be in the same relative position. When safety stops are provided at the bottom land- ing, a reset button shall also be included at the bottom landing.
All other safety stops shall be manually tested. The depth of amse floating hood need not exceed 12 in. Frazelie, Archer Daniels Midland G. The guide rails shall not be displaced and there shall be no visible deformation, deflection, or misalignment of the step a990.1 its support during the test.
On those sides not used as a landing, the guard- rails shall be extended to a minimum height of 66 in. The entrances and exits at all floor landings affording access to the manlift shall be guarded by a maze staggered railing or handrail equipped with self-closing gates see Figs.
No part of this document may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written assme of the publisher. If located in buildings to which the public has access, manlifts shall be located in an enclosure protected by self-closing, spring-locked doors.
ASME A90.1 (2003): Safety Standard for Belt Manlifts
Page 1 2 13, 14 17 18 20 Location 1. The manlift with lb 90 kg mass on each horizontal step of the down- run shall show no appreciable slip of the belt when standing or running at rated speed.
It is recommended that this potential problem be reviewed with the belt supplier prior to installation. Requests that are not in this format asmee be rewritten in the appropriate format by the Committee prior to being answered, which may inadvertently change the intent of the original request. Further, it is recommended that more frequent checks be made during the first few months of operation to detect if such conditions are developing. This paragraph does not apply to belts.
The proposed code or standard was made available for public review and comment that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the pubiic-at-large.
Cast-iron gears shall not be used. Step clearance at drive 6.
asmme Belt 40 46 16 in. Belt takeup at bottom pulley Cite the applicable edition of the standard for which the interpretation is being requested.
Adequate lighting, not less than 5 fc 54 lxshall be provided at each floor landing at all times when the lift is in operation. Floor landings clear of obstruction Seif-closing gate 24 in. Jackson, Alternate, international Paper S. On the up-side of the manlift floor, openings shall a09.1 provided with an underfloor hood meeting the following requirements see Fig. Cite the applicable paragraph number s and aame a concise description.
Skipping when mounting step check drive train Basnight, International Paper C. The manlift drive machine shall be designed and constructed so that the main drive supporting members are located directly beneath the head pulley and between the up- and down-sides of the belt.
The enclosure shall be equipped with an emergency exit. The third auto- matic stop device shall consist of one of the following: Verify proper bolt torque 03 on mechanical splice. The width of the step or platform shall be not less than the width of the belt to which it a09.1 attached.
Manlift belts shall be centered in the floor openings. The test shall be performed while the machine is stationary. The material shall be laminated belt- ing, solid-woven PVC belting, or other belting meeting the strength requirements of para.
Such damage is not continuous across the full width of the belt.