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BS 7262:1990

Current
Current

The latest, up-to-date edition.

Specification for automatic safe load indicators
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

28-02-1990

Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. General
4. Mechanical
5. Electrical
6. ASLIs using programmable electronic systems
7. Type testing
8. Protection and painting
9. Marking of equipment
10. Instruction manual
Appendices
A. British Standards for material and equipment
    suitable for use in the manufacture of automatic
    safe load indicators
B. Legislation related to cranes
Tables
1. Form of warnings
2. Indications required for ASLIs for different types
    of cranes
3. Summary of tests
4. Test sequence
5. Common and differential mode transient overvoltage
    tests for mains supplied ASLI
6. Common and differential mode transient overvoltage
    tests for generator supplied ASLI
7. Common and differential mode transient overvoltage
    tests for vehicle supplied ASLI
8. Data cable interference test
Figures
1. Interpolated duties
2. Stepped duties
3. Graph of safe working load against radius
4. Block diagram showing the position of the inter-
    ference pulse generator for the test specified in
    7.2.6.4

Constructional and testing requirements including marking for cranes.

This British Standard specifies constructional and testing requirements for automatic safe load indicators for cranes. It is common practice to fit devices associated with an automatic safe load indicator which prevent certain motions of the crane after the point has been reached where the overload warning is given; these additional motion limiting features are not covered by this British Standard.

Appendix A lists British Standards for material and equipment suitable for use in the manufacture of automatic safe load indicators. Appendix B details legislation relating to cranes.

NOTE. The titles of the publications referred to in this standard are listed on the inside back cover.

Committee
MHE/3/11
DevelopmentNote
Supersedes 88/72855 DC (09/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Current

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BS 302-1:1987 Stranded steel wire ropes Specification for general requirements
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BS 4235-1:1972 Specification for metric keys and keyways Parallel and taper keys
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BS 1486-2:1961 Lubricating nipples Heavy duty lubricating nipples
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BS 6186-1:1981 Specification for straight cylindrical involute splines: metric module, side fit Dimensions and tolerances
BS 463-1:1958 Specification for sockets for wire ropes Inch units
BS 3134-2:1981 Metric tapered roller bearings Specification for dimensions of double row bearings
BS 2573-2:1980 Rules for the design of cranes Specification for classification, stress calculations and design of mechanisms
BS 228:1984 Specification for short pitch transmission precision roller chains and chainwheels
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BS 2059:1953 Specification for straight-sided splines and serrations
BS 4794-2.2(1977) : 1977 SPECIFICATION FOR CONTROL SWITCHES SWITCHING DEVICES INCLUDING CONTACTOR RELAYS FOR CONTROL & AUXILIARY CIRCUITS VOLTAGES UP TO & INCLUDING 1000 V A.C. AND 1200 V D.C.

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