BS 7171:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
09-18-2001
English
05-31-1989
Foreword
Committees responsible
Specification
0. Introduction
1. Scope
2. Classification of MEWPs
3. Definitions
4. Maximum operating speeds
5. Load and force factors, and design and stability
calculations
6. Design
7. Marking and technical information
8. Testing
Appendices
A. Recommendations for approval procedures for a new
design of MEWP
B. Recommendations for examinations and tests after
major alterations to a MEWP already in use
C. Recommendations for periodical examination and
tests on MEWPs
D. Guidelines for the design and test of load-supporting
hydraulic and pneumatic cylinders
E. Examples of a safe and an unsafe hydraulic control
circuit
Tables
1. Examples of maximum overturning load and force
moment combinations for stability calculations
Figures
1. Typical group A machines with no limitations on
their range of movements
2. Typical group B machines with limitations on their
range of movements
3. Components of the safe working load
4. Examples of maximum overturning load and force
moment combinations
5. Load spectrum factor
6. Examples of a safe and an unsafe hydraulic circuit
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