Revised Standard from Last Update.

1. Scope

1.1 This Indian Standard specifies manufacturing, testing and marking requirements for solid-section fork arms or quantity production and with all types of mounting. These include but are not limited to hook, shaft or pin, bolt-on and roller type fork arms.

1.2 By agreement between the fork arm manufacturer and the purchaser, these requirements may also be applied to fork arms not intended for quantity manufacture.

2. References

The standards listed below contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to or revisions of, any of these publications do not apply. However, parties to agreements based on this Indian Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.

1757 (Part 1) : 2014/ ISO 148-1 : 2009 Metallic materials - Charpy pendulum impact test: Part 1 Test method

ISO 683-1 : 2016 Heat-treatable steels, alloy steels and free-cutting steels - Part 1: Non-alloy steels for quenching and tempering

7525 : 2017/ISO 2328 : 2011 Fork-lift trucks - Hookon type fork arms and fork arm carriages - Mounting dimensions

7570 : 1975/ISO 2331 : 1974 Glossary of terms relating to fork arms and attachments of fork lift trucks