AS/NZS 4871.4:2002

1 - AS/NZS 4871.4:2002 ELECTRICAL EQUIPMENT FOR COAL MINES, FOR USE UNDERGROUND - MAINS POWERED ELECTRICAL MOBILE MACHINES
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 APPLICATION
6 - 1.3 REFERENCED DOCUMENTS
7 - SECTION 2 COMMON REQUIREMENTS - HAZARDOUS AREA
7 - 2.1 GENERAL
7 - 2.2 MACHINE SWITCHING DEVICE
7 - 2.3 LIGHTING SYSTEMS
7 - 2.4 AUTOMATIC GAS MONITORING SYSTEM FOR MAINS POWERED MACHINES
7 - 2.5 MACHINE CONTROLS
7 - 2.5.1 General
8 - 2.5.2 Emergency stop device
8 - 2.5.3 Dead man control
8 - 2.5.4 Reversing alarm
8 - 2.5.5 Pre-start alarms
8 - 2.6 MACHINE SAFETY INTERLOCKS
8 - 2.6.1 General
8 - 2.6.2 Doors
9 - 2.6.3 Water flow
9 - 2.6.4 Roof bolting
9 - 2.6.5 Control-mode
9 - 2.6.6 Remote control (radio)
9 - 2.6.7 Pendant control (umbilical cord)
9 - 2.7 REMOTE CONTROL SYSTEMS
9 - 2.8 MACHINE MOTORS
10 - 2.9 MACHINE CABLING
11 - SECTION 3 SPECIFIC EQUIPMENT REQUIREMENTS
11 - 3.1 CABLE REELS
11 - 3.1.1 General
11 - 3.1.2 Cable reel bearings
11 - 3.1.3 Cable reel dimensions
11 - 3.1.4 Cable reel interlock limit
11 - 3.2 MACHINE INTERLOCK CONTROLS
11 - 3.2.1 Conveyor reversing
11 - 3.2.2 Cable interlock
11 - 3.2.3 Trailing cable attachments
11 - 3.2.4 Pilot control
12 - 3.2.5 Electrical braking
12 - 3.3 SPEED INDICATION

Specifies requirements for the design, construction and testing of electrical powered mobile machines for use in underground coal mines. It does not specify general requirements of electrical equipment for underground coal mines, which are dealt with in Part 1 of this series.

This Standard specifies requirements for the design, construction and testing of electrical powered mobile machines.This Standard shall be read in conjunction with AS/NZS 4871.1.NOTE: Mains powered mobile machines may require approval by the relevant regulatory authority.

First published as part of AS 2595.1-1983.
Second edition 1985.
Third edition 1992.
Jointly revised and redesignated in part as AS/NZS 4871.4:2002.