Specifies safety requirements for diesel engine systems that are fire-protected for use in those parts of underground coal mines where there is minimal risk of explosive gases ever being present. Requirements are also given for marking, testing and documentation.
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Application
1.3 Referenced documents
1.4 Definitions
2 Design and construction
2.1 Designated safe area barrier
2.2 Methane detection
2.3 Fire suppression
2.4 Engine types
2.5 Condition monitoring
2.6 Surface temperature
2.7 Abnormal combustion
2.8 Materials
2.8.1 Non-metallic materials
2.8.2 Insulation materials
2.8.3 Use of light alloys
2.9 Vee-pulleys
2.10 Engine breather
2.11 Starting aids
2.12 Fuel systems
2.13 Air inlet systems
2.14 Air compressors
2.15 Cooling systems
2.16 Engine shutdown systems
2.16.1 General
2.16.2 Automatic safety shutdown system
2.16.3 Emergency stop system
2.16.4 Manual fuel shut-off valve
2.16.5 Sensing devices
2.16.6 Engine start and restart
2.17 Exhaust
2.17.1 General
2.17.2 Exhaust systems
2.17.3 Spark arrester
2.17.4 Exhaust cooling
2.17.5 Particulate filter
2.17.5.1 General
2.17.5.2 Replaceable element-type filters
2.17.5.3 Filter-ignition temperature measurements
2.17.6 Exhaust emissions
2.17.6.1 General
2.17.6.2 Exhaust
2.17.6.3 Gravimetric emissions (gaseous)
2.17.6.4 Smoke
2.17.6.5 Test point
2.18 Electrical systems
3 Marking
3.1 Compliance plate
3.2 Warning labels
4 Testing
4.1 Type testing
4.2 Modified components
4.3 Installed tests by the diesel engine system manufacturer
4.4 Routine commissioning tests by the diesel engine system manufacturer
4.4.1 General
4.4.2 Test results
4.4.2.1 Shutdown and temperature tests
4.4.2.2 Exhaust emissions
4.5 Use of low emission fuel
4.6 Management system
5 Documentation
5.1 Documentation to be supplied
5.1.1 General
5.1.2 Manufacturer to the testing authority
5.1.3 Testing authority to the manufacturer (after assessment)
5.1.4 Manufacturer to the purchaser
5.1.5 Manufacturer to the statutory authority
5.2 General arrangement drawings
Appendix A
A.1 Scope
A.2 Product certification
A.3 Supplier’s quality management system
A.4 Other means of assessment
Appendix B
B.1 Scope
B.2 Testing authority
B.3 Principle
B.4 Fuel supply
B.5 Apparatus
B.6 Accuracy
B.7 Procedure
B.7.1 Normalization
B.7.1.1 General
B.7.1.2 Test procedure
B.7.2 Determination of set points for further testing
B.7.2.1 High idle speed
B.7.2.2 Rated torque
B.7.2.3 Rated power
B.7.2.4 Low idle speed
Appendix C
C.1 Scope
C.2 Fuel supply
C.3 Apparatus
C.4 Accuracy
C.5 Procedure
C.5.1 General
C.5.2 Smoke measurement — Variable speed and load engines
C.5.3 Single-point smoke tests for variable speed engines
