ISO 9467:2023
Exhaust system for multi position small engine machines — Test procedures and performance requirements for spark arrestors
This document establishes requirements and test procedures for determining the performance of spark arrestor exhaust systems of multi position small engines used in portable applications, such as chain-saws, brush-cutters, grass-trimmers, pole-mounted pruners, edgers and similar shaft-drive machines, hedge trimmers and hand-held and back-pack blowers.
It is not applicable to spark arrestors used in vehicles or stationary equipment.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test equipment
4.1 Calibrated loading device
4.2 Tachometer
4.3 Temperature thermocouple
4.4 Graduated cylinders
4.5 Wire plug gauge
5 Performance requirements for multi-position small engine machines
5.1 Marking and identification
5.2 Mounting and installation
5.3 Screen material
5.4 Screen geometry
5.5 Exposed surface temperature
5.6 Exhaust gas temperature
5.7 External pockets
5.8 Internal pockets
6 Screen test
6.1 General
6.2 Screen housing seal
6.3 Screen openings
6.4 Screen housing seal after reassembly
6.5 Screen material
7 Contact plane determination
7.1 General
7.2 Chain-saw
7.3 Brush cutter, grass trimmer, pole pruner, edger and similar shaft-drive machines
7.4 Hedge trimmer
7.5 Blower
8 Temperature tests
8.1 General
8.2 Test apparatus
8.3 Test data
8.4 Exposed surface and accumulation area temperature rest
8.5 Exhaust gas temperature test
9 Temperature test methods
9.1 Chain-saws
9.1.1 Preparation
9.1.2 Test
9.2 Brush cutters, grass trimmers and pole pruners
9.2.1 Preparation
9.2.2 Test
9.3 Hedge trimmers and edgers
9.3.1 Preparation
9.3.2 Test
9.4 Blowers
9.4.1 Preparation
9.4.2 Test
9.5 Other MSE Configurations
10 Test report
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test equipment
4.1 Calibrated loading device
4.2 Tachometer
4.3 Temperature thermocouple
4.4 Graduated cylinders
4.5 Wire plug gauge
5 Performance requirements for multi-position small engine machines
5.1 Marking and identification
5.2 Mounting and installation
5.3 Screen material
5.4 Screen geometry
5.5 Exposed surface temperature
5.6 Exhaust gas temperature
5.7 External pockets
5.8 Internal pockets
6 Screen test
6.1 General
6.2 Screen housing seal
6.3 Screen openings
6.4 Screen housing seal after reassembly
6.5 Screen material
7 Contact plane determination
7.1 General
7.2 Chain-saw
7.3 Brush cutter, grass trimmer, pole pruner, edger and similar shaft-drive machines
7.4 Hedge trimmer
7.5 Blower
8 Temperature tests
8.1 General
8.2 Test apparatus
8.3 Test data
8.4 Exposed surface and accumulation area temperature rest
8.5 Exhaust gas temperature test
9 Temperature test methods
9.1 Chain-saws
9.1.1 Preparation
9.1.2 Test
9.2 Brush cutters, grass trimmers and pole pruners
9.2.1 Preparation
9.2.2 Test
9.3 Hedge trimmers and edgers
9.3.1 Preparation
9.3.2 Test
9.4 Blowers
9.4.1 Preparation
9.4.2 Test
9.5 Other MSE Configurations
10 Test report
Bibliography