WM 650 / WM 720 Table of Contents
3
1. Foreword 4
2. Emission Control System Information 5
3. Safety Information 16
3.1 Laws Pertaining to Spark Arresters .................................................... 16
3.2 Operating Safety ................................................................................ 17
3.3 Operator Safety while using Internal Combustion Engines ................ 18
3.4 Service Safety .................................................................................... 19
3.5 Safety Labels ...................................................................................... 20
4. Operation 21
4.1 Recommended Fuel ........................................................................... 21
4.2 Before Starting ................................................................................... 21
4.3 To Start / To Stop ............................................................................... 21
5. Maintenance 22
5.1 Periodic Maintenance Schedule (WM 650) ........................................ 22
5.2 Periodic Maintenance Schedule (WM 720) ........................................ 23
5.3 Spark Plug .......................................................................................... 24
5.4 Engine Oil and Filter ........................................................................... 25
5.5 Air Cleaner ......................................................................................... 26
5.6 Storage ............................................................................................... 27
6. Technical Data 28