Contents
1. Special Features
............................................................................................................ 1
2. Specifications and Technical Data
2-1 Blower ........................................................................................................................... 2
2-2 Pipe ............................................................................................................................... 3
2-3 Overall dimensions ........................................................................................................ 4
3. Special Tools
3-1 Rotor Removal .............................................................................................................. 5
3-2 Module Assembly ........................................................................................................ 11
3-3 Recoil Pulley Removal ................................................................................................ 14
3-4 Piston Pin Removal ..................................................................................................... 15
4. Service Guide
4-1 Starter Pulley Removal ............................................................................................... 17
4-2 Air Inlet Net Removal .................................................................................................. 17
4-3 Upper Spring Damper Removal .................................................................................. 18
4-4 Volute Cover Lower Damper Removal ........................................................................ 19
4-5 Flywheel Side Crankshaft Removal ............................................................................ 19
4-6 Crankcase Oil Seal and Bearings Removal ................................................................ 20
4-7 Crankcase Assembling ............................................................................................... 21
4-8 Piston Inserting Direction ............................................................................................ 24
4-9 Piston Pin Snap Ring Assembly ................................................................................ 24
4-10 Positioning of Lead Air Intake Tube .......................................................................... 25
4-11 Reed Valve Assembly ............................................................................................... 25
4-12 Gasket Assembly ...................................................................................................... 26
4-13 Scavenging Duct Cover Assembly ............................................................................ 27
4-14 Muffler Assembly ....................................................................................................... 27
4-15 Switch Cord Assembly .............................................................................................. 28
4-16 Cable Wiring .............................................................................................................. 30
4-17 Fan Assembly ........................................................................................................... 31
4-18 Backpack Pad Air Supply Pipe Assembly ................................................................. 31
4-19 Upper Spring Damper Assembly .............................................................................. 31
4-20 Upper Damper Assembly .......................................................................................... 32
4-21 Lower Damper Assembly .......................................................................................... 32
4-22 Carburetor Assembly ................................................................................................ 33
4-23 Engine Cover Assembly ............................................................................................ 33
4-24 Check of the Gasket Assembly ................................................................................. 34
4-25 Spark Arrester Removal ............................................................................................ 35
4-26 Spark Arrester Cleaning ............................................................................................ 36
4-27 Muffler Cleaning ........................................................................................................ 36
4-28 Air Cleaner Inspection ............................................................................................... 37
4-29 Element Removal ...................................................................................................... 37
4-30 Element Cleaning ...................................................................................................... 39