Table Of Contents - RedMax GZ25N Workshop Manual

CONTENTS
1. OUTLINE OF STRATO-CHARGED ENGINE ................................. 2
1-1 Special Features ................................................................................................................................. 2
1-2 Principle of Operation ......................................................................................................................... 3
1-3 Construction (Developed Drawing) ..................................................................................................... 4
2. SPECIFICATIONS AND TECHNICAL DATA .................................. 5
3. OUTLINE DRAWING ...................................................................... 6
4. MAINTENANCE SPECIFICATIONS ............................................... 7
4-1 Engine Block ....................................................................................................................................... 7
4-2 Carburetor .......................................................................................................................................... 8
4-3 Ignition System ................................................................................................................................... 8
4-4 Fastening Specifications ...................................................................................................................... 8
4-5 Sealant and Lubricant Specifications .................................................................................................. 8
5. SPECIAL TOOLS ............................................................................ 9
6. SERVICE GUIDE .......................................................................... 10
6-1 GENERAL PRECAUTIONS .............................................................................................................. 10
6-2 Removing of Clunch Shoe ............................................................................................................... 11
6-3 Mounting of Clutch Shoe ................................................................................................................... 11
6-4 Removing of Rotor ............................................................................................................................ 11
6-5 Removing Recoil Pulley .................................................................................................................... 12
6-6 Assembling of lgnition Coil ................................................................................................................ 12
6-7 Installing of Spark Plug .................................................................................................................... 12
6-8 Laying of Switch Cable .................................................................................................................... 13
6-9 Fitting of Plug Cap ............................................................................................................................ 13
6-10 Removing Piston Pin ......................................................................................................................... 13
6-11 Installing of Piston 14
6-12 Assembling of Piston Pin Circlip ........................................................................................................ 14
6-13 Direction of Setting Cylinder Gasket ................................................................................................. 14
6-14 Positioning of Lead Air Intake Tube .................................................................................................... 15
6-15 Assembling of Cylinder Plate ............................................................................................................. 15
6-16 Setting of Insulator Gasket ................................................................................................................. 15
6-17 Mounting of Reed Valve ..................................................................................................................... 16
6-18 Removal of Clutch Drum .................................................................................................................... 16
6-19 Assembling Cluch Drum .................................................................................................................... 17
7. CARBURETOR ............................................................................. 18
7-1 Construction ..................................................................................................................................... 18
7-2 Function and Operation of Throttle Valve .......................................................................................... 18
7-3 Specifications .................................................................................................................................... 19
7-4 Composition and Inspection .............................................................................................................. 20
8. TROUBLE SHOOTING ................................................................. 21
8-1 Engine does not start ........................................................................................................................ 21
8-2 Stalled during Operation ................................................................................................................... 21
8-3 Engine cannot be stopped ................................................................................................................ 22
8-4 Lack of output power or unstable revolution ..................................................................................... 22
BRUSHCUTTERS BCZ2500S/BCZ2500SU
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