MCCULLOCH USER MANUAL TM502 TABLE OF CONTENTS 1 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . .3 1-1. General Identification 1-2. Safety Features 2 SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 2-1. Kickback Safety Precautions 2-2. Other Safety Precautions 2-3. General Safety Precautions for chain saw users 2-4. More About Kickback 2-5. Kickback safety Labels 2-6. International Symbols 3 REMOVING & INSTALLING BAR & CHAIN . . . . . . . . . . . . .7 3-1. Bar & Chain Removal and Installation 3-2. Before starting your saw 3-3. Guide Bar/Saw Chain/Clutch Cover Removal or Installation 3-4. Saw Chain Tension Adjustment 3-5. CHAIN BRAKE® Mechanical Test 4 FUEL AND LUBRICATION . . . . . . . . . . . . . . . . . . . . . . . . .10 4-1. Fuel 4-2. Mixing Fuel 4-3. Fuel and Lubrication Symbols Fuel Mixing Table 4-4. Recommended Fuels 4-5. Chain and Bar Lubrication 5 OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . .11 5-1. Engine Pre-Start Checks 5-2. To Start Engine 5-3. Re-Starting a Warm Engine 5-4. To Stop Engine 5-5. CHAIN BRAKE® Operational Test 5-6. Saw Chain / Bar Lubrication 5-7. Automatic Oiler 6 GENERAL CUTTING INSTRUCTIONS . . . . . . . . . . . . . . . .13 6-1. Felling 6-2. Limbing 6-3. Bucking 6-4. Bucking Using a Sawhorse 7 MAINTENANCE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . .15 7-1. Preventive Maintenance 7-2. Air Filter 7-3. Fuel Filter 7-4. Spark Arrester Screen 7-5. Spark Plug 7-6. Carburetor Adjustment 7-7. Storing a Chain Saw 7-8. Removing a Unit From Storage 8 BAR / CHAIN MAINTENANCE . . . . . . . . . . . . . . . . . . . . . .18 8-1. Guide Bar Maintenance 8-2. Chain Maintenance 8-3. Chain Replacement Information 9 TROUBLESHOOTING THE ENGINE . . . . . . . . . . . . . . . . . .20