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Overview of the manual's purpose and content.
Information regarding manual revisions and service announcements.
Details on required special tools for maintenance procedures.
Explanation of how the manual's sections are structured.
Emphasizes the importance of reading and understanding safety precautions.
Identifies the intended audience for the workshop manual.
Guidance on how to effectively use the workshop manual.
Steps for repairing individual components of the chainsaw.
Procedure for taking apart and putting back together the whole chainsaw.
Fundamental safety rules and workshop requirements.
Specific warnings and critical safety precautions during operation.
List of general tools applicable to all models.
Specific tools required for models 36 and 41.
Specific tools required for models 40, 45, 51, and 55.
Specific tools required for models 42, 242, and 246.
Specific tools required for models 254, 257, and 262.
Specific tools required for models 61, 268, and 272.
Specific tools required for models 281 and 288.
Specific tools required for models 394 and 3120.
Technical specifications and data for models 36 and 41.
Technical specifications and data for models 42, 242, and 246.
Technical specifications and data for models 40 and 45.
Technical specifications and data for models 51 and 55.
Technical specifications and data for models 254 and 257.
Technical specifications and data for model 262.
Technical specifications and data for models 61, 268, and 272.
Technical specifications and data for models 281 and 288.
Technical specifications and data for model 394.
Technical specifications and data for model 3120.
Diagram outlining common faults and their likely causes.
Solutions for problems related to starting the engine.
Solutions for issues occurring at low engine speeds.
Solutions for problems encountered at high engine speeds.
Troubleshooting for issues with engine speed changes.
Solutions for reduced engine performance.
Diagnosing engine misfires or incomplete combustion.
General approaches and component-specific testing procedures.
Procedures for dismantling, cleaning, inspection, assembly, and checking the chain brake.
Description and instructions for replacing the chain catcher.
Steps for dismantling, cleaning, inspecting, and assembling the muffler.
Procedures for dismantling, cleaning, inspecting, and assembling the stop switch.
Steps for dismantling, cleaning, inspecting, and assembling the throttle lock mechanism.
Instructions for disassembling the starter unit.
Guidance on cleaning and checking starter components.
Specific procedure for replacing the starter ferrule.
Instructions for reassembling the starter unit.
Procedures for dismantling, cleaning, inspecting, and assembling the ignition system.
Specific step for installing the spark plug cover.
Instructions for handling the stop switch, referencing another section.
Description, troubleshooting, and testing of the electric handle heating system.
Steps for removing the centrifugal clutch.
Procedures for cleaning and inspecting clutch parts.
Instructions for reassembling the centrifugal clutch.
Procedures for dismantling the oil pump for various saw models.
Specific steps to remove the oil pump's worm gear.
How to clean and inspect oil pump components.
Instructions for assembling the oil pump for various saw models.
Specific steps for assembling the oil pump's worm gear.
General explanation of the carburettor's function and parts.
Overview of the carburettor's sub-systems.
Explanation of how the carburettor works in different modes.
Procedures for removing the carburettor from the saw.
Instructions on removing carburettor plugs.
Information about specific carburettor jet types.
Detailed assembly steps for the Tillotson HS 228 B carburettor.
Detailed assembly steps for the Tillotson HS 255 B carburettor.
Detailed assembly steps for the Tillotson HS 260 A carburettor.
Detailed assembly steps for Walbro HDA and HD carburettors.
Detailed assembly steps for the Walbro WJ carburettor.
Detailed assembly steps for the Walbro WG carburettor.
Detailed assembly steps for the Walbro WT carburettor.
Detailed assembly steps for the ZAMA C1Q-EL1 carburettor.
Procedures for cleaning and inspecting carburettor components.
General instructions for reassembling the carburettor.
Instructions for refitting carburettor plugs.
Instructions for refitting specific carburettor jets.
Method for performing a pressure test on the carburettor.
Steps for reinstalling the carburettor onto the saw.
Specific air filter information for models 268K, 272K, and 272S.
Description, cleaning, and oiling procedures for the prefilter.
Description and maintenance of the main air filter.
Procedures for removing the fuel tank unit.
How to clean and inspect the tank unit.
Instructions for reinstalling the fuel tank unit.
Explanation of the anti-vibration system's function.
Steps for removing the anti-vibration system components.
Instructions for reassembling the anti-vibration system.
Procedures for removing the piston and cylinder assembly.
How to clean and inspect piston and cylinder parts.
Method for testing the decompression valve.
Common issues related to piston and cylinder and their solutions.
Instructions for reinstalling the piston and cylinder.
Test procedure for the crankcase and cylinder.
Procedures for splitting and dismantling the crankcase and crankshaft.
How to clean and inspect crankcase and crankshaft components.
Instructions for assembling the crankcase and crankshaft.
Procedure for changing the bar bolts.
Steps for replacing seals without splitting the crankcase.
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