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Provides specifications for the engine, including displacement, bore, stroke, and power output.
Details specifications for the fuel system, including carburetor settings, fuel tank capacity, and mixture ratios.
Lists specifications for the ignition system, covering type, air gap, ignition timing, and spark plug details.
Specifies guide bars, bar lengths, oilomatic chain types, chain sprockets, and chain lubrication details.
Lists special accessories available for users and service shops, including repair kits and carburetor parts.
Details special accessories intended for direct use by the owner, such as repair kits and starter ropes.
Lists special accessories recommended for service shops, primarily carburetor parts kits for specific models.
Provides a comprehensive list of fasteners and their specified tightening torques in Nm and lbf.ft for various components.
Troubleshooting guide for issues related to the clutch, chain drive, chain brake, and chain tensioner mechanisms.
Troubleshooting guide for common engine faults, covering starting issues, power loss, and overheating scenarios.
Troubleshooting flowchart for diagnosing problems with the engine's ignition system, from spark plug to ignition module.
Troubleshooting guide for common issues with the rewind starter mechanism, including rope and spring problems.
Troubleshooting guide for chain lubrication system faults, addressing issues like no oil delivery or low oil flow.
Troubleshooting guide for fuel system problems, including carburetor flooding, poor acceleration, and engine stalling.
Instructions for disassembling and assembling the clutch drum and chain sprocket, including parts identification.
Procedures for removing, disassembling, and assembling the chainsaw's clutch, including component identification.
Procedures for the maintenance and repair of the chain brake system, covering disassembly and assembly.
Step-by-step instructions for disassembling the chain brake mechanism, including removing the brake band and spring.
Step-by-step instructions for reassembling the chain brake mechanism, ensuring correct placement of components.
Procedure for removing and installing the front chain tensioner assembly, including adjusting screw and nut.
Instructions for converting the front chain tensioner to a side chain tensioner, including drilling details.
Procedures for removing and installing bar mounting studs, including necessary tools and torque specifications.
Instructions for removing and refitting the exhaust muffler, including gasket replacement and torque settings.
Procedures for testing the engine housing for leaks using specialized testers and vacuum pumps.
Steps required before conducting engine leakage tests, including removing the muffler and positioning sealing plates.
Procedure for performing a pressure test on the engine housing to check for airtightness using a pressure tester.
Procedure for performing a vacuum test on the engine housing to detect leaks, particularly affecting oil seals.
Instructions for replacing oil seals on the engine, covering both the clutch and ignition sides.
Detailed steps for removing the engine from the housing and reassembling it, including related component removal.
Procedures for removing and installing the cylinder, including piston and ring handling and cleaning mating faces.
Instructions for removing and installing the piston, including piston pin removal, ring inspection, and needle cage fitting.
Steps for removing and installing piston rings, ensuring correct positioning and cleaning of grooves.
Procedures for removing and installing the crankshaft, including new ball bearings and oil seals.
Procedures for repairing and maintaining key components of the ignition system.
Instructions for checking, cleaning, and replacing the spark plug, including electrode gap adjustment.
Information and procedures related to the ignition module, including its function and testing.
Details on the fixed ignition timing specifications for the electronic magneto ignition system.
Step-by-step instructions for removing and installing the ignition module and associated wiring.
Procedures for removing and installing the spark plug terminal and its associated dust seal and leg spring.
Instructions for cutting, fitting, and connecting the ignition lead, including packing the high voltage output.
Procedures for removing, inspecting, and installing the flywheel, including cleaning and tightening specifications.
Instructions for removing and installing the short circuit wire and ground wire, including grommet replacement.
Procedure for removing and installing the contact spring for the stop switch mechanism.
Guidance on routine maintenance for the rewind starter, addressing stiffness and proper lubrication.
Procedures for accessing and removing the rope rotor and pawl mechanism for maintenance or replacement.
Detailed instructions for replacing the starter rope, including securing the knot and fitting the rope rotor.
Instructions for replacing the rewind spring, including handling precautions and proper seating of components.
Procedure for correctly tensioning the rewind spring to ensure proper starter operation.
Instructions for replacing the starter rope guide bush, addressing wear and proper installation using tools.
Procedures for repairing the AV handle system, focusing on the replacement of damaged anti-vibration buffers.
Information and procedures related to the front handle assembly.
Detailed steps for removing and installing the complete handle housing, including associated components.
Procedures for removing and installing the switch shaft and its associated multi-function operating lever.
Instructions for removing and installing the interlock lever and throttle trigger assembly.
Procedures for removing, cleaning, and installing the suction hose and pickup body of the chain lubrication system.
Instructions for removing and installing the vent valve in the oil tank, ensuring proper pressure equalization.
Detailed steps for removing and installing the oil pump, including worm and spring replacement.
Procedures for servicing the oil pump, including cleaning parts, replacing O-rings, and fitting new components.
Instructions for removing, cleaning, and replacing the air filter to ensure optimal engine performance.
Detailed steps for removing and installing the all-position diaphragm carburetor, including fuel hose disconnection.
Procedure for testing the carburetor for leaks using a pressure tester to identify faulty components.
Procedures for servicing the Zama and Walbro carburetors, including fuel pump checks and diaphragm replacement.
Guidance on adjusting the carburetor's high and low speed screws for optimal engine performance.
Information on the automatic choke system, its operation, and components.
Explanation of how the automatic choke system operates, utilizing cylinder temperature and pressure variations.
Troubleshooting flowchart for diagnosing issues with the automatic choke system and related components.
Procedures for testing the automatic choke's functionality based on control valve temperature and crankshaft revolutions.
Instructions for testing the engine housing and control valve for leaks, requiring interruption of air connections.
Procedure for testing the control valve's functionality when removed from the machine using vacuum and pressure tests.
Procedure for checking the bellows for leaks using a pressure gauge, either installed or removed from the machine.
Instructions for removing the foam filter and polymer sintered filter from the air filter box.
Specific steps for carburetor removal and installation related to the automatic choke system.
Procedures for removing and installing the lever system components on the carburetor for the automatic choke.
Instructions for removing and installing the throttle shaft and choke shaft, including torsion spring replacement.
Procedures for removing and installing the hose and connector for the control valve system.
Instructions for removing and installing the control valve, including O-ring replacement and testing.
Procedures for removing and installing the bellows, including O-ring lubrication and proper seating.
Instructions for removing, cleaning, and installing the tank vent to ensure correct carburetor operation.
Procedures for checking and cleaning the fuel pickup body and fuel hose, addressing fuel starvation issues.
Instructions for replacing the fuel tank, including removal of related components like the engine and chain tensioner.
A list of special tools and their part numbers required for servicing the chainsaw.
A list of servicing aids, such as lubricants, sealants, and cleaning agents, with their part numbers.
General