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General| Engine displacement | 66.7 cc |
|---|---|
| Weight | 6.2 kg (without cutting equipment) |
| Fuel tank volume | 0.75 liters |
| Oil tank volume | 0.4 liters |
| Chain pitch | 3/8 inch |
| Bar length | 40-70 cm (16-28 in) |
Manual purpose and scope.
Manual currency and service announcements.
Required service tools and usage.
Explanation of manual structure and diagrams.
Importance of safety precautions and warning symbols.
Intended audience and required knowledge.
Explanation of manual usage for repairs.
Steps for repairing individual components.
Procedure for complete disassembly and reassembly.
General safety advice for workshops and personnel.
Specific safety warnings and precautions for operation.
Lists general tools applicable to all models.
Lists specific tools for models 36 and 41.
Lists specific tools for models 40, 45, 51, and 55.
Lists specific tools for models 42, 242, and 246.
Lists specific tools for models 254, 257, and 262.
Lists specific tools for models 61, 268, and 272.
Lists specific tools for models 281 and 288.
Lists specific tools for models 394 and 3120.
Service data and diagrams for models 36 and 41.
Service data and diagrams for models 42, 242, and 246.
Service data and diagrams for models 40 and 45.
Service data and diagrams for models 51 and 55.
Service data and diagrams for models 254 and 257.
Service data and diagrams for model 262.
Service data and diagrams for models 61, 268, and 272.
Service data and diagrams for models 281 and 288.
Service data and diagrams for model 394.
Service data and diagrams for model 3120.
Overview of troubleshooting categories and common faults.
Common problems and causes for difficult starting.
Problems related to engine idling at low speeds.
Problems related to engine performance at high speeds.
Faults during acceleration and throttle release.
Procedures for specific component testing.
Procedures for dismantling, cleaning, assembly, and checking the chain brake.
Description and replacement procedure for the chain catcher.
Procedures for dismantling the muffler, including for specific saw models.
Procedures for dismantling, checking resistance, and assembling the stop switch.
Procedures for dismantling the throttle lock mechanism on various saw models.
Steps for dismantling the starter unit and cord.
Cleaning and checking starter components for wear or damage.
Procedure for replacing the starter ferrule.
Instructions for assembling the starter unit with new springs or cords.
Procedures for checking, dismantling, and removing the ignition module.
Description of electric handle heating components and troubleshooting.
Procedures for checking generator, loops, and switch resistance.
Steps for dismantling the centrifugal clutch, including for different spring types.
Cleaning and inspecting clutch shoes, hub, and bearings.
Instructions for assembling the centrifugal clutch with shoes and springs.
Procedures for dismantling the oil pump for various saw models.
Cleaning and inspecting lubrication system components.
Steps for assembling the oil pump's worm gear.
Steps for assembling the oil pump unit for various models.
Overview of the carburettor's function and its three main sub-systems.
Explanation of carburettor function in different operating modes.
Procedures for general carburettor dismantling and plug removal.
Information on the semi-fixed jet and its screen.
Dismantling instructions for the Tillotson HS 228 B carburettor.
Dismantling instructions for the Tillotson HS 255 B carburettor.
Dismantling instructions for the Tillotson HS 260 A carburettor.
Dismantling instructions for Walbro HDA/HD carburettors.
Dismantling instructions for the Walbro WJ carburettor.
Dismantling instructions for the Walbro WG carburettor.
Dismantling instructions for the Walbro WT carburettor.
Dismantling instructions for the ZAMA C1Q-EL1 carburettor.
General cleaning and inspection procedures for carburettors.
Reassembly of the carburettor and its plugs.
Reassembly of the semi-fixed jet and screen.
Assembly instructions for the Tillotson HS 228 B carburettor.
Assembly instructions for the Tillotson HS 255 B carburettor.
Assembly instructions for the Tillotson HS 260 A carburettor.
Assembly instructions for Walbro HDA/HD carburettors.
Assembly instructions for the Walbro WJ carburettor.
Assembly instructions for the Walbro WG carburettor.
Assembly instructions for the Walbro WT carburettor.
Assembly instructions for the ZAMA C1Q-EL1 carburettor.
Carburettor pressure testing and refitting procedures.
Cleaning and oiling procedures for the prefilter.
Replacement/cleaning procedure for the main filter.
Procedures for dismantling the tank unit and fuel pipe.
Cleaning and checking tank unit components for damage or blockages.
Steps for fitting a new fuel pipe and assembling the tank unit.
Procedures for dismantling the anti-vibration system for various saw models.
Steps for fitting the anti-vibration system's components.
Procedures for dismantling the piston and cylinder assembly.
Cleaning and checking piston, cylinder, and bore for wear or damage.
Procedure for pressure testing the decompression valve.
Common faults related to pistons and rings and their causes.
Steps for assembling the piston, cylinder, and related parts.
Procedure for pressure testing the crankcase and cylinder.
Procedures for splitting the crankcase, listing parts to remove.
Steps for removing crankshaft bearings from the crankcase.
Cleaning and checking crankcase halves for damage and play.
Steps for fitting bearings, seals, and assembling crankcase halves.
Procedure for changing bar bolts on all saws except 40 and 45.
Procedures for changing seals without splitting the crankcase.
Instructions for fitting seals in the oil pump, flange, and crankcase.
Specifications for seal placement on the starter side of the crankcase.
Specifications for seal placement on the clutch side of the crankcase.
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