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Instruction Manual
Original Instruction Manual
Read this instruction manual carefully before putting the chain saw into operation and strictly observe the
http://www.dolmar.com
Important:
safety regulations!
Keep this instruction manual!
PS-350 S, 350 SC
PS-420 S, 420 SC

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Summarization of Contents

Safety Precautions
Intended Use
Defines the intended uses for power chain saws, including professional and hobbyist applications.
General Precautions
Outlines essential user precautions for safe operation and handling of the chain saw.
Protective Equipment
Details the mandatory personal protective equipment (PPE) required for operating the chain saw.
Kickback
Working Behavior and Method of Working
Guides on proper working techniques, awareness of surroundings, and safe posture during operation.
Putting into Operation: Basic Steps
Mounting the Guide Bar and Saw Chain
Details the process of fitting the guide bar and saw chain onto the chainsaw.
Tightening the Saw Chain
Explains how to adjust the tension of the saw chain for proper operation.
Checking the Chain Tension
Describes how to verify and maintain the correct tension of the saw chain.
Retightening the Saw Chain
Provides instructions for adjusting the chain tension when it becomes loose.
Putting into Operation: QuickSet Guide Bar
Mounting the Guide Bar and Saw Chain
Details fitting the guide bar and saw chain for QuickSet models.
Tensioning the Saw Chain
Explains how to adjust the chain tension using the QuickSet mechanism.
Checking and Retensioning Chain
Describes how to verify and adjust chain tension on QuickSet models.
Putting into Operation: Quick Tensioner Sprocket Guard
Mounting the Guide Bar and Saw Chain
Details fitting the guide bar and saw chain for quick tensioner models.
Tightening the Saw Chain
Explains how to adjust the chain tension using the quick tensioner mechanism.
Checking and Retensioning Chain
Describes how to verify and adjust chain tension on quick tensioner models.
Chain Brake
Engaging the Chain Brake (Braking)
Explains how to manually engage the chain brake for safety.
Releasing the Chain Brake
Details the procedure for disengaging the chain brake before operation.
Fuel
Chain Oil
Discusses the importance and types of chain oil for lubrication and environmental considerations.
Important Note on Bio-degradable Chain Oils
Offers advice on storing and using bio-degradable chain oils to prevent residue buildup.
Never Use Waste Oil
Warns against the use of waste oil due to environmental and mechanical risks.
Avoid Skin and Eye Contact
Provides precautions regarding skin and eye contact with mineral oil products.
Refuelling
Details the safety precautions and steps for refuelling the chain saw with fuel and oil.
Lubricating the Chain
Explains the importance of sufficient chain oil for lubrication and how to refill the oil tank.
Starting the Engine
Cold Start
Provides step-by-step instructions for starting the engine from a cold state.
Warm Start
Details the procedure for starting the engine when it is already warm.
Stopping the Engine
Explains how to safely shut down the engine.
Adjusting the Carburetor
Adjusting the Idle Speed
Details how to adjust the engine's idle speed for optimal performance.
Maintenance Tasks
Sharpening the Saw Chain
Explains the importance and methods for keeping the saw chain sharp.
Files and How to Work With Them
Details the types of files and techniques for sharpening the saw chain correctly.
Cleaning the Inside of the Sprocket Guard
Instructs on cleaning the internal components of the sprocket guard.
Cleaning the Guide Bar
Explains how to clean and maintain the guide bar for optimal performance.
Replacing the Saw Chain
Provides steps for safely removing and installing a new saw chain.
Cleaning the Air Filter
Details the procedure for cleaning or replacing the air filter for proper engine function.
Replacing the Spark Plug
Guides on how to replace the spark plug for engine ignition.
Checking the Ignition Spark
Explains how to test for a proper ignition spark.
Checking the Muffler Screws
Advises checking and tightening muffler screws for safety and performance.
Replacing Starter Cable, Spring Pack, or Spring
Covers replacing the starter cable, return spring pack, and starter spring.
Mounting the Fan Housing
Details the process of installing the fan housing.
Cleaning Air Filter/Fan Compartment
Explains cleaning the areas around the air filter and the fan housing.
Cleaning the Cylinder Fins
Guides on cleaning the engine's cylinder fins for cooling.
Replacing the Suction Head
Advises on replacing the suction head to ensure unimpeded fuel flow.
Service, Spare Parts, and Guarantee
Maintenance and Repair
Discusses requirements for maintenance and repair, emphasizing professional service.
Spare Parts
Advises on using original DOLMAR spare parts for reliability and safety.
Guarantee
Outlines the terms and conditions of the product guarantee and exclusions.

Table of Contents