Jonsered CS 2245 II User Manual

CS 2245 II, CS 2245S II, CS 2250S II
EN Operator's manual 2-36

Jonsered CS 2245 II Specifications

General

Engine type	2-stroke
Engine displacement	45.7 cm³
Power output	2.1 kW
Weight (excl. cutting equipment)	4.9 kg
Fuel tank volume	0.45 liters
Oil tank volume	0.26 liters
Chain pitch	0.325 inch
Chain gauge	0.05 in

Summary

Introduction

Intended Use

Defines the product's purpose for sawing wood, noting regulatory limits.

Product Description

Overview of Jonsered CS 2245 II, CS 2245S II, CS 2250S II chainsaw models with combustion engines.

Product Overview Diagram

Illustrated diagram identifying major components of the chainsaw, with numbered parts.

Symbols on the Product

Safety Symbols and Warnings

Explains warning, caution, and note symbols, and mandatory PPE for safe operation.

Safety

Safety Definitions and General Rules

Defines warning types and provides general safety instructions for chainsaw use and modifications.

Safety Instructions for Operation

Details critical operational safety guidelines, including kickback avoidance and weather conditions.

Personal Protective Equipment

Lists essential PPE like helmets, hearing protection, glasses, gloves, and boots for chainsaw operation.

Safety Devices on the Product

Describes the function and importance of chain brake, throttle lockout, and chain catcher.

Component Safety Features

Explains safety aspects of right hand guard, muffler, vibration damping, and start/stop switch.

Fuel Safety Precautions

Guidance on safe handling of fuel and awareness of associated risks.

Cutting Equipment and Maintenance Safety

Outlines safety precautions for cutting equipment and maintenance procedures.

Assembly

Guide Bar and Saw Chain Assembly

Step-by-step guide for assembling the guide bar and saw chain on standard models.

Guide Bar and Saw Chain Assembly (Specific Models)

Specific instructions for assembling the guide bar and saw chain on CS 2245S II and CS 2250S II models.

Operation

Pre-Operation Function Check

Essential checks of the chainsaw's functions and components before starting operation.

Fuel and Premixed Fuel Handling

Instructions on using correct fuel types and premixed fuel for the chainsaw.

Mixing and Filling Fuel

Detailed guide on mixing gasoline and two-stroke oil and filling the fuel tank safely.

Chain Oil Usage and Filling

Guidance on using the correct chain oil and filling the chain oil tank for proper lubrication.

Kickback Information

Understanding Kickback Causes and Prevention

Explains kickback, its causes, and how to prevent it to reduce injury risk.

Common Kickback Questions

Addresses frequently asked questions regarding chain brake engagement during kickback.

Starting the Product

Cold Engine Starting Procedure

Step-by-step instructions for starting the chainsaw with a cold engine, including choke use.

Warm Engine Starting Procedure

Instructions for starting the chainsaw with a warm engine, focusing on safety and proper technique.

Cutting Techniques

Pull Stroke and Push Stroke Cutting

Describes two primary cutting methods (pull and push stroke) for efficient wood cutting.

Stopping the Engine and Cutting Technique

Instructions on how to safely stop the engine and general advice on cutting techniques.

Trunk Cutting Methods

Details on cutting trunks on the ground, supported, and using the spiked bumper for stability.

Limbing Technique

Guidance on safely removing branches from a trunk, emphasizing cutting one limb at a time.

Tree Felling

Safe Distance and Felling Direction Calculation

Procedures for establishing safe distances and determining the tree's felling direction.

Directional Cuts and Felling Hinge

Explains how to make directional cuts and the importance of the felling hinge.

Safe Corner Method and Trapped Trees

Details the safe corner method and procedures for freeing trapped trees.

Specialized Cutting & Operation

Cutting Tensioned Trees and Branches

Techniques for safely cutting trees or branches under tension to prevent accidents.

Product Use in Cold Weather

Advice on operating the chainsaw in cold weather, including air intake adjustments.

Maintenance Schedule

Daily, Weekly, and Monthly Maintenance Tasks

Overview of routine maintenance checks categorized by frequency.

Safety Device Maintenance Checks

Details procedures for checking safety device functionality and condition.

Component-Specific Safety Checks

Checks for brake band, front hand guard, and chain brake activation.

Throttle, Chain Catcher, and Guard Checks

Checks for throttle trigger, chain catcher, and right hand guard functionality.

Vibration, Start/Stop, Muffler Checks & Idle Adjustment

Checks for vibration damping, start/stop switch, muffler, and idle speed adjustment.

Carburetor, Starter Rope, and Recoil Spring Maintenance

Steps for carburetor checks, starter rope replacement, and recoil spring tightening.

Air Filter, Spark Plug, and Chain Sharpening Basics

Maintenance for air filter, spark plug, and initial steps for saw chain sharpening.

Guide Bar, Chain Specs, and Cutter Sharpening Info

Information on guide bar/chain specifications and general cutter sharpening techniques.

Cutter Sharpening and Depth Gauge Adjustment

Instructions for sharpening cutters and adjusting the depth gauge setting.

Saw Chain Tension Adjustment

Detailed steps for adjusting saw chain tension on various models.

Sprocket, Bearing, and Cutting Equipment Checks

Maintenance for spur sprocket, needle bearing lubrication, and cutting equipment examination.

Guide Bar Checks and System Cleaning

Procedures for checking the guide bar, tank maintenance, and cleaning air/cooling systems.

Troubleshooting

Engine Not Starting Issues

Lists possible causes and solutions when the engine fails to start.

Engine Stopping Issues

Identifies causes and actions for when the engine starts but then stops.

Transportation and Storage

Safe Transportation and Storage Practices

Guidelines for safely transporting and storing the chainsaw and its fuel.

Long-Term Storage Preparation

Steps to prepare the product for extended periods of storage.

Technical Data

Engine and Performance Specifications

Details on engine displacement, speed, power, and noise emissions for different models.

Vibration, Chain, and Bar Specifications

Data on vibration levels, saw chain/guide bar dimensions, and recommended cutting equipment.

Accessories and Specifications

Low Kickback Chains and Bar Radius

Information on low kickback chains and guide bar nose radius specifications.

Filing Equipment and Angles

Details on Jonsered file gauges and recommended filing angles for saw chains.

EC Declaration of Conformity

Conformity Statement and Applied Standards

Declaration of compliance with EU directives and list of applied standards.