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GreenWorks GCS80421 User Manual

GreenWorks GCS80421
42 pages
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Read all safety rules and instructions carefully before operating this tool.
Owners Manual
TOLL-FREE HELPLINE: 1-888-90WORKS
(888.909.6757)
80V CORDLESS BRUSHLESS CHAINSAW
GCS80420
2000002
Some Greenworks Lithium-Ion products are sold with
or without battery and charger.
To order: Battery (2Ah 80V Battery 2901302)
Charger (Model # 2901402)
www.greenworkstools.com
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GreenWorks GCS80421 Specifications

General IconGeneral
Voltage80V
Bar Length18 inches
Chain Speed12 m/s
Weight12.1 lbs
Battery CompatibilityGreenWorks 80V battery
MotorBrushless
Power SourceBattery
Automatic OilerYes
Tool-less Chain TensioningYes
TypeCordless Chainsaw

Summary

Product Specifications

Important Safety Instructions

Work Area Safety

Guidelines for maintaining a safe and clean workspace to prevent accidents during operation.

Electrical Safety

Precautions related to electrical hazards, including proper grounding and avoiding wet conditions.

Personal Safety

Recommendations for operator alertness, protective equipment, and safe starting procedures.

Power Tool Use and Care

Instructions on proper usage, maintenance, and safe storage of power tools.

Chain Saw Safety

Specific safety measures for operating a chain saw, including grip, footing, and handling.

Battery Tool Use and Care

Guidelines for safe charging, handling, and storage of battery packs to prevent hazards.

Safety Information

Kickback

Explanation of kickback phenomenon and precautions to minimize its occurrence during operation.

Understanding Chain Saw Safety Devices

Information on the chain saw's safety features and their proper use.

Low Kickback Saw Chain

Details on the specifications and benefits of using low kickback saw chains.

Symbols

Know Your Chain Saw

Assembly Instructions

Operating Your Chain Saw

Applications

Lists the intended uses for the chain saw, such as limbing, felling, and woodcutting.

Adding Bar and Chain Lubricant

Instructions on how to properly add bar and chain lubricant to the chainsaw for optimal performance.

Battery Pack

Guidance on handling, installing, and charging the lithium-ion battery pack for the chainsaw.

Starting and Stopping the Chain Saw

Step-by-step instructions for safely starting and stopping the chain saw operation.

Operating the Chain Brake

Explanation and procedure for engaging and checking the chain brake mechanism.

Preparing for Cutting

Essential steps before cutting, including proper grip and safety checks.

Proper Grip on Handles

Detailed instructions on how to hold the chain saw securely with both hands for control.

Proper Cutting Stance

Guidance on maintaining balance and body positioning for safe and effective cutting.

Basic Operating/Cutting Procedures

Fundamental techniques for cutting logs, emphasizing technique and pressure.

Work Area Precautions

Safety measures regarding the cutting area, bystanders, and working conditions.

Felling Trees

Important warnings and conditions to consider when felling trees to prevent injury.

Proper Procedure for Tree Felling

Detailed steps and techniques for safely felling trees, including notch and backcut.

Removing Buttress Roots

Instructions for safely removing large buttress roots before felling a tree.

Bucking

Techniques and safety precautions for cutting fallen trees into desired log lengths.

Bucking with a Wedge

How to use a wedge to prevent pinching when bucking logs.

Bucking Logs Under Stress

Specific methods for cutting logs under tension to avoid pinching or binding.

Overbucking

Procedure for cutting a log from the top side.

Underbucking

Procedure for cutting a log from the underside.

Limbing

Instructions for removing branches from a fallen tree safely and efficiently.

Pruning

Techniques for trimming branches from a live tree, emphasizing safety and proper cuts.

Cutting Springpoles

Safety warnings and procedures for cutting springpoles, which can be hazardous.

Maintenance

General Maintenance

Basic cleaning procedures and precautions to protect plastic parts from damage.

Lubrication

Information on the factory lubrication of bearings and the absence of further lubrication needs.

Replacing the Guide Bar and Chain

Detailed instructions and safety precautions for replacing the guide bar and chain assembly.

Adjusting the Chain Tension

Step-by-step guide to properly tension the saw chain for safe and effective operation.

Chain Maintenance

Guidance on maintaining the chain, including sharpening and checking raker clearance.

Sharpening the Cutters

Instructions on how to sharpen chain cutters using a file for optimal performance.

Side Plate Angle

Correct angles for filing side plates to ensure optimal cutting and minimize kickback.

Maintaining the Guide Bar

Procedures for cleaning, reversing, and lubricating the guide bar for maximum life.

Storage

Recommendations for safely storing the chain saw when not in use, including battery removal.

Quick Reference: Chain & Bar Assembly (Chain Tension)

Visual guide summarizing chain and bar assembly and tension adjustment steps.

Troubleshooting

Limited Four-Year Warranty

Exploded View

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