Makita DCS 520 Chainsaw Manual

The Makita DCS 520 is a powerful chainsaw designed for professional use, featuring a 50.2cc engine, a 20-inch guide bar, and advanced safety features. It is ideal for cutting firewood, felling trees, and other demanding tasks. Below are key sections for safety, features, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Operation Instructions 4. Specifications 5. Maintenance 6. Troubleshooting

Features at a Glance

Key components: 50.2cc engine, 20-inch guide bar, automatic chain lubrication, adjustable oil flow, and ergonomic handle design.

Feature	Description
Engine	Powerful 50.2cc 2-stroke engine for high performance
Guide Bar	20-inch guide bar for efficient cutting
Chain Lubrication	Automatic lubrication system for smooth operation
Weight	Lightweight design for easy handling
Safety Features	Chain brake, throttle lock, and anti-vibration system

Safety Information

Always wear appropriate safety gear, including gloves, goggles, and hearing protection. Read the manual thoroughly before operation.

Inspect the chainsaw before use.
Ensure the chain is properly tensioned.
Keep bystanders at a safe distance.
Never operate in wet conditions.

WARNING! Failure to follow safety instructions may result in serious injury.

Operation Instructions

To start the chainsaw, follow these steps:

Ensure the chainsaw is on a stable surface.
Engage the chain brake.
Prime the fuel bulb.
Pull the starter cord to start the engine.
Release the chain brake to begin cutting.

CAUTION! Always maintain a firm grip and be aware of your surroundings.

Specifications

Engine Displacement: 50.2cc
Power Output: 3.5 HP
Guide Bar Length: 20 inches
Fuel Tank Capacity: 0.5 liters
Chain Oil Capacity: 0.25 liters
Weight: 5.5 kg
Chain Speed: 13.5 m/s

Maintenance

Regular maintenance is essential for optimal performance:

Clean the air filter regularly.
Check and adjust chain tension.
Sharpen the chain as needed.
Inspect the guide bar for wear.

CAUTION! Always disconnect the spark plug before performing maintenance.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Chainsaw won't start	Fuel issue	Check fuel level and quality; ensure choke is set correctly.
Chain not moving	Chain tension	Adjust chain tension; check for obstructions.
Excessive vibration	Worn parts	Inspect and replace worn components.
Oil leaking	Seal damage	Inspect seals and replace if necessary.

Reset: Refer to the manual for reset procedures if applicable.

Service: For assistance, contact Makita customer service.