Makita DOLMAR PS-421 Chainsaw Manual

The Makita DOLMAR PS-421 is a powerful chainsaw designed for professional use, featuring a 42cc engine, lightweight design, and advanced safety features. This manual provides essential information on safety, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your chainsaw.

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

Features at a Glance

Key features include a powerful 42cc engine, automatic chain lubrication, and an ergonomic design for comfortable handling.

Feature	Description
Engine	42cc, 2-stroke engine for high performance
Bar Length	16 inches for versatile cutting
Weight	Lightweight design for easy maneuverability
Chain Lubrication	Automatic lubrication system for smooth operation
Safety Features	Chain brake and throttle lock for user safety

Safety Information

Always wear appropriate safety gear, including gloves, goggles, and hearing protection. Ensure the area is clear of obstacles before operating the chainsaw.

Read the manual thoroughly before use.
Inspect the chainsaw for damage before each use.
Keep hands and feet away from the cutting area.
Do not operate in wet conditions.

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

Operation Instructions

To operate the chainsaw, follow these steps:

Check fuel and oil levels before starting.
Start the engine according to the instructions in the manual.
Hold the chainsaw firmly with both hands.
Make smooth, controlled cuts, avoiding sudden movements.

CAUTION! Always be aware of your surroundings while operating the chainsaw.

Specifications

Engine Type: 2-stroke, air-cooled.
Displacement: 42cc.
Bar Length: 16 inches.
Weight: 10.5 lbs.
Fuel Capacity: 0.5 liters.
Oil Capacity: 0.2 liters.
Chain Speed: 13.5 m/s.

Maintenance

Regular maintenance is essential for optimal performance. Follow these guidelines:

Clean the air filter regularly.
Check and adjust the chain tension.
Sharpen the chain as needed.
Inspect the spark plug and replace if necessary.

NOTE: Refer to the manual for detailed maintenance procedures.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel issue	Check fuel level and quality; ensure proper mixture.
Chain not moving	Chain tension	Adjust chain tension; check for obstructions.
Excessive vibration	Worn parts	Inspect and replace worn components.
Oil not dispensing	Clogged oil line	Clean oil line and ensure proper flow.

Service: For further assistance, contact Makita customer service.