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Makita UC3551A - User Manual

Makita UC3551A
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ENGLISH (Original instructions)
INSTRUCTION MANUAL
DOUBLE INSULATION
IMPORTANT: Read Before Using.
Electric Chain Saw
UC3050A
UC3550A
UC4050A
UC4550A
UC3051A
UC3551A
UC4051A
UC4551A
014371

Questions and Answers

  • C
    Crystal MontoyaAug 20, 2025
    Why my Makita Chainsaw chain does not start?
    • A
      amanda12Aug 20, 2025
      If the chain of your Makita Chainsaw does not run, the chain brake might be engaged. In this case, release the chain brake.
  • K
    Kristina FloresAug 22, 2025
    What to do if my Makita UC3551A Chainsaw does not start?
    • B
      Brandon ParksAug 22, 2025
      If your Makita Chainsaw does not start, it could be due to a few reasons. First, ensure that the chainsaw is properly connected to a power supply and that the power supply is working. If the cable is defective or there is a tool malfunction, stop using the tool immediately.
  • J
    Jennifer QuinnAug 25, 2025
    Why my Makita Chainsaw does not start?
    • J
      Joshua SmithAug 25, 2025
      Your Makita Chainsaw might not be starting due to several reasons. First, ensure it is properly connected to a working power supply, and check the power supply itself. If the cable is defective or the tool has malfunctioned, stop using it immediately and seek assistance from your local authorized service center.
  • E
    Erica KennedyAug 26, 2025
    Why is there no oil on the chain of my Makita UC3551A?
    • J
      jonathanjohnstonAug 26, 2025
      If there's no oil on the chain of your Makita Chainsaw, possible causes include an empty oil tank, a dirty oil guide groove, or an incorrectly adjusted oil pump adjusting screw. To resolve this, fill the oil tank, clean the groove, or adjust the oil pump feed rate.
  • J
    John CrawfordAug 27, 2025
    What to do if the chain of my Makita UC3551A Chainsaw does not run?
    • C
      Christopher WilliamsAug 28, 2025
      If the chain of your Makita Chainsaw does not run, it's possible that the chain brake is engaged. To fix this, release the chain brake.
  • T
    Tracy EdwardsAug 29, 2025
    What to do if Makita UC3551A chain does not stop when the chain brake is engaged?
    • T
      Tony TranAug 29, 2025
      If the chain on your Makita Chainsaw does not stop even when the chain brake is engaged, it indicates that the brake band is worn down. Stop using the tool immediately.
  • B
    bthomasAug 31, 2025
    What to do if no oil on the chain of my Makita Chainsaw?
    • D
      Dana PerezAug 31, 2025
      If there is no oil on the chain of your Makita Chainsaw, the oil tank might be empty, so refill it. Another possibility is a dirty oil guide groove, which you should clean. Finally, check the oil pump adjusting screw and adjust the oil pump feed rate if it's incorrectly set.
  • D
    Dale EspinozaSep 2, 2025
    What to do if my Makita Chainsaw has no oil on the chain?
    • B
      bjacksonSep 2, 2025
      If there is no oil on the chain of your Makita Chainsaw, the oil tank might be empty. Refill the oil tank. Alternatively, the oil guide groove could be dirty, in which case you should clean the groove. Finally, the oil pump adjusting screw might not be correctly adjusted, so adjust the oil pump feed rate.
  • A
    Ashley WilliamsSep 4, 2025
    What to do if my Makita UC3551A vibrates abnormally?
    • V
      vanessa02Sep 4, 2025
      If your Makita Chainsaw is vibrating abnormally, it could be due to a loose guide bar or saw chain, or a tool malfunction. Try adjusting the guide bar and saw chain tension. If the issue persists, stop using the tool immediately.
  • D
    david52Sep 6, 2025
    What to do if chain does not stop even the chain brake is engaged on my Makita Chainsaw?
    • T
      tanner50Sep 6, 2025
      If the chain on your Makita Chainsaw continues to run even when the chain brake is engaged, it could be due to a worn-down brake band. In this case, stop using the tool immediately and consult your local authorized service center. Alternatively, the guide bar or saw chain might be loose; in this case, adjust the tension of the guide bar and saw chain.

Summary

SPECIFICATIONS

Symbols

Displays graphical symbols used for safety and operation of the chain saw.

Intended use

Clarifies the specific purpose and application for which the tool is designed.

Power supply

Outlines the electrical requirements and connection guidelines for the tool.

General Power Tool Safety Warnings

Work area safety

Provides guidelines for maintaining a safe and organized working environment.

Electrical safety

Details precautions to prevent electric shock and ensure safe electrical connections.

Personal safety

Covers operator alertness, protective gear, and safe handling practices.

Power tool use and care

Best practices for operating and maintaining the power tool safely.

Chain saw safety warnings

Specific safety instructions and precautions for operating a chain saw.

ADDITIONAL SAFETY RULES

Proper use

Instructions on correct application and limitations of the chain saw usage.

Personal protective equipment

Essential protective gear required for safe operation of the chain saw.

Protection against electric shock

Measures to prevent electrical hazards and ensure user safety.

Safe working practices

General guidelines for safe operation and avoiding common hazards.

Kickback

Explains kickback causes, prevention methods, and operator response for chain saws.

Safety features

Chain brake

Description of the chain brake mechanism and its function in stopping the chain.

Run-down brake

Explanation of the run-down brake for immediate chain stoppage after switch release.

Transport and storage

Guidelines for safe handling, transport, and storage of the chain saw.

Maintenance

Routine checks and upkeep procedures necessary for the tool's longevity.

First aid

Procedures to follow and information to provide in case of an accident.

DESIGNATION OF PARTS

ASSEMBLY

Removing or installing sprocket cover

Step-by-step instructions to remove and install the sprocket cover.

Removing or installing saw chain

Instructions for detaching and attaching the saw chain to the guide bar.

Adjusting saw chain tension

Engaging extension cord

How to properly connect and secure an extension cord to the tool.

OPERATION

Switch action

How to operate the switch trigger and lock-off button for starting/stopping.

Lubrication

Procedure for lubricating the saw chain and bar for optimal performance.

CHECKS

Checking the chain tension

How to verify and adjust the saw chain tension for safety and performance.

Checking the switch action

Verifying the proper functioning of the switch trigger before use.

Checking the chain brake

Checking the chain oiler

How to check the oil level and delivery for proper chain lubrication.

Adjusting the chain lubrication

How to adjust the oil pump feed rate for optimal lubrication.

WORKING WITH THE CHAIN SAW

Bucking

Limbing

Techniques and safety precautions for cutting branches from a felled tree.

Burrowing and parallel-to-grain cuts

Special cutting techniques requiring caution and training due to kickback risk.

Felling

Procedures and safety guidelines for cutting down trees, including escape paths.

MAINTENANCE

Cleaning the chain saw

Instructions for cleaning the chain saw body, handles, and components.

Checking the plastic housing

Inspecting the tool's housing for any signs of damage or wear.

Sharpening the saw chain

File and file guiding

Method for sharpening the saw chain using a file and proper guiding techniques.

Cleaning the oil guide

New saw chains

Recommendations for using and maintaining new saw chains for even wear.

Maintaining the chain and run-down brakes

Ensuring proper function of the chain and braking systems through regular checks.

Replacing carbon brushes

Storing tool

Proper procedures for storing the chain saw for extended periods to preserve oil quality.

TROUBLE SHOOTING

OPTIONAL ACCESSORIES

List of recommended accessories and attachments for the chain saw.

Makita UC3551A Specifications

General IconGeneral
Power sourceAC
Idle speed7500 RPM
Chain gauge1.3 mm
Chain pitch3/8 \
Chain speed14.5 m/s
Blade length320 mm
Product colorBlack, Turquoise
Automatic oilingYes
Chain bar length350 mm
Oil tank capacity0.2 L
Kickback protection-
Noise level101.8 dB
Uncertainty K1.5 m/s²
Standard deviation2.5 dB
Vibration emission3.9 m/s²
Sound pressure level90.8 dB
Weight and Dimensions IconWeight and Dimensions
Width201 mm
Height220 mm
Length505 mm
Weight5500 g

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