Makita ELM3720

Makita ELM3720 Electric Mower User Manual

Model: ELM3720 | Brand: Makita

1. Introduction

This manual provides essential information for the safe and efficient operation, assembly, maintenance, and troubleshooting of your Makita ELM3720 Electric Mower. Please read this manual thoroughly before using the product to ensure proper handling and to prevent injury or damage.

2. Safety Instructions

Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury. Keep this manual for future reference.

General Safety

  • Read all instructions carefully before operation.
  • Wear appropriate personal protective equipment (PPE), including eye protection, sturdy footwear, and long trousers.
  • Keep children and bystanders away from the operating area.
  • Do not operate the mower in wet conditions or rain.

Electrical Safety

  • Ensure the power supply matches the specifications on the mower's rating plate.
  • Use only extension cords suitable for outdoor use and rated for the mower's power requirements.
  • Inspect the power cord for damage before each use. Do not use if damaged.
  • Always disconnect the power supply before cleaning, maintenance, or if the mower is left unattended.

Operation Safety

  • Clear the area of debris (stones, sticks, wires) before mowing.
  • Never place hands or feet near rotating parts.
  • Mow across the face of slopes, never up and down. Exercise extreme caution when changing direction on slopes.
  • Do not lift or carry the mower while the motor is running.

3. Package Contents

Verify that all items are present and undamaged upon unpacking:

  • Makita ELM3720 Electric Mower Main Unit
  • Grass Collection Box (assembly required)
  • Handle Assembly (upper and lower sections)
  • Cable Clips
  • User Manual

4. Setup and Assembly

Follow these steps to assemble your Makita ELM3720 Electric Mower:

4.1 Handle Assembly

  1. Attach the lower handle section to the mower body using the provided bolts and knobs. Ensure it is securely fastened.
  2. Connect the upper handle section to the lower handle section. Secure with the quick-release levers or bolts.
  3. Route the power cable along the handle and secure it with the cable clips to prevent snagging.
Makita ELM3720 Electric Mower with handle partially assembled

The Makita ELM3720 Electric Mower with its handle assembly partially attached, showing the main body and grass collection bag.

Fully assembled Makita ELM3720 Electric Mower

The fully assembled Makita ELM3720 Electric Mower, ready for operation, showcasing its compact design.

Side view of assembled Makita ELM3720 Electric Mower

Side view of the Makita ELM3720 Electric Mower, highlighting the handle and grass collection bag.

Close-up of the handle adjustment mechanism on Makita ELM3720

Close-up of the handle adjustment mechanism on the Makita ELM3720 Electric Mower, indicating how to fold or adjust the handle for storage or use.

4.2 Grass Collection Box Assembly

  1. Assemble the grass collection box according to the diagrams in the separate assembly sheet (if provided).
  2. Lift the rear discharge flap of the mower and hook the grass collection box onto the mower body. Ensure it is securely seated.
Detachable grass collection box for Makita ELM3720

The detachable grass collection box for the Makita ELM3720 Electric Mower, featuring the Makita logo.

Grass collection box attached to Makita ELM3720

The grass collection box attached to the rear of the Makita ELM3720 Electric Mower.

5. Operating Instructions

5.1 Adjusting Cutting Height

The Makita ELM3720 offers 3 cutting height positions. To adjust, locate the height adjustment lever on the side of the mower body. Move the lever to the desired position (1, 2, or 3) to raise or lower the cutting blade.

Close-up of the cutting height adjustment lever on Makita ELM3720

Close-up of the cutting height adjustment lever on the Makita ELM3720 Electric Mower, with settings indicated by numbers.

5.2 Starting the Mower

  1. Ensure the mower is on a flat, stable surface.
  2. Connect the mower's power cord to a suitable outdoor extension cord, and then to a grounded power outlet.
  3. Press and hold the safety button on the handle.
  4. While holding the safety button, pull the switch lever towards the handle. The motor will start.
  5. Release the safety button once the motor is running.
Detail of the power switch and control handle on Makita ELM3720

Detail of the power switch and control handle on the Makita ELM3720 Electric Mower, showing the safety button and power lever.

5.3 Mowing Techniques

  • Mow in straight, overlapping lines to ensure even coverage.
  • Avoid overloading the motor by cutting excessively long or wet grass. Raise the cutting height if necessary.
  • Regularly check and empty the grass collection box to maintain optimal performance.

6. Maintenance

Regular maintenance ensures the longevity and safe operation of your mower. Always disconnect the power supply before performing any maintenance.

6.1 Cleaning

  • After each use, clean the mower deck and grass collection box.
  • Use a brush or damp cloth to remove grass clippings and dirt. Do not use water jets or high-pressure cleaners.
  • Ensure all ventilation openings are clear of debris.

6.2 Blade Care

Inspect the cutting blade regularly for sharpness and damage. A dull or damaged blade can lead to poor cutting performance and increased motor strain.

Underside view of Makita ELM3720 showing rotary cutting blade

Underside view of the Makita ELM3720 Electric Mower, showing the rotary cutting blade and wheel assembly.

  • If the blade is dull, it can be sharpened by a qualified service technician.
  • If the blade is bent or cracked, it must be replaced immediately with a genuine Makita replacement blade.

6.3 Storage

  • Clean the mower thoroughly before storing.
  • Fold the handle for compact storage (refer to Section 4.1).
  • Store the mower in a dry, secure place, out of reach of children.

7. Troubleshooting

Refer to this section for common issues and their solutions.

ProblemPossible CauseSolution
Mower does not startNo power supply
Safety button/lever not engaged
Thermal overload activated
Check power connection and outlet
Ensure safety button is pressed before pulling lever
Allow mower to cool down for 15-20 minutes
Poor cutting performanceDull or damaged blade
Grass collection box full
Cutting height too low for grass type
Sharpen or replace blade
Empty grass collection box
Adjust cutting height higher
Excessive vibrationDamaged or unbalanced blade
Loose components
Inspect blade for damage; replace if necessary
Check all fasteners and tighten as needed

If the problem persists after attempting these solutions, please contact Makita customer support.

8. Specifications

FeatureDetail
BrandMakita
ModelELM3720
Power SourceCorded Electric
MaterialPlastic
Colorr.blue
StyleRotary
Item Weight11.6 Kilograms (25.5 pounds)
Cutting Width39 Centimeters
Number of Cutting Positions3
Operation ModeAutomatic
UPC088381859127
ManufacturerMAKITA
Product Dimensions52.36 x 163.39 x 350.39 inches

9. Warranty and Support

Makita products are manufactured to high quality standards. For information regarding warranty coverage, service, or technical support, please refer to the warranty card included with your product or visit the official Makita website. Keep your purchase receipt as proof of purchase.

For further assistance, you may contact Makita customer service directly via their official channels.

© 2024 Makita Corporation. All rights reserved.

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