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Husqvarna S 138C and S 138i Electric Dethatcher User Manual

Quick guide for the Husqvarna S 138C (corded) and S 138i (battery) electric dethatchers. Includes start procedures, safety warnings, maintenance, and equipment usage instructions.

Table of contents

Quick Start Guide

Before operating your Husqvarna dethatcher, ensure you have read the operator's manual and understand all safety instructions. The product is designed for private gardens to remove thatch and moss and to loosen the soil.

Starting the S 138i (Battery Model)

  1. Push the ON/OFF button.
  2. Loosen the start inhibitor.
  3. Push the motor brake handle down.

Starting the S 138C (Corded Model)

  1. Loosen the start inhibitor.
  2. Push the motor brake handle down.

Product Description

The product is a pedestrian-controlled electrical dethatcher. It features two types of dethatcher equipment:

Device parts diagram with labels
Device parts diagram with labels
  • Spring tines: Carefully remove dead grass and thatch without damaging grass roots.
  • Delta blades: Remove thatch and cut grass roots vertically. Recommended for slopes, terraces, and soils with high clay content to improve water drainage.

Safety Information

Warning: Incorrect use can result in injury or death. Keep persons and animals at a safe distance from the work area.

  • Electrical Safety (S 138C): Do not operate the product across the power cord to avoid electrical shock or damage. Disconnect from the electrical outlet before performing maintenance.
  • General Safety: Keep hands and feet away from the rotating blade. Look out for thrown objects and ricochets.
  • Maintenance Safety (S 138i): Always remove the safety key before performing maintenance on the product.

Operation and Maintenance

The product includes an adjustment knob for the work depth to suit your lawn conditions. The grass is collected in a grass catcher or released onto the lawn depending on your setup.

To replace the dethatcher equipment, refer to the specific maintenance section in the full manual. Ensure the product is disconnected from power (S 138C) or the safety key is removed (S 138i) before attempting any maintenance or equipment changes.

Manufacturer information

Husqvarna

Brand profile

Practical help

Common problems

Product does not start

For S 138C, check the power connection. For S 138i, ensure the battery is charged and the safety key is inserted.

Electrical shock risk (S 138C)

Never operate the product across the power cord.

Before use

  • Read the operator's manual thoroughly.
  • Ensure the grass catcher is properly attached.
  • Check the work depth adjustment knob setting.
  • Clear the work area of people and animals.
  • For S 138C, ensure the power cable is clear of the path.

Specs in practice

Spring tines
Used for gentle removal of dead grass and thatch.
Delta blades
Used for vertical root cutting; ideal for slopes and clay-heavy soil.

Images and diagrams

  • Motor brake handle: Used to start and stop the motor.
  • Start inhibitor: Safety mechanism that must be released before the motor can be started.
  • Adjustment knob: Controls the working depth of the dethatcher.

Model compatibility

  • S 138i is a battery-powered model.
  • S 138C is a corded electric model.

Manual page author

Michael Turner

Technical manual editor

Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.