Garden / Lawn Care
Operator's Manual for Husqvarna S 138i & S 138C Lawnmower Aerator
Quick guide for the Husqvarna S 138i and S 138C lawnmower aerator. Includes product overview, assembly, operation, maintenance, and troubleshooting steps for both battery and corded models.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
The Husqvarna S 138i and S 138C are lawnmower aerators (verticutters). The S 138i is a battery-powered model, while the S 138C is a corded electric model. Before operating, ensure you identify your specific model to follow the correct power connection or battery installation procedures.
Product Overview
The product consists of a handle assembly, a control panel, a grass catcher, and a dethatcher unit with spring tines. The work depth is adjustable via a knob on the deck. The S 138i features a battery lid and requires a battery and charger, while the S 138C features a power socket for a cord.
Operation
Starting the product:
- Ensure the grass catcher is properly attached.
- For S 138i: Insert the safety key and a charged battery.
- For S 138C: Connect the power cable to the power socket.
- Push the start inhibitor button and pull the motor brake handle towards the upper handle to start the motor.
SavE Mode (S 138i only):
The product has a battery-saving function (SavE) to extend runtime. Press the SavE button to activate or deactivate this mode.
Maintenance
Cleaning:
- Remove the grass catcher before cleaning.
- Clean the product with a brush or a damp cloth. Do not use a high-pressure washer.
- Keep the air intakes free of debris.
Tine Replacement:
If the spring tines are worn or damaged, they must be replaced. Use the provided hex key to assist with maintenance tasks. Ensure the product is disconnected from the power source (battery removed or power cord unplugged) before performing any maintenance.
Troubleshooting
If the product fails to start, check the power source (battery charge or cable connection). If the product vibrates abnormally, inspect the spring tines for damage or debris. Ensure the work depth is set correctly for the lawn conditions.
Manufacturer information
Husqvarna
Practical help
Common problems
Product does not start
Check if the battery is charged (S 138i) or if the power cable is securely connected (S 138C). Ensure the safety key is inserted (S 138i).
Abnormal vibration
Inspect the spring tines for damage, wear, or debris. Tighten any loose components.
Poor aeration performance
Adjust the work depth knob to a deeper setting or check if the grass catcher is full.
Before use
- Ensure the grass catcher is correctly attached.
- For S 138i: Insert the safety key and a fully charged battery.
- For S 138C: Connect the power cable to the power socket.
- Check that the work depth adjustment knob is set to the desired position.
- Inspect the spring tines for any signs of damage or excessive wear.
Specs in practice
- Start Inhibitor
- A safety button that must be pressed before pulling the motor brake handle to prevent accidental starting.
Images and diagrams
- Page 2 illustrates the S 138i model, highlighting the battery lid, battery, and charger components.
- Page 3 illustrates the S 138C model, highlighting the power socket and cable management features.
Model compatibility
- S 138i requires a compatible Husqvarna battery system.
- S 138C requires a suitable outdoor-rated extension cord.
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.