Operator's Manual for Husqvarna LC 137i Lawn Mower
Quick guide and user manual for the Husqvarna LC 137i lawn mower. Includes assembly, operation, maintenance, and troubleshooting instructions.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
This manual provides essential information for operating and maintaining your Husqvarna LC 137i lawn mower. Before use, ensure the battery is charged (supplied at 30% capacity) and that you have read the safety chapter. Always remove the battery and turn the safety key to 0 before performing any maintenance or assembly tasks.

Product description
The Husqvarna LC 137i is a pedestrian-controlled rotary lawn mower. It features a grass catcher for collection, or it can be used for rear discharge. A mulch kit (accessory) is available to cut grass into fertilizer.
Assembly
Follow these steps to prepare your mower:



- Handle assembly: Align holes in the handlebar with the lower handle, attach screws, cable clips, and knobs. Tighten knobs fully.
- Grass catcher: Attach the frame to the grass bag with the rigid part at the bottom. Attach the bag to the frame using clips. Mount the catcher to the chassis.
- Mulch plug: Lift the rear cover, remove the grass catcher, and insert the mulch plug into the discharge channel.
Operation
To operate the mower:
- Starting: Open the battery lid, insert a charged battery, turn the safety key to 1, release the start inhibitor, and push the motor brake handle toward the handlebar.
- SavE™ function: Use this for longer operation time. Push the SavE™ button to position 1 to start.
- Stopping: Release the motor brake handle, open the battery lid, and turn the safety key to 0.
Maintenance
Regular maintenance is crucial for safety and performance:


- General inspection: Check that nuts and screws are tightened.
- Cleaning: Clean plastic parts with a dry cloth. Do not use water or high-pressure washers.
- Cutting equipment: Inspect the blade for damage or bluntness. If damaged, replace the blade. Always balance the blade after sharpening.
Troubleshooting
If the mower does not operate correctly, check the error LED on the battery or the warning indicator under the battery lid. Common issues include a blocked blade (5 flashes), motor overload (3 flashes), or incorrect start procedure (12 flashes). Refer to the troubleshooting section for specific solutions.
Technical data
The mower features a 36V BLDC (brushless) motor. Cutting height is adjustable between 25-75 mm, and the cutting width is 37.5 cm. The grass catcher capacity is 40 liters.
Manufacturer information
Husqvarna
Practical help
Common problems
Turn safety key to 0, remove battery, wait 5 seconds, remove obstacle, and ensure blade rotates freely.
Increase the cutting height.
Ensure battery is inserted correctly and check the battery connector.
Release the motor brake handle, wait 5 seconds, and push the handle down again to start.
Before use
- Check blade and blade assembly for wear or damage
- Check grass catcher for wear or deterioration
- Ensure safety key is in position 0 before maintenance
- Charge battery before first use (supplied at 30%)
- Ensure all guards are properly mounted
Specs in practice
- Cutting height
- 25-75 mm
- Cutting width
- 37.5 cm
- Grass catcher capacity
- 40 liters
Images and diagrams
- Fig 1: Product overview showing motor brake handle, start inhibitor, and cutting height lever.
- Fig 19-23: Handle assembly and height adjustment steps.
- Fig 24-26: Grass catcher assembly steps.
- Fig 40-42: Blade replacement and locking procedure.
Model compatibility
- Use only Husqvarna rechargeable batteries.
- Use only QC battery chargers.
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.