Husqvarna LC 151, LC 151S, LB 251S, LB 256SP Lawn Mowers
Comprehensive user guide for Husqvarna LC 151, LC 151S, LB 251S, and LB 256SP series walk-behind lawn mowers, covering setup, operation, maintenance, and safety.
Table of contents
Product Overview
The Husqvarna LC 151, LC 151S, LB 251S, and LB 256SP are walk-behind rotary lawn mowers designed for efficient grass cutting. Depending on the model, these units feature grass collection capabilities, side discharge, or mulching functions to suit various lawn maintenance needs.

Safety Instructions
Warning: Improper use can result in serious injury or death. Always read the manual before operation. Keep bystanders and animals at a safe distance. Ensure the engine is stopped and the spark plug cable is disconnected before performing any maintenance or repairs. Never operate the mower in enclosed spaces due to carbon monoxide risks. Always wear appropriate personal protective equipment, including sturdy footwear and hearing protection.
Assembly and Setup
The mower requires handle assembly and adjustment. Ensure all bolts and knobs are tightened securely. For models with grass collection, attach the grass catcher frame and bag according to the provided instructions. Before first use, check the oil level and fill the fuel tank with high-quality gasoline (minimum 90 octane).
Operation
To start the engine, ensure the spark plug cable is connected, stand behind the mower, and hold the engine brake handle against the handlebar. Pull the starter rope handle firmly. To stop the engine, release the engine brake handle. For self-propelled models, use the drive bail to engage the transmission. Adjust the cutting height using the dedicated lever before starting the engine.
Maintenance
Regular maintenance is essential for optimal performance and safety. Key tasks include:
- Daily: Check oil level, inspect the cutting deck, and clean the product.
- Monthly: Inspect the muffler and clean the air filter.
- Seasonal: Replace the air filter, inspect the fuel system, and check/adjust the clutch cable.
Always keep the cutting blade sharp and balanced. If the blade hits an obstacle, stop the engine immediately and have the mower inspected by an authorized service center.
Troubleshooting
If the engine fails to start, check the spark plug connection, fuel level, and fuel quality. Ensure the engine brake handle is held correctly. If the engine runs poorly or overheats, check the air filter, oil level, and carburetor settings. For persistent issues, contact an authorized Husqvarna service dealer.

Disposal
Dispose of the product, including chemicals like engine oil and fuel, at an authorized service center or local recycling facility in accordance with environmental regulations.
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