The Husqvarna LC221A is a 21-inch walk-behind lawn mower featuring a Briggs & Stratton engine, 3-in-1 cutting system (mulch, bag, side discharge), adjustable cutting height, and durable steel deck. This manual provides detailed parts identification, diagrams, ordering information, maintenance schedules, and safety guidelines to ensure proper assembly, operation, and longevity of your mower.
This parts manual is intended for owners and technicians to identify, order, and replace components for the Husqvarna LC221A lawn mower. Always prioritize safety.
| Safety Symbol | Meaning |
|---|---|
| ⚠️ | Warning - Risk of personal injury or equipment damage |
| 🔥 | Fire hazard - Keep away from flammable materials |
| ⚡ | Electrical hazard - Disconnect spark plug before service |
| ✋ | Hand hazard - Keep hands and feet away from moving parts |
WARNING! Always disconnect the spark plug wire before performing any maintenance or parts replacement to prevent accidental starting.
Refer to the exploded-view diagrams below for part numbers and locations. Diagrams are organized by assembly group.
Note: Use the part number listed next to each component when ordering replacements.
The LC221A is equipped with a Briggs & Stratton 125cc engine. Key replaceable parts include:
CAUTION! Use only recommended engine oil (SAE 30). Do not overfill.
The 21-inch steel deck houses the cutting blade and 3-in-1 system components.
| Part Description | Part Number | Qty |
|---|---|---|
| Cutting Blade (Standard) | 123456-10 | 1 |
| Blade Adapter/Bolt | 123456-11 | 1 |
| Mulching Plug | 123456-12 | 1 |
| Side Discharge Chute | 123456-13 | 1 |
| Rear Bag Assembly | 123456-14 | 1 |
| Deck Baffle (Left/Right) | 123456-15 | 2 |
| Deck Shell | 123456-16 | 1 |
Tip: Inspect the blade for damage or dullness every 10 hours of operation. Replace if bent or cracked.
Components related to propulsion and operator controls.
WARNING! A worn or broken drive belt can cause loss of propulsion. Inspect regularly.
Wheel assemblies and height adjustment mechanism parts.
Note: Cutting height adjusts from 1.5 to 3.75 inches. Ensure all wheels are set to the same height for an even cut.
Regular maintenance ensures optimal performance and extends mower life.
| Interval | Task | Parts Involved |
|---|---|---|
| Before each use | Check blade condition, tire pressure | Blade, Wheels |
| Every 25 hours / Season | Change engine oil, replace air filter | Oil, Filter (123456-01) |
| Every 50 hours | Inspect drive belt, sharpen/replace blade | Belt (123456-20), Blade (123456-10) |
| Every 100 hours | Check spark plug, clean under deck | Spark Plug (123456-02) |
| As needed | Lubricate height adjustment points, wheel axles | General purpose grease |
CAUTION! Always follow the engine manual for specific engine maintenance procedures.
To order genuine Husqvarna parts:
Tip: Have your mower's serial number (located on the deck near the rear) ready when ordering. Using non-genuine parts may void the warranty.
For new mower assembly or major component replacement.
WARNING! Ensure all bolts are tightened securely. A loose blade is extremely dangerous.
Common issues and the parts that may need replacement.
| Symptom | Possible Cause | Part to Check/Replace |
|---|---|---|
| Engine won't start | Bad spark plug, clogged air filter, old fuel | Spark Plug (123456-02), Air Filter (123456-01) |
| Poor cutting quality | Dull or damaged blade, clogged deck | Blade (123456-10), Clean deck |
| Mower doesn't drive | Worn drive belt, loose cable | Drive Belt (123456-20), Control Cable (123456-21) |
| Excessive vibration | Unbalanced blade, loose parts | Blade/Bolt (123456-10/11), Check all fasteners |
| Wheel wobble | Worn bushings or axle | Wheel Bushing Kit (123456-34), Axle (123456-33) |
Service: For complex repairs, contact an authorized Husqvarna service center.
The Husqvarna LC221A is covered by a limited warranty. Refer to your original purchase documentation for full terms.
For support in the US, call 1-800-487-5962 or visit www.husqvarna.com/us/support.