The Husqvarna LC 121P is a 120V electric lawn mower featuring a 12-amp motor, 21-inch cutting deck, 3-in-1 mulching/bagging/side discharge capability, adjustable cutting height (1.25-3.75 inches), foldable handle for storage, lightweight polymer deck, and grass collection bag. Designed for residential use with safety features including double insulation, safety key, and blade brake system. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.
Key components: Electric motor, 21-inch polymer deck, foldable handle, grass collection bag, safety key, height adjustment lever, and cord retention system.
| Feature | Description |
|---|---|
| Motor | 12-amp, 120V electric motor with thermal overload protection |
| Cutting Width | 21-inch cutting deck for efficient mowing |
| Cutting Height | Adjustable from 1.25 to 3.75 inches (7 positions) |
| 3-in-1 Function | Mulch, bag, or side discharge capability |
| Deck Material | Lightweight, rust-resistant polymer |
| Handle | Foldable for compact storage |
| Grass Bag | 1.8 bushel capacity with fill indicator |
| Safety Key | Removable safety key prevents accidental start |
| Cord Retention | Hook to keep power cord away from cutting area |
| Wheels | 7-inch rear wheels for easy maneuverability |
Read all instructions before assembly and operation. Always wear appropriate safety equipment.
WARNING! Electric shock hazard. Never use with damaged cord or in wet conditions. Keep children and pets away during operation.
Unpack all parts and check against parts list. Assembly requires basic tools (included).
CAUTION! Ensure all fasteners are tight before first use. Do not operate if any parts are loose or damaged.
Handle controls: Safety key slot, start lever, handlebar with grip.
Starting Procedure:
Operating Tips: Mow in straight lines with slight overlap. Avoid pulling mower backward while cutting. Empty bag when indicator shows full.
Single-lever adjustment for all four wheels.
Recommendation: For first mow of season or thick grass, set to highest setting, then gradually lower.
Three cutting options: Mulching, bagging, side discharge.
Tip: For best mulching results, mow when grass is dry and not too tall. Overlap passes slightly.
Regular maintenance ensures optimal performance and longevity.
CAUTION! Always disconnect from power before any maintenance. Never store with fuel (not applicable) or in damp conditions.
The blade should be checked regularly for sharpness and balance.
WARNING! Wear heavy gloves when handling blade. Unbalanced blade causes vibration and damage.
Husqvarna LC 121P comes with a 2-year limited warranty for residential use. Warranty covers defects in materials and workmanship. Not covered: Normal wear, misuse, improper maintenance, commercial use. For warranty service, contact authorized Husqvarna dealer with proof of purchase. For support, visit www.husqvarna.com or call 1-800-487-5962.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Mower won't start | Safety key not inserted; no power | Insert safety key; check outlet; check circuit breaker; ensure cord is plugged in securely. |
| Motor runs but blade doesn't turn | Shear pin broken; debris | Disconnect power; check and replace shear pin if equipped; clear debris from blade area. |
| Poor cutting performance | Dull blade; low cutting height; wet grass | Sharpen or replace blade; raise cutting height; mow when grass is dry. |
| Excessive vibration | Unbalanced blade; loose parts | Balance or replace blade; tighten all bolts and fasteners. |
| Grass not discharging properly | Wet grass; clogged deck; full bag | Mow when dry; clean underside of deck; empty grass bag. |
| Motor overheats | Tall/wet grass; clogged ventilation | Let motor cool; raise cutting height; clear grass from motor vents. |
Reset: If motor overheats, unplug and wait 15 minutes before restarting.
Service: For technical support: 1-800-487-5962; www.husqvarna.com