1. Introduzione
This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of your Hecht 5511 Gasoline Lawn Mower. Please read this manual thoroughly before using the machine to ensure proper handling and to prevent injury or damage.

Figura 1: Overview of the Hecht 5511 Gasoline Lawn Mower.
The Hecht 5511 is a powerful 4-stroke gasoline lawn mower designed for efficient lawn care. It features a 51 cm cutting width, 5-level cutting height adjustment (30-80 mm), mulching function, and side discharge capability. Its robust steel housing and ergonomic design ensure durability and comfortable operation.
2. Istruzzioni di sicurità
Always prioritize safety when operating the lawn mower. Failure to follow these instructions may result in serious injury or property damage.
- Read and understand the entire manual before operation.
- Portate equipaggiamenti di prutezzione individuale (PPE) adatti, cumpresi a prutezzione di l'ochji, a prutezzione di l'uditu, scarpe robuste è pantaloni lunghi.
- Mantene i zitelli è i passanti luntanu da l'area operativa.
- Inspect the area for objects that could be thrown by the blade before mowing.
- Never operate the mower without the discharge guard or grass catcher in place.
- Refuel in a well-ventilated area with the engine off and cool. Avoid spilling fuel.
- Do not operate the mower in wet grass or on steep slopes where you could lose footing.
- Spegne u mutore è scollegà u filu di a candela prima di fà qualsiasi manutenzione, pulizia o eliminazione di blocchi.

Figure 2: Warning label on the cutting deck emphasizing the importance of the guard.
Warning: Do not operate without guard in place. Ensure all safety guards are securely attached before starting the engine.
3. Setup è Assemblea
3.1 Assemblea di manubri
The handlebar may require assembly or unfolding from its storage position. Secure all bolts and knobs firmly to ensure stability during operation.

Figure 3: Handlebar assembly with soft grip for comfortable handling.
The handlebar features a soft grip for comfortable handling and can be folded for space-saving storage.
3.2 Riempimentu di carburante è d'oliu
Before first use, fill the engine with appropriate gasoline and engine oil. Refer to the engine manufacturer's recommendations for fuel type and oil specifications.
- Cisterna di carburante: Capacity 0.9 liters. Use unleaded gasoline.
- Cisterna d'oliu: Capacity 0.55 liters. Use recommended 4-stroke engine oil.
Ensure caps are securely tightened after filling. Do not overfill.
4. Operating Instructions
4.1 Avvià u mutore
- Assicuratevi chì u serbatoiu di carburante sia pienu è chì u livellu di l'oliu sia currettu.
- Move the throttle lever to the "START" position.
- Grip the engine brake lever (usually on the handlebar) and hold it against the handle.
- Pull the starter cord firmly and smoothly until the engine starts. Do not let the cord snap back.
- Once the engine is running, release the starter cord and allow the engine to warm up for a few moments.

Figure 4: Throttle and start lever control.

Figure 5: Pull start handle for engine ignition.
4.2 Aghjustamentu di l'altezza di tagliu
The cutting height can be adjusted to 5 levels, ranging from 30 mm to 80 mm. Locate the height adjustment lever on the mower deck and move it to the desired position. Ensure all wheels are set to the same height for an even cut.
4.3 Mulching and Side Discharge
The Hecht 5511 offers both mulching and side discharge functions. For mulching, ensure the side discharge chute is closed and the mulching plug (if separate) is installed. For side discharge, attach the side discharge chute and remove the mulching plug (if applicable).

Figura 6: View of the engine and cutting deck, showing the side discharge area.
The side discharge feature allows grass clippings to be ejected to the side, useful for taller grass or when mulching is not desired.
4.4 Cunsiglii di falciatura
- Mow in overlapping rows for a uniform cut.
- Do not attempt to cut too much grass at once; adjust cutting height as needed.
- The larger rear tires facilitate easier maneuvering across your lawn.
4.5 Arresta u Motore
To stop the engine, release the engine brake lever. The engine will shut off automatically. Wait for all moving parts to stop before approaching the mower.
5. Mantenimentu
Regular maintenance ensures the longevity and optimal performance of your lawn mower. Always disconnect the spark plug wire before performing any maintenance.
- Pulizia: Clean the mower deck and engine area after each use to prevent grass buildup.
- Cambiamentu d'oliu: Change engine oil according to the engine manufacturer's schedule, typically after the first 5 hours and then every 25-50 hours of operation.
- Filtru à l'aria: Inspect and clean or replace the air filter regularly.
- Spark Plug: Inspect and clean or replace the spark plug as needed. The electrode distance should be 0.7 - 0.8 mm.
- Manutenzione di lame: Inspect the blade for sharpness and damage. Sharpen or replace the blade as necessary. Ensure the blade screw is tightened to 50 Nm.
- Conservazione: For long-term storage, drain the fuel tank or use a fuel stabilizer. Clean the mower thoroughly and store it in a dry, protected area. The foldable handle helps save space.
6. Risoluzione di prublemi
Questa sezione tratta di i prublemi cumuni chì pudete scuntrà cù a vostra falciatrice.
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| U mutore ùn parte micca | No fuel; old fuel; spark plug issue; engine brake not engaged. | Check fuel level; replace old fuel; inspect/clean/replace spark plug; ensure engine brake lever is held. |
| U mutore gira male o si ferma | Dirty air filter; stale fuel; carburetor issue. | Clean/replace air filter; use fresh fuel; consult a service technician for carburetor issues. |
| Tagliu irregulare | Blade dull or damaged; cutting height unevenly set; wheels not properly inflated (if pneumatic). | Sharpen or replace blade; ensure all wheels are at the same cutting height. |
| Vibrazione eccessiva | Lama dannighjata o squilibrata; cumpunenti allentati. | Inspect blade for damage and balance; check all fasteners for tightness. |
If you encounter persistent issues or problems beyond basic troubleshooting, contact a qualified service technician.
7. Specifiche tecniche
| Feature | Specificazione |
|---|---|
| Marca | Hecht |
| Numero di mudellu | 5511 |
| Tipu di mutore | Single-cylinder / 4-stroke / OHV Gasoline |
| Potenza nominale | 2.5 kW / 3.4 PS |
| A putenza massima di u mutore | 3.6 kW / 5.0 HP |
| Max Torque | 7.0 Nm at 2500 rpm |
| U spustamentu | 139 cm³ |
| Alesaggio x Corsa | 65 x 42 mm |
| Spark Plug Electrode Distance | 0.7 - 0.8 mm |
| Larghezza di taglio | 51 cm |
| Altezza di tagliu | 30 - 80 mm |
| Number of Height Settings | 5 |
| Volume di u tank di carburante | 0.9 l |
| Volume Tank Oil | 0.55 l |
| Blade Screw Tightening Torque | 50 Nm |
| Livellu di putenza sonora misurata (LWA) | 94.4 dB(A); K = 1.91 dB(A) |
| Guaranteed Sound Power Level (LWA) | 98 dB(A) |
| Sound Pressure Level at User (LPA) | 81.1 dB(A); K = 3 dB(A) |
| Vibrazioni | 6.34 m/s²; K = 1.5 m/s² |
| Cundizioni di u funziunamentu | 0 °C à +32 °C |
| Side Ejection | Iè |
| Funzione Mulching | Iè |
| Diametru di a rota posteriore | 250 mm |
| Diametru di a rota di fronte | 180 mm |
| Lunghezza tutale | 1380 mm |
| Larghezza tutale | 600 mm |
| Altezza tutale | 970 mm |
| Pesu | 24.2 kg |
| Materiale | Alloy Steel |
| Fonte d'energia | Funziona à Gas |
8. Garanzia è Support
For warranty claims or technical support, please contact your retailer or the manufacturer's authorized service center. Keep your purchase receipt as proof of purchase.
- Disponibilità di pezzi di ricambio: Information regarding spare parts availability is currently not provided.
- Commercial Service: Commercial service is available in France. Please note that delivery is not available to overseas departments and territories (DOM TOM) and Corsica.





