1. Informazioni importanti sulla sicurezza
Always read and understand this manual before operating the PROYAMA 51.7cc 2-Cycle Gas 3-in-1 String Trimmer and Brush Cutter. Failure to follow instructions can result in serious injury or property damage.
- Dispositivi di protezione individuale (DPI): Always wear appropriate safety gear, including eye protection (safety glasses/face shield), hearing protection (ear defenders), gloves, and sturdy footwear. A vibration reduction shoulder harness is provided for comfort and safety.
- Gestione del carburante: This is a 2-cycle gas-powered engine. Use a 50:1 fuel-to-oil mixture. Mix fuel in a well-ventilated area away from ignition sources. Store fuel in an approved container.
- Ambiente operativo: Operate the tool in well-ventilated outdoor areas. Keep bystanders, children, and pets at a safe distance (at least 50 feet/15 meters). Clear the work area of debris that could be thrown by the cutting attachment.
- Funzionamento del motore: Ensure the engine is off and cooled before performing any maintenance, cleaning, or attachment changes. Never leave a running engine unattended.
- Riduzione delle vibrazioni: The anti-vibration system is designed to reduce user fatigue. Utilize the provided shoulder harness to distribute weight and further reduce strain.
- Arresto di emergenza: Familiarize yourself with the location and operation of the engine stop switch for quick shutdown in emergencies.
2. Prodotto finitoview
The PROYAMA 51.7cc 2-Cycle Gas 3-in-1 String Trimmer and Brush Cutter is a versatile tool designed for heavy-duty landscaping tasks, including trimming overgrown vegetation, string trimming, and brush cutting.
Caratteristiche principali:
- Powerful 51.7cc 2-Cycle Engine: Delivers 2 HP for efficient cutting of larger branches and dense vegetation.
- Funzionalità 3 in 1: Easily switch between string trimmer, 3T blade, and 9" circular brush blade for various tasks.
- Sistema antivibrazione: Designed to reduce vibration and user fatigue during extended use.
- Quick-Start System: Facilitates easier engine startup.
- U-Style Handle: Provides comfortable and controlled operation.
- Quick Release Split Shaft: Allows for easy transportation and storage.

Figura 1: Oltreview of the PROYAMA 51.7cc 2-Cycle Gas Trimmer and Brush Cutter, highlighting the U-style handle, professional-grade 2-stroke engine, 61" straight shaft, heavy-duty gear case, large shield, and dual line bump feed trimmer head.
3. Installazione e assemblaggio
Follow these steps to properly assemble and prepare your PROYAMA 3-in-1 tool for operation.
3.1 Disimballaggio e controllo dei componenti
Disimballare con cura tutti i componenti e verificarli con la lista di imballaggio. Assicurarsi che tutti i pezzi siano presenti e integri.
Video 1: This video demonstrates the contents of the PROYAMA 51.7CC Gas Brush Cutter package, showing all included accessories and the main unit.
3.2 Fissaggio del manubrio
Attach the U-style handlebar to the main shaft using the provided bolts and tools. Ensure it is securely fastened for optimal control and safety.

Figura 2: primo piano view of the U-style handle with integrated throttle control, showing its attachment point to the main shaft.
3.3 Attaching the Guard and Cutting Head
Secure the protective guard to the shaft. Then, attach the desired cutting head (string trimmer, 3T blade, or 9" circular brush blade) according to the specific instructions for each attachment. Ensure all fasteners are tightened.
Video 2: This video provides a detailed guide on how to assemble the PROYAMA 51.7CC Gas Brush Cutter, including attaching the shaft, handle, guard, and various cutting heads.
3.4 Miscelazione del carburante
This is a 2-cycle engine requiring a 50:1 fuel-to-oil mixture. Use fresh, unleaded gasoline and high-quality 2-cycle engine oil. Mix thoroughly in the provided fuel mixing bottle before adding to the fuel tank.
Video 3: This video demonstrates the process of preparing and mixing fuel for the PROYAMA 51.7cc 2-Cycle Gas Powered Weed Eater, ensuring the correct 50:1 ratio.
3.5 Regolazione dell'imbracatura
Properly adjust the vibration reduction shoulder harness for comfort and balance. The harness helps distribute the tool's weight, reducing strain during operation.

Figure 3: The ergonomic harness features broad back support, shoulder straps, and a hip belt to distribute the load evenly, enhancing user comfort and efficiency.
4. Istruzioni per l'uso
Prima di iniziare, assicurarsi che siano state rispettate tutte le precauzioni di sicurezza e che l'area di lavoro sia sgombra.
4.1 Avviamento del motore
- Posizionare l'utensile su una superficie piana e stabile.
- Premere più volte la pompetta di innesco finché il carburante non diventa visibile.
- Move the choke lever to the "START" or "CHOKE" position.
- Tirare la corda di avviamento con decisione e dolcezza finché il motore non tenta di avviarsi (solitamente sono necessari da 1 a 3 tiri).
- Once the engine "pops" or attempts to start, move the choke lever to the "RUN" position.
- Tirare nuovamente la corda di avviamento finché il motore non si avvia e gira regolarmente.
- Lasciare riscaldare il motore per qualche istante prima di accelerare.
4.2 Using the String Trimmer
Hold the trimmer firmly with both hands, maintaining a comfortable and balanced stance. Use a sweeping motion to cut grass and light weeds. The dual line bump feed head allows for easy line advancement by tapping the head on the ground while the engine is running.
4.3 Utilizzo del decespugliatore
For thicker vegetation, switch to the 3T blade or 9" circular brush blade. Use a controlled, deliberate motion. Be aware of kickback when cutting thicker brush. Always wear a face shield when using brush cutter blades.
Video 4: This video demonstrates the PROYAMA 52CC Gas Brush Cutter in an outdoor test, showcasing its performance on various types of vegetation.
5. Manutenzione
Una manutenzione regolare garantisce prestazioni ottimali e prolunga la durata del tuo utensile.
- Filtro dell'aria: Pulire regolarmente il filtro dell'aria, soprattutto in ambienti polverosi. Sostituirlo se danneggiato.
- Candela: Inspect the spark plug periodically. Clean or replace as needed to ensure proper ignition.
- Sistema di alimentazione: Drain the fuel tank and carburetor if storing the tool for an extended period to prevent fuel degradation.
- Accessori di taglio: Inspect blades and trimmer head for wear or damage before each use. Sharpen blades as necessary or replace worn trimmer line.
- Pulizia generale: Keep the engine and cooling fins free of debris to prevent overheating.
6. Risoluzione Dei Problemi
In caso di problemi, consultare questa sezione per informazioni sui problemi più comuni e sulle relative soluzioni.
- Il motore non si avvia:
- Check fuel level and ensure correct 50:1 mixture.
- Verify the engine stop switch is in the "ON" position.
- Ensure the choke is set correctly for starting (CHOKE then RUN).
- Controllare che la candela non sia sporca o danneggiata.
- Engine Runs Poorly or Dies:
- Inspect the air filter for clogs.
- Check for stale fuel; replace with fresh fuel if necessary.
- Ensure the throttle cable is properly connected and not damaged.
- Vibrazione eccessiva:
- Check cutting attachments for damage or imbalance.
- Ensure all bolts and fasteners are tight, especially on the handle and shaft connections.
7. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Marca | PROGETTO |
| Numero di modello | Codice PBC52 |
| Tipo di motore | 2-Cycle Gas Powered |
| Cilindrata del motore | 51.7cc |
| Potenza | 2 CV |
| Rapporto di miscelazione del carburante | 50:1 (Gasoline:2-Cycle Oil) |
| Larghezza di taglio (decespugliatore) | 19 pollici |
| Larghezza di taglio (decespugliatore) | 10 pollici |
| Peso dell'articolo | 19 libbre |
| Dimensioni del prodotto | 73"L x 15"W |
8. Garanzia e supporto
For warranty claims, technical support, or genuine parts and accessories, please contact PROYAMA customer service.
- Come contattare l'assistenza:
- Accedi al tuo account Amazon.
- Navigate to "Your orders".
- Find the order ID for your PROYAMA product.
- Click "Contact seller".
PROYAMA's expert team aims to provide professional assistance within 12 hours.
- Genuine Parts & Accessories: Shop on the PROYAMA Amazon Store for authentic replacement parts and accessories.

Figure 4: Instructions on how to contact PROYAMA customer service through your Amazon account.