1. Introducció
This manual provides essential information for the safe operation, maintenance, and troubleshooting of your Powerhorse High-Wheeled Walk-Behind String Trimmer. Please read this manual thoroughly before operating the machine to ensure proper use and to prevent injury or damage.

Figure 1: Powerhorse High-Wheeled Walk-Behind String Trimmer. This image shows the complete assembly of the string trimmer, highlighting its high wheels, engine, and cutting head with orange trimmer lines.
2. Informació important de seguretat
Seguiu sempre les precaucions de seguretat bàsiques per reduir el risc d'incendi, descàrrega elèctrica i lesions personals. Conserveu aquest manual per a futures consultes.
- Llegeix el manual: Enteneu totes les instruccions i advertències abans de l'operació.
- Equips de protecció individual (EPI): Always wear eye protection, hearing protection, long pants, and sturdy footwear.
- Seguretat del combustible: Handle gasoline with extreme care. Store fuel in an approved container in a well-ventilated area away from ignition sources. Never refuel a hot engine.
- Àrea de treball neta: Ensure the area is clear of debris, rocks, and other objects that could be thrown by the trimmer line. Keep bystanders, children, and pets at a safe distance.
- Calor del motor: The engine and muffler become very hot during operation and can cause burns. Allow the engine to cool before touching or performing maintenance.
- Inspeccionar abans d'utilitzar: Check the fuel line for tears or damage before each use, as noted in customer feedback. Ensure all fasteners are tight and guards are in place.
- Funcionament adequat: Operate the trimmer only in well-ventilated areas. Do not operate in wet conditions.
3. Característiques i components del producte
The Powerhorse High-Wheeled Walk-Behind String Trimmer is designed for efficient clearing of weeds, grass, and brush.
Característiques principals:
- Dependable Powerhorse 173cc vertical gas engine with recoil start delivers 3000 max. RPM.
- Offset head design delivers a 22-inch wide cutting swath.
- Rear wheels offer easy maneuverability and walk-behind control.
- Lightweight design is easy to operate, reducing fatigue.
Components principals:
- Motor: 173cc 4-cycle gas engine.
- Capçal de tall: Equipped with a 22-inch cutting swath for efficient clearing.
- High Wheels: Large rear wheels for improved maneuverability over rough terrain.
- Manillar: Disseny ergonòmic per a un funcionament còmode.

Figure 2: Powerful Performance. This image illustrates the trimmer in action, highlighting its 173cc 4-cycle gas engine and 3,000 max. RPM capability, with a user operating it in tall grass.

Figure 3: Quick and Efficient Cutting. This image shows the trimmer's 22-inch wide cutting swath, demonstrating its ability to clear large areas quickly.

Figure 4: Effortless Walk-Behind Design. This image focuses on the 14-inch rear tires, emphasizing the trimmer's smooth rolling and easy maneuverability.

Figure 5: Lightweight Construction. This image shows the trimmer being operated from the side, illustrating its lightweight design that makes it easy to operate and maneuver, reducing user fatigue.
4. Muntatge i muntatge
Your Powerhorse String Trimmer requires some assembly and preparation before first use.
4.1 Desembalatge i inspecció inicial:
- Traieu amb cura tots els components de l'embalatge.
- Inspect for any shipping damage. If damaged, contact customer support immediately.
- Verify all parts are present according to the packing list. The unit typically includes a 16.9-oz. bottle of oil, spark plug wrench, oil funnel, and a 10-pack of trimmer lines.

Figure 6: Fully Equipped. This image displays the trimmer along with its included accessories: a bottle of oil, a spark plug wrench, an oil funnel, and a pack of trimmer lines.

Figure 7: Included Accessories. A closer view of the 16.9 fl. oz. (500 ml) bottle of Powerhorse Premium 4-Cycle Small Engine Lubricant, a spark plug wrench, an oil funnel, and a bundle of orange trimmer lines.
4.2 Handlebar Assembly:
Attach the handlebar to the main unit using the provided hardware. Ensure all bolts are securely tightened.
4.3 Afegir oli de motor:
- Col·loqueu el tallador sobre una superfície plana.
- Traieu el tap/varilla d'ompliment d'oli.
- Using the provided funnel, slowly add the recommended 4-cycle engine oil (e.g., 10W-40) up to the "FULL" mark on the dipstick. Do not overfill.
- Torneu a col·locar el tap d'ompliment d'oli de manera segura.
4.4 Afegir combustible:
- Assegureu-vos que el motor estigui fred.
- Use fresh, clean unleaded gasoline with an octane rating of 87 or higher.
- Traieu amb cura la tapa del combustible.
- Fill the fuel tank, leaving a small space for expansion. Do not overfill.
- Torneu a col·locar el tap de combustible de manera segura. Netegeu immediatament qualsevol vessament de combustible.
- Important: Before filling the gas tank, inspect the fuel line from the gas tank to the engine for any tears or damage. Replace if necessary.
5. Funcionament
5.1 Arrencada del motor:
- Ensure the trimmer is on a level surface and the area is clear.
- Col·loqueu l'interruptor del motor a la posició "ON".
- Moveu la palanca de l'estrangulador a la posició "CHOKE" (per a arrencades en fred).
- Pull the recoil starter handle firmly and smoothly until the engine starts. You may need to pull several times.
- Un cop el motor s'hagi engegat, moveu gradualment la palanca de l'estrangulador a la posició "RUN".
- Deixeu que el motor s'escalfi uns instants abans de començar a funcionar.
5.2 Operating the Trimmer:
- Push the trimmer forward slowly, allowing the trimmer line to cut through vegetation.
- Maintain a steady pace. Do not force the trimmer through dense growth.
- Use a sweeping motion for best results.
- Be aware of the 22-inch cutting swath and plan your passes accordingly.
5.3 Aturar el motor:
- Deixeu anar la palanca de control.
- Moveu l'interruptor del motor a la posició "OFF".
- Deixeu que el motor es refredi abans d'emmagatzemar-lo o fer-ne el manteniment.
6. Manteniment
Un manteniment regular garanteix un rendiment òptim i allarga la vida útil de la desbrossadora.
6.1 Després de cada ús:
- Netegeu l'exterior de la retalladora amb anuncisamp cloth. Remove any grass clippings or debris from the cutting head and engine cooling fins.
- Check the trimmer line for wear and replace if necessary.

Figure 8: Trimmer Cutting Head. This image provides an underside view of the trimmer's cutting head, showing the trimmer lines and the protective guard, useful for maintenance and line replacement.
6.2 Manteniment del motor:
- Canvi d'oli: Canvieu l'oli del motor després de les primeres 5 hores de funcionament, després cada 25 hores o anualment, el que passi primer.
- Bujía: Inspect and clean the spark plug annually or every 50 hours. Replace if electrodes are worn or fouled.
- Filtre d'aire: Netegeu el filtre d'aire regularment, especialment en llocs amb molta pols. Substituïu-lo si està danyat.
6.3 Emmagatzematge:
- For long-term storage, drain the fuel tank or add a fuel stabilizer.
- Netegeu bé el tallador.
- Emmagatzemar en un lloc net, sec i ben ventilat, allunyat de la llum solar directa i de temperatures extremes.
7. Solució De Problemes
Consulteu aquesta secció per conèixer els problemes comuns i les seves possibles solucions.
| Problema | Causa possible | Solució |
|---|---|---|
| Engine will not start or is difficult to start. | No fuel, stale fuel, incorrect choke setting, fouled spark plug, fuel line issue. | Check fuel level and quality. Adjust choke. Inspect and clean/replace spark plug. Inspect fuel line for tears or blockages. |
| Engine runs poorly or lacks power. | Dirty air filter, incorrect fuel mixture, old fuel, spark plug issue. | Clean/replace air filter. Use fresh fuel. Check spark plug. |
| Trimmer line not cutting effectively. | Worn or incorrect trimmer line, debris in cutting head. | Replace trimmer line with recommended type (4mm x 4mm square). Clear debris from cutting head. |
| Vibració excessiva. | Components solts, capçal de tall danyat. | Check all fasteners for tightness. Inspect cutting head for damage. |
8. Especificacions tècniques
| Especificació | Detall |
|---|---|
| Marca | Powerhorse |
| Número de model | DMT56-DV173 |
| Tipus de motor | 173cc 4-Cycle Gas Engine |
| Màx. RPM | 3000 |
| Amplada de tall | 22 polzades |
| Mode d'operació | Manual, Walk-Behind |
| Pes de l'article | 77.5 lliures |
| Dimensions del producte | 30.31 x 19.3 x 5 polzades |
| Material | Metall |
| UPC | 840321751157 |
9. Garantia i atenció al client
Powerhorse products are manufactured to high-quality standards. For specific warranty details, please refer to the warranty card included with your product or visit the official Powerhorse weblloc.
For technical assistance, parts, or service, please contact Powerhorse customer support. Contact information can typically be found on the product packaging or the manufacturer's weblloc.
Nota: This item is subject to hazardous materials regulation for transportation and may have specific return policies. Please consult your retailer for details.





