1. Informació important de seguretat
Read and understand all safety warnings and instructions before operating this powerhead. Failure to follow these instructions may result in serious injury or death.
- Equips de protecció individual: Porteu sempre equip de protecció individual (EPI) adequat, incloent-hi protecció ocular (ulleres o ulleres de seguretat), protecció auditiva, guants resistents, pantalons llargs i calçat resistent i antilliscant.
- Manipulació de combustible: Handle fuel with extreme care. Gasoline is highly flammable. Mix and store fuel in a well-ventilated area, away from sparks, open flames, or other ignition sources. Do not smoke while handling fuel.
- Entorn de funcionament: Operate the powerhead in a clear area, free from bystanders, children, and pets. Maintain a safe distance from other people and objects. Be aware of your surroundings and potential hazards.
- Comprovació prèvia al funcionament: Before each use, inspect the powerhead and any attached accessories for loose parts, damage, or wear. Ensure all guards and safety features are in place and functioning correctly.
- Evita el contacte: Keep hands, feet, and clothing away from moving parts. Be cautious of flying debris, especially when using cutting attachments.
- Apagada d'emergència: Familiaritzeu-vos amb la ubicació i el funcionament de l'interruptor d'aturada del motor.
- Emmagatzematge: Store the powerhead and fuel in a secure, well-ventilated area, out of reach of children. Allow the engine to cool completely before storing.
WARNING: Always wear protective gear, including eye and ear protection. Avoid contact with skin and eyes. Be cautious of flying debris.
2. Producte acabatview
The PRORUN 25.4cc Gas-Powered Powerhead is a versatile multi-tool power unit designed for various outdoor tasks when paired with compatible attachments (sold separately). Its robust 2-cycle engine provides reliable power for garden edging, lawn care, and other landscaping needs.
Característiques clau
- Potència: Commercial-grade 1.0 horsepower from the robust 25.4cc engine.
- Fiabilitat: Fuel tank capacity of 20.2 oz for extended operation.
- Ergonomia: Features an ergonomic handle, barrier bar, and shoulder harness for comfortable use.
- Antivibració: Integrated anti-vibration system designed to reduce operator fatigue during prolonged use.
- Funcionalitat: Compatible with multiple attachments for diverse landscaping requirements.
Diagrama de components



3. Instruccions de muntatge
This section details the steps required to assemble your PRORUN Powerhead and prepare it for attachment use.
3.1 Connecting the Shaft Sections
- Align the square drive shaft of the lower section with the receiving end of the powerhead's upper shaft.
- Push the lower shaft firmly into the upper shaft until it clicks into place or is fully seated.
- Tighten the coupling knob or screws securely to ensure a rigid connection.

3.2 Col·locació d'accessoris
The PRORUN Powerhead is designed to work with various PRORUN attachments (sold separately). Ensure you use only compatible attachments with an 8-pointed spline connection.
- Loosen the coupling knob on the powerhead's shaft.
- Insert the attachment's drive shaft into the powerhead's coupling, ensuring the 8-pointed spline aligns correctly.
- Push the attachment firmly until it is fully seated.
- Tighten the coupling knob securely to prevent the attachment from detaching during operation.


4. Instruccions de funcionament
Proper operation ensures efficiency and safety. Follow these steps for starting and using your powerhead.
4.1 Mescla de combustible
The PRORUN Powerhead uses a 2-cycle engine and requires a specific gasoline/oil mixture. Refer to your engine manual for the exact ratio (typically 50:1 or 40:1). Use fresh, unleaded gasoline with an octane rating of 89 or higher, mixed with high-quality 2-cycle engine oil.
- Obtain a clean, approved fuel container.
- Pour the correct amount of 2-cycle oil into the container.
- Add the specified amount of gasoline.
- Securely close the container and shake it gently to ensure thorough mixing.
- Fill the powerhead's fuel tank, avoiding overfilling.
4.2 Arrencada del motor
Follow these steps to start the 2-cycle engine:
- Place the powerhead on a flat, stable surface.
- Move the choke lever to the 'FULL CHOKE' position.
- Premeu la pera d'encebament de 5 a 10 vegades fins que el combustible sigui visible a la línia de retorn.
- Set the throttle to the 'START' or 'HALF THROTTLE' position.
- Grip the starter handle firmly and pull the starter rope with a smooth, continuous motion until the engine attempts to start (usually 1-3 pulls).
- Once the engine 'pops' or attempts to start, move the choke lever to the 'HALF CHOKE' position.
- Estireu de nou la corda d'arrencada fins que el motor arrenqui.
- Once the engine is running, move the choke lever to the 'RUN' position and allow the engine to warm up for 30-60 seconds before operating at full throttle.

4.3 Ús d'adjunts
Once the engine is running and warmed up, you can begin using your chosen attachment. Always ensure the attachment is securely fastened before operation.
- Tallador de corda: Use for cutting grass and light weeds. Maintain a steady pace and avoid hitting hard objects.
- Ribadora: Ideal for creating clean lines along sidewalks and driveways. Adjust the depth wheel for desired cutting depth.
- Tallabarres: For shaping hedges and shrubs. Keep both hands on the handles and maintain balance.
- Pole Saw: For trimming high branches. Ensure a stable footing and be aware of falling debris.

5. Manteniment
Regular maintenance is crucial for the longevity and optimal performance of your PRORUN Powerhead.
5.1 Neteja del filtre d'aire
A clean air filter ensures proper engine performance and prevents premature wear.
- Traieu la coberta del filtre d'aire.
- Traieu amb cura l'element del filtre d'aire.
- Clean the filter using warm, soapy water, or compressed air. For heavily soiled filters, replace with a new one.
- Deixeu que el filtre s'assequi completament abans de tornar-lo a instal·lar.
5.2 Inspecció de la bugia
Inspect the spark plug periodically for wear and proper gap.
- Traieu la funda de la bugia.
- Utilitzeu una clau de bugia per treure la bugia.
- Check for carbon buildup, electrode wear, or damage. Clean or replace as necessary.
- Ensure the spark plug gap is set to the manufacturer's specification.
- Reinstall the spark plug and boot.
5.3 Fuel System Care
To prevent fuel system issues, especially during storage:
- Always use fresh fuel mixture. Stale fuel can cause starting problems and engine damage.
- For long-term storage (over 30 days), drain the fuel tank and run the engine until it stops to clear the carburetor of fuel. Alternatively, use a fuel stabilizer.
5.4 Neteja i emmagatzematge generals
- Clean the exterior of the powerhead after each use, removing grass, dirt, and debris.
- Inspect all fasteners and tighten any that are loose.
- Store the powerhead in a dry, well-ventilated area, away from direct sunlight and extreme temperatures.
6. Guia de resolució de problemes
This guide addresses common issues you might encounter with your PRORUN Powerhead.
| Problema | Causa possible | Solució |
|---|---|---|
| El motor no arrencarà | Sense combustible o barreja de combustible incorrecta L'estrangulador no està ben ajustat Bugia bruta o danyada Filtre d'aire obstruït | Check fuel level and mixture. Refuel if necessary. Ensure choke is in 'FULL CHOKE' for cold start, then 'HALF CHOKE', then 'RUN'. Inspect and clean/replace spark plug. Netegeu o substituïu el filtre d'aire. |
| El motor arrenca però s'atura | Ajust incorrecte de l'estrangulador Engine not warmed up Filtre de combustible obstruït Velocitat de ralentí massa baixa | Move choke to 'RUN' position after starting. Allow engine to warm up for 30-60 seconds. Inspect and replace fuel filter if necessary. Adjust idle speed screw (refer to service manual). |
| Pèrdua de potència durant el funcionament | Filtre d’aire tapat Barreja de combustible incorrecta Problema amb la bugia Sobreescalfament | Netegeu o substituïu el filtre d'aire. Ensure correct fuel/oil ratio. Inspect and clean/replace spark plug. Allow engine to cool. Check for obstructions around cooling fins. |
| Vibració excessiva | Enganxament solt Damaged attachment Elements de fixació solts | Ensure attachment is securely fastened. Inspect attachment for damage; replace if necessary. Check and tighten all visible fasteners. |
7. Especificacions tècniques
Detailed specifications for the PRORUN 25.4cc Powerhead.
| Especificació | Detall |
|---|---|
| Marca | PRORUN |
| Número de model | PRORUN 25.4cc Powerhead |
| Font d'alimentació | Funciona amb gas |
| Desplaçament del motor | 25.4 cc |
| Tipus de motor | 2-Cicle |
| Pes de l'article | 10.6 lliures (4.8 kg) |
| Dimensions del producte | 40.2"L x 12.9"W (approximate, powerhead only) |
| Capacitat del dipòsit de combustible | Aproximadament 20.2 unces |
| Compatibilitat de fitxers adjunts | 8-pointed spline connection (PRORUN attachments recommended) |
| Muntatge obligatori | Sí |
8. Garantia i atenció al client
For warranty information, technical assistance, or to purchase replacement parts, please contact PRORUN customer support. Keep your purchase receipt and product model number handy when contacting support.
- Assistència en línia: Visit the official PRORUN weblloc web per a preguntes freqüents i recursos de suport.
- Informació de contacte: Refer to the contact details provided in your product packaging or on the PRORUN brand store page on Amazon.





