PRORUN 25.4cc 17-inch Gas-Powered 2-Cycle Straight Shaft Trimmer User Manual

1. Informazioni di sicurezza

Always read and understand all safety warnings and instructions before operating this gas-powered trimmer. Failure to follow these instructions may result in serious injury or death.

Avvertimenti Generali di Sicurezza

• Equipamentu di prutezzione persunale (PPE): Always wear eye protection (safety glasses or goggles), hearing protection, heavy-duty long pants, long sleeves, gloves, and sturdy footwear when operating the trimmer.
• Manipolazione di u carburante: Handle gasoline with extreme care. It is highly flammable. Store fuel in an approved container in a well-ventilated area, away from sparks, open flames, or other ignition sources. Never refuel a hot engine.
• Zona di travagliu: Keep children, bystanders, and pets at least 50 feet (15 meters) away from the work area. Clear the work area of debris, rocks, and other objects that could be thrown by the cutting line.
• Operazione: Operate the trimmer only in well-ventilated outdoor areas. Do not operate in wet conditions. Maintain a firm grip on the trimmer with both hands. Avoid contact with the rotating cutting line.
• Mantenimentu: Disconnect the spark plug wire before performing any maintenance or repairs to prevent accidental starting.

2. Cuntenutu di u pacchettu

Verify that all items are present in the package before assembly.

• PRORUN 25.4cc 17-inch Gas-Powered 2-Cycle Straight Shaft Trimmer (Powerhead and Shaft Assembly)
• Trimmer Head with .095 line
• Scudo di Deflector
• Adjustable Loop Handle
• Harness
• Maintenance Tools (Wrench, Screwdriver)
• Manuale di u pruprietariu

Figure 2.1: PRORUN PSST217 Trimmer and included accessories, including maintenance tools and a shoulder harness.

3. Istruzzioni di Assemblea

Follow these steps to assemble your PRORUN Straight Shaft Trimmer.

3.1 Attaching the Deflector Shield

1. Align the deflector shield with the mounting holes on the trimmer shaft.
2. Secure the shield using the provided screws and tighten them firmly with a screwdriver. Ensure the shield is stable and does not wobble.

3.2 Installing the Loop Handle

1. Slide the adjustable loop handle onto the trimmer shaft.
2. Position the handle for comfortable operation, typically around the middle of the shaft.
3. Tighten the handle clamp securely to prevent rotation during use.

Figure 3.1: Key components of the PRORUN trimmer, including the engine, adjustable loop handle, durable cast aluminum shaft, and 17-inch bump-feed cutting head.

4. Setup and Fueling

Proper fuel mixture and starting procedures are crucial for optimal performance and longevity.

4.1 Fuel Mixing

This trimmer uses a 2-cycle engine and requires a mixture of gasoline and 2-cycle engine oil. Refer to the engine oil manufacturer's instructions for the correct mixing ratio, typically 50:1 (2.6 oz of oil per gallon of gasoline) or 40:1 (3.2 oz of oil per gallon of gasoline).

• Aduprate benzina fresca senza piombu cù un indice di ottanu di 89 o più.
• Aduprate oliu di mutore à 2 tempi di alta qualità cuncipitu specificamente per i mutori raffreddati à aria.
• Mix fuel in an approved fuel container. Shake the container thoroughly before fueling the trimmer.

4.2 Fueling the Trimmer

1. Assicuratevi chì u mutore sia fretu è spento.
2. Pone u trimmer nantu à una superficia piana è stabile.
3. Carefully open the fuel cap.
4. Pour the mixed fuel into the fuel tank, avoiding overfilling.
5. Rimpiazzate bè u tappu di carburante. Asciugate subitu ogni carburante versatu.

Figure 4.1: The engine and large, easy-fill fuel tank of the PRORUN trimmer.

5. Operating Instructions

Learn how to start, operate, and stop your PRORUN trimmer safely and effectively.

5.1 Starting the Engine (Spring-Assist Starting)

1. Place the trimmer on a flat, clear surface.
2. Pone l'interruttore ON/OFF in a pusizione "ON".
3. Appughjà a pompa di primer 7-10 volte finu à chì u carburante sia visibile in a linea di ritornu.
4. Move the choke lever to the 'FULL CHOKE' position.
5. Pull the starter rope slowly until resistance is felt, then pull quickly and firmly 1-3 times until the engine 'pops' or attempts to start.
6. Move the choke lever to the 'HALF CHOKE' position.
7. Pull the starter rope quickly and firmly 1-3 times until the engine starts.
8. Once the engine runs, move the choke lever to the 'RUN' position. Allow the engine to warm up for 30-60 seconds before operating at full throttle.

Figure 5.1: Location of the primer bulb for engine starting.

5.2 Funzionamentu di u trimmer

• Hold the trimmer firmly with both hands, ensuring a balanced stance.
• Use the shoulder harness for added comfort and control, especially during extended use.
• Maintain a safe distance from objects and bystanders.
• Cut grass by swinging the trimmer from side to side, using the tip of the cutting line.
• For edging, tilt the trimmer head to a vertical position and carefully guide it along the edge.

Figure 5.2: The 17-inch cutting swath with .095 line and bump feed head effectively trimming grass.

5.3 Arresta u Motore

To stop the engine, simply move the ON/OFF switch to the 'OFF' position.

6. Mantenimentu

Una manutenzione regulare assicura a longevità è e prestazioni ottimali di u vostru trimmer.

6.1 Pulizia di u filtru di l'aria

The air filter should be checked and cleaned regularly, especially in dusty conditions.

1. Assicuratevi chì u mutore sia spento è fretu.
2. Locate the tool-less air filter cover.
3. Remove the cover and carefully take out the air filter.
4. Clean the filter by tapping it gently or washing it with warm, soapy water. Allow it to dry completely before reinstallation. Replace if heavily soiled or damaged.

6.2 Ispezione di a candela

Inspect the spark plug periodically for wear or carbon buildup.

1. Scollegate u filu di a bugia.
2. Use the provided spark plug wrench to remove the spark plug.
3. Clean any carbon deposits with a wire brush. Check the electrode gap and adjust if necessary (refer to specifications for correct gap). Replace if worn or damaged.

6.3 Sustituzione di u filu di u trimmer

The trimmer head uses .095-inch diameter line. Replace the line when it becomes too short or worn.

1. Ensure the engine is off and the spark plug wire is disconnected.
2. Locate the bump feed head. Depending on the head design, you may need to press tabs or unscrew a cap to access the spool.
3. Remove any remaining old line.
4. Cut a new length of .095-inch trimmer line (typically 15-20 feet).
5. Follow the arrows on the trimmer head to correctly wind the new line onto the spool. Leave a few inches of line protruding from the eyelets.
6. Reassemble the trimmer head.

Figure 6.1: The bump feed trimmer head, showing the cutting line exit points.

7. Risoluzione di prublemi

This section addresses common issues you might encounter with your trimmer.

8. Specificazioni

9. Garanzia è Support

PRORUN offers a limited warranty for this product.

• Usu residenziale: Garanzia limitata di 3 anni
• Usu cummerciale: Garanzia limitata di 1 anni

For warranty claims, technical support, or replacement parts, please contact PRORUN Customer Service.

• Telefonu: 1-844-905-0882
• E-mail: info@proruntech.com

Figure 9.1: PRORUN Limited Warranty details for residential and commercial use.