1. Sigurnosne informacije
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.
Opšta sigurnosna upozorenja
- Lična zaštitna oprema (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.
- Rukovanje gorivom: 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.
- Radna oblast: 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.
- Operacija: 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.
- Održavanje: Disconnect the spark plug wire before performing any maintenance or repairs to prevent accidental starting.
2. Sadržaj paketa
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
- Deflector Shield
- Adjustable Loop Handle
- Harness
- Maintenance Tools (Wrench, Screwdriver)
- Priručnik za upotrebu

Figure 2.1: PRORUN PSST217 Trimmer and included accessories, including maintenance tools and a shoulder harness.
3. Upute za sastavljanje
Follow these steps to assemble your PRORUN Straight Shaft Trimmer.
3.1 Attaching the Deflector Shield
- Align the deflector shield with the mounting holes on the trimmer shaft.
- 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 Ugradnja okrugle ručke
- Slide the adjustable loop handle onto the trimmer shaft.
- Position the handle for comfortable operation, typically around the middle of the shaft.
- Zategnite ručku 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. Podešavanje i punjenje gorivom
Proper fuel mixture and starting procedures are crucial for optimal performance and longevity.
4.1 Miješanje goriva
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).
- Koristite svježi, bezolovni benzin s oktanskim brojem 89 ili više.
- Use high-quality 2-cycle engine oil specifically designed for air-cooled engines.
- Mix fuel in an approved fuel container. Shake the container thoroughly before fueling the trimmer.
4.2 Fueling the Trimmer
- Provjerite da li je motor hladan i isključen.
- Postavite trimer na ravnu, stabilnu površinu.
- Pažljivo otvorite čep za gorivo.
- Pour the mixed fuel into the fuel tank, avoiding overfilling.
- Čvrsto vratite čep za gorivo. Odmah obrišite proliveno gorivo.

Figure 4.1: The engine and large, easy-fill fuel tank of the PRORUN trimmer.
5. Uputstvo za upotrebu
Learn how to start, operate, and stop your PRORUN trimmer safely and effectively.
5.1 Starting the Engine (Spring-Assist Starting)
- Place the trimmer on a flat, clear surface.
- Postavite prekidač za uključivanje/isključivanje u položaj 'UKLJUČENO'.
- Pritisnite pumpicu za gorivo 7-10 puta dok se gorivo ne vidi u povratnom vodu.
- Move the choke lever to the 'FULL CHOKE' position.
- 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.
- Move the choke lever to the 'HALF CHOKE' position.
- Pull the starter rope quickly and firmly 1-3 times until the engine starts.
- 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 Rukovanje trimerom
- Čvrsto držite trimer s obje ruke, osiguravajući ravnotežu.
- 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 Zaustavljanje motora
Da biste zaustavili motor, jednostavno pomaknite prekidač za uključivanje/isključivanje u položaj 'ISKLJUČENO'.
6. Održavanje
Regular maintenance ensures the longevity and optimal performance of your trimmer.
6.1 Čišćenje filtera za zrak
The air filter should be checked and cleaned regularly, especially in dusty conditions.
- Provjerite je li motor isključen i hladan.
- Locate the tool-less air filter cover.
- Remove the cover and carefully take out the air filter.
- 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 Inspekcija svjećica
Povremeno provjeravajte svjećicu na istrošenost ili nakupljanje ugljika.
- Odvojite žicu svjećice.
- Use the provided spark plug wrench to remove the spark plug.
- 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 Trimmer Line Replacement
The trimmer head uses .095-inch diameter line. Replace the line when it becomes too short or worn.
- Provjerite da li je motor isključen i da li je kabel svjećice isključen.
- Locate the bump feed head. Depending on the head design, you may need to press tabs or unscrew a cap to access the spool.
- Uklonite svu preostalu staru liniju.
- Cut a new length of .095-inch trimmer line (typically 15-20 feet).
- 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.
- Reassemble the trimmer head.

Figure 6.1: The bump feed trimmer head, showing the cutting line exit points.
7. Otkrivanje problema
This section addresses common issues you might encounter with your trimmer.
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Motor se ne pokreće |
|
|
| Engine runs, but cuts out |
|
|
| Trimerska nit se ne pomiče naprijed |
|
|
8. Specifikacije
| Feature | Detalj |
|---|---|
| Model | PSST217 |
| Tip motora | 2-Cycle Gas Engine |
| Engine Displacement | 25.4cc |
| Horsepower | 1.0 HP |
| Rezanje otkosa | 17 inča |
| Prečnik linije trimera | .095 inča |
| Tip osovine | Ravna osovina |
| Pokretanje sistema | Spring-Assist Starting |
| Približna težina | 15.6 lbs |
| Dimenzije proizvoda | 71.3"D x 13.6"Š |
9. Garancija i podrška
PRORUN offers a limited warranty for this product.
- Stambena upotreba: 3-godišnja ograničena garancija
- Komercijalna upotreba: 1-godišnja ograničena garancija
For warranty claims, technical support, or replacement parts, please contact PRORUN Customer Service.
- Telefon: 1-844-905-0882
- Email: info@proruntech.com

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





