1. Uvod
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your GRAPHITE 58G874 Rotary Hammer. Please read this manual thoroughly before using the tool to ensure proper handling and to prevent injury or damage.
The GRAPHITE 58G874 is a versatile percussion hammer and demolition tool designed for demanding tasks such as drilling in concrete and chiseling. It features a powerful 1250W motor, 10J impact energy, and an SDS-Max chuck system for efficient bit changes.
2. Sigurnosna uputstva
Uvijek se pridržavajte osnovnih sigurnosnih mjera opreza kako biste smanjili rizik od požara, strujnog udara i tjelesnih ozljeda.
- Sigurnost radnog područja: Održavajte svoje radno mjesto čistim i dobro osvijetljenim. Ne koristite električne alate u eksplozivnim atmosferama, kao što je prisustvo zapaljivih tekućina, plinova ili prašine.
- električna sigurnost: Utikači električnih alata moraju odgovarati utičnici. Nikada ne modificirajte utikač ni na koji način. Izbjegavajte kontakt tijela sa uzemljenim površinama.
- Lična sigurnost: Always wear eye protection. Use hearing protection when operating the tool. Wear a dust mask if operations create dust. Dress properly; do not wear loose clothing or jewelry.
- Upotreba i njega alata: Ne forsirajte električni alat. Koristite odgovarajući električni alat za vašu primjenu. Isključite utikač iz izvora napajanja prije bilo kakvih podešavanja, promjene pribora ili skladištenja električnog alata.
- Specific Rotary Hammer Safety: Hold the tool firmly with both hands. Be aware of hidden wiring or pipes when drilling into walls. The tool can generate significant torque.
3. Komponente proizvoda

Slika 3.1: The Graphite 58G874 Rotary Hammer, showcasing its robust design and SDS-Max chuck.

Slika 3.2: The rotary hammer removed from its case, displaying the attached power cord and auxiliary handle.

Slika 3.3: The Graphite 58G874 Rotary Hammer and its accessories neatly stored within the durable carrying case.

Slika 3.4: The product packaging for the Graphite 58G874, highlighting key features and warranty information.
4. Podešavanje
4.1 Raspakivanje
Carefully remove the rotary hammer and all accessories from the carrying case. Check for any signs of damage during transit. Retain the packaging for future storage or transport.
4.2 Pričvršćivanje pomoćne ručke
The auxiliary handle provides additional control and stability during operation. Loosen the handle clamp, slide the handle onto the tool's neck, and tighten the clamp sigurno u udobnom položaju.
4.3 Inserting SDS-Max Bits
- Očistite dršku svrdla ili dlijeta.
- Apply a small amount of lubricant to the bit shank.
- Insert the bit into the SDS-Max chuck, pushing it firmly until it clicks into place. Pull on the bit to ensure it is securely locked.
- Da biste uklonili, povucite prirubnicu stezne glave i izvucite svrdlo.
5. Uputstvo za upotrebu
5.1 Priključak za napajanje
Ensure the tool's power switch is in the OFF position before plugging the 3-meter power cable into a suitable 230V power outlet.
5.2 Odabir načina rada
The Graphite 58G874 typically offers multiple operating modes (e.g., rotary hammer drilling, chiseling). Refer to the mode selector switch on the tool and set it to the desired function for your task.
5.3 Pokretanje i zaustavljanje
To start the tool, press the trigger switch. To stop, release the trigger switch. Some models may have a lock-on button for continuous operation; press the trigger fully and then press the lock-on button. To release, press the trigger again.
5.4 Savjeti za rad
- Apply steady, firm pressure. Do not lean into the tool excessively; let the hammer mechanism do the work.
- Za dlijeto, postavite dlijeto pod željenim uglom i aktivirajte alat.
- When drilling, ensure the drill bit is perpendicular to the surface.

Slika 5.1: The Graphite 58G874 in action, demonstrating its capability for demolition tasks on concrete.
6. Održavanje
6.1 Čišćenje
Nakon svake upotrebe, očistite vanjski dio alata mekom,amp krpu. Ne koristite jake hemikalije ili abrazivna sredstva za čišćenje. Ventilacijske otvore držite čistima od prašine i ostataka.
6.2 Podmazivanje
The Graphite 58G874 features easy access to the impact mechanism lubrication. Periodically check the lubricant level and replenish as needed using the provided lubricant reservoir. Refer to the tool's diagram for the lubrication port location.
6.3 Skladištenje
Store the tool in its original carrying case in a dry, secure location, out of reach of children and away from direct sunlight or extreme temperatures.
7. Otkrivanje problema
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Alat se ne pokreće | Nema napajanja; Neispravan kabel za napajanje/utikač; Oštećen prekidač | Provjerite utičnicu; Pregledajte kabel/utikač da li ima oštećenja; Obratite se servisnom centru ako je prekidač neispravan. |
| Smanjena snaga udara | Insufficient lubrication; Worn carbon brushes; Internal mechanism issue | Check and replenish lubricant; Have carbon brushes inspected/replaced by service; Contact service center. |
| Pretjerane vibracije/buka | Loose components; Worn bearings; Damaged bit | Check for loose parts; Replace worn bit; Contact service center for internal issues. |
| Bit se ne zaključava u steznoj glavi | Dirty bit shank; Damaged chuck; Incorrect bit type | Clean bit shank; Ensure SDS-Max bit is used; Contact service center if chuck is damaged. |
If you encounter problems not listed here or if the suggested solutions do not resolve the issue, please contact an authorized GRAPHITE service center.
8. Specifikacije
| Specifikacija | Vrijednost |
|---|---|
| Broj modela | 58G874 |
| Proizvođač | Grafit |
| Vrsta napajanja | Corded Electric |
| Voltage | 230 Volts |
| Snaga | 1250 Watts |
| Max Power | 1250 Watt |
| Stopa uticaja | 2800 min-1 |
| Energija udara | 10 J |
| Drilling Diameter in Concrete | 40 mm |
| Dužina kabla | 3 m |
| Tip stezne glave | SDS-Max |
| Dimenzije proizvoda (D x Š x V) | 48 x 31 x 12 cm |
| Težina artikla | 7.3 kilograma |
| Uključena dodatna oprema | Flat Chisel, Pointed Chisel, 3 Drill Bits, Lubricant Reservoir, Carrying Case |
9. Garancija i podrška
The GRAPHITE 58G874 Rotary Hammer comes with a 3-godišnja garancija, osiguravajući bezbrižnost u pogledu njegove kvalitete i trajnosti.

Slika 9.1: The 3-Year Warranty emblem, signifying product reliability.
For warranty claims, technical support, or spare parts, please refer to the contact information provided with your purchase or visit the official GRAPHITE website. Always use genuine GRAPHITE spare parts for repairs to maintain product performance and warranty validity.