Indledning
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your Crown CT18024 BMC Rotary Demolition Hammer. Please read this manual thoroughly before using the tool to ensure proper handling and to prevent injury or damage.

Image: The Crown CT18024 BMC Rotary Demolition Hammer, a powerful grey and red tool, is shown alongside its black, durable carrying case. The hammer features a robust body, a front chuck for bits, and an auxiliary handle for improved control.
Generelle sikkerhedsinstruktioner
Overhold altid grundlæggende sikkerhedsforanstaltninger for at reducere risikoen for brand, elektrisk stød og personskade.
- Sikkerhed på arbejdsområdet: Hold arbejdsområdet rent og godt oplyst. Rodede eller mørke områder indbyder til ulykker. Brug ikke elværktøj i eksplosive atmosfærer, f.eks. i nærheden af brandfarlige væsker, gasser eller støv.
- Elektrisk sikkerhed: Elværktøjsstik skal passe til stikkontakten. Modificer aldrig stikket på nogen måde. Misbrug ikke ledningen. Hold ledningen væk fra varme, olie, skarpe kanter eller bevægelige dele.
- Personlig sikkerhed: Always wear eye protection. Use hearing protection when operating the tool. Dress properly; do not wear loose clothing or jewelry.
- Brug og pleje af værktøj: Tving ikke elværktøjet. Brug det korrekte elværktøj til din anvendelse. Tag stikket ud af strømkilden, før du foretager justeringer, skifter tilbehør eller opbevarer elværktøj.
Opsætning
Udpakning
Carefully remove the demolition hammer and all accessories from the packaging. Inspect the tool for any signs of damage that may have occurred during transit. Retain packaging for future storage or transport.
Montering af hjælpehåndtaget
- Løsn clampmekanismen på hjælpehåndtaget.
- Slide the auxiliary handle onto the front barrel of the demolition hammer.
- Adjust the handle to a comfortable and secure position for your grip.
- Spænd clampmekanismen fast for at fastgøre håndtaget.
Installing the HEX-30 Bit
- Sørg for, at værktøjet er frakoblet strømkilden.
- Clean the shank of the HEX-30 bit.
- Insert the bit into the chuck opening. Push and rotate the bit until it clicks into place.
- Pull on the bit to ensure it is securely locked. It should not come out easily.
Betjeningsvejledning
Strømtilslutning
Connect the power cord to a suitable 220-230V AC power outlet. Ensure the outlet is properly grounded and capable of supplying the required amperage (7.7 A) for the 1700 W motor.
Start og stop
- At begynde: Tryk på ON/OFF-knappen.
- At stoppe: Release the ON/OFF switch. For continuous operation, some models may have a lock-on button. If present, press the lock-on button after pressing the ON/OFF switch, then release the ON/OFF switch. To stop, press the ON/OFF switch again to release the lock.
Nedbrydningsoperation
- Hold the demolition hammer firmly with both hands, using the main handle and the auxiliary handle.
- Position the chisel or point of the bit against the material to be demolished.
- Start the tool and apply steady, firm pressure. Allow the tool to do the work; excessive force is not necessary and can lead to fatigue or damage.
- Maintain a stable stance and be aware of falling debris.
Note: This tool is designed for heavy-duty demolition tasks. Always wear appropriate personal protective equipment (PPE) including safety glasses, hearing protection, gloves, and a dust mask.
Opretholdelse
Regular maintenance ensures optimal performance and extends the lifespan of your tool. Always disconnect the tool from the power supply before performing any maintenance.
Rensning
- Rengør værktøjshuset med en blød klud efter hver brug.amp klæde. Brug ikke skrappe kemikalier eller slibende rengøringsmidler.
- Fjern støv eller snavs fra ventilationsåbningerne for at forhindre overophedning.
- Rengør borepatronen regelmæssigt for at sikre jævn isætning og fjernelse af boret.
Smøring
The internal mechanisms of the demolition hammer require periodic lubrication. Refer to the service diagram (if provided with the physical manual) for specific lubrication points and recommended lubricants. Typically, the chuck mechanism benefits from light grease application.
Udskiftning af kulbørste
Carbon brushes are wear items and will need replacement over time. When the motor performance decreases significantly or sparks become excessive, the carbon brushes may need to be checked and replaced. This procedure should ideally be performed by a qualified service technician.
Opbevaring
Store the demolition hammer in its original carrying case in a dry, secure location, out of reach of children. Ensure the tool is clean and free of debris before storage.
Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Værktøjet starter ikke | Ingen strømforsyning; Defekt afbryder; Slidte kulbørster. | Kontroller strømtilslutning og stikkontakt; Få afbryderen eftersøgt af en tekniker; Udskift kulbørster. |
| Reduceret slagkraft | Worn bit; Insufficient lubrication; Internal mechanism issue. | Replace bit; Apply appropriate lubricant to chuck; Consult service center. |
| Overdreven gnister fra motoren | Slidte kulbørster; Snavset kommutator. | Replace carbon brushes; Have commutator cleaned by technician. |
| Værktøjet overophedes | Tilstoppede ventilationsåbninger; Overbelastning af værktøjet. | Clean ventilation slots; Reduce load and allow tool to cool. |
For issues not listed or if solutions do not resolve the problem, contact an authorized service center.
Tekniske specifikationer
| Feature | Detalje |
|---|---|
| Modelnummer | CT18024 / 1130263 |
| Mærke | Krone |
| Nominel effekt | 1700 watt |
| Voltage | 220-230 Volt AC |
| Ampslette | 7.7 Amps |
| Chuck-type | Hex-30 |
| Varens vægt | 23 kilo |
| Produktmål (L x B x H) | 78.2 x 36.3 x 16.3 cm (ca.) |
| Strømkilde | Elektrisk med ledning |
| Farve | Grå/Rød |
Garanti og support
Specific warranty terms and conditions for Crown products may vary by region and retailer. Please refer to the warranty card included with your purchase or visit the official Crown website for detailed information regarding warranty coverage and service procedures.
For technical support, spare parts, or service inquiries, please contact your authorized Crown dealer or service center. Keep your purchase receipt and model number handy when contacting support.





