DEWALT DWE4238-QS 150mm 1400W Mini-Angle Grinder Instruction Manual

1. Pengenalan dan Maklumat Keselamatan

This manual provides essential instructions for the safe and effective use of your DEWALT DWE4238-QS 150mm 1400W Mini-Angle Grinder. Please read and understand all safety warnings, instructions, illustrations, and specifications provided with this power tool before use. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.

Penggunaan yang Dimaksudkan

The DEWALT DWE4238-QS mini-angle grinder is designed for professional grinding, cutting, and brushing of metal and stone materials without the use of water. It is suitable for use with appropriate grinding, cutting, and wire brush accessories. Do not use this tool for purposes other than those specified.

Amaran Keselamatan Alat Kuasa Am

• Keselamatan Kawasan Kerja: Pastikan kawasan kerja bersih dan terang. Kawasan bersepah atau gelap mengundang kemalangan. Jangan kendalikan alatan kuasa dalam atmosfera yang mudah meletup, seperti di hadapan cecair mudah terbakar, gas atau habuk.
• Keselamatan Elektrik: Palam alat kuasa mesti sepadan dengan alur keluar. Jangan sekali-kali mengubah suai palam dalam apa jua cara. Jangan gunakan sebarang palam penyesuai dengan alat kuasa yang dibumikan (dibumikan). Elakkan sentuhan badan dengan permukaan yang dibumikan atau dibumikan.
• Keselamatan Diri: Sentiasa pakai pelindung mata. Gunakan peralatan pelindung diri seperti topeng habuk, kasut keselamatan tidak tergelincir, topi keras, atau perlindungan pendengaran apabila sesuai. Sentiasa berwaspada, perhatikan perkara yang anda lakukan dan gunakan akal semasa mengendalikan alat kuasa.
• Penggunaan dan Penjagaan Alat: Jangan paksa alat kuasa. Gunakan alat kuasa yang betul untuk aplikasi anda. Putuskan sambungan palam daripada sumber kuasa sebelum membuat sebarang pelarasan, menukar aksesori atau menyimpan alatan kuasa.

2. Komponen Selesaiview

Your DEWALT DWE4238-QS mini-angle grinder typically includes the following main components:

• Grinder Body with Motor Housing
• Side Handle (Auxiliary Handle)
• Pengawal Pelindung
• Butang Kunci Spindle
• Suis Hidup/Mati
• Kord Kuasa

This image displays the DEWALT DWE4238-QS mini-angle grinder, featuring its robust body, adjustable guard, and ergonomic side handle, ready for operation.

3. Persediaan dan Pemasangan

Memasang Pemegang Sisi

The side handle can be screwed into either side of the gear housing, depending on your preference and the application. Ensure it is tightened securely before operation to maintain control of the tool.

Melaraskan Pengawal Pelindung

The protective guard must always be used. Adjust its position to provide maximum protection for the operator, shielding against sparks and debris. Loosen the guard clamp screw, rotate the guard to the desired position, and then securely tighten the clamp skru.

Mounting Grinding/Cutting Discs

1. Pastikan alat dicabut dari sumber kuasa.
2. Tekan dan tahan butang kunci gelendong untuk mengelakkan gelendong daripada berputar.
3. Letakkan bebibir dalam pada gelendong.
4. Letakkan cakera pengisar atau pemotong pada bebibir dalam, pastikan ia rata.
5. Thread the outer flange (locking nut) onto the spindle and tighten it firmly using the provided spanner wrench. Do not overtighten.
6. Lepaskan butang kunci gelendong.

Always use discs that are rated for the maximum RPM of the grinder and are appropriate for the material being worked on. Inspect discs for damage before each use.

4. Arahan Operasi

Menghidupkan dan Mematikan

• Untuk Menghidupkan: Plug the tool into a suitable power outlet. For models with a slide switch, push the switch forward until it locks into the ON position. For paddle switch models, depress the paddle switch.
• Untuk Mematikan: For slide switch models, push the rear of the switch to release it to the OFF position. For paddle switch models, release the paddle switch.

Teknik Kerja

• Pengisaran: Hold the grinder firmly with both hands. Apply light pressure and move the tool evenly across the workpiece. Avoid excessive pressure, which can reduce efficiency and damage the disc.
• Memotong: Use a cutting disc and ensure the workpiece is securely clamped. Make straight cuts with a steady, controlled motion. Do not twist or bend the cutting disc, as this can cause kickback or disc breakage.
• Keselamatan Semasa Operasi: Always wear appropriate personal protective equipment (PPE), including safety glasses, hearing protection, gloves, and a dust mask. Ensure bystanders are at a safe distance. Be aware of sparks and hot debris.

5. Penyelenggaraan

Regular maintenance ensures the longevity and safe operation of your angle grinder. Always unplug the tool before performing any maintenance.

• Pembersihan: Periodically clean the ventilation slots to prevent overheating. Use compressed air to blow out dust and debris from the motor housing. Do not use water or chemical cleaners.
• Pemeriksaan Kord: Regularly inspect the power cord for damage, cuts, or fraying. If damaged, have it replaced by a qualified service technician.
• Pemeriksaan Aksesori: Before each use, inspect grinding and cutting discs for cracks, chips, or wear. Replace damaged accessories immediately.
• Storan: Simpan pengisar di tempat yang kering dan selamat dari jangkauan kanak-kanak.

6. Penyelesaian masalah

If you encounter issues with your DEWALT DWE4238-QS, refer to the following common troubleshooting steps:

• Alat Tidak Bermula:
  • Periksa sama ada kord kuasa dipasang dengan kukuh ke soket yang berfungsi.
  • Pastikan suis kuasa berada dalam kedudukan 'ON'.
  • Periksa kabel kuasa untuk kerosakan.
• Getaran Berlebihan:
  • Ensure the grinding/cutting disc is correctly mounted and securely tightened.
  • Check the disc for damage or imbalance; replace if necessary.
  • Pastikan pemegang sisi diikat dengan kemas.
• Terlalu panas:
  • Clean the ventilation slots to ensure proper airflow.
  • Avoid continuous heavy-duty operation; allow the tool to cool periodically.
  • Ensure you are not applying excessive pressure during operation.

For issues not resolved by these steps, contact DEWALT customer service or an authorized service center.

7. Spesifikasi

8. Waranti dan Sokongan

DEWALT products are manufactured to high-quality standards and are guaranteed for professional use. For detailed warranty information, including terms and conditions, please refer to the warranty card included with your product or visit the official DEWALT webtapak.

If you require technical assistance, service, or replacement parts, please contact DEWALT customer support or an authorized DEWALT service center. Always provide the model number (DWE4238-QS) and serial number of your tool when seeking support.