1. مقدمه
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your DEWALT DCD740B 20-Volt MAX Li-Ion Right Angle Drill. This tool is designed for drilling and driving applications, particularly in confined or hard-to-reach spaces where traditional drills may not fit.

شکل 1: جلو view of the DEWALT DCD740B Right Angle Drill, highlighting its compact design and yellow and black color scheme.
2. اطلاعات ایمنی
Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury. Read and understand all instructions before operating this tool.
- از محافظ چشم استفاده کنید: همیشه از محافظ چشم مناسب که مطابق با استانداردهای ملی فعلی است، استفاده کنید.
- محل کار را خلوت نگه دارید: مطمئن شوید که محل کار شما نور کافی دارد و از شلوغی و بینظمی دور است.
- قطعه کار ایمن: همیشه clamp یا به روش دیگری قطعه کار را محکم کنید تا از حرکت آن در حین کار جلوگیری شود.
- ایمنی باتری: Use only DEWALT 20V MAX Li-Ion batteries. Do not incinerate or expose batteries to high temperatures.
- از روشن شدن ناگهانی خودرو جلوگیری کنید: Ensure the trigger is in the OFF position before inserting the battery pack.
3. Components Overview
Familiarize yourself with the main parts of your right angle drill:
- 3/8" Ratcheting Chuck: For securing drill bits and driver bits.
- Right-Angle Head: Allows access to tight spaces.
- Multi-Grip Trigger: Provides variable speed control and comfort.
- کلید انتخاب سرعت: Two settings for different applications.
- سوئیچ جلو/عقب: Controls rotation direction.
- چراغ کار LED: Illuminates the work surface.
- 20V MAX Battery Interface: For connecting compatible DEWALT 20V MAX batteries.
- قلاب کمربند: For convenient tool storage when not in use.

شکل 2: سمت view of the DEWALT DCD740B Right Angle Drill, showcasing the battery slot and overall tool profile.
4. راه اندازی
4.1 نصب و خارج کردن باتری
- To install the battery: Align the battery pack with the rails inside the tool's handle and slide it in until it clicks securely into place.
- To remove the battery: Press the battery release button and pull the battery pack out of the tool's handle.
نصب ۵.۲ بیتی
The DCD740B features a 3/8" ratcheting chuck for quick and easy bit changes without a key.
- To open the chuck: Rotate the chuck collar counter-clockwise until the jaws are wide enough to accept your desired bit.
- To insert a bit: Insert the drill bit or driver bit into the chuck jaws. Ensure the bit is fully seated.
- To tighten the chuck: Rotate the chuck collar clockwise until the bit is firmly secured. The ratcheting mechanism will provide an audible click when tightened.

شکل ۲.۳: یک نمونه دقیق view of the 3/8-inch ratcheting chuck, designed for secure bit retention and easy bit changes.
5. دستورالعمل های عملیاتی
۵.۱ روشن/خاموش کردن و سرعت متغیر
The tool is activated by pressing the multi-grip trigger. The speed is variable, meaning the harder you press the trigger, the faster the drill will operate. Release the trigger to turn the tool off.

شکل ۲.۳: یک نمونه دقیق view of the multi-grip trigger and rubberized overmold, designed for comfort and control in various working positions.
5.2 انتخاب سرعت
Use the speed selector switch (located on top of the tool) to choose between two speed ranges:
- سرعت ۱ (پایین): 0-650 RPM, ideal for high-torque applications and larger diameter drilling.
- سرعت ۲ (زیاد): 0-2000 RPM, suitable for faster drilling and driving smaller fasteners.

Figure 5: A close-up of the two-speed selector switch, allowing users to choose between high and low RPM settings for different applications.
۶.۲ کنترل رو به جلو/عقب
The forward/reverse switch is located above the trigger. Push it to the left for forward rotation (drilling/driving) and to the right for reverse rotation (removing screws/bits).
5.4 چراغ کار LED
The integrated LED work light automatically activates when the trigger is pressed, illuminating the work surface for improved visibility in dimly lit areas.
5.5 Using in Tight Spaces
پیشنهاد اولیهtage of the DCD740B is its right-angle design, allowing it to fit into confined areas where standard drills cannot. Its compact front-to-back length (4.0") is specifically engineered for this purpose.

Figure 6: A user operating the DEWALT DCD740B Right Angle Drill to access a hard-to-reach area, demonstrating its compact head and ergonomic grip.
۵.۳ ویدیوهای آموزشی
Video 1: Short demonstration highlighting the DEWALT DCD740B Right Angle Drill's ability to access and operate effectively in extremely confined spaces.
ویدیوی ۱.۱: یک پایانview video explaining the practical advantages and applications of the DEWALT DCD740B Right Angle Drill, particularly for challenging drilling tasks.
ویدئو ۲: بررسی دقیقview of the DEWALT 20V Right Angle Cordless Drill, showcasing its features, performance, and suitability for various projects.
6. تعمیر و نگهداری
نگهداری منظم، عملکرد بهینه را تضمین میکند و عمر ابزار شما را افزایش میدهد.
- تمیز کردن: استفاده از نرم، دamp cloth to clean the exterior of the tool. Do not use harsh chemicals or abrasive cleaners. Keep ventilation slots clear of debris.
- مراقبت از باتری: Store batteries in a cool, dry place away from direct sunlight. Do not store discharged batteries for extended periods.
- تعمیر و نگهداری چاک: Periodically inspect the chuck jaws for wear or damage. Clean any dust or debris from the chuck mechanism.
- بازرسی عمومی: Regularly check for loose screws, misaligned or binding moving parts, broken parts, or any other condition that may affect its safe operation.
7 عیب یابی
If your DEWALT DCD740B is not functioning correctly, refer to the following common issues and solutions:
| مشکل | علت احتمالی | راه حل |
|---|---|---|
| ابزار شروع نمی شود | باتری شارژ نشده یا به درستی نصب نشده است. | مطمئن شوید که باتری کاملاً شارژ شده و به درستی در جای خود قرار گرفته است. |
| از دست دادن قدرت در حین کار | باتری ضعیف است یا ابزار بیش از حد بارگذاری شده است. | Recharge battery or reduce load on the tool. |
| مته در سه نظام میلغزد | سه نظام به اندازه کافی سفت نشده یا ساقه مته ساییده شده است. | Tighten chuck firmly. Replace worn bits. |
8. مشخصات
| ویژگی | مشخصات |
|---|---|
| نام تجاری | DEWALT |
| شماره مدل | DCD740B |
| منبع تغذیه | Battery Powered (20V MAX Li-Ion) |
| جلدtage | 20 ولت |
| Ampخشم | 20 Amps |
| حداکثر سرعت چرخش | 2000 دور در دقیقه |
| تعداد سرعت | ۲ (۰-۳۸۰ دور در دقیقه / ۰-۱۴۵۰ دور در دقیقه) |
| حداکثر اندازه چاک | 3/8 اینچ (10 میلی متر) |
| ابعاد محصول | 4.5 اینچ طول × 13 اینچ عرض × 3.6 اینچ ارتفاع |
| وزن مورد | 3.25 پوند |
| ویژگی های خاص | Compact, Reverse Rotation, Variable Speed |
9. گارانتی و پشتیبانی
Your DEWALT DCD740B 20-Volt MAX Li-Ion Right Angle Drill is covered by a 3 سال گارانتی محدود. For detailed warranty information, service, or technical support, please refer to the official DEWALT webبه سایت مراجعه کنید یا با خدمات مشتریان آنها تماس بگیرید. فاکتور خرید خود را برای درخواست گارانتی نگه دارید.





