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General| Type | Rotary Hammer Drill |
|---|---|
| Power | 550W |
| Chuck Type | SDS-Plus |
| Weight | 2.3 kg |
| Power Source | Corded Electric |
| Max Drilling Capacity (Wood) | 20 mm |
| Max Drilling Capacity (Steel) | 13 mm |
| Max Drilling Capacity (Masonry) | 20 mm |
Highlights features like compact design, fast drilling, powerful motor, and variable speed.
Lists technical details: capacity, power, speed, weight, and included accessories.
Details optional items like drill bits, adapters, chucks, and dust collectors.
Compares DH 20PB specs against DH 24PB and competitor 'B'.
Presents test results comparing drilling speeds of DH 20PB with other models.
Advises salespeople on ensuring customers understand safe and efficient tool usage.
Provides guidance on lubricating the tool, especially the striking mechanism.
Explains internal mechanisms: rotation transmission, piston reciprocating, and gears.
Details the function and operation of the change lever for rotation and striking modes.
Explains setting the tool for rotation-only mode and potential operational issues.
Describes SDS-plus shank bits and the chuck section design for bit retention.
Explains the construction and operation of the drill chuck section for bit insertion and locking.
Details the use, mounting, and maintenance of the dust collector accessory for safety.
Provides step-by-step instructions for disassembling the striking mechanism and chuck sections.
Guides on reassembling the tool in reverse order with key points for correct assembly.
Specifies the type and amount of special grease needed for reassembly.
Lists the correct torque values for various screws used in assembly procedures.
Presents the electrical schematic for the tool's components and connections.
Details the internal wiring layout and connection procedures for switches and motor.
Outlines required insulation resistance and dielectric strength tests after repair.
Specifies acceptable no-load current values for different operating voltages.
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