KR704 - Rotary hammer BLACK & DECKER - Free user manual and instructions
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| Product type | Rotary hammer |
| Brand | Black & Decker |
| Model | KR704 |
| Power | 700 W |
| Supply voltage | 230 V ~ 50 Hz |
| No-load speed (variable) | 0 - 1500 rpm |
| Impact rate | 0 - 4800 blows/min |
| Operating modes | Hammer + rotation, rotation only, hammer only |
| Drilling capacity (concrete) | 20 mm |
| Drilling capacity (steel) | 13 mm |
| Drilling capacity (wood) | 30 mm |
| Chuck type | SDS-plus |
| Weight | 2.8 kg |
| Cable length | 4 m |
| Sound level | 94 dB(A) |
| Vibration level | 15 m/s² |
| Dimensions (L x W x H) | 360 x 70 x 200 mm |
| Protection | Double insulation |
| Additional features | Reverse rotation, variable speed, continuous locking |
| Included accessories | Side handle, depth stop, drill bit, carrying case |
| Maintenance | Clean ventilation slots regularly, lubricate SDS chuck |
| Safety instructions | Wear safety glasses and ear protection, avoid damp environment |
| Spare parts available | Carbon brushes, chuck, switch, etc. |
Frequently Asked Questions - KR704 BLACK & DECKER
How to change the drill bit on the KR704?
To change the drill bit, pull the SDS-plus chuck collar backwards, insert the drill bit while turning slightly until it clicks, then release the collar. Make sure the bit is locked securely.
How to adjust the drilling depth?
Use the depth stop provided. Insert it into the hole on the side handle, then adjust the rod to the desired depth and tighten the locking screw.
Can this hammer be used as a normal drill?
Yes, turn the mode selector to the rotation only position (drill symbol). You can then drill without hammer, for example in wood or metal.
What to do if the tool does not start?
First check the power supply, cable and plug. Make sure the variable speed switch is not in the low position. If the problem persists, the carbon brushes may be worn: replace them.
How to clean the SDS-plus chuck?
Clean the chuck regularly with a dry cloth to remove dust. If the chuck is sticky, apply a specific SDS lubricant and operate the chuck empty to distribute the product.
What lubricant to use for the chuck?
Use a special grease for SDS-plus chucks, available at hardware stores. Do not use silicone oil or standard lubricants, as they could damage the mechanism.
What safety precautions to take?
Always wear safety glasses and ear protection. Use the side handle for better control. Do not work in the presence of electrical cables or hidden pipes.
How to replace the carbon brushes?
Unscrew the caps of the brush holders on the sides of the motor, remove the worn brushes, insert the new ones (same reference) and screw back. The brushes must be identical and properly seated.
What does the 'rotation only' mode mean?
The rotation only mode disables hammering. Use it for screwdriving or drilling soft materials like wood, drywall or metal, without damaging the surface.
Where to find spare parts?
Spare parts such as carbon brushes, chuck or switch are available from Black & Decker after-sales service or authorized dealers. Check the official website for references.
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USER MANUAL KR704 BLACK & DECKER
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Product information
Brand : BLACK & DECKER
Model : KR704
Category : Rotary hammer