DH 5 SDS-max - Drill Flex - Free user manual and instructions
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| Product Type | SDS-max Rotary Hammer |
| Brand | Flex |
| Model | DH 5 SDS-max |
| Nominal Power | 1500 W |
| Supply Voltage | 230 V ~ 50 Hz |
| Chuck Type | SDS-max |
| Impact Energy | 8.5 J |
| No-load Impact Rate | 0 – 2700 blows/min |
| No-load Speed | 0 – 600 rpm |
| Max. Drilling Diameter in Concrete | 40 mm |
| Max. Drilling Diameter in Steel | 13 mm |
| Max. Drilling Diameter in Wood | 40 mm |
| Weight | 6.8 kg |
| Dimensions (L x W x H) | 480 x 110 x 290 mm |
| Sound Power Level (LWA) | 105 dB(A) |
| Sound Pressure Level (LpA) | 94 dB(A) |
| Hand-arm Vibration (Drilling) | 15 m/s² |
| Protection Class | II (double insulation) |
| Main Functions | Drilling, hammer drilling, chiseling |
| Variable Speed | Yes, variable |
| Rotation Direction | Left/Right |
| Anti-vibration Handle | Yes, auxiliary handle |
| Maintenance and Cleaning | Clean ventilation slots with a brush, periodic lubrication of the chuck |
| Spare Parts and Repairability | Carbon brushes, brush holders, chuck, switch available |
Frequently Asked Questions - DH 5 SDS-max Flex
How to change the SDS-max chuck?
To change the SDS-max chuck, pull the release collar back and insert the tool while twisting slightly until it locks. To remove, pull the collar and pull out the tool.
What oil to use for lubrication?
Use a special hammer drill oil or lithium grease. Apply a small amount into the chuck every 20 hours of use.
How to adjust the drilling depth?
Use the depth stop provided. Loosen the screw, adjust the rod to the desired depth, then retighten.
Why does the hammer not impact?
Check that the mode selector is set to 'hammer drilling'. Also ensure the tool is fully inserted into the chuck and that the carbon brushes are not worn out.
How to clean the ventilation slots?
Use a dry brush or a soft vacuum to remove dust. Never use compressed air as it could push dirt inside.
Can I use SDS-plus bits?
No, the SDS-max chuck is incompatible with smaller SDS-plus bits. Only use tools with an SDS-max shank.
How to replace the carbon brushes?
Unplug the tool. Remove the caps of the brush holders, take out the worn brushes and insert new ones in the correct orientation. Screw the caps back on.
What hearing protection to use?
Wear ear muffs with an attenuation of at least 25 dB, as the sound level exceeds 100 dB(A).
How to drill into metal?
Use a metal drill bit, disable the hammer action, and drill at low speed while lubricating with cutting oil.
What to do if the chuck no longer holds the tool?
Clean the inside of the chuck and the shank of the tool. If the problem persists, the chuck may be worn and needs to be replaced.
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