Rusty Makita Demolition Hammer HM0871C Restoration Tutorial | Hammer Drill AVT technogogy

i spend 3 days to restore it, too much parts in this Demolition Hammer, but everything done now. Hope you all like this.
thanks all
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Description:
Makita Demolition Hammer HM0871C Restoration Tutorial
High durability and excellent demolition performance. Anti-vibration technolgy ensures extra-low vibration performance. Adapted for SDS-MAX bits.
Technical Information
- Impact energy 8.1 J
- Blows per minute 1100-2650 bpm
- Input wattage 1100 w
- Vibration: Chiselling 8 m/sec²
- Vibration K factor 1.5 m/sec²
- Noise sound pressure 86 dB(A)
- Noise sound power 97 dB(A)
- Noise K factor 3 dB(A)
- Net weight 5.6 - 5.8 kg
User Benefits
- Double Insulation
- Variable speed
- Constant speed under load
- Soft start
- One touch sliding chuck for easy bit installation and removal.
LED lamp indicates when to replace carbon brush.