Detailed Answer
Mining dust (coal dust) cleaning: 1. Air blow (dust gun) key gaps every shift; 2. Wipe housing with damp cloth weekly (no water rinse); 3. Check seals, breathable membrane monthly; 4. Never open housing to clean (prevent coal dust into circuit); 5. Coal dust accumulation affects heat dissipation and keys. Lideral LD series IP6X dustproof design + cleaning guidance.
| Every shift | Air blow gaps |
| Weekly | Damp cloth wipe |
| Prohibited | Open housing to clean |
Note:Coal dust is conductive; excessive accumulation risks short circuit.