3 In 1 Polishing Machine (Cleaning & Grading)

• Aspiration filter CLEANED — blocked filter reduces efficiency drastically
• Grade screens set for this pulse variety
• Polishing stones inspected for wear
• All discharge outlets clear

1. Run cleaning cycle with no grain for 30 seconds
2. Switch on ASPIRATION first — wait 15 seconds

1. Run cleaning cycle with no grain for 30 seconds
2. Switch on ASPIRATION first — wait 15 seconds
3. Feed pulses steadily — rated 200 kg/hr
4. Check output quality every 30 min — clean, uniform, no foreign matter
5. Adjust aspiration if dust in output
6. Run machine empty 2 min when batch complete
7. Switch off ASPIRATION LAST

6. Run machine empty 2 min when batch complete
7. Switch off ASPIRATION LAST

• Empty aspiration filter
• Brush screens and discharge outlets
• Log: pulse variety | input weight | output weight | rejection weight

• DUST MASK mandatory
• Aspiration outlet — keep face away from discharge

Poor output quality despite correct settings — polishing stones worn. Aspiration not clearing dust — filter blocked.

Routine prevention is embedded in the pre-operation and post-operation checks; no separate time-based preventive-maintenance interval is stated on the source card.