How to Maintain and Care for a Commercial Dishwasher

CHINENG explains how to maintain and care for commercial dishwashers—many operators are unsure how to clean them well.

1. Maintenance

1. Grease fixed and slide bearings every two weeks;

2. Oil motor chains monthly;

3. Check hook-tooth chains daily and replace damaged teeth/rollers promptly;

4. Clean the scrap module daily and change water; clean internal pumps monthly to prevent clogs;

5. Clean spray modules daily and change water; dust fans every 1–2 months;

6. Clean soak-tank scraps daily and change water; clean internal pumps monthly;

7. Clean scraps daily (2–3 times on heavy days) and change water; clean pumps monthly;

8. Check heaters and hot-air fans daily; keep water off drying heaters to extend life;

9. Keep fans, pumps, and motors dry to avoid burnout;

10. Clear screen debris during pump run and never dry-run pumps;

11. Oil the drive reducer every two months;

12. Cut power after each day’s use.

2. Care

1. Grease bearing housings every three months;

2. Grease motor drive chains and gearboxes every three months;

3. Every three months check conveyor pins, heater function, and control-box moisture;

4. Book professional commercial kitchen service for deep cleaning.