CHAMPION USN10 - Manual (Page 42)

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PART 3: OPERATION
3.5 Shutdown Procedure
Perform the following steps to shutdown the dishwasher after operation.
WARNING:
Dishwasher surfaces, dishracks and wares become hot during and immediately
after washing operations. Wear protective gear per your supervisor's directions.
1. Turn the power selector switch on the remote control cabinet to OFF.
The red power light goes out.
2. Turn the power off to the dishwasher at the main service disconnect switch or breaker.
3. Turn the power off to the electric booster (if applicable) at the main service disconnect
switch or breaker.
4. Close the steam supply valve (steam heated dishwashers).
5. Remove the upper and lower spray arms.
6. Inspect spray arm.
7. Flush arms with water.
8. Set spray arms aside.
9. Flush interior of machine to remove debris on upper hood surfaces.
10. Remove scrap screen from dishwasher interior.
11. Flush both sides of screen in remote sink to remove accumulated debris.
12. Flush interior of lower tank with fresh water to remove debris.
13. Clean drain screen.
14. Wipe interior of dishwasher including tank bottom.
15. Remove and clean pump intake screen. Replace immediately after cleaning.
16. Remove overflow tube and flush water down drain.
17. Clean float switch assembly and check for free movement.
18. Flush steam coil or electric heater.
Use a nonferrous scrub pad to remove scale from electric heaters if necessary.
19. Replace overflow tube.
20. Replace scrap screen.
21. Replace spray arm assemblies.
22. Leave door open to aid air drying of dishwasher interior.
23. Turn power off to exhaust vents (if applicable).