CHAMPION USN10 - Manual (Page 46)

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PART 4: CLEANING AND MAINTENANCE
4.4 Preventive Maintenance Schedules
Weekly Maintenance Requirements
Perform the following procedures every week.
CAUTION:
Only qualified service personnel should perform preventive maintenance
on the dishwasher
1. Inspect for leaks including all piping, tank seams, and supply connections.
Tighten or repair as required.
2. Inspect the front door for proper fit and ease of operation.
3. Check the operation of door safety switch.
Refer to Part 3.4, Safety and Operation Checks on page 22.
WARNING:
When working on the dishwasher, disconnect the electric service and place a tag at the
disconnect switch to indicate work is being done on that circuit.
4. Turn the power selector switch to OFF at the control cabinet.
5. Drain the dishwasher if required and inspect the float switches and probes in the
bottom of the tank. Float switch should move freely. Clean if necessary.
6. Check the spray arms and internal structures for wear or damage.
7. Reassemble the dishwasher.
8. Turn the power selector switch to ON at the control cabinet.
9. Check the operation of the start and stop switches on the control cabinet.
10. Check that the red power indicator works correctly.
11. Return the dishwasher to normal operation.
!