Champion pp-28 Betriebsanweisung

COMPONENT REPLACEMENT

1. Turn the main water supply to machine off.

2. Flip the power toggle switch to OFF.

3. Turn off main incoming power.

4. Loosen the locknut on the adjusting screw in the top of the PRV.

5. Turn the adjusting screw clockwise to increase the flowing pressure to the machine.

6. Turn the adjusting screw counterclockwise to reduce the flowing pressure to the machine.

7. Observe the pressure reading on the control panel to confirm the proper setting of 

20-22 psi/138-151 kPa during the final rinse.

8. Tighten the locknut on the adjusting screw.

9. If the proper pressure cannont be acheived then check the water pressure before the PRV, it

may be too low, or replace the PRV.

The vacuum breaker is located at the top right rear  corner of the unit. It prevents siphoning of
water from the unit back in into the potable water supply. The vacuum breaker contains a
replaceable float assembly.

CAUTION:
Use extreme caution when servicing the breaker to prevent damage to the final rinse
manifold.

1. Turn the main water supply to the machine off.

2. Flip the power toggle switch to OFF.

3. Turn off main incoming power.

4. Remove the retaining screw in the vacuum breaker cap. Remove cap.

5. Remove the vacuum breaker top with a wrench turning

counterclockwise.

6. Remove the float assembly with a pair of needle nose pliers.

7. Inspect the bore of the vacuum breaker. If pitted, replace the entire

vacuum breaker. Otherwise, install the repair kit.

8. Reassemble in the reverse order.

9. Restore the power and water, and check for proper operation.

Figure 10

Vacuum Breaker