Flush cleaning solution (Figure 2-60).
Close the clean return valve (5).
Remove clean return hose (4) from the clean/flush tank overflow hose (14).
Remove waste out cap (15) (inside) from waste out connection.
Connect clean return hose (4) to waste out connection.
Open the clean return valve (5).
Be sure that the clean return hose is laid out without sharp kinks which will restrict the
Press BOOSTER PUMP START (8). Hold pushbutton in until feed pressure low light goes off.
Tank empties and pump stops.
If tank empties but pump does not shut off, push BOOSTER PUMP STOP. Operation can
continue by manually starting and stopping the pump. Notify unit maintenance.
Open clean/flush tank drain (7).
Connect auxiliary fill hose (1) from distribution pump to overflow hose (14).
When clean/flush tank is empty, press DISTRIBUTION PUMP ON (16) to rinse tank.
When one minute has passed, close clean/flush tank drain valve (7). Press DISTRIBUTION PUMP OFF (17) when
level reaches 75 gallons.
Remove chemical port cover (11). Add contents of one small bag of sodium bisulfite. Reinstall chemical port cover.
Press DISTRIBUTION PUMP ON (16) and, when clean/flush tank is full, press DISTRIBUTION PUMP OFF (17).
Press BOOSTER PUMP START (8) to flush system. Hold pushbutton in until feed pressure low light goes off.
When tank empties, the pump stops.
Repeat steps (j) through (o) for a second flush.
Continue with detergent cleaning.
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