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CLEAN WASTE PUMP-OUT PUMP:
(With optional Auto Pump-Out System Only)
Build-up of fine silt inside the Waste Pump can clog the pump even if the pump is not used, so this
maintenance procedure should be performed regardless of whether the Waste Pump has been used.
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After cleaning out the recovery tank, remove the cap and connect the Pump-Out hose to the Waste
Pump outlet fitting on the back of the machine; run the hose to a drain..
•
With Cord #2 plugged in, turn the Waste Tank switch to the ON position.
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Use a hose to fill the recovery tank to the point where the float switch turns the Waste Pump ON.
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Let the pump run until it pumps the level down to the point when the float switch shuts off the Waste
Pump.
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Unplug the cord and turn the Waste Pump switch OFF.
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Open the drain valve and drain out the remaining water.
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Close the drain valve, replace the recovery tank lid, and dispose of the dirty water and debris.
FLUSH SOLUTION TANK AND PUMP:
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Pour two or three gallons of clean water into the solution tank.
•
With Cords #1 & #2 plugged in, connect the pump prime hose to the
solution outlet female quick connect.
•
Direct the end of the prime hose into the recovery tank vacuum barb.
•
Turn one or both of the vacuums ON and turn the solution pump ON.
•
Let the pump run until most of the water has been pumped out of the
solution tank.
Do not let the pump run dry. Turn the pump OFF
before the water gets to the bottom of the tank.
•
Turn the vacuums OFF and disconnect the prime hose.
•
Place a bucket under the drain valve; open the drain valve to drain the water out of the recovery tank.
•
Close the drain valve and dispose of the water.
If there is a heavy chemical build-up in the machine, hoses, or tools, a mild acid can be added to the rinse
water in the previous procedure (REFER TO PHOTOS ON FOLLOWING PAGE.)
•
After the pump has been primed, turn the solution pump switch OFF and turn the vacuums OFF.
•
Remove the prime hose and connect the HP solution hose and tools.
•
Turn the solution pump ON and direct the tool spray into a bucket. Let the pump run until most of
the water has been pumped out of the solution tank.
Do not let the pump run dry. Turn the pump
OFF before the water gets to the bottom of the tank.
•
Disconnect the solution hose and tool.
•
Use the vacuum hose to vacuum the remaining acid solution out of the solution tank.
•
Pour two or three gallons of clean water into the solution tank.
•
Connect the pump prime hose to the solution outlet female quick connect.
•
Direct the end of the prime hose into the recovery tank vacuum barb.
•
Turn one or both of the vacuums ON and turn the solution pump ON. Let the pump run until most
of the water has been pumped out of the solution tank.
Do not let the pump run dry. Turn the
pump OFF before the water gets to the bottom of the tank.
•
Turn the vacuums OFF and disconnect the prime hose.
•
Place a bucket under the drain valve and open the drain valve to drain the water out of the recovery
tank.
Pour 2 or 3 gallons of clean
water into Solution Tank
