
Figure 2: Metering Tip Dilution Ratios
Tip Color
Concentrated
Dilution Ratio
(oz./gal.)
Liquids Powders
Tan 0.30 ---
Orange 0.40 ---
Turquoise 0.50 ---
Pink 0.75 ---
Clear 1.00 ---
Brown 1.12 ---
Red 1.50 ---
White 1.75 ---
Green 2.00 0.25
Blue 2.50 0.30
Yellow 3.75 0.47
Black 5.00 0.63
Purple 8.50 1.06
Gray 11.50 ---
None 16.25 ---
Setup: inside the solution tank is a bottle oat. Check the chemical feed
supply foot valve for debris and clean if necessary. Insert the line into the
cleaning concentrate so that it touches the bottom of the bottle. Set cleaning
concentrate on the machine or inside the fresh water solution tank opening.
Connect the ll hose to the quick disconnect located on the back of the
machine. Attached the water supply hose to any available faucet. It may
require adapters to t the various faucet combinations you will encounter.
Never force a threaded tting. Place a towel over the faucet connection
so that any spray will be controlled. Turn on the water and check the hose
connections for leaks.
The solution tank will ll approximately half full (about 5-gallons). As the
tank is lling, cleaning concentrate is being drawn into the solution tank.
Shutdown: before the end of each job, turn off the water supply to
prevent the solution tank from becoming completely full. With the cleaning
completed and the solution pump turned off, disconnect the ll hose from the
faucet, drain the water in the ll hose back into the solution tank and remove
the ll hose. Remove the chemical feed supply tube from the chemical
solution jug, clean the lter and place into the solution tank. Vacuum out the
solution tank and clean the solution tank water lter.
3.0 Prepare Unit for Use Continued
3.1 Automatic Chemical Feed Continued
Liquid Concentrates: the Hard Surface Extractor comes with the orange metering tip installed at the factory. This tip
is rated for a 0.4 oz. of chemical per gallon of water, which is a standard dilution ratio for the most popular liquid cleaning
products on the market. Refer to your product’s dilution ratio for portable extractors and select the proper metering tip
from the chart displayed in Figure 2.
Fresh Water Rinse: for fresh water rinsing, simply leave the chemical supply tube in the solution tank.
Manual Filling: to use the Hard Surface Extractor without the automatic lling system, simply pre-mix your solution.
3.2 Pressure Pump System
The Hard Surface Extractor utilizes a twin piston pump which is adjustable from 100-1200 PSI. Never operate the pump
at a pressure setting over 1200 PSI or without water in the solution tank. Doing so will damage the pump and will void
the warranty. Anytime the Hard Surface Extractor has been stored for a period of time or has had the pump run “dry,”
the solution pump will have to be primed to remove air which might be trapped in the pumping system (see “Priming the
Solution Pump” section).
When high pressure drop is engaged, a pressure drop of approximately 100 PSI is considered normal. However, if
pressure drops greatly exceeding 100 PSI or if there is strong pulsation in the solution hose, prime the pump.
Pressure Regulator (Unloader Valve): pressure is easily adjusted by a pressure regulator located on the rear of the
machine next to the pressure gauge, only when the valve to a wand or high pressure valve is engaged. To increase the
solution pressure, twist the regulator handle clockwise. DO NOT operate the pump above 1200 PSI.
Priming the Solution Pump: connect the pressure hose to the female quick disconnect (QD) on the front of the
machine. Insert an open-ended male QD into the female QD on the end of the pressure hose.
Turn on the pressure pump switch and the vacuum switches (both vacuum I and II switches). Direct the solution back
into the recovery tank through the vacuum inlet. Cup your hand around the vacuum inlet allowing the vacuum from the
Hard Surface Extractor to pull the solution through the solution hose. Allow solution to run for 10 seconds. This allows
the solution to push out any air in the pumping system. Repeat this procedure if necessary. When the pressure hose is
connected to the wand, the pressure drop should only be approximately 100 PSI.
(5) 12-Gallon, 1200 PSI Hard Surface Extractor