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Maintenance; Clean Chemical Feed Filter; Clean Chemical Feed Foot Valve; Clean Fresh Water Tank Filter - Sandia 80-5000 Operation And Maintenance Manual

Hard surface extractor sniper 12-gallon 1200 psi hard surface extractor 1200 psi adjustable pump, dual motors
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7.0 Maintenance Continued
7.8
Flush Solution Tank and Pump Continued
• 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.
• Close the dump valve and dispose of water.
• If there is heavy chemical build-up in the machine, hoses or tools, a mild acid can be
added to the rinse water in the previous procedure.
• 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 4-foot short section of the vacuum hose to vacuum the remaining acid solution
out of the solution tank.
• Pour two (2) or three (3) gallons of clean water into the solution tank.
• Connect the pump prime hose to the solution outlet female quick disconnect.
• 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 dump valve and open the dump valve to drain the water out
of the recovery tank.
• Close the dump valve and dispose of the water
Direct the end of the prime hose
into the recovery tank vacuum
barb.
(22) 1200 PSI Hard Surface Extractor
Vacuum solution out of solution
tank.

7.0 Maintenance

Regular maintenance is required to keep your Hard Surface Extractor in proper working
condition. Failure to properly maintain your machine could void warranty. Thoroughly
clean all equipment and accessories after each use.
WARNING: Disconnect electrical power cord before performing any service or
maintenance inside the machine base or before testing or repairing switches or power
cords. Failure to do so may result in severe personal injury or death.
Operation

7.1 Clean Chemical Feed Filter

7.2 Clean Chemical Feed Foot Valve

7.3 Clean Fresh Water Tank Filter

7.4 Clean Vac Shut-Off Assembly Screen
7.5 Clean Clear View In-Line Filter
7.6 Clean Auto-Dump Pump Out
7.7 Rinse Out Recovery Tank
7.8 Flush Solution Tank and Pump
7.9 Clean Waste Pump
7.10 Clean Pump-Inlet Filter
7.11 Clean In-Line Pump Filter
7.12 Flush Chemical System
7.13 WD-40 Vacuum Motors
7.1
Clean Chemical Feed Filter
The filter is on the end of the chemical feed hose
that is placed in the chemical jug as part of the
chemical feed system. Regularly examine
the filter and clean as needed.
7.2
Clean Chemical Feed Foot Valve
The foot valve is on the end of the chemical supply tube of the automatic chemical feed
system. It is necessary to remove the filter from the tubing. Just rinse with fresh water and
blow through the valve from the filter side of the barb. If necessary, use a tooth brush and
a mild acid rinse to remove detergent build-up. Note, a heavy build-up is a warning sign
that the solution system should be flushed. See the "Flush Chemical System" section.
7.3
Clean Fresh Water Tank Filter
The fresh water tank filter is located at the bottom of the solution tank. Unscrew the filter
counterclockwise and rinse with fresh water. If necessary, use a tooth brush to remove
detergent build-up. Note: a heavy build-up is a warning sign that the solution system
should be flushed. See the "Flush Chemical System" section.
Interval
Daily - After Each Job
Daily - After Each Job
Daily - After Each Job
Daily - After Each Job
Daily - After Each Job
Daily
Daily
Daily
Weekly - As Needed
Weekly - As Needed
Weekly - As Needed
Monthly
As Needed
Filter and Foot Valve
Chemical Feed Hose
1200 PSI Hard Surface Extractor (19)

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