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CAUTION
Thorough flushing and proper maintenance are
essential to keep your system working properly .
Improper flushing or maintenance may prevent the
system from working the next time you need it, and
may result in costly damage to the system.
Always flush your system thoroughly and immediate-
ly after each use.
Always drain all water out of the spray valve and leave
the system filled with mineral spirits to prevent corro-
sion.
NOTE: A Garden Hose Flush Adapter , P/N 220–331,
can be used if you are using penetrating or lock-
down encapsulants.This adapter is placed at the
pump inlet and uses a standard city water supply
to aid in flushing. Se ACCESSORIES, page 19,
to order it. Instructions on how to use it are in-
cluded with the adapter.
Flushing Procedure(Non oil–based materials only
1. Turn the ON/OFF switch to OFF.
2. Put the suction tube in a pail of warm, soapy water.
Hold the spray wand over the material pail, turn on
the system, and trigger the spray valve to drain and
save the material in the hoses. See Fig 3. Release
the trigger and shut off the pump as soon as all the
material is drained. This avoids contaminating the
material with the flushing water.
3. Now hold the spray wand over the flushing pail. Turn
on the pump and trigger the spray valve. Circulate
the solution for three to five minutes (five to ten min-
utes if using a cold solution). Open the priming valve
for a few seconds to clean the priming tube. Close
the priming valve.
4. Raise the suction hose above the water and run the
pump for a few seconds to drain the flushing solution.
Shut off the pump.
MAINTENANCE
5. Wash off all external parts of the hoses, spray valve
and wand, and pump.
6. Flush again with clean, clear water. Change the wa-
ter as necessary , until the system is thoroughly
cleaned.
7. Finally, flush the system with clean mineral spirits for
just a few seconds. Open the priming valve and turn
off the pump. Some mineral spirits must be left in the
system to prevent corrosion.
Never leave water or water-based material (latex) in
the system. To prevent corrosion in the pump, and
spray valve, your final flush must be with mineral
spirits.
8. Oil the needle in the spray valve and trigger the valve
a few times to distribute the oil. See Fig 3.
)
REGULARLY
Fig 3
Flushing Procedure (Oil-based Material Only)
NOTE: Follow the instructions above, except use miner-
al spirits. DO NOT heat the mineral spirits.
CAUTION
OIL
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