Graco 220-240 Instructions And Parts List page 6

CAUTION
Thorough flushing and proper maintenance are es-
sential 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 immedi-
ately after each use.
ALWAYS fully extend the telescoping extension
when flushing to clean it thoroughly.
ALWAYS drain all water out of the roller valve and
extension and leave the system filled with mineral
spirits to prevent corrosion.
Flushing (Latex Paint Only)
1. Turn the ON/OFF switch to OFF.
2. Fully extend the telescoping extension.
3. Trigger the roller valve and roll out the excess paint
onto a wall or newspaper. Remove the roller cover
and diffuser, and soak in a pail of warm soapy water.
4. Place the suction tube in the pail of warm, soapy wa-
ter. Hold the roller frame over the paint pail, turn on
the system and trigger the roller valve to drain and
save the paint in the hoses. Release the trigger and
shut off the pump as soon as all paint is drained, to
avoid contaminating the paint with the flushing water.
5. Now hold the roller frame over the flushing pail. Turn
on the pump and trigger the roller valve. Circulate the
solution for three to five minutes (five to ten minutes
if it is cold). Pump the extension in and out a few
times to clean it, and then leave it extended. Open
the priming valve for a few seconds to clean the prim-
ing tube. Close the valve.
Fig 3
307–760
MAINTENANCE
6. Raise the suction tube above the water and run the
pump for a few seconds to drain the flushing solution.
Shut off the pump.
7. Wash off all external parts of the hoses, extension,
roller frame, roller valve and pump.
8. Using clean, clear water, flush again, changing water
as often as necessary, until the system is thoroughly
cleaned.
9. 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. Retract the extension
before storing it.
Never leave water or water-based paint (latex) in the
system. To prevent corrosion in the pump, exten-
sion, roller valve and roller frame, your final flush
must be mineral spirits.
10. Clean the roller cover thoroughly by rinsing it inside
and out. Clean the diffuser as explained on page 3.
11. Oil the needle in the roller valve and trigger the valve
a few times to distribute the oil. See Detail A, Fig 3.
Flushing (Oil–based Paint Only)
NOTE: Follow the instructions above, except use miner-
al spirits. Do not heat the mineral spirits.
CAUTION
OIL REGULARLY
EXTENSION MUST
BE FULLY EXTENDED
WHEN FLUSHING