Graco Inc. 220240 Power Roller User Manual


 
6
307–760
MAINTENANCE
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.
CAUTION
Flushing (Latex Paint Only)
1.
T
urn 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
dif
fuser
, 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. T
urn
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.
6.
Raise the suction tube above the water and run the
pump
for a few seconds
to drain the flushing solution.
Shut
of
f 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.
CAUTION
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 dif
fuser as explained on page 3.
1
1.
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.
Fig 3
EXTENSION
MUST
BE FULL
Y EXTENDED
WHEN FLUSHING
OIL REGULARL
Y