Graco 313289s Manual De Usuario

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Flush 
16
313289S
Empty and Flush Entire System 
(new sprayer or end of job)
NOTE: 
If system includes heaters and heated hose, turn 
them off and allow to cool before flushing. Do not 
turn on heaters until fluid lines are clear of sol-
vent.
Use the lowest possible pressure when flushing to 
avoid splashing.
Before color change or shutdown for storage, flush 
at a higher flow rate and for a longer time.
To flush only mix manifold, see Flush Mix Manifold 
procedure page 14.
Guidelines
Flush new systems if coating materials will be contami-
nated by 10W oil.
Flush system when any of the following situations occur. 
Flushing will help prevent materials from clogging the 
line between hoppers and pump inlets.
anytime sprayer will not be used for more than 
one week
if materials used will settle
if using thixotropic resins that require agitation
Procedure
1.
Follow Pressure Relief Procedure, page 12, and 
Flush Mixed Material, page 14, as required. 
Engage trigger lock. Turn main pump air regulator 
(CD) fully counter-clockwise to shut off.
NOTE: 
When flushing coating materials remove pump fluid fil-
ters, if installed, and soak in solvent to decrease clean-
ing time. Proceed with Step 2. If flushing a new system, 
leave filters in place.
2.
Move circulation return lines to separate fluid con-
tainers to pump remaining fluid out of system.
3.
Increase main pump air regulator (CD) pressure to 
30 psi (21 kPa, 2.1 bar).
4.
Select . 
Press
.
NOTE: 
When running pumps independently set to 
or
 
. Press  
 and 
 as needed to clean.
NOTE: 
If sprayer does not start with static pressure, increase 
air pressure by 10 psi (69 kPa, 0.7 bar) increments. To 
avoid splashing do not exceed 40 psi (28 kPa, 2.8 bar).
air regulator
TI1949a
CD
r_312359_313289_13