Graco Inc. 02748 Paint Sprayer User Manual


 
14308-341
Daily
Gun Care, Flushing, and Cleaning
CAUTION
D Do
not point the gun up while cleaning it as this
may allow fluid to enter the gun air passages.
D
Do not use metal tools to clean the air cap holes
as this may scratch them and distort the spray
pattern.
D
Do not immerse the gun.
D
Squeeze the excess fluid out of the cleaning cloth
before wiping the gun.
D Typically
the gun should be flushed or cleaned with
soap and water. If solvent is used, do not use me-
thylene chloride with formic or propionic acid as it
will
damage nylon components.
1. General system maintenance.
A. Clean
the fluid and air line filters daily
.
B.
Check for fluid leakage from the gun and the
fluid hoses. Tighten fittings or replace equip
-
ment as needed.
C.
Flush the gun with water if it will not be used in
the next three days. Follow the flushing proce
-
dure below
.
2. Flush the gun.
A. Follow
the
Pressure Relief Procedure
on
page 7.
B.
Disconnect the adhesive and activator sup
-
plies and connect the supply lines to a water
supply.
C.
Point the gun down into the spray booth* and
spray until the water sprays clear
. See Fig. 22.
*If
the gun is flushed with solvent, be sure to spray the
solvent into a grounded metal waste container
.
2753
Fig.
22
D. T
urn of
f the fluid supplies.
E.
Follow the
Pressure Relief Procedure
on
page 7.
3. Clean the gun.
A. After
relieving pressure, disconnect the activa
-
tor and adhesive supply lines (M and R) from
the gun. See Fig. 23.
02799
R
Fig. 23
M