Graco Optimiser 2K 02748 Instructions Manual page 14

Daily Gun Care, Flushing, and Cleaning
CAUTION
Do not point the gun up while cleaning it as this
may allow fluid to enter the gun air passages.
Do not use metal tools to clean the air cap holes
as this may scratch them and distort the spray
pattern.
Do not immerse the gun.
Squeeze the excess fluid out of the cleaning cloth
before wiping the gun.
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 .
Fig. 22
D. Turn off 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.
M
R
Fig. 23
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