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Model W1802 2 QT. Professional Spray Gun
-11-
CLEANING & LUBRICATION
Cleaning
Proper cleaning is the best way to ensure
trouble free performance from your spray
system. If your system is not thoroughly
cleaned, damage and poor spraying will
result. Problems caused by improper clean-
ing will not be covered by the warranty.
Clean the spray gun, hose and pressure
cup immediately after each use.
To clean your spray system:
1. Depressurize the cup by disconnecting
from the compressed air, and bleed
the system by loosening (DO NOT
REMOVE) the pressure relief valve
until "zero" pressure is recorded on
the pressure cup gauge (see Figure
16).
EXPLOSION HAZARD! Do not
unscrew pressure cup lid while under
pressure! Exploding paint material
and solvents could cause serious
injury!
3. Clean pressure cup with solvent.
4. Add clean solvent to pressure cup,
replace the lid and repressurize.
5. Spray the gun until the fluid sprays
clear to clean the fluid hose.
Note: Check local laws regarding
this practice. If you are spraying on
a regular basis, spraying solvents
into the air may be illegal. A closed
system cleaner may be required.
HEALTH & CONTAMINATION
HAZARD! Dispose of paint waste in
a responsible manner! Follow manu-
facturer's recommendations and local
laws regarding disposal. Failure to
comply will result in contamination
and possibly large fines and penal-
ties.
EXPLOSION HAZARD! Chlorinated
Solvents like 1,1,1-Tricloroethane and
Methylene Chloride (methyl chloride)
can chemically react with aluminum
and may explode. Many parts in spray
guns and pressure cups are made of
aluminum. Read your solvent label
carefully before using solvent.
2. Unscrew the cap and empty the
pressure cup contents into an
approved receptacle.
Pressure Relief Valve
Figure 16. Pressure relief valve.
Pressure Relief Valve