Graco 311340C Welder User Manual


 
Operation
311340C 9
Operation
Allow chemicals in spray gun to cool before
cleaning.
Fill 1 Quart Solvent Cup
1. Relieve solvent container pressure. See
page 8.
2. Remove fill cap (C) from solvent container.
Fill container 2/3 full with compatible sol-
vent. Retighten fill cap (C) snugly.
See FIG. 3.
Flush Gun
1. Set safety stop to CLOSED (SERVICE).
2. Close both manual valves.
3. Remove gun from coupling block.
4. Attach service block of gun service kit to
spray gun, and then tighten using 5/16 in.
nut driver.
5. Pressurize Service Kit container. DO NOT
EXCEED MAXIMUM RATED PRESSURE.
3 Gallon Tank: pressurize up to 90 psi (0.63
MPa, 6.3 bar).
1 Quart Cup: pressurize up to 120 psi (0.83
MPa, 8.3 bar).
6. Open one manual valve on service block.
7. Connect air to gun. Set safety stop to
OPEN.
8. Hold gun against grounded waste con-
tainer.
9. Trigger gun and spray into waste container
until there is a fine, unobstructed mist of
gun cleaner.
Do not overpressurize container. The safety
valve will automatically open if pressure
exceeds its factory-set level.
Use air to pressurize container. Do not use
carbon dioxide or nitrogen.
To avoid static sparking that may result in fire
or explosion, ensure all equipment in clean-
ing procedure is grounded. Do not clean on
or near foamed or coated surfaces or any
other flammable surfaces or objects.
At least 1/3 of container must be empty so
it can be pressurized with air.
For 1 Quart Cup only: trigger solvent con-
tainer valve (G) to control solvent flow. See
FIG. 3.