Graco 255828, Operations & Parts List

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Maintenance
312888D 13
Maintenance
Gun Service Kits
Use either the 1-Quart Gun Service Kit (296980) or
3-Gallon Gun Service Kit (296981) to perform daily
flushing of spray gun without disassembly.
For more information about the 1-Quart Gun Service Kit,
see Manual 311340.
For more information about the 3-Gallon Gun Service
Kit, see Manual 311340.
Daily Cleaning Procedure,
with Gun Service Kit
1. Set safety stop to SERVICE (CLOSED).
2. Close both manual valves.
3. Remove gun from coupling block.
4. Disconnect air and electric.
5. Attach service block of gun service kit to gun, and
then tighten using 5/16 in. nut driver.
6. Pressurize Service Kit container up to 100 psi. Do
not exceed 100 psi (0.7 MPa, 7 bar).
7. Open one manual valve on service block.
8. Connect air to gun. Set safety stop to OPEN.
9. Hold gun against grounded waste container.
10. Trigger gun and 1-Quart Gun Service Kit. Spray into
waste container until there is a fine, unobstructed
mist of gun cleaner.
11. Release trigger and close manual valve on service
block.
12. Repeat steps 7-11 for other side of gun.
13. Remove service block of gun service kit from spray
gun.
14. Set safety to SERVICE (CLOSED).
15. Disconnect air supply.
16. Clean removed component parts.
1-Quart Kit
3-Gallon Kit
To avoid static sparking that may result in fire or explo-
sion, ensure all equipment in cleaning procedure is
grounded. Do not clean on or near foamed or coated
surfaces or any other flammable surfaces or objects.
Do not use metal cleaning devices to clean plastic
components.