Maintenance; Gun Service Kits; Daily Cleaning Procedure, With Gun Service Kit - Graco 255828 Operations & Parts List

Ar pour gun
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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.
1-Quart Kit
For more information about the 1-Quart Gun Service Kit,
see Manual 311340.
3-Gallon Kit
For more information about the 3-Gallon Gun Service
Kit, see Manual 311340.
312888D
Daily Cleaning Procedure,
with Gun Service 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.
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.
Do not use metal cleaning devices to clean plastic
components.
Maintenance
13

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