Graco AIRPRO 312414D - Manual (Page 10)

Daily Gun Maintenance
10 312414D
Daily Gun Maintenance
General Tasks
• Frequently lubricate the gun moving parts
with a drop of non-silicone oil.
• Do not disassemble the spray gun if you
are having a spray pattern problem. See
Troubleshooting, page
12 , for information
on how to correct the problem.
• Follow the Pressure Relief Procedure,
page
9 .
• Clean the fluid and air line filters daily.
• Check for any fluid leakage from gun and
fluid hoses.
Flush
Flush before changing colors, before fluid can
dry in the equipment, at the end of the day,
before storing, and before repairing equip-
ment. Flush at the lowest pressure possible.
Check connectors for leaks and tighten as nec-
essary. Flush with a fluid that is compatible
with the fluid being dispensed and the equip-
ment wetted parts.
1. Follow Pressure Relief Procedure,
page 9 .
2. Disconnect the fluid supply hose and air
supply hose from gun.
3. Connect the solvent supply hose to the
gun.
4. Start the pump. Always use the lowest pos-
sible fluid pressure when flushing.
5. Hold a metal part of the gun firmly to a
grounded metal pail. Trigger the gun until
clean solvent dispenses.
6. Turn off solvent supply.
7. Follow Pressure Relief Procedure,
page 9 ,
8. Disconnect the solvent supply hose from
the gun.
Follow Pressure Relief Procedure, page 9 ,
when you stop spraying and before cleaning,
checking, servicing, or transporting equip-
ment. Read Warnings, page
5 .
CAUTION
Solvent left in gun air passages could result
in a poor quality paint finish. Do not use any
cleaning method that may allow solvent into
the gun air passages.
• Do not point gun up while cleaning it.
• Do not wipe gun with a cloth soaked in
solvent; wring out the excess.
• Do not immerse the gun in solvent.
See Compliant Cleaning Methods,
page
11 , to comply with air quality laws if
applicable.