Graco PT2500 Instructions-Parts List Manual page 13

5. Open the bypass valve (66) ONE turn counter-
clockwise.
6. Raise the paint pump above the solvent, turn on the
sprayer, and allow the pump to run itself dry. Turn the
sprayer OFF.
7. Using a clean pail of water or solvent, and the lowest
possible pressure, flush again to be sure all paint par-
ticles are removed.
8. Remove the paint strainer and clean it thoroughly.
9. Now lubricate the inlet valve.
Lubricate the Inlet Valve. See Fig. 9.
1. Follow the Pressure Relief Procedure on page 8.
Remove the inlet screen.
2. Turn the sprayer over. Press down lightly on the stem
(A) of the inlet valve (26) with a small screwdriver.
Pour about a teaspoon of mineral spirits or solvent
into the valve, then remove the screwdriver.
Maintenance
3. Set the sprayer upright. Increase the pressure con-
trol setting half way. Turn on the sprayer for a few se-
conds, then turn it OFF.
4. Now tighten the paint pump screws (25) and the inlet
valve (26).
Fig. 9
The maintenance procedure is continued on the next
page.
26
A
22