Graco 312359J Paint Sprayer User Manual


 
Spray
32 312359J
Spray
NOTE:
After the first day of spraying follow Pressure Relief
Procedure, page 34, and then tighten throat seals on
both pumps and dosing valves.
1. If heaters are used, use heater junction box to turn
them on. To adjust heater temperature, refer to the
Viscon HP manual for instructions, and the Heat
Fluid section, page 31.
.
2. Close recirculation valves and mix manifold flush
valve. Open mix manifold valves A (blue) and B
(green).
.
3. Adjust pump air regulator to 30 psi (0.21 MPa, 2.1
bar).
4. Select . Press .
5. Disengage trigger lock and trigger gun into a
grounded metal pail. Use a metal pail lid with a hole
to dispense through to avoid splashing. Dispense
flush solvent out of mix hose until a well mixed coat-
ing flows from the gun.
6. Engage trigger lock. Install tip on gun.
7. Adjust air regulator (CD) to the necessary spraying
pressure and apply coating to a test panel. Look at
ratio screen to ensure it is reading the correct ratio.
Also, look at bar graph to ensure mix manifold
restriction adjustment is within optimal range. Refer
to Batch Ratio Dispense Test, page 43 and Adjust
B Machine Outlet Restriction, page 33.
8. Follow Flush Mix Manifold, page 36, or Park Fluid
Pump Rods, page 38, when you are finished spray-
ing or before potlife expires.
NOTE:
Mixed material potlife or working time decreases with
increased temperature. Pot life in hose is much shorter
than dry time of coating.
Wear gloves when using flush solvents and/or if fluid
temperature exceeds 110° F (43° C).
Fluid Heater A
Fluid Heater B
ti21275a
Hardener
Circulate
Resin
Circulate
Resin
Valve
(Blue)
Hardener
Valve
(Green)
TI1950a
TI1953a
TI1949a