Graco 312359J Paint Sprayer User Manual


 
System Verification
312359J 41
2. Set main pump air regulator (CD) pressure to zero.
Open main pump and air valve (CA). Adjust main
pump air regulator (CD) pressure to 50 psi (0.35
MPa, 3.5 bar).
3. Dispense fluid A:
a. Close recirculation valves (AC, AD), mix mani-
fold valves (AH, AJ), and both sampling valves
(AE, AF).
.
b. Place a clean 1 quart (1000 cc) container under
sampling valve A (AE).
c. Press . Pump A light (DK) comes on.
d. Slowly open and adjust sampling valve A (AE)
to achieve desired flow. Pump stops automati-
cally; twice during test and again when dis-
pense completes. Pump A light (DK) turns off,
Pump B light (DK) turns on.
4. Close sampling valve A (AE).
5. Dispense fluid B as follows:
a. Place a clean 1 quart (1000 cc) container under
sampling valve B (AF).
CD
CA
AD
AF
AJ
AC
AE
AH