Graco 312359J Paint Sprayer User Manual


 
Recirculate
30 312359J
Recirculate
Without Heat
If using a system that does not require heat, recircula-
tion is still required prior to spraying. Recirculation
ensures that any settled fillers are mixed in, the pump
lines are fully primed, and the pump check valves are
operating smoothly.
1. Follow Prime, page 27.
2. Close mix manifold valves (AH, AJ).
3. Ensure recirculation hoses are in the correct hop-
pers.
4. Open recirculation valves (AC, AD).
.
5. Select pumps to recirculate by pressing to
scroll through: , , or .
6. Turn on the main air shutoff valve (CA). Use system
air regulator (CD) to slowly increase the air pressure
to the pumps until they start running slowly.
7. If the pumps are running too quickly, close the
restrictor on each fluid line.
AH
AJ
AD
AC
CD
CA