User's Manual

Park Metering Pump Rods
3A2776D 37
13. Close solvent flush valves.
14. Use a rag and solvent to clean spray tip then rein-
stall on gun.
15. Remove the static mixer. Clean the mix element
then re-install the mixer.
Park Metering Pump Rods
NOTE: This procedure is only necessary when the sys-
tem will not be used for more than a few hours. The pri-
mary purpose of this procedure is to prevent material
from hardening on the metering pump shaft by extend-
ing the pump so the portion of the shaft that is exposed
to material is not exposed to the air.
1. Close metering pump air supply ball valve then back
out the air pressure regulator.
2. Open fluid recirculation valves.
3. Close mix manifold material ball valves.
4. Open the metering pump air supply ball valve.
5. Press then press to start metering
pumps. Slowly adjust air pressure regulator until
pumps begin to move. Each metering pump will cir-
culate materials until they reach the bottom of the
stroke then will stop.
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