Vacuum Degas Procedure - Graco PR70 Manual

On-Board Stainless Steel Feed Systems

Vacuum Degas Procedure

Before beginning the degas process, make sure to close the shutoff valve between the tank body. Failing to do
1.
so may actually add air to the material by pulling it in through any hoses or fittings. See the picture below for
location of the valves
Figure 31: Ball Valve Locations - Onboard (Left) Off-board (Right)
2. If your feed system also has a fill port in the lid., the next step is to turn off anything that may be pushing
material into the tank through that fill port and close the ball valve
Figure 32: Turning off fill port valve. (Off-board lid shown, follow same steps for on-board lids)
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