Graco PR70 Manual page 29

On-Board Stainless Steel Feed Systems
3. If the feed system doesn't come with a desiccant dryer or a nitrogen pump already installed, install them into
the top ball valve (1/4" NPT for onboard lids and 3/4" NPT for off-board lids) and close the ball valve
Figure 33: Installing air treatment (if any) and Turning off Inco
same steps for on-board lids)
4. Attach the vacuum pump to the lower ball valve (1/4" NPT for onboard lids and 3/4" NPT for off-board lids) and
turn on your vacuum pump
Figure 34: Where to hook up the vacuum pump (Off-board lid shown, follow same steps for on-board lids)
312394B
Insert Desicant Dryer Or
Nitrogen in top ball valve
ming Air Valve (Off-board lid shown, follow
Insert Vacuum Pump into
lower ball valve
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