Graco EcoQuip 300 Operation, Repair, And Parts page 23

8. Engage the bung pin to hold the bung open and
allow air to enter.
9. Open the abrasive ball valve and flush the pot of
any remaining abrasive material.
334667G
10. Close the pop-up and connect the abrasive hose.
NOTE: The system must be winterized if it will be
NOTE: NOTE:
exposed to temperatures below freezing. See
Winterizing the Equipment, page
11. Relieve pressure to complete system shutdown
(see Pressure Relief Procedure, page
Operation
24.
10).
23