Welker AD905BP, Installation, Operation And Maintenance Manual

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IOM-189 MODEL: INFLOW™ ACE MANUAL INSERTION REV: G 13839 West Bellfort Street, Sugar Land, TX 77498 welker.com Service Department 281.491.2331
Purge Assembly
Figure 18: Outlet Assembly With Purge
9.
Unscrew the sample outlet flexline from the elbow above the sample outlet.
10.
Unscrew the purge assembly at the tee connecting it to the insertion shaft or to the external adjustment body. Note that
the long purge tube is attached to the purge assembly and will also be removed at this time. Take care not to bend or
otherwise damage the purge tube.
11.
Unscrew the external sand relief from emergency shutoff valve E.
12.
Unscrew the flexline from the elbow in the external sand relief.
13. Unscrew the base of the external sand relief from the body ( Figure 19 ).
Figure 19: External Sand Relief Maintenance Diagram
14.
Replace the O-ring on the base.
15.
Unscrew the jam nut from the adjusting screw.
16.
Inspect the poppet for scratches or other damage. If scratches or other damage are present on the poppet (face) seat,
replace the poppet.
17.
Reassemble the external sand relief.
18.
Screw the external sand relief into emergency shutoff valve E ( Figure 18 ).
19.
Screw the flexline into the elbow in the external sand relief ( Figure 18 ).