27
IOM-161
MODEL: INFLOW™ ACE WITH AI CONTROL™
REV: D
13839 West Bellfort Street, Sugar Land, TX 77498
welker.com
Service Department 281.491.2331
3.2 Maintenance
1.
Prior to performing maintenance, the inFlow™ ACE must be removed from the pipeline. See
for instructions on retracting the insertion shaft and removing the unit from the pipeline.
2.
Relieve any trapped pressure by loosening the jam nut and turning the adjusting screw on the external sand relief
counterclockwise and opening purge valve P (
and
).
3.
Lay the inFlow™ ACE on a smooth, clean surface
Collection Head Assembly
Welker recommends noting the position of the jam nut on the outer shaft to ease reassembly.
4.
Loosen the lock collar, and then expose the collection head manually by gently pushing the collection head out of the
lubricator body.
5.
As necessary, cut the safety wire from the relief cap to the jam nut, and then remove the safety wire.
6.
Unscrew and remove the collection head assembly from the outer shaft.
7.
Refer to
Appendix B, D-Style Collection Head Maintenance,
for instructions on performing maintenance on the collection
head.
Purge Assembly
8.
Unscrew the sample outlet flexline from the elbow above the sample outlet (
Figure 12: Outlet Assembly With Purge
9.
Unscrew the purge assembly at the tee connecting it to the insertion shaft. 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.
10.
Unscrew the external sand relief from emergency shutoff valve E.
11.
Unscrew the flexline from the elbow in the external sand relief.
