Campbell Scientific EnviroSCAN Sentek Water Content Profile Probe - Manual (Page 36)

Appendix C. Access Tube Installation
5. Wipe off excess silicon from the inside of the access tube.
6. Screw the cap back onto the top cap housing.
C.2 Access Tube Removal
Requires took kits #1 and #3.
1. Unscrew the top cap.
2. Attach t-handle and bung tightening tool to the required auger extension
rods.
3. Use tommy bars to tighten t-handle and bung tightening tool firmly to the
extension rods.
4. Insert this tool into the access tube until you feel the top of the bottom
stopper bung.
5. Turn the tool slowly until the slot of the tool slides over the wing nut,
which causes the tool to drop 1 cm downward. The spring on the side of
the tool will make sure that enough pressure is applied on the wing nut to
enable you to pull the stopper up once the wing nut has been loosened.
6. Turn the t-handle counter-clockwise until you can pull the bottom stopper
upwards and remove it from the access tube. If the bung tightening tools
starts to unscrew from the extension rod, remove the entire assembly and
tighten the connection between the extension road and the bung tightening
tool with the tommy bars.
7. Assemble the tripod.
8. Place the tripod so that the cable is centered over the access tube.
9. Slide the diagonal parts of the tube extraction tool so that they form a
cylinder, which will slide the tool into the access tube.
10. Insert the tube extraction tool into the access tube and tap the horizontal
bar of the tool with a small hammer.
11. Tapping the horizontal bar of this tool will cause the halves of the cylinder
to slide apart and the tool will sedge itself to the inside walls of the access
tube.
12. Put on the safety goggles.
13. Place the hook of the cable from the tripod through the upper eye of the
extraction tool.
14. Put on the gloves and start turning the handle of the winch.
15. Apply more pressure until you see the upward movement of the access
tube.
C-6