Campbell-scientific Sentek EnviroSCAN Access Tube Installation Guide Manuel d'utilisateur télécharger pdf (Page 50)

Removing access tubes

5. Place the hook of the steel cable from the tripod through the upper eye of the extraction tool.

Alternatively use a steel cable or strong chain attached to the other lifting device.

6. Winch the access tube carefully upward and out of the ground.

7. Remove the Tu be extraction tool from the steel cable or chain, and then remove the tube extraction

tool from the access tube. It may be necessary to gently tap on the top of the extraction tool to

loosen it.

8. To separate the top cap assembly base from the access tube, loosen the silicon with a hot air gun

and clean the components with acetone.

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Campbell-scientific Sentek EnviroSCAN Access Tube Installation Guide Manuel d'utilisateur Page 50