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OPERATION
Operating notes
HBR204-MU-6-eng.doc
OPERATION AND MAINTENANCE INSTRUCTION MANUAL
THIS DOCUMENT IS THE PROPERTY OF HÜETTE BOHRTECHNIK GMBH - TOTAL OR PARTIAL REPRODUCTION IS PROHIBITED
9)
Upon reaching the desired depth, close the cleanser and activate the raising system
(inductive jet grouting- timed jet grouting)
10) Then proceed with the injection phase with the rods rotating and the heads raising.
Upon reaching the upper limit of travel of the rotary head, suspend injection, release the
chuck, lower the head, lock the chuck and simultaneously resume injection and raising.
Repeat these operations until the rod is fully extracted.