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OPERATION
Electronic control system
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
Description
Y3TA_4
Solenoid valve
– Rotary head – Adjustment of displacement
Y3TP_4
Solenoid valve
– Rotary head – Adjustment of displacement
Y102
Solenoid valve
– Heat exchanger – Operation ON/OFF
Y102 P
Solenoid valve
– Heat exchanger – Proportional operation
Y103
Solenoid valve
– Hydraulic circuit “LS” (Load sensing)
Y105_2
Solenoid valve
– Activation of servo-controls – Control panel
Y107A_2
Solenoid valve
– Activation of servo-controls – Work
Y107B_2
Solenoid valve
– Activation of servo-controls – Positioning the machine
Y110_4
Solenoid valve
–Winch - Ascent
Y111_4
Solenoid valve
–Winch - Descent
Y121_3
Solenoid valve
– Rotary head movement – Jet grouting extraction
Y122_3
Solenoid valve
– Rotary head movement - Crowd force
Y123_3
Solenoid valve
– Rotary head movement - Extraction
Y125
Solenoid valve
– Drill string chuck
Y126
Solenoid valve
– Drill rod break-out clamp (application of hydraulic
chuck)
Y127
Solenoid valve
– Drill rod blocking clamp (application of hydraulic
chuck)
Y129
Solenoid valve
– Re-calibration of winch hydraulic circuit - Ascent
Y141
Solenoid valve
– Jet grouting extraction
Y218
Solenoid valve
– Adjustment of displacement – Head movement gear
motor
Solenoid valve
– By-pass – Hydraulic cylinder (Rotary head
movement)
Y250
Solenoid valve
– Head movement brake – Mast with gear motor
Solenoid valve - Balancing OFF
– Mast with hydraulic cylinder
Y251_3
Solenoid valve
– Head translation operating in floating mode
Y301A
Solenoid valve
– Left track– Movement forward
Y301B
Solenoid valve
– Left track– Movement back
Y302A
Solenoid valve
– Right track– Movement forward
Y302B
Solenoid valve
– Right track– Movement back
Y308A_3
Solenoid valve
– Track orientation
Y308B_3
Solenoid valve
– Track orientation
Y309_3
Solenoid valve
– Floating tracks
Y510_4
Solenoid valve
– Telescopic and rotating jib – Jib rotation
Y511_4
Solenoid valve
– Telescopic and rotating jib – Jib extension
Y651_5
Solenoid valve
– Cage protection device – Head rotation
Y652_5
Solenoid valve
– Cage protection device – Head rotation
Y653_5
Solenoid valve
– Cage protection device – Rotary head movement
Y654_5
Solenoid valve
– Cage protection device – Rotary head movement
Y655_5
Solenoid valve
– Cage protection device – Hydraulic unit calibration