XCMG XDN450 Operation Manual page 65

!
Instructions：
!
When the motor speed of the cutterhead exceeds the set value of
time exceeds the set value of
When the motor speed of the cutterhead exceeds the set value of
master cylinder will automatically stop, but the cutterhead motor will continue to operate.
When the current of the cutterhead motor drops to the set value, the main jacking
Instructions：
!
When the flow rate is lower than the set value of
set value of
!
!
and the time exceeds the set value of
!
automatically stops;
!
flow rate is lower than the set value of
.
!
Sometimes, the flow rate decreases immediately and then rises immediately. At this
time, the warning is meaningless. Therefore, when the flow rate is lower than the setting
value of
!
!
cylinder is operated to carry out the jacking operation; in order to
avoid that the instantaneous electric current is too large to stop the
operation too often, the overcurrent time is stopped after
exceeding the set value
, the equipment prompts a warning;
set to ! , when the flow rate is lower than the set value of
set to ! , the main cylinder will not stop automatically when the
!
and exceeds
!
, the cutterhead motor stops automatically;
!
!
!
and the time exceeds the set value of
, the device only warns.
and the
!
, the
!
.
and the time exceeds the
, the main head cylinder
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