30-52 Overview
D20x22 Series II Navigator HDD
Setting Manual Thrust Limits
Step 1:
Select drilling mode to be adjusted.
Step 2:
Press
Manual Pressure Limit Key
(1)
.
Step 3:
Turn R.A.T.T. ON or OFF as needed.
Step 4:
Place
AutoDrill Selector Switch
(4)
to the THRUST position.
Step 5:
Adjust the thrust pressure limit with the
Speed/Pressure
Trim Switch
(5)
.
The last displayed thrust pressure value will automatically be saved to permanent
memory.
Setting Manual Rotation Limits
Step 1:
Select drilling mode to be adjusted.
Step 2:
Press
Manual Pressure Limit Key
(1)
.
Step 3:
Turn R.A.T.T. ON or OFF as needed.
Step 4:
Place
AutoDrill Selector Switch
(4)
to the ROTATE position.
Step 5:
Adjust rotation pressure limit with the
Speed/Pressure
Trim Switch
(5)
.
The last displayed rotation pressure value will automatically be saved to permanent
memory.
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