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.