Vermeer Navigator D20x22 II Series User Manual

30-58 Overview D20x22 Series II Navigator HDD
Step 6: Adjust thrust pressure limit with Speed/Pressure Trim Switch. Rotation
pressure limit cannot be adjusted in R.A.T.T. mode (oscillation or straight
drilling).
The rotation pressure limiter must be turned ON when using the R.A.T.T. tool in
order to prevent damage to the tool components.
To start AutoDrill in the R.A.T.T. S tr ai g ht Dr i ll i ng m o de , th e R.A.T.T. Oscillation
Mode Enabled Light (3) must be OFF. Press R.A.T.T. Mode Key (1) twice, first to
activate Oscillation mode, then press again to toggle to Straight Drilling mode.
AutoDrill - Pause
Move either Rotation or Thrust/Pullback Handle out of NEUTRAL to stop drill string motion and PAUSE
AutoDrill.
The Thrust/Pullback and Rotation Handles must both be returned to NEUTRAL for at least 1/2 second before
the handles are enabled for manual control of rotation and thrust/pullback.
3
1

Vermeer Navigator D20x22 II Series Specifications

General

Brand	Vermeer
Model	Navigator D20x22 II Series
Category	Construction Equipment
Language	English