D20x22 Series II Navigator HDD
Overview 30-49
Default R.A.T.T. Drilling Pressure Limits
The factory-set default setting is RATOFF when the engine is started.
To activate R.A.T.T. rotation and pressure limits on engine startup, use the following
procedure:
Step 1:
Press
Service Screen Key
(1)
.
Step 2:
Press and hold
R.A.T.T. Mode Key
(2)
.
Step 3:
While holding
R.A.T.T. Mode Key
, press
Enter Key
(3)
.
Display
(4)
will flash
RATOFF.
To change back to RATON, repeat Steps 1–3, or, while holding
R.A.T.T. Mode Key
(1)
,
press
Enter Key
(3)
. The RATON message will be displayed.
Press
Service Screen Key
(2)
to exit the procedure.
If the default settings are bypassed (RATOFF), they will become active (RATON)
when the
R.A.T.T. Mode Key
(2)
is pressed. However, if the engine is turned off in the
RATOFF mode and then restarted, the RATOFF setting will be active and the
rotation pressure is not limited.
NOTICE:
Always have the RATON setting active when using the R.A.T.T. drilling tool. The tool will be damaged
if the rotation torque exceeds the capacity of the tool.
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