20-32 Machine Controls
D20x22 Series II Navigator HDD
D
RILLING
F
LUID
C
ONTROLS
(1)
Fluid System ON/OFF Switch
Push up . . . . . . . . . . . . . . . . . . . . . . fluid system ON (variable flow)
Push down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . fluid system OFF
(2)
Fluid Full Flow Button
Press and hold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . full flow
Released. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . full flow OFF
Defaults to variable flow setting when button is released
(3)
Pressure Gauge
Indicates drilling fluid pressure.
Gauge displays drilling fluid pump drive motor hydraulic pressure.
Drilling fluid pressure is 60 percent of hydraulic pressure shown on
gauge.
(4)
Drilling Fluid Pump Trim Switch
Clockwise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . increase by 1 gpm
Counterclockwise. . . . . . . . . . . . . . . . . . . . . . . . . . decrease by 1 gpm
Hold, either direction . . . . . . . . . . . . continuously ramp up or down
(5)
Drilling Fluid Pump Flow Rate Display
0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . no flow
1 to maximum rated flow of pump . . . . . drilling fluid flow set point
Adjust with
Drilling Fluid Pump Trim Switch.
symbol replaces number . . . . . . . . . . . . . . . . . . . . . . .wash wand ON
2
1
3
5
4
5