Systems and Equipment - 186 JT40/JT40 All Terrain Operator’s Manual
Cruise Control
Cruise Control
During the bore, you can set the desired thrust/pullback, and rotation speeds to match ground conditions.
Cruise control enables the unit to maintain these settings hands-free. You can engage, disengage,
override, and resume these settings at any time.
Engage
IMPORTANT: In order for cruise control to function, front wrench must be open and shuttles must be
under pipe delivery chute (fully retracted).
Thrust/Pullback and Rotation Cruise Thrust/Pullback Cruise Only
1. Position joystick so that thrust or pullback and
rotation are at desired speeds.
2. Press set. Cruise mode indicator will appear
on upper display. See “Cruise mode indicator”
on page 51.
3. Release joystick.
1. Position joystick to desired thrust or pullback
setting.
2. Press set. Cruise mode indicator will appear
on upper display. See “Cruise mode indicator”
on page 51.
3. Release joystick.
4. Operator can control rotation with joystick.
In JT or AT Dirt modes, there is only clockwise
rotation.
In AT mode, there is clockwise and
counterclockwise rotation so the operator can
“wiggle” through cobble rock.
NOTICE: Counterclockwise rotation can “break
out” pipe joints downhole and unthread the joint.
Operator should not rotate counterclockwise long
enough to unthread a joint.
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