Ditch Witch JT5 - Manual (Page 110)

JT5 Operator’s Manual
Systems and Equipment - 109
Tracker Control
CMW
Disable Thrust and Rotation
1. When drill head enters target pit or exits the
ground, turn off tracker.
After 8-16 seconds, green tracker control light
(shown), located on drilling unit carriage, will
come on. Hydraulic power to thrust and
rotation will be disabled.
2. Change downhole tools.
3. If you are tracking backreamer’s path,
turn on tracker and enable code
transmission. After 8-16 seconds, green
tracker control light on drilling unit carriage
will go off and thrust and rotation will
function.
If you are not tracking backreamer’s
path, install tracker control key (shown) on
drilling unit. Green tracker control light on
drilling unit carriage will go off and thrust
and rotation will function.
IMPORTANT: Tracker operator cannot disable
thrust and rotation from tracker if tracker
control key (shown) is installed in drilling unit
and turned to the disable position. See
“Tracker control key” on page 33 for more
information.
NOTICE: If you are not using tracker control,
turn off drilling unit before changing downhole
tools.