Systems and Equipment - 162 JT100/JT100 All Terrain Operator’s Manual
DrillLok®
DrillLok
®
Overview
This mode allows the tracker operator to disable hydraulic power to drilling unit thrust and rotation.
Operation with Subsite
®
Electronics Tracking Equipment: See tracker manual.
Operation without Subsite
®
Electronics Tracking Equipment: Only available on units with DrillLok
system. See DrillLok operation sheet.
Rotating shaft will cause death or serious injury. Stay
away.
To help avoid injury:
• Use DrillLok mode any time you change downhole tools or during other times when the drill string is
exposed.
• If you are not using DrillLok, mode turn off drilling unit before changing downhole tools.
NOTICE: This mode does not disable thrust and rotation immediately. Functions are disabled within 16
seconds.
Troubleshooting Tip: If thrust and rotation are
not enabled check whether the green DrillLok
light (shown), located on drilling unit anchoring
console, is on. If it is, thrust and rotation have
been disabled by DrillLok system.
NOTICE: Tracker operator cannot disable
thrust and rotation from tracker if DrillLok key is
installed in drilling unit and turned to the
deactivated position.
See “DrillLok® key” on page 68.
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