Procedure, Drill head position, Jt60/jt60 all terrain operator’s manual – Ditch Witch JT60AT User Manual
Page 107
JT60/JT60 All Terrain Operator’s Manual
Conduct a Bore - 107
Correct Direction
Procedure
1.
Locate drill head. Take readings available with your beacon and locating equipment such as:
•
depth
•
pitch
•
left/right information
•
temperature
•
beacon roll
2.
Compare position to bore plan. Determine direction drilling should go.
3.
Position drill head.
4.
Drill in pipe.
Drill Head Position
The drill head position is determined by reading
beacon roll. Roll is displayed as a clock face
position.
1.
Read beacon roll.
2.
Slowly rotate pipe until locator displays
desired beacon roll.
To change direction:
To move forward without changing direction:
JT mode/AT dirt mode
AT mode
1.
Rotate pipe to clock position you intend to
travel.
2.
Push pipe into ground.
1.
Rotate outer pipe to clock position you intend
to travel.
2.
Engage spindle brake.
3.
Engage inner rotation and push pipe into
ground.
JT mode/AT dirt mode
AT mode
1.
Rotate pipe.
2.
Push pipe into ground.
1.
Rotate outer pipe.
2.
Engage inner rotation and push pipe into
ground.