Ongrade operator’s manual – Ditch Witch OnGrade User Manual
Page 31
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Conduct OnGrade Bore - 30
OnGrade Operator’s Manual
Calibrate System
CMW
Roll
Turn drill housing to 12 o’clock position and verify roll position on tracker. If it is incorrect when using an
endload housing, verify that the timing slot on the front of the beacon is engaged with the locating pin in the
housing. If it is still incorrect or when using a sideload housing, select “Roll Calibration” in “Beacon
Settings” menu and follow prompts.
Pitch
1.
Rotate beacon housing to appropriate
position for drilling mode.
•
JT mode: 12 o’clock position
•
AT mode: 9 or 3 o’clock position
2.
Place level on beacon housing and adjust
rollers (shown) until housing is level (0.0%).
Select “Pitch Calibration” in “Beacon
Settings” menu and follow prompts.
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