OnGrade Manual - Ditch Witch

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OnGrade Operator’s Manual Conduct OnGrade Bore - 31Set Up Laser PlaneSet Up Laser Plane1 2 3 4 5e14om005t.epsNOTICE: The Laser Reference AS2 is a Class II laser. The normal blink, or eye-aversion, reflex issufficient to prevent optical damage due to incidental viewing of a Class II laser. Do not look or stare intolaser beam.On Bore PathThe laser system is limited by line of sight. Setting up with that in mind can minimize how many times thelaser must be repositioned during the bore. Factors to consider include: bore slope and distance, surfaceobstructions, and wind. Set up the laser and tripod in an area where they will not be bumped or disturbedduring operation. In windy conditions, set the tripod as low as possible. The laser can be set up directly onthe bore path or it can be offset to avoid line-of-site obstructions.1. Set up tripod (5) past end pit (4) and inline with bore path, if possible.2. Set laser plane slope. See laser operator’s manual and “Laser Plane” on page 38.• Slope on laser is indicated in percent (%) and is the amount of rise or drop of the laser plane in feetover a 100’ linear run.• The slope of the laser plane can be adjusted from 0 to 25%.• Set up laser plane so that it is not at eyelevel for the grade pole/tracker operator.3. Align laser unit so that alignment bumps (2)on top of unit are parallel with the desiredbore path (1).1 2e14om013t.epsCMW
Conduct OnGrade Bore - 32Extension PoleOnGrade Operator’s ManualSet Up Laser PlaneUse up to two extension poles to raise the upper laser plane receptor.1. Remove cap from top of grade pole.2. Install cap on top of extension pole and secure with clamps.3. Insert extension pole into top of grade pole and secure with clamps.IMPORTANT: Grade pole will not work without cap installed.Offset1. Find or make a point (fence post or stake)parallel to the bore path that is the samedistance from the bore path (1) as the laser(3).2. Use the alignment bumps to align the laserwith the reference point.1 2 3e14om015t.epsCMW
Page 1 and 2: OnGradeOperator’sManualCMW ® Iss
Page 3 and 4: Overview - 2Serial Number LocationO
Page 5 and 6: Overview - 4FCC Statement - Interna
Page 7 and 8: Foreword - 6OnGrade Operator’s Ma
Page 9 and 10: Contents - 8OnGrade Operator’s Ma
Page 11 and 12: Safety - 10GuidelinesOnGrade Operat
Page 13 and 14: Safety - 12Safety AlertsOnGrade Ope
Page 15 and 16: Controls - 14Grade PoleOnGrade Oper
Page 17 and 18: Controls - 16DetectorsOnGrade Opera
Page 19 and 20: Controls - 18OnGrade Operator’s M
Page 27 and 28: Conduct OnGrade Bore - 26OnGrade Pr
Page 29 and 30: Conduct OnGrade Bore - 28OnGrade Op
Page 31: Conduct OnGrade Bore - 30OnGrade Op
Page 35 and 36: Conduct OnGrade Bore - 34Take Readi
Page 37 and 38: Conduct OnGrade Bore - 36Drill-Thru
Page 39 and 40: Grade Boring Concepts - 38Theory of
Page 41 and 42: Grade Boring Concepts - 40OnGrade O
Page 43 and 44: Systems and Equipment - 42Downhole
Page 45 and 46: Systems and Equipment - 44OnGrade O
Page 47 and 48: Systems and Equipment - 46Camera/Vi
Page 49 and 50: Systems and Equipment - 48LiftOnGra
Page 51 and 52: Complete the Job - 50Inspect Instal
Page 53 and 54: Complete the Job - 52OnGrade Operat
Page 55 and 56: Service - 54General CareOnGrade Ope
Page 57 and 58: Service - 56Change BatteriesOnGrade
Page 59 and 60: Specifications - 58OnGrade Operator
Page 61 and 62: Warranty - 60OnGrade Operator’s M
Page 63: Warranty - 62OnGrade Operator’s M

OnGrade Manual - Ditch Witch

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