These steps apply to all encoder mounting conditions, if a spar isbeing used, go to “Spar Installation Procedure” on page 11.• ACU-RITE bracket kit instructions supercede this section.• Adjust drill depths and fastener lengths as required.• When instructed on page 10: Adjust the leveling set screws asfollows:1. Insert, but do not tighten 8-32 (M4) reading head screws.2. Place a .001”-.003” shim between the leveling set screws andmounting surface.3. Adjust each set screw until a slight drag is felt on the shim.4. Evenly tighten the 8-32 (M4) reading head mountingscrews.• Contact your Authorized ACU-RITE Distributor should you requireadditional assistance.• Align the center marks on the reading head and scale assemblyby sliding the reading head and brackets along the case.• Locate the scale case so underside of endcaps are flush with theaxis parting line.• Mark one end mounting hole location.• Move the machine axis to its center of travel.• Mark the axis for quick return to center.• Configure the encoder cable exit direction (see page 3).9 ACU-RITE ®ENC150 Encoder Installation ProcedureScale caseReading head assemblyAlignmentbrackets (2)CLCenter mountingaxisMark centerof axisCLAlign top of scale case towithin .015” of -A--A- = Axis travelCable assembly EndcapScale caseAxis parting lineEnd mounting hole (typical)Center marks