Mounting options can be adapted to machine mounting surfacesusing spacers, standoffs, or leveling set screws.• Measuring length and mechanical configuration of your machinedetermine your options.• Backup spar mounting is an option but not required for lengthsup to 60”.• Fastener lengths described on this page are included with theencoder or the backup spar.• Less than 24” : Use end mounting holes. • Over 60” : A backup spar is required.7 ACU-RITE ®ENC150 Mounting Requirements1/4-20 x 1” BHCS& scale washer(supplied)End hole mounting1/4-20 x 1/2” BHCSand spar washer(supplied)Backup sparmounting• 24” to 60” : Use end mounting holes with center support..94 [23.8]1/4-20 x 1” BHCSTypical (supplied)1/4-20 x 3/4”SHCS LinearEncoderwasherCentersupportEnd hole mountingwith center supportM4 x 8mmSHSS