INSTALLATION TEMPLATE FOR #103 & #104 TROLLOPE MARK AND DRILL 4 #27 HOLES ATTACH WITH #10 SCREWS & 4 FOLD 90° ON DOTTED LINE When mortise or flush keeper is used attach keeper first then install lock so that the bolt and keeper are aligned. Install magnet on mortise keeper using small retaining block. NOTE Magnet must be located in proper position {either 1,2,3 or 4) next to the reed switch in the rock.