B.A.S.I.S. G Service Manual [T63300] - Best Access Systems

Installation Instructions for B.A.S.I.S. Cylindrical LocksChassis holePreparing the door and door jamb3 Install latch1 Install the latch in the door.Note: The latch tube prongs should be centered andshould project into the chassis hole.2 Check that the door swings freely.Location of latchtube prongsLatchInside of doorFigure 3Installing the latch in the doorDrill upper through-bolt hole.Latchtubeprongs4 Use drill jig to drill through-bolt holes1 Press the drill jig (KD303) onto the door, engaging itwith the latch tube prongs (see the close-up inFigure 4). Make sure the front edge of the jig is parallelwith the door edge.2 Drill the through-bolt holes (5/16″ diameter) halfwayinto the door.3 Turn over the drill jig and repeat steps 1 and 2 from theopposite side of the door.Note: Replace the drill jig after 10 door preparations.Inside of doorDrill lower through-bolt hole.Figure 4Installing the drill jig and drilling thethrough-bolt holes4BEST ACCESS SYSTEMSIndianapolis, Indiana