BEST 9K Series Service Manual - Locksmith Security Association of ...

until the proper door thickness groove on the through bolt stud,lines up with the hub face (see Figure 4—blow-up).Note 1: Make sure the locking pin locks into the rose liner.Note 2: Locksets will fit doors 1 3/4" to 2 1/4" thick. (A spacer is availablefor 1 3/8" doors.) See the enlarged view for the correct rose adjustmentfor these thicknesses.5 Engage retractor in latchChassis frameLatch tabsLatch tailpieceRetractor7 Install strike plate1 In alignment with the center of the latchbolt, mortise the door jambto fit the strike box and strike plate.Caution: The deadlocking plunger of the latchbolt must notenter the strike plate opening. The plunger deadlocks thelatchbolt and prevents forcing the latch when the door isclosed. A gap of more than 1/8” may reduce security and/orcause improper operation of the latchbolt.2 Insert the strike box and secure the strike with screws provided (seeFigure 7).Door jambStrike boxStrike plate■Figure 5ChassisWith the latch in place, install the chassis from the outside. Makesure the latch tabs engage the chassis frame and the latch tailpieceengages the retractor (see Figure 5).6 Install liner, through-bolts, rose and leverFigure 78 Install coreLinerChassishubInside linerBEST6-pin core & throw member7-pin core & throw memberSleeveRoseThrough-boltFigure 6Note: For lead-lined locksets, slide the lead shield (not shown) over thesleeve and into the 2 1/8" hole.1 Align the holes in the liner with the holes prepared in the door.2 Install through-bolts through the liner and door in the top and bottomholes (see Figure 6).3 Tighten the liner onto the door with the through-bolts.4 Slide the rose over the sleeve, then press the rose onto the liner. Therose should fit closely to the door surface.5 With the lever pointing toward the hinges, push the lever on firmlyuntil seated.Figure 8Control key in core1 Insert the proper throw member into the core (see Figure 8—top).Six pin cores require the number “6” throw member; seven pin coresrequire the number “7” throw member.2 Put the control key into the core and turn the key 15 degrees clockwise.3 Put the core and throw member into the lever with the control key(see Figure 8—bottom).4 Turn the key 15 degrees counterclockwise and remove the key.Caution: Since the control key is a high-security key, make sureto keep it protected.T56075/Rev A 1798029 ER-7991- 19 Mar 2000BEST ACCESS SYSTEMSIndianapolis, Indiana