BEST Installation Instructions For 83K–85K Cylindrical Locks 8K T56066a
User Manual: BEST Installation Instructions for 8K Cylindrical Locks Installation
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Installation Instructions for 83K–85K Cylindrical Locks Preparing the door For factory prepared doors only 1 Install the latch so that the bevel on the latchbolt faces the strike lip. 2 Adjust the outside rose so that the chassis is centered in the door. Install the chassis from the outside of the door. 3 Install the inside rose, rose ring, knob, and strike plate. Caution: If you use fabricated hollow metal doors, determine whether the doors are reinforced enough to support the lock. If the door reinforcement is not adequate, consult the door manufacturer for information on proper reinforcement. Note: For detailed installation instructions, see the following steps. 1 Rose ring Rose Lock chassis Latch Deadlocking plunger Bevel on latchbolt Figure 1 Overview diagram Position template 1 Fold the template and place it in position on the high edge of the door bevel. (See Figure 2.) 2 Mark the drill points. Note: Suggested height from floor to centerline of the lock is 40 5/16″. If steel frames are used, the latch centerline must be in line with the center of the strike preparation. High edge of door bevel Figure 2 BEST ACCESS SYSTEMS Indianapolis, Indiana Marking the drill points 1 Installation Instructions for 83K–85K Cylindrical Locks Preparing the lock 2 2 1/8″ dia hole 1 Bore a 2 1/8″ diameter hole from both sides of the door to the center of the door. (See Figure 3.) 2 Drill a 1″ diameter hole from the edge of the door that intersects the 2 1/8″ hole. 3 Mortise the door edge for the latch face. 4 Install the latch and check the door swing. Latch tabs should project into the 2 1/8″ diameter hole. See Task 5, Install chassis. 1″ dia hole Latch tabs Latch face Figure 3 Boring holes and installing the latch 3 Figure-8 core hole Knob keeper Knob keeper spring Insert screwdriver blade here Knob keeper hole Spanner wrench Figure 4 Bore holes and install latch Removing inside knob and trim Rose Remove inside knob and trim For inside knobs with button or blank face: 1 Insert the spanner wrench tip into the knob keeper hole and depress the keeper. (See Figure 4.) 2 Slide the knob off. 3 Unthread the rose ring and remove the rose. For keyed inside knobs: 1 Remove the core and throw member (if not already removed). For instructions on removing the core, see Task 9, Install core. 2 Insert a screwdriver into the figure-8 core hole and into the keeper. (See Figure 4, top.) 3 Using the edge of the screwdriver, press down on the keeper and slide the keyed knob off of the sleeve. Caution: You will not be able to remove the knob if you put the screwdriver blade too far past the keeper. 4 Center lock in door Check to see if the lock retractor is centered in the door. ■ Retractor Pull pin to rotate rose Figure 5 2 Marking the centerlines ■ If centered, proceed to Task 5, Install core. If not centered, use the door as a reference and center the retractor in the door. Do this by pulling the rose locking pin and rotating the outside rose in or out. (See Figure 5.) Caution: Center the retractor before proceeding to Step 5, Install chassis. BEST ACCESS SYSTEMS Indianapolis, Indiana T56066/Rev A 1797947 ER-7991-12 May 2003 Installation Instructions for 83K–85K Cylindrical Locks Installing the lock Note 1: Make sure the locking pin locks back into the rose liner. Note 2: Locks with standard trim will fit doors 1 3/8″ to 2 1/8″ thick. Locks with ‘E’ trim will fit doors 2 1/4″ to 3″ thick. 5 ■ Chassis frame Latch tab Latch tailpiece Enlarged view Install chassis After the retractor has been centered, and with the latch in place, install the chassis from the outside of the door. Make sure the latch tabs fit into the chassis frame and the latch tailpiece fits into the retractor. (See Figure 6.) Chassis Figure 6 6 Retractor Installing the chassis Install inside rose and knob Spanner wrench Rose Note: For lead lined locksets, slide the lead shield (not shown) over the sleeve and into the 2 1/8″ hole. Rose ring 1 Slide the rose over the sleeve, then thread the rose ring onto the threaded hub and tighten snugly with the spanner wrench. For non-keyed inside knobs: 2 Align the knob keeper hole with the knob keeper in the sleeve as shown in Figure 7. Firmly push the knob on until seated. Knob keeper Sleeve Knob keeper hole Figure 7 For keyed inside knobs: 2 Align either of the knob driver slots with the knob driver in the sleeve as shown in Figure 8. Firmly push the knob on until seated. Installing the inside knob and rose Knob driver slots Knob keeper Knob driver Figure 8 BEST ACCESS SYSTEMS Indianapolis, Indiana Installing the inside keyed knob 3 Installation Instructions for 83K–85K Cylindrical Locks Completing the installation 7 Door jamb Strike box 1 Mortise the door jamb to fit the strike box and strike plate. Make sure to align the strike plate and latchbolt centers. Caution: The deadlocking plunger of the latchbolt Strike plate Figure 9 Install strike plate must not enter the strike plate. The plunger deadlocks the latchbolt and prevents forcing the latch when the door is closed. Excessive gap may reduce security and/ or cause malfunction of the latchbolt assembly. A maximum door gap of 1/8″ is recommended. Installing the strike 2 Insert the strike box and secure the strike plate with the screws provided. Rotate Knob face Figure-8 hole 8 Check handing Note: When Best 8K locksets are properly installed, the figure-8 hole must be in the upper half of the knob. If it is not, change the hand of the lock. Incorrect Correct Figure 10 Turning the knob face to correct the handing of the lock 9 6-pin core 7-pin core Spacer 2 1 BEST BEST Control key in core Figure 11 Installing the figure-8 core 4 To change the hand of the lock: Rotate the knob face 180 degrees so that the figure-8 is in the upper half of the knob. ■ Install core For 6-pin core users only: Slide the spacer — supplied with your 6-pin cores — over the 7-pin throw member (see Figure 11, top right). Note: If you have ordered 6-pin cores, you will get one spacer per core with your order. Spacers are not supplied with locks. 1 Insert the throw member (or throw member and spacer) into the back of the core (see Figure 11, top). 2 Put the control key into the core and turn the key 15 degrees clockwise. 3 Put the core and throw member into the knob with the control key (see Figure 11, bottom). 4 Turn the key 15 degrees counterclockwise and remove the key. Caution: Since the control key is a high-security key, make sure to keep it protected. BEST ACCESS SYSTEMS Indianapolis, Indiana T56066/Rev A 1797947 ER-7991-12 May 2003
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