Best 72KC, Service Manual

Page 1: ......

Page 2: ...s No part of this manual and or databases may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying recording or information storage and retrieval sy...

Page 3: ...chnical support 1 3 FUNCTIONS AND PARTS LISTS 2 1 Function descriptions 2 2 Single keyed functions 2 2 Non keyed functions 2 3 Functions by ANSI designation 2 3 AB function chassis and trim entrance l...

Page 4: ...assembly 3 8 Lubricating the cores 3 10 Aligning the chassis and trim 3 11 Troubleshooting 3 12 INSTALLATION INSTRUCTIONS A 1 Position template 1 3 Bore two holes and install latch 1 3 Install boring...

Page 5: ...ever 3 2 Removing the plain lever or button lever 3 3 Reinstalling the lever keyed lever shown 3 4 Removing the inside rose with the screwdriver 3 5 Reinstalling the inside rose and rose liner 3 6 Rem...

Page 6: ...Figures vi 7KC Series Service Manual...

Page 7: ...FICATIONS AND STANDARDS The product complies with ANSI A156 2 Series 4000 Grade 2 standards California Administrative Code Title 19 and Title 24 Illinois Accessibility Standard The locks are listed by...

Page 8: ...K08 Template for Door and Frame Preparation for 63K 73KC 83K 93K Cylindrical Locks with Small STK Strike T56052 K09 Template for Door and Frame Preparation for 63K 73KC 83K 93K Cylindrical Locks with...

Page 9: ...n your area whenever you need help Before you call however please make sure you are where the 7KC Series Lock is and that you are prepared to give the following information what happened and what you...

Page 10: ...Getting Started 1 4 7KC Series Service Manual...

Page 11: ...l 2 1 2 FUNCTIONS AND PARTS LISTS The following pages contain function descriptions for all 7KC Series Locks This chapter also includes an exploded diagram of a lock as well as diagrams of trim and ot...

Page 12: ...ding function drawings Outside Inside Latch Shading indicates that the lever is fixed View looking down at the top of the door AB Entrance ANSI F109 D Storeroom ANSI F86 Latchbolt operated by inside l...

Page 13: ...75 Latchbolt operated by inside lever outside lever when not locked Outside lever locked by inside button Outside lever unlocked by inside lever outside slotted button when rotated counterclockwise cl...

Page 14: ...NSI F109 This diagram shows the AB function lock The chassis without trim and individual chassis parts are not available to order See the following pages for part numbers For levers see page 2 7 For r...

Page 15: ...3 Strikes and strike boxes 1 2 4 3 5 Item Nomen clature Part no Specify finish Qty Description 1 8KS1 B25640 1 Standard steel strike box 2 6KS2 Includes one A53761 strike two A25359 strike screws and...

Page 16: ...833712 1 Inside rose liner 2 A55557 2 Through bolt screw 3 B56164 1 Outside rose not shown 1833754 1 Outside rose liner Figure 2 5 Buttons 1 2 3 Finish Item 1 Turn button assembly Item 2 Slotted butto...

Page 17: ...Lever style 15 Lever style 16 1 2 3 6 5 4 7 8 9 Style Item Part no Specify finish Description 1 D56159 Plain lever handle 14 2 D56157 Button lever handle 3 D56158 Keyed lever handle 4 D56155 Plain lev...

Page 18: ...ylinders View looking inside the end of the lever shaft End of the lever shaft 1 Item Part no Finish Description 1 D56156 Specify finish 15 Keyed lever for non interchangeable cylinders not shown 1888...

Page 19: ...adlocking latch with wide face 1 1 8 2 A25359 N A N A Latch screw 3 B80189 6KL3 NF 2 3 4 Deadlocking latch with narrow face 1 not shown B80113 6KL3 WF 2 3 4 Deadlocking latch with wide face 1 1 8 4 B8...

Page 20: ...clature Part no Description 1 KD303 C55034 Drill jig 2 KD325 A01514 Strike plate locating pin 3 KD315 1350393 Faceplate marking chisel 1 1 8 2 1 4 not shown KD312 1487975 Faceplate marking chisel 1 2...

Page 21: ...ig 2 KD325 A01514 Strike plate locating pin 3 KD315 1350393 Faceplate marking chisel 1 1 8 2 1 4 not shown KD312 1487975 Faceplate marking chisel 1 2 1 4 4 KD309 A54084 2 1 8 diameter chassis hole bit...

Page 22: ...Functions and Parts Lists 2 12 7KC Series Service Manual...

Page 23: ...ns instructions for replacing components servicing and maintaining components and troubleshooting common problems To See page Replace levers 3 2 Replace roses 3 5 Replace button assemblies 3 8 Lubrica...

Page 24: ...rotate the key 15 degrees to the right 2 Remove the core and throw member from the lever 3 Insert a flat blade screwdriver into the figure 8 core hole and into the lever keeper 4 Press the screwdriver...

Page 25: ...To remove the plain lever or button lever 1 Insert the knob keeper tool into the hole on the shaft of the lever as shown in Figure 3 2 2 Slide the lever off the sleeve Figure 3 2 Removing the plain l...

Page 26: ...urn the levers to check that they operate smoothly 4 If the lever is keyed perform the steps below a For R function locks insert a screwdriver into the figure 8 opening and turn the locking mechanism...

Page 27: ...lts 4 Slide the liner off the sleeve Save the liner To reinstall the inside rose 1 Align the holes in the liner with the holes prepared in the door as shown in Figure 3 5 2 Install the two through bol...

Page 28: ...the following components levers page 3 2 inside rose and rose liner page 3 5 2 Slide the chassis assembly out of the door 3 Retract the rose locking pin and rotate the rose and liner assembly until it...

Page 29: ...onto the outside hub 3 Retract the rose locking pin and rotate the rose and liner assembly onto the hub until the assembly reaches the bottom of the threading 4 With the rose locking pin still retrac...

Page 30: ...s frame and the latch tailpiece engages the retractor See Figure 3 8 6 Reinstall the following components inside rose and rose liner page 3 5 levers page 3 4 Replacing the button assembly To remove th...

Page 31: ...ly from the locking bar as shown in Figure 3 9 To reinstall the button assembly 1 Align the button tab with the top slot in the sleeve as shown in Figure 3 10 Figure 3 9 Removing the button assembly I...

Page 32: ...graphite into the keyhole Insert the key into the keyhole and remove it repeat several times 2 Allow the graphite to sift into the pin segment holes For silicone type lubrication 1 Clean all existing...

Page 33: ...is frame and the latch tailpiece engages the retractor as shown in Figure 3 11 The outside rose and liner should also be flush with the door 3 If the chassis is not aligned with the latch or the outsi...

Page 34: ...forth Figure 3 12 Adjusting the outside rose and liner assembly Outside rose and liner Rose locking pin Hub You notice Possible causes include You should Lever won t return to its normal position The...

Page 35: ...7KC Series Service Manual A 1 A INSTALLATION INSTRUCTIONS The following pages contain the Installation Instructions for 72KC 75KC Cylindrical Locks...

Page 36: ...Installation Instructions A 2 7KC Series Service Manual...

Page 37: ...nter of the door 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 through the 1 diameter hole For drive...

Page 38: ...plate Caution The deadlocking plunger of the latchbolt must not enter the strike plate opening The plunger deadlocks the latchbolt and prevents forcing the latch when the door is closed A gap of more...

Page 39: ...0 E exploded diagrams see part numbers and drawings F faceplate marking chisel 2 10 to 2 11 function description for AB function lock 2 2 for D function lock 2 2 for L function lock 2 3 for N function...

Page 40: ...outside rose 3 7 removing button 3 8 inside rose 3 5 keyed lever 3 2 lock chassis from the door 3 6 outside rose 3 6 plain lever or button lever 3 3 roses part numbers and drawings for 2 6 reinstalli...