
Service and Maintenance for Mortise Locks
W Series Service Manual 4–27
Tasks for removing the components
Task A. To remove the levers/knobs:
1. For knobs, remove the set screw cap.
2. Use a 1/8″ Allen wrench to remove the set screw from the inside
lever/knob.
3. Remove the inside lever/knob, then the outside lever/knob and
spindle assembly from the door.
Task B. To remove the mortise case faceplate:
Unscrew the two faceplate screws and remove the faceplate from the
mortise case. Save the screws.
Figure 4.26 Removing the levers/knobs and faceplate (Sectional trim, RH door shown)
Inside of door
Outside of door
Set screw
Set screw
Set screw cap
Knob
Lever
Knob & spindle assembly
Lever & spindle
assembly
Faceplate screw
Faceplate
Faceplate screw
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