
Service and Maintenance for Cylindrical Locks
5–20 W Series Service Manual
Task B1. To remove the keyed lever/knob:
1. Insert a flat blade screwdriver into the figure-8 core hole and into
the lever/knob keeper.
2. Press the screwdriver blade in the direction of the arrow shown in
Figure 5.23.
Note: You will not be able to remove the lever/knob if the
screwdriver blade is inserted too far past the keeper.
3. Slide the lever/knob off the sleeve.
Task B2. To remove the plain lever/knob:
Insert the protrusion on the spanner wrench into the hole on the
shaft of the lever/knob, as shown in Figure 5.24. Slide the
lever/knob off the sleeve.
Figure 5.23 Removing the keyed lever/knob (lever shown)
Insert the screwdriver here.
Figure-8 core hole
Lever keeper
Figure 5.24 Removing the plain lever/knob (lever shown)
Protrusion on the spanner wrench
Lever shaft
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