Service manual
Servicing Standard Mortise Trim Parts
5–16 B.A.S.I.S. V Service Manual
SERVICING THE CYLINDER
Perform these steps for EV and FV function locks only.
Note: For a description of lock functions, see page 2–2.
Removing the
cylinder
1. Remove the following parts:
■ levers (page 5–2)
■ inside and outside escutcheons (page 5–3)
■ core (page 5–14)
■ mortise case faceplate (page 5–15).
2. Loosen the cylinder set screw, found on the inside of the mortise
case.
3. Use a cylinder wrench (ED211) to turn the cylinder
counterclockwise until you can remove it.
Reinstalling the
cylinder
1. Use a cylinder wrench to thread the cylinder into the mortise case
so that the groove around the cylinder head is even with the door
surface.
Note: Do not tighten the cylinder set screw until you reinstall the
outside escutcheon.
Caution
A malfunction can occur if the cylinder is threaded in too far.
2. Reinstall the following parts:
■ core (page 5–14)
■ inside and outside escutcheons (page 5–6)
■ mortise case faceplate (page 5–15)
■ levers (page 5–2).
Figure 5.17 Removing and reinstalling the cylinder
Outside of door
Cylinder
Cylinder set screw
(inside mortise case)