BEST ACCESS SYSTEMS 1E Series, Service Manual

Page: 58 / 96

Service and Maintenance
5–8 E Series Service Manual
Replacing riveted
cams
Before beginning this process, get the following parts:
■
two new throw pins
■
one new throw plug
■
one new stamped head.
Note:
For ordering information, see the parts tables starting on page 2–2
or refer to the BEST Catalog.
To the remove the cam:
1. Remove the lock case faceplate, core, and cylinder from the door
( page 5–2 ).
2. Remove the cylinder ring from the cylinder ( page 5–7 ).
3. Place the cylinder face down on a flat cloth-covered surface to avoid
scratching the front of the cylinder.
4. Position a standard 3/32
″
punch at the center point of one of the
two throw pins. See Figure 5.9 .
5. Using a ballpeen hammer, hit the punch two or three times to drive
the throw pin out of the cam.
6. Repeat steps 4 and 5 to remove the remaining throw pin. Discard
the throw pins.
7. Remove the cam.
8. Discard the stamped head and throw plug.
Figure 5.9 Removing the cam
Cylinder
Throw pin
Cam