5
Federal Signal
signaling.fedsig.com
Tools needed to access both chambers:
•
#2 Philips screwdriver
•
2.0 mm hexagon key
•
3.0 mm hexagon key
Call Point Front Chamber Access
The model CP-PB pushbutton station’s front chamber is easily accessed for cover flap attachment and/or maintenance
or replacement of parts. To access the front chamber:
1.
Remove the pushbutton and bearing washer by unscrewing the 3/4-inch long Philips screw.
2.
If present, remove the reset keyway by using a M2 hex wrench to loosen the M4 set screw below the keyway’s
triangular pointer
Figure 1 Removing the keyway
UNLOOSEN M4 SET SCREW
TO REMOVE RESET
KEYWAY AND BEARING
WASHER IF PRESENT
UNLOOSEN TWO M4
CAPTIVATED SCREWS
REMOVE
BUTTON
AND SCREW
Figure 2
ACTUATOR SPRING
PIVOT BOSSES
CLEAR
ACTUATOR
CYLINDER
SPRING LOADED
BUTTON STEM
ASSEMBLY
3.
Loosen the two M4 Philips head screws at the 3:00 and 9:00 positions on the faceplate and remove the faceplate.
NOTE:
These two screws are captivated to the front faceplate.
4.
Upon reinstalling the front faceplate, reverse this process and apply 15 in-lb maximum of torque to the M4 Phillips
screws to ensure that the faceplate is fully seated on the front housing.
NOTE:
Applying excessive torque may result in the brass threaded insert dislodging from the front housing,
rendering the unit inoperable.
