Service and Maintenance
7KC Series Service Manual
3–11
A
LIGNING
THE
CHASSIS
AND
TRIM
Establish a schedule to inspect locks, doors, and door hardware for
proper alignment and operation. Occasionally a lock chassis and/or rose
trim may become loose and require tightening.
To retighten a loose or misaligned chassis or rose trim:
1. Remove the following components:
■
■
).
2. Align the chassis with the latch. Make sure that the latch tabs engage
the chassis frame and the latch tailpiece engages the retractor, as
shown in
. The outside rose and liner should also be
flush with the door.
3. If the chassis is not aligned with the latch, or the outside rose is not
flush with door, perform these steps:
a. Slide the chassis assembly out of the door.
b. Retract the rose locking pin and adjust the outside rose and liner
assembly as necessary, as shown in
c. Release the rose locking pin when it is lined up with an indent in
the liner and the posts on the liner match up with the chassis
screws. The pin should lock into the rose liner.
Figure 3.11
Engaging the retractor in the latch
Chassis frame
Latch tab
Latch tailpiece
Retractor
Chassis frame
