
M-Series Service Manual
40
Instructions
Reversing Hand of Falcon M-Series Mortise Locks
If it is necessary to reverse the hand of a Falcon M-Series
Mortise lock, it is quickly and easily accomplished by the
following steps.
Note:
If the lock has a deadbolt, it must be in the retracted position
when reversing hand.
1. R
EMOVE
C
OVER
Remove the 4 Cover fastening screws and slowly lift off cover
from case.
2. R
EVERSE
L
ATCH
B
OLT
A
SSEMBLY
A. Lift out Cylinder Retract Lever, if included.
B. Lift out Upper Retract Arm, if included.
C. Compress Latch Bolt Spring toward Faceplate to clear Latch
Bolt Guide seat. Lift out and invert Latch Bolt Assembly. Place
Latch Bolt Spring into Latch Bolt Guide seat.
Note:
Lower Retract Arm must be between Latch Bolt Foot & Latch
Bolt Guide.
3. R
EVERSE
K
NOB
H
UBS
Note:
Knob hub reversing is required only on locks that contain two
differently shaped hubs.
A. To reverse, pull Coupling toward rear of case.
B. Lift out both Hubs together, invert as an assembly and
replace.
C. Ease coupling back into hubs.
4. R
EASSEMBLE
R
ETRACT
A
RM
A
ND
L
EVER
A. Replace Upper Retract Arm so that arm fi ts into space
between Latch Bolt Foot and Coupling.
B. Replace Cylinder Retract Lever so that it straddles the Dead
Bolt Pin.
C. Replace Cover guiding “T” Turn Hub into cover hole. Depress
Latch Bolt to clear Foot.
Note:
A Phillips head screwdriver inserted through cover into “T” Turn
Hub will retain hub and Cylinder Retract Lever in proper location
while replacing cover.
D. Replace Cover fastening screws.
5. A
DJUST
B
EVEL
Set Bevel of lock front to match door Bevel and securely tighten
screws.
6. S
TRIKE
Replace Strike with Proper Hand condition if necessary.
Cylinder
Retract Lever
Cylinder
Retract Lever
“T” Turn Hub
Foot
Foot
Deadbolt
Pin
Coupling
Lock Front
Screw
Lock Front
Deadlocking
Bolt
Knob Hubs
Upper
Retract Arm
Upper
Retract Arm