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P/No. YSL-5121    04/18

   

RIGHT  -  HAND DOOR 

LEFT  -  HAND DOOR 

OUTSIDE 

DOOR OPENING 

IN 

OUTSIDE 

DOOR OPENING 

OUT 

OUTSIDE 

DOOR OPENING 

OUT 

OUTSIDE 

DOOR OPENING 

IN 

SETTING LOCK STATUS 

SETTING LOCK STATUS 

HAND OF DOOR ACCORDING TO ENGLISH PRACTICE  

Determine hand of lock required from hand of door chart above. 

Yale Simplicity Series Mortice Locks are mounted in accordance  

with these instructions. Locks may or may not have cylinders,  

lever handles or turn knob. Disregard instructions referring to the  

features not required.  

Important : Before drilling door, ensure correct hand is being installed.   

NOTE: CASE DOES NOT need to be opened, to change HAND or  

FUNCTION of LOCK. 

 

HANDING OF LOCK 

Determine hand of lock required from above hand of door chart. 

Rotate bolt head to suit latching direction.    

Ensure lock is in UNLOCKED position. 

To UNLOCK (if required), using a small screwdriver, lever out Cylinder Hole  

Plug where fitted and lift snib using the screwdriver. 

SNIB

Rotation of the Snib hands the lock.  With snib in unlocked position, use a   

cylinder pin to rotate the snib if required. 

 

ESCAPE Locks 

The hole on the snib indicates the side lockable. 

 

For left hand door the hole will be visible from the left of the lock. 

For right hand door the hole will be visible from the back of the lock. 

The escape side will have no holes on the snib.  

Establish which side the adaptor is to be located, lever out Cylinder hole plug 

where fitted. 

PUT LOCK IN LOCKED POSITION, as shown in Step 1.  

Insert Adaptor into lock body with TOP of Turn Knob Cam point away from front 

of lock body. 

Ensure Turn Knob Cam is engaged in yoke of snib as shown. 

Place retainer pin through front plate to retain adaptor to lock. Ensure pin is 

flush with front plate 

  

LOCKABLE 

LOCKABLE 

ESCAPE 

ESCAPE LEFT HAND DOOR 

ESCAPE 

TURN KNOB ADAPTORS 

   

UNLOCKED

(Snib up) 

LOCKED

(Snib down) 

Yale

®

MOUNTING INSTRUCTIONS 

SIMPLICITY MORTICE LOCK 

ESCAPE RIGHT HAND DOOR 

STANDARD TURN KNOB ADAPTORS

ANTI-LOCKOUT TURN KNOB ADAPTORS

Establish which side the adaptor is to be located, lever out Cylinder hole plug 

where fitted. 

PUT LOCK IN LOCKED POSITION, as shown in Step 1.  

Align Adaptor cam so that it points up towards the top of the lock front plat, and

Place retainer pin through front plate to retain adaptor to lock. Ensure pin is 

flush with front plate. 

L

L

YOKE 

TURN KNOB CAM 

Anti-lockout is achievable via an anti-lockout adaptor. Ensure the lock is 
unlocked and that the leg of the adaptor is installed behind the bolt frame.  

The adaptors are handed. Ensure that the correct adaptor is installed.  

1 HOLE - 20mm DIA. FOR SPINDLE 

1 HOLE - 20mm DIA. FOR SPINDLE

2 HOLES - 20mm DIA. SL

OT FOR CYLINDER 

2 HOLES - 20mm DIA. SL

OT FOR CYLINDER  

2 HOLES - Ø6.5mm

2 HOLES - Ø6.5mm

ENSURE LOCK IS REMOVED FROM MORTICE

BEFORE DRILLING HOLES.

 

TO PREVENT POSSIBLE DAMAGE TO DOOR FACE

DO NOT DRILL RIGHT THROUGH DOOR.

ENSURE LOCK IS REMO

VED FROM MORTICE

BEFORE DRILLING HOLES.

 

TO PREVENT POSSIBLE D

AMAGE T

O DOOR FACE

DO NOT DRILL RIGHT THROUGH DOOR.

Adaptor leg

insert into the lock. (Look from the other side to check engagement with snib)

1 HOLE - 20mm DIA.

 

FOR TURN

1 HOLE - 20mm DIA.

 

FOR TURN

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