Schlage A Series, Service Manual

6  •  Schlage  •  A-Series service manual

Lock Assembly Drawing Index

Function

ANSI/BHMA A156.2, 2003, Series 4000, Grade 2

Chassis 

and Trim 

Page

SCHLAGE ANSI DESCRIPTION

OUTSIDE FUNCTION

INSIDE FUNCTION

A10S F75 Passage Latch

Both knobs always unlocked.

8

A25D

Exit Lock

Blank plate outside. 

Inside knob always unlocked. Specify 
door thickness, 1

C\,

" or 1

C\v

".

9

A30D F77 Patio Lock

Push-button locking. Turning inside knob 

or closing door releases button, 

preventing lock-out.

10

A40S F76 Bath/Bedroom 

Privacy Lock

Can be opened from outside with small 

screwdriver when locked with inside 

push-button.

Push-button locking. Turning inside knob 

or closing door releases button.

11

A43D F79 Communicating Lock

Turn-button in outside knob locks and 

unlocks outside knob and inside 

thumbturn.

Inside thumbturn locked and unlocked by 

outside turn-button.

12

A53PD F109 Entrance Lock

Can be opened from outside with small 

screwdriver or emergency release tool.

Push-button locks outside lever. Turning 

inside lever or closing door releases 

button. Inside lever is always free for 

immediate egress.

13

A70PD F84 Classroom Lock

Outside knob locked and unlocked by 

key.

Inside knob is always unlocked.

14

A79PD

Communicating Lock

Locked or unlocked by key from outside.

Inside knob is always unlocked.

15

A80PD F86 Storeroom Lock

Outside knob is fixed. 
Entrance by key only.

Inside knob is always unlocked.

16

A85PD F93 Faculty/Restroom 

Lock (with Indicator 

Cylinder)

Outside knob is fixed. Entrance by key 

only.

Push-button in inside knob activates 

visual occupancy indicator, allowing only 

emergency master key to operate. 

Turning inside knob or closing door 

releases visual occupancy indicator. 

Rotation of inside spanner-button 

provides lock-out feature by keeping 

indicator thrown.

17

A170

Single Dummy

Dummy trim for one side of the door.  

Used fo door pull or as matching inactive 

trim. 

18

Keyed functions available with full size interchangeable core option for Orbit design.