2
T-Series Service Manual
Lock Assembly Index
Function
ANSI A156.2, 1996, Series 4000, Grade 1
Trim
Chassis
FALCON
ANSI
DESCRIPTION
OUTSIDE FUNCTION
INSIDE FUNCTION
T521
F81
Office Lock
Key retracts latch when
button turned.
Turning button locks
outside lever until manually
unlocked. Inside always
free for immediate
egress.
35
15
16 (IC)
T561
F84
Classroom Lock
Outside lever locked or
unlocked by key.
Inside lever is always
unlocked and always
free for immediate
egress.
36
17
18 (IC)
T571
F90
Dormitory Lock
Locked or unlocked
by key. When locked
by key it can only be
unlocked by key.
Push-button locks
outside lever. Turning
lever or closing door
releases button.
Inside lever is always
unlocked and is always
free for immediate
egress.
37
19
20 (IC)
T581
F86
Storeroom Lock
Lever is fixed. Entrance
by key only.
Inside lever is always
unlocked and is always
free for immediate
egress.
38
21
22 (IC)
T851
Storeroom Lock
(Electrified – Fail
Safe)
Lever is continuously
locked electrically.
Unlocked by switch or
power failure. When
locked, key retracts latch.
Inside lever is always
unlocked and is always
free for immediate
egress.
39
23
24 (IC)
T881
Storeroom Lock
(Electrified – Fail
Secure)
Lever is continuously
locked mechanically until
unlocked by electric
current. When locked,
key retracts latch.
Inside lever is always
unlocked and is always
free for immediate
egress.
40
25
26 (IC)
NOTE:
Any function with deadlatch locks latchbolt when door is closed.