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Installation instructions

T900 Tubular Lock

76019012 02/18

www.dormakaba.us

1 - 

INSIDE LEVER ASSEMBLY

2 - 

OUTSIDE LEVER ASSEMBLY

3 - 

SPINDLE/SPRING (2)

4 - 

LATCHBOLT ASSEMBLY

5 - 

LATCH FACEPLATE

6 - 

LATCH/STRIKE SCREWS

7 - 

STRIKE

8 - 

DUST BOX

9 - 

LOCKING PIN (T940 ONLY)

10 -  MOUNTING SCREWS
11 -  INSIDE ROSE

Tools required

Phillips screwdriver
1” hole saw
2-1/8” hole saw
Chisel (wood only)

1

11

10

9

8

7

6

5

4

3

2

3

10

1.1 

Prepare door - use included template

Fig 1 

BACK

SET

5/32”

[4]

DEEP

Ø1”

[25.4]

HOLE

1” or 1-1/8”

[28.6]

2-1/4”

[57.2]

Ø2-1/8”

[54.0]

HOLE

1.2 

Prepare frame for strike plate

Fig 2 

(2) COMBO SCREWS 

T & FL STRIKE - #8-32

ANSI STRIKE - #12-24

1   Tubular lock installation

℄ 

OF LATCH 

FRONT AND 

STRIKE

NOTE: T-strike is typical 

for this lock set.

NOTE: See product 

section of website for 

other available strike 

templates.

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