Dorma C300 Installation Instructions

C300 CYLINDRICAL LEVERSET
—
Installation Instructions
Overall Exploded View Overall Exploded View

Tools required for installation

Tools required for installation
#2 Phillips screwdriver #2 Phillips screwdriver
3

Part List

Part List
1
2
1 - Inside lever 1 - Inside lever
2 - Rose
⅜
3 - 10-32 x 1- " screws (x2)
4 - Inside rose insert
5 - Latch
¾
" combo-screws (x2)
6 - 8-32 x
7 - Lock assembly

2. Install lock assembly

Remove inside lever, rose & rose insert
2.1 Pull the inside lever off the assembly and
remove the tag.
2.2 Remove the rose.
2.3 Remove the rose insert.
Chassis
2
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3
4
5

Adjust for door thickness

Install chassis
NOTE: Lock comes adjusted for 1-¾ "
door from the factory. 2.6 Slide the lock assembly into the
2.4 To adjust the lock assembly for
door thickness, align chassis such Be sure to line up the inner
that the center of the chassis is in mechanism of the chassis with the
line with the center line of the back of the latch as shown.
latch.
2.5 Rotate the outside rose assembly to
adjust for proper door thickness. adjust for proper door thickness.
Center
of latch
Outside rose
assembly

1. Install latch

1.1 Place the latch into the door
edge.
Orient such that the beveled
edge of the latch faces the door
jamb.
1.2 Secure with two 8-32 x
combo-screws.
7
6
Beveled edge
1
face of the door.
Chassis
d
door
¾ "

3. Install inside rose insert

3.1 Hold the lock assembly in place.
Orient the rose insert such that
the rose insert notch faces the
door.
3.2 Secure the rose insert to the
chassis using two chassis using two
⅜ ⅜
10-32 x 1- 10-32 x 1- " screws. " screws.
Rose
insert
Latch
3
Rose
insert
notch
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