Dorma C500 Installation Instructions Manual

C500 CYLINDRICAL LEVERSET
—

Installation Instructions

76011629 05/15www.dorma.com

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

¾ ” combo screws.

NOTE: Latch fi ller to be used for doors with
1-1/8” face plate prep and 1” latch bore.

3. Install mounting plate & spring cage

3.1 Hold the lock assembly in

place.

3.2 Place the mounting plate
against the door and
secure with two
10-32 x 1-½ ” screws.

3.3 Place the spring cage
assembly onto the
mounting plate and
secure to the door using
two 10-32 x 1-½ ” screws.

NOTE: If installing a non-thru­bolt chassis, secure the spring
cage using two M5-0.5x

⅜ ”

screws.

1

43

Overall Exploded View

4. Install rose & inside lever

4.1 Push the inside rose

onto the spring cage
oriented such that the
rose dimples are on the
sides.

NOTE: Be sure the
lever insert is inserted
into the inside lever
prior to installation.

4.2 Push the inside

lever onto the
spindle until it
clicks into place.

Beveled

edge

sides.

Inside

lever

Inside

rose

Spring

cage

Rose dimple

locations

5. Install strike

5.1 Insert strike as shown, and secure with two

12-24 x ¾ ” combo screws.

Strike part list

1 - 12-24 x

¾ ” combo-screws

2 - Strike plate

5

2

1

8 - Latch sleeve
9 - Latch fi ller plate
10 - Latch

11 - 8-32 x ¾ ” combo
screws (x2)

12 - Mounting plate
13 - 10-32 x 1-½ ” screws (x2)
14 - Spring cage

Tools required for installation

#2

Cross drive screwdriver

Flathead screwdriver

Part List

1 - IC core
2 - Outside IC lever
3 - Outside
conventional
cylinder lever
4 - Conventional
cylinder
5 - Thru-bolt studs
6 - Outside rose
assembly
7 - Lock assembly

screws

.

Mounting

plate

Spring

cage

Slot in
chassis

10-32 x 1-½ ”

screws

2. Install lock assembly

Adjust for door thickness

NOTE: Lock comes adjusted
for 1-¾ ” door from the factory.

2.1 To adjust the lock

assembly for door
thickness, align the
center of the chassis
with the center of the
latch.

2.2 Remove the outside lever
and separate the outside rose
assembly from the
adjustment plate.

2.3 Rotate the adjustment plate
to adjust for proper
door thickness.

2.4 Realign & install the outside
rose assembly. Replace the
outside lever.
(See supplementary
sections II & III.)

2.5 Slide the lock assembly into the face of
the door.

Be sure to engage the inner latch
mechanism of the chassis with the
back of the latch
as shown.

2

Chassis

Latch

mechanism of the chassis with the

as

sho

wn.

Center of

latch

Chassis

Outside rose

assembly

Outside

lever

Outside rose

assembly

Adjustment

plate

ools required for installatio

n

r

oss d

rive screwdriver

Flathead screwdriver

11

109

6

4

3

12

18

13

16

14

19

15 - 10-32 x 1-½ ”
screws (x2)

16 - Inside rose
17 - Lever insert
18 - Inside lever
19 - M5-0.5 x

⅜ ”

screws

Non-thru-bolt installation

Dimple

8

2

11

10

9

6

5

4

1

3

15

18

13

17

16

14

12

7

Thru-bolt installation (preferred)

2

1

7

8

17

te

t in ssi

s

M5-0.5 x ⅜ ”

screws

Thru-bolt

chassis

Non-thru-bolt

chassis

Supplementary Instructions

76011629 05/15 www.dorma.com

Removal

1. Remove the outside lever by inserting

the key, turn clockwise and hold at 90°.
Using the pick, depress the lever catch
through the pick hole and remove the
lever. Remove the key. (Figure 1a & 1b)

2. Remove the lever insert and cylinder.
(Figure 2)

Reinstallation

3. Replace with new cylinder and reinstall

the lever insert. (Figure 2)

Be sure the tailpiece is horizontal.

4. Press the outside lever onto the
spindle until it contacts the lever catch.
(Figure 3)

5. Insert the key into the cylinder, turn
clockwise and hold at 90°. Press the
lever fully onto the spindle until
it clicks into place. Release the
key. (Figure 3)

III. Removing & reassembling interchangeable core lever

IV. Removing & reassembling standard cylinder lever (cylinder changes)

Removal

1. Insert the control key into the IC core,

rotate the key 15° clockwise, and remove
the core and tail piece from the lever.

2. Using a fl athead screwdriver, retract the
lever catch inside the spindle and remove
the lever.

Reinstallation

NOTE: REMOVE the spring from the
IC cylinder tailpiece for 7 pin cores
ON LY.

3. Press the lever onto the spindle until it

snaps into place.

4. Install the tail piece on the core.
Insert the control key into the core,

rotate the key 15° clockwise, push the
core fully into the lever and turn counter
clockwise 15 ° (home position), and
remove the key.

V. C501 Dummy trim installation

1. Remove the temporary screw from

the back of the dummy spring cage and
separate the lever.

2. Separate the rose and the dummy
spring cage.

3. Secure the dummy spring cage to the
door using the two combo screws.

4. Press the rose onto the dummy spring
cage and rotate to lock the rose in
place.

NOTE: Be sure the rose notches
are properly in line with the spring
cage notches.

5. Install the washer (beveled side out)

onto the 1/4-20x2-1/2” screw
and secure the lever through the
opposite side of the door.

IC core

with

tailpiece

IC core lever

IC core

IC core lever

Lever catch

90°

90°

Figure 1a

Figure 1b

Figure 2

Figure 3

Pick hole

Pick

Cylinder

Lever
insert

Tailpiece

(horizontal)

Lever
catch

IC cylinder

tailpiece

II. C580 - Storeroom function

NOTE: Storeroom function has a pushbutton on the inside spindle. A closed lever is
used for the inside to hold the button in a locked position.

Temporary

screw at back of

dummy spring

cage

Washer

Rose

Dummy

spring

cage

1/4-20x2-½ ”

screw

Lever

Spring cage

notches

Rose

notches

Pushbutton

Inside

spindle

Closed inside

lever

I. C570 - Classroom function

TIMING INSTRUCTIONS: Install lock on door. Remove outside lever and cylinder (for
Interchangeable Core locks, leave lever in place and remove core and tail piece)

OUTSIDE OF DOOR:

Rotate key spindle fully counter-clockwise. Install cylinder and lever.
(See steps 4 & 5 in section IV.)

Key

spindle