Dormakaba 790 Series User Manual

IMPORTANT: Wear Safety glasses before starting the replacement of parts.
790/79 Series Rework Installation Sheet
Current PCB
Switch
Holder
New
Cam
Protective
Bracket
New privacy
Switch
New PCB
1
4 6
A
B
C
D
5
2 3
Remove screw and take out
battery pack
Remove foam, cam & screws and
disconnect cables
Assemble New PCB
Option
Option
Option
Motor (See step 4)
Pass cables in
housing gap
push cables
away from the
screw head
Place the plastic clip to hold the cables
in place. Make sure the clip is not on the
cables before to hold it with the screw
Before placing PCB connect stan-
dard cables and cables for door
option if applicable at orientation
as shown
Use screws
from step 4
Override Switch (See step 4)
Remove PCB
Remove 5 screws and take off the
back plate
Assemble protective bracket and
hold with one of the 5 screws from
step 2
Screw below
center label
Protective
Bracket
790/79 Series LOCK PCB + PRIVACY MECH. PARTS
PK3612_03_19

Dormakaba 790 Series Specifications

General

Voltage	12/24 VDC
Holding Force	1200 lbs
Warranty	Limited Lifetime
Type	Electromagnetic Lock
Series	790 Series

Summary

Rework Installation Steps - Page 1

Step 1: Battery Pack Removal

Remove screw to detach and remove the battery pack.

Step 2: Back Plate Removal

Remove 5 screws to detach the back plate, including the screw below the center label.

Step 3: Protective Bracket Assembly

Assemble the protective bracket and secure it with one screw from step 2.

Step 4: Foam, Cam, and Cable Disconnection

Remove foam, cam, and screws, then disconnect all cables.

Step 5: PCB Removal

Remove the Printed Circuit Board (PCB) from the unit.

Step 6: New PCB Assembly

Assemble the new PCB, connecting standard and option cables, and seating the override switch.

Rework Installation Steps - Page 2

Step 7: Privacy Switch to PCB Connection

Connect the privacy switch to the PCB at the indicated location.

Step 8: Switch Holder Assembly

Assemble the switch holder, ensuring wires pass underneath and the screw head is correctly positioned.

Step 9: Privacy Switch on Holder Assembly

Assemble the privacy switch onto the switch holder, noting the lever orientation.

Step 10: New Cam Assembly

Assemble the new cam, first positioning the switch lever and then the cam.

Step 11: Protective Bracket Removal

Remove the protective bracket, ensuring the spring remains in position.

Step 12: Back Plate Reassembly

Reassemble the back plate using 5 screws, passing cables through and aligning cam and plate.

Step 13: Battery Pack Reassembly

Reassemble the battery pack by securing it with the appropriate screw.