3.4 Handle unit
Follow the procedure below to repair the lock units of the handle unit should they fail.
Make sure to remove the detector and grid frame from the handle unit before performing repairs.
If the detector has a wired connection, also unplug the detector cable.
3.4.1 Replacing the lock units
The same part (Y67-3027) is used for the left and right lock units.
1) Place the handle unit on a flat surface with its underside facing upward.
2) Remove the two screws (XA9-1156) and lift the lock unit off the main frame of the handle
unit.
3) Place the new lock unit in the designated position on the handle unit and secure it in place
with the two screws (XA9-1156).
Double check the positions of the screw holes and latch of the lock unit to ensure that it fits onto
the handle unit properly.
Reference: Tightening torque: 58.8 N-cm (6 kgf-cm)
4. Repair Guide
Lock unit
Part No.: Y67-3027
Use same part for right and
left.
View A
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View A