Removal And Installation Of The Device For Holding Down The Modules - Siemens SIMATIC Rack PC 840 Manual

SIMATIC Rack PC 840 Expansions
4.4.1 Removal and Installation of the Device for Holding Down the
Modules
The device for holding down the modules is inserted in two holders. Eleven down
holders are fitted on the device for holding down the modules. These down holders
are fully adjustable to the modules.
Proceed as follows:
1. Open the housing as described in Section 4.1.
2. Pull the device for holding down the modules out of the holders.
3. Fit the expansion modules.
4. Reinsert the device for holding down the modules into the holders.
5. Align the down holders.
Figure 4-8 Removal/Installation of the Device for Holding Down the Modules
Aligning the Holding-Down Device
Proceed as follows to install the holding-down device.
1. Remove the binding screw and push the down holder until it is resting firmly on
the module. The module must now be introduced into the notch.
Caution
No pressure may be exerted on the module!
4-12
Device for-
holding
down the
modules
SIMATIC Rack PC 840 Manual
A5E00104826-03