User's Manual

Table Of Contents
DIB-500 R4.1 Setup and commissioning
Removing the top cover of the mounting frame
94 Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1
5.4 Removing the top cover of the mounting frame
To perform work in the equipment rack, the top cover of the equipment rack has to be
removed.
Removing the transportation lock – optional, only for VAC or alarm system
expansion
Upon delivery, a transportation lock is installed between the mounting frame and the
upper cover of the equipment rack, retained by the upper cover of the equipment rack.
This transportation lock must be removed prior to/while commissioning the product.
The transport lock can be removed after the upper cover of the equipment rack has
been removed. Keep the transport lock in a safe place, you may need it again for trans-
ports later on.
Proceed as follows to remove the top cover:
Preparation:
The tools, auxiliary means and materials specified must be available, refer to
section 5.2 on page 90.
Carry out the following steps:
Keeping materials
Keep all the materials such as fastening screws in a safe place. You will need them
again.
1. Loosen the mounting screws of the grommet using a size 2 cross-head screw-
driver, refer to Figure 5.2.
Figure 5.2 Top equipment rack cover – grommet mounting screws