Lenovo ThinkSystem SE350 Manual page 6

Install Front Mounting Bracket to Rack
Step 1. Open the front bracket and align the front end of the outer rail to
the holes in the rack. Ensure that the front end and rear end of the rail are
at the same horizontal level.
Step 2. Pull the outer rail in the direction as shown until the pins are
inserted into the corresponding holes.
Step 3. Close the front bracket to lock the rail in position.
Note: When install the rail to the vertical rack, use left rail as top rail, and
right rail as bottom rail. Installation methods are the same in both racks.
6 6
Install Rear Screws (optional)
If you want to ship the rack with the
server installed or place the rack in a
vibration-prone area, install the M6
screws into the rear of the rails.