Cisco Catalyst IR8140 Heavy Duty Series Hardware Installation Manual page 104

Installing BBU Assembly or Blank to the Router
Figure 45: BBU Assembly or Blank Mounted on the Router
1
2
3
Step 1
Ensure that BBU gasket is fully installed in the gasket groove and the sealing surface is clean.
Step 2 Ensure the BBU Security Screw is fully backed out (see
Step 3
Align the BBU assembly or blank with the router chassis, note the location of padlock tab.
Step 4 Carefully push the BBU assembly fully into cavity. BBU is self aligning with internal guide pins. Do not leave the BBU
assembly unattended until the M6 bolts have been tightened.
Step 5 Torque M6 bolts with 10mm socket driver. Torque to 15-20 in-lbs in the sequence shown below.
Cisco Catalyst IR8140 Heavy Duty Series Router Hardware Installation Guide
88
BBU gasket
BBU assembly/blank
M6 bolts (4)
4 Padlock tab
5 BBU security screw, in the bottom of
the router
BBU Security Screw, on page
Installing Battery Backup Units
89).