VG4 Modular Camera Series
Installing the Pendant Arm Wall, Corner, and Mast (Pole) Mounts | en
43
Bosch Security Systems, Inc.
Installation Manual
F.01U.216.010 | 8.0 | 2011.02
8.
Loosely tighten the captive screws with the T25 pin-in Torx tool using a diametrically
opposed tightening pattern, until the gap between the bubble support ring and the
housing closes.
Start tightening screw 1, then tighten screw 2. Next, tighten screw 3 and continue to
screw 4. Continue tightening the screws in this pattern.
Note:
Make sure not to overtighten the screws.
Figure 2.25
Bubble Support Ring Tightening Pattern
9.
Tighten the screws again, using the same diametrical pattern, to a torque of 0.90 N-m
(8 in.-lbs). Use a dial-indicator torque screwdriver to check the torque.
10. Begin a second round of tightening, using the same diametrical pattern, until the screws
reach a torque of 1.58 N-m (14 in.-lbs).
11. Continue tightening the screws, using the same diametrical pattern, to reach a torque of
2.26 N-m (20 in.-lbs).
12. Finish tightening the screws, using the same diametrical pattern, to reach a final torque
of 2.71 N-m (24 in.-lbs).
13. Perform a final check, using the same diametrical pattern, of each screw. Adjust any
screw that is below 2.71 N-m (24 in.-lbs) of torque.
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