Bosch VG4-100 Series Manual de Instalação descarregar pdf (Página 71)

VG4 Modular Camera Series Installing Roof Parapet and Pipe Mounts | en 71

Bosch Security Systems, Inc. Installation Manual F.01U.162.025 | 6.0 | 2010.03

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 3.23 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.

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 107 108

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Bosch VG4-100 Series Manual de Instalação Página 71