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Installation Manual
Airbridge cBTS3612 CDMA Base Station
support should respectively align with the four holes in the upper plane of the
support U-bar.
2)
Put the spring washer, big plain washer and the insulating washer on the
M12%45 bolts one by one.
3)
Place the bolts with fixed fittings into the four holes and tighten them slightly.
4)
Confirm the levelness of the frame, then cross-fasten the nuts of the lower
support, then tighten the nuts to 45 N
The schematic drawing of the installation is shown in Figure 3-20.
Caution:
Install the insulating plate, insulating covering and the big plain washer as shown in the following figure
to make sure that the cabinet is insulated from the ground.
(1) Insulating plate
(5) Big plain washer Ö12
Figure 3-20 Installation of the lower support
3.4.6 Leveling
Place a level bar vertical on the top-plane of the lower support to check the levelness
of the lower support. Whenever errors exist, add washers beneath the lower support
to adjust the levelness, as shown in Figure 3-20.
&
m with a torque wrench.
(2) Washer
(3) Spring washer Ö12
(6) Insulating covering
(7) The lower support
3-23
Hardware Installation
3 Cabinet Installation
(4) Bolt M12x45
(8) Support U-bar
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