Installing Lower Support - Huawei Airbridge cBTS3612 Installation Manual

Installation Manual
Airbridge cBTS3612 CDMA Base Station
the bolt is completely driven into the floor. Then, put the nut on the bolt and
tighten it until the bolt is expanded slightly so as to avoid it getting loose.
Caution:
Take off the spring washer first before installation, otherwise, it will get invalid when the expansion bolt is
knocked. Carefully knock the bolt into the hole and avoid damaging the threads on the bolt.
II. Installing U-bar Supports
Install and fix the U-bar support as shown in Figure 3-19. Cross-fasten the nuts of the
lower support one by one so as to reduce the stress between the bolts and the lower
support.
(1) Exploded expansion bolt M12x80
(3) Spring washer Ö12
Figure 3-19 Installation of support U-bar
Caution:
The orientation of U-bar support must be correct as shown in Figure 3-19.

3.4.5 Installing Lower support

1) When placing the insulating plate and the lower support of the cabinet on the
U-bar support, four holes in the insulating plate and four holes in the lower
(2) Bolt M12x80
(4) Plain washer Ö12
3-22
Hardware Installation
3 Cabinet Installation