Huawei RRU3269 - Page 91

RRU3269
Installation Guide
8 Installing the RRU
Issue Draft B (2018-05-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
83
is higher than or equal to the lowest operating temperature of the RRUs and at least 10°C
(50°F) lower than the highest operating temperature of the RRUs.
For details about the operating temperature of the RRUs, see section "Technical Specifications of RRUs"
in Base Station Technical Description.

Install RRUs from bottom to top and from left to right.

This section describes how to install an RRU in height-unrestricted scenarios. The
procedure for installing an RRU in height-restricted scenarios is the same as that in
height-unrestricted scenarios.

When installing the pole mounting kit, use the M10x50 bolts delivered with the IFS06.

Rubber washers are easily compressed or broken, whereas do not need to be replaced.
Procedure
Step 1 Disassemble the RRU mounting kits, as shown in Figure 8-44.
Figure 8-44 Disassembling the RRU mounting kits
(1) Main
bracket
(2) Square-neck
bolt
(3) Pole installation
bracket
(4) Auxiliary
bracket
(5) Flat washer
(6) Spring washer
(7) Nut
(8) Plastic screw
cap
1. Use an M6 inner hexagon torque screwdriver to remove the four inner hexagon screws
on the pole installation bracket, and remove the main bracket from the pole installation
bracket.
2. Use an M10 torque wrench to loosen the nuts on the two square-neck bolts, and remove
the plastic screw cap, nuts, spring washers, flat washers, square-neck bolts, and pole
installation bracket from the auxiliary bracket.
Step 2 Install the RRU main bracket using the M10x50 bolts delivered with the IFS06. Then tighten
the bolts using an M10 torque socket to 30 N·m (265.52 lbf·in.).