Huawei DBS3900 Installation Manual page 45

RRU3260
Installation Guide


Procedure
Step 1 After climbing up to the tower, technician A secures the fixed pulley to the tower platform
support and leads the lifting sling through the fixed pulley.
Step 2 Technician C binds the mounting kits using the lifting sling and traction sling on the ground,
as shown in
pulls the traction sling outwards to protect the mounting kits from colliding with the tower.
Figure 7-1 Binding mounting kits for the RU
(1) Lifting sling
Step 3 Technician A catches the mounting kits and then unties the slings.
Step 4 Install the mounting kits. For detailed operations, see steps 1 to 3 in
RU.
Step 5 Technician C binds the RU using the lifting sling and traction sling, as shown in
The binding methods in
Issue 05 (2014-06-30)
Place a foam pad or cardboard on the ground to protect the housing of the RU from
damage before the binding. Do not stand the RU upright because the RF ports cannot
support the weight of the RU.
The routing and protection of power cables should follow the local safety regulations,
industry standards, and enterprise standards of the operator.
Figure 7-1. Then technician B pulls the lifting sling downwards, and technician C
Figure 7-3
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7 Hoisting an RU and Related Cables onto a Tower
(2) Traction sling
and Figure 7-4 are incorrect.
8.2.1 Installing a Single
Figure 7-2.
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