1.
After climbing up to the tower, installation engineer A secures the fixed pulley to the tower
platform support and leads the lifting sling through the fixed pulley.
2.
Installation engineer C binds the RRU and mounting kits using the lifting sling and secures
the traction sling to the RRU handle.
3.
Installation engineer B pulls the lifting sling downwards, and installation engineer C pulls
the traction sling outwards to protect the RRU and mounting kits from colliding with the
tower.
4.
Installation engineer A catches the RRU and mounting kits and then unties the sling.
NOTE
The procedure for hoisting the RRU and mounting kits onto the tower is for your reference only.
----End
6.2 Hoisting Fiber Optic Cables onto a Tower
This section describes the procedure for hoisting fiber optic cables onto a tower and the
precautions that must be taken.
Context
Cabling requirements for power cables are met. For details, see
.
Procedure
Step 1
Lead one sling through the stretch sling of the fiber optic cables and use the sling as a lifting
sling, and use the other sling as a traction sling to secure the cables 4 m (13.12 ft.) away from
the lifting sling, as shown in
Figure 6-5
Binding fiber optic cables
(1) Lifting sling
(2) Stretch sling
(3) Traction sling
RRU3201
Installation Guide
6 Hoisting an RRU and Related Cables onto a Tower
Issue 06 (2012-04-16)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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