Figure 6-5
Hoisting the RRU onto the tower
(1) Lifting sling
(2) Fixed pulley
(3) Traction sling
NOTICE
l
The load-bearing capacity of each sling must be greater than 200 kg (441 lb) and the diameter
of each sling must be less than 25 mm (0.98 in.). The angle at the top of the traction sling
(by the knot) must be less than or equal to 60 degrees.
l
When hoisting the RRU and mounting kits onto a tower, protect them from colliding with
the tower and ground.
l
Hoist the RRU onto the tower before it is installed on a pole, angle steel, or U-steel.
Step 7
Technician A catches the RRU hoisted onto the tower.
Step 8
Technician A installs the RRU onto the main bracket and uses an inner hexagon torque
screwdriver to tighten the captive screw into the hole of the attachment plate and main bracket
to 5 N·m (44.25 lbf·in.). For detailed operations, see steps 4 and 5 in
Step 9
Untie the lifting sling and traction sling.
NOTE
The procedure for hoisting the RRU and its mounting kits onto the tower is for your reference only.
----End
RRU3942&RRU3642
Installation Guide
6 Hoisting an RRU and Related Cables onto a Tower
Issue 07 (2013-12-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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