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Appendix
a
Hoisting the eRRU and Mounting Kits
1. Bind the RRU and the main and auxiliary mounting brackets properly using a lifting sling.
CAUTION
• When hoisting the RRU and mounting kits onto the tower,
protect them from colliding with the tower.
• Hoist the RRU onto the tower before it is installed on a pole.
2. Use a fixed pulley to hoist the RRU and mounting kits
onto the tower separately.
NOTE
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 eRRU 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.
The preceding hoisting procedure is for reference only.
Main mounting bracket
Auxiliary mounting bracket
WARNING
Do not hoist only the RRU hander onto the tower. Do
not fasten the lifting sling on the cable cavity hander.
Otherwise, the lifting sling may fall down, thereby
damaging devices or causing personal injuries.
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