RRU
Hardware Maintenance Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 4-6 Raising the bottom of the RRU (1)
Replacing an RRU Using Mounting Kit B for a Common RRU
Figure 4-7 Raising the bottom of the RRU (2)
When removing the RRU, hold the RRU handle with one hand and raise the bottom of the
RRU with the other hand.
Step 8 Use an M4 torque screwdriver to tighten the captive screws on the two hoist clamps of the
main bracket to 1.4 N·m (12.39 lbf·in.).
Step 9 When an RRU attachment plate matches its mounting kit, install a new RRU by referring to a
related RRU installation guide. Figure 4-8 shows the scenario where attachment plate B for a
common RRU is installed together with mounting kit A for a common RRU.
Attachment plate A for a common RRU matches mounting kit A for a common RRU, and attachment
plate B for a common RRU matches mounting kit B for a common RRU.
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