CAUTION
After dismantling the expansion bolt assembly, ensure that the top of the expansion tube
is on the same level as the floor.
Step 4 Align the base, and then install the bolt with the spring washer and flat washer, as shown in
Figure 8-3.
Figure 8-3 Aligning the base
Step 5 Use a level to check the base level. If the base is not level, use adjusting pads to adjust the base
level, as shown in Figure 8-4.
Figure 8-4 Adjusting the base level
(1) Level
(2) Adjusting pad
Step 6 Use a torque wrench to tighten the bolts with the tightening torque of 45 N·m, as shown in
Figure 8-5.
BTS3900A(Ver.B)
Installation Guide 8 Installing the Base
Issue 01 (2011-10-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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