Installation
34 (72) © Nokia Corporation DN991456
Nokia Proprietary and Confidential Issue 3 en
Fixing the BTS to the mounting rack
1. Hang the BTS on the upper fixing screws, B1 and B2 in Figure 7. Do not
tighten them yet!
2. Position the two offset screws which are attached to the L-beam (on the
back of the cabinet) into the offset screw slots on the lower part of the
mounting rack, as shown in the inset illustration in Figure 7.
3. Tighten the upper BTS fixing screws (B1 and B2 in Figure 7) using a
torque driver and a 4 mm Allen bit with a shaft of at least 60 mm in length.
Tighten the screws to 5.5 Nm (4.06 lb ft).
4. Tighten the offset screws on the L-beam to 12 Nm (8.85 lb ft) using a
torque socket spanner/wrench and a 6 mm Allen bit with an 80 mm
extension. See the inset illustration in Figure 7, which shows the rear view
of the cabinet.
5. If you have removed any of the units, proceed to Chapter 7. If you have not
removed any units, proceed directly to Chapter 8.
6.2 Pole mounting
Pole mounting includes three work phases:
1. Pre-assembling the pole brackets.
2. Installing the pole brackets and the mounting rack on the pole.
3. Fixing the BTS to the mounting rack.
Table 7. Parts and pole diameters required for pole installation
Part Notes
Mounting rack Provided in the BTS
transportation package
Pole mounting kit, containing:
• Small-pole kit: 2 front blocks, 2 back blocks, 4
bolts, 4 square nuts, 4 washers, 4 Allen screws
• Large-pole kit: 2 front blocks, 2 metal bands, 2
locking devices, 4 Allen screws
For poles of diameter:
• Small poles: 60 - 120 mm
(2.4 - 4.7 in)
• Large poles: 120 - 300 mm
(4.7 - 11.8 in)
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