Huawei iSiteC BTS3601C Installation Manual page 116

Installation Manual
iSiteC BTS3601C CDMA Base Station
througth the beam and the fastener, put plain washers, spring washers and nuts
onto the bolt and tighten the nut to a torque of 26.5 N$m with a spanner. The
process is shown in Figure 2-38.
1) Nut M10
4) M10 bolt
7) Metal mast
Figure 2-38 Fixing AC lightning protection box (on metal masts)
Installing the box on pole
1) Fix the box, flashing board and the beam together with M8%25 bolts, spring
washers, plain washers, as shown in Figure 2-37.
2) Place the fixed beam and the box together against the pole. At the other side of the
pole, install another beam and get the pole at the middle between two beams.
Then pull the M12 bolts through the two beams, put plain washers, spring washers
and nuts onto the bolts, and tighten the nuts to a torque of 45 N$m with a spanner,
as shown in Figure 2-39. If the pole is a little bit thin, cut the exposed bolts to keep
the length of the exposed part about 20mm.
2) Spring washer 10
5) Fastener
8) Sun-shading cover
2-38
Hardware Installation
2 Installing Cabinet Hardware
3) Plain washer 10
6) Beam
9) AC lightning protection box