NORMARC NM 7000 Series, Инструкция по установке и пусконаладке, Страница: 16 / 189

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3.2.3 Diagonal struts
Position and bolt diagonal struts, starting with the shorter, pos. 2, and continuing with the
longer pos. 3 in accordance with pos. 2, 3, and 4, DWG. 16612A3.
3.2.4 Third vertical leg
Repeat the procedure as for 3.2.2 and 3.2.3. Bolt third leg to end of diagonal struts of the
other two legs.
3.2.5 Ladder
Hoist/lift the ladder pos. 20 into the centre of the section, assemble 8 PC’s of brackets pos: 11
and connect them to the ladder acc. dwg. 16612A3. Lift up the ladder, and connect pos. 11 as
shim between the bracing. Don't tighten up the bolts before all brackets are connected and
adjusted.
3.2.6 Locking of nuts
Torque - load nuts as follows: According to general instructions Chapter 3.1 M-12: 75 Nm.
3.3 Middle section
3.3.1 Vertical legs
Repeat procedure as for 3.2.1 and onwards, (except 3.2.2 bottom flanges)
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3.4 Top section
3.4.1 General
Follow steps described under MIDDLE SECTION, except for "section joints" which in this case
is pos. 10.
3.4.2 Horizontal struts
Position and bolt horizontal struts pos 5 at the top of the upper mast section. Ref. dwg.
16612A3.
3.5 Obstruction light
3.5.1 Obstruction light bracket
The obstruction light bracket (pos. 7) is fixed to two of the horizontal struts at the top, pos. 5.
Dwg. 16612A3.