49
Operation
SPB Operation Manual
size to allow accesss to personel and equipment.
All personnel must wear the required safety harnesses
and proper equipment must be supplied to those who
will be climbing the mast to carry out the final installa
-
tion.
Precaution should be taken regarding tools being car-
ried to the working platform. The ladders have safety
hoops attached restricting personal on the ladder from
carrying bulky items.
Tools can be lifted to the working platform via rope at-
tached to the handrail and a closed toolbag.
Proper Hardware
Bolts in the mast section, are M36 x 360 cap screws,
10.9 grade. The torque for these bolts is 2,000 Nm or
1,475 ft/lbs for the lubricated type (black finish) and
2,400 Nm or 1,770 ft/lbs for the Dacromet/Geomet type
(Teflon coated). See illustration shown on the following
page.
Lubrication for those with the black finish should be a
molybdenum disulphide grease.
Bolts securing the mast can one be used once. New
hardware must be used with each setup.
10.9
Figure 4
Bolts connecting the mast
Proper pipe clamps are to be used to attach the delivery
line. When the delivery line is attached to the ladder
brackets, plastic support plates are required. Safety
pins must be fitted to all pipe clamps and where re
-
quired “R” clips must be in place (such as the working
platform mounting points).
Maxiumum Allowable Incline
When installing Schwing placing booms on octagonal
masts, lattice towers or similar supports, the base frame
must be completely level in all directions.
The maximum allowable incline of the base frame de-
pends, on the type of placing boom being used, how it’s
fastened, and its overall height.
The table below applies only to the placing booms in-
stalled on Schwing octagonal masts.
Any other type of support must be examined on a case
by case basis.
Mast
Height (H)
Maximum allowable incline (a)
SPB 28
SPB 30 SPB 32 SPB 35
8m
3°
3°
3°
3°
14m
1°
1°
1°
1°
20m
0.2°
0.15°
0.15°
0.2° *
)
H
a
Figure 5
Maximum allowable incline
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