56
Operation
SPB Operation Manual
9. Two, 40mm diameter pins take the vertical load.
They are pushed through the holes in the two ver-
tical ribs on the side of the column and the pins
rest in supports fixed in the floor frames. The pins
should be fitted in the lower floor frame.
Support Pins
Position A
Position B
Figure 21
Support Pins
10.
Metal wedges (8 per frame) absorb the hor-
izontal movement of the mast and these must be
fitted in both floor frames.
Assembly of ladder and back rest
11.
The ladder sections must be removed to fit
the mast on floor frames between floors. The lad
-
ders only need to be fitted where there is no other
access to the working platform.
12.
A suitable back propping scheme must
be employed to support the floor slabs. Schwing
would provide the load calculations for each ap-
plication.
13.
All ladders over 15’ above ground are re-
quired to be caged. All caged ladders are straight
except the caged ladder closest to the ground
which is flared on the end.
If the crane capacity is not sufficient to lift the
boom in one unit, refer to the “Lifting Instruc-
tions”.
Care must be taken that the delivery pipeline is
secured sufficiently before it reaches the mount
-
ings on the boom.
Figure 22
Ladder assembly
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