
32
HYDRAULIC WINDSHIELD SYSTEM HWS
The bracket must rest vertically on the slab by the
“screw jack” and NOT by the “Bolt Allen M30x90-8.8
D55”.
For safety reasons, it is VERY IMPORTANT to
follow the following fixing steps in order to assure the
correct transmission of the loads.
STEP
DESCRIPTION
SCHEME
1
Place the “Bracket” in
front
of
the
“Cone
DW20/M30”.
Secure the bracket
with a rope to avoid
failing down
Fix
the
“Bolt
M30”
without tightening at the
end
2
Tight the screw jack until
the bracket lifts up 5mm
from the slab.
Check the position
by the lateral rule of the
bracket.
3
Release the screw jack
one turn.
(Necessary to allow next
step).
STEP
DESCRIPTION
SCHEME
4
Tighten the “Bolt M30”
completely.
5
Check the position
of hte bolt´s head
It must be bellow the
reference line of the
bracket.
NO OK
OK
6
Tighten the screw jack
completely.
Assure that the
screw jack rests on the e
slab.
SELF-CLIMBING BLOCK HWS
Element EQUIVALENT to the “Self-Climbing Block HWS”.
DIFFERENCES and INCOMPATIBILITIES
:
NOT COMPATIBLE with the “Block LT HWS”.
Connection to the mast with
4 bolts
.
Not symmetrical
(assembly according to drawing).
EMBEDDED CONE INTO
THE REINFORCED SLAB
VERTICAL LOAD
TRANSFERRED BY THE
SCREW JACK
TIGHT
TOTALLY
TIGHT
TOTALLY
DOT NOT TIGHT
AT THE END
RELEASE 1
TURN
DO NOT
TIGHT AT
THE END
UP 5mm
UP
5mm
4x Bolt M16x90 DIN931-8.8 (0241690)
4x Nut M16 DIN985-8 (0241608)
Self-Climbing
Block HWS
(1991370)
WORKING LOAD
SLS: 50kN
Security rope