UK
20
BARR500
The BARR524 and BARR526 barriers are supplied without springs, which must be chosen based on the length of the
boom and the accessories fitted on the boom.
Once you have chosen the right springs for the specific installation, follow these simple instructions:
1 -
Release the operator (see the section
MANUAL MANOEUVRE
)
2 -
Move the boom into vertical position by hand.
3 -
Lock the operator.
4 -
Using an Allen wrench, undo the screw
1 (23)
that secures the balancing device to the Cable and using an
appropriate screwdriver remove the radial snap ring
2 (23)
from the bushing.
5 -
Remove the balancing device
3 (23)
from its seat in order to fit the springs.
6 -
There are two types of spring kit: with one spring or with two springs.
The spring guide tube
1 (24)
is always provided and must always be used and fitted first on the rod
6 (24)
of the
balancing device followed by the spring or springs
2
and
3
(24)
.
If fitting two springs, first fit the small one
2 (24)
.
7 -
Reassemble the balancing device screwing the nut
4 (24)
onto the rod
6 (24)
for the height of the nut.
8 -
Lubricate the spring/s with adhesive grease spray.
9 -
Refit the balancing device in its seat using the screw
1 (24)
and the radial snap ring
2 (24)
.
10 - Screw the nut
4 (24)
and the locknut
5 (24)
onto the rod
6 (24)
.
1 -
Ensure that the spring fitted is suitable for the boom used in the specific installation (see
Table 25b
)
2-
Release the operator.
3-
Move the boom to 45° and gently let it go.
4-
If the boom tends to rise or fall, the spring load needs to be adjusted.
5-
Move the boom into vertical position by hand.
6-
Lock the operator.
7-
Unscrew the locknut
3 (25)
8-
Screw down the nut
1 (25)
holding the hexagonal fork
2 (25)
firm with a wrench.
9-
Release the operator.
10- Move the boom to 45° and gently let it go.
11- If the boom remains stationary go to step 12 otherwise repeat the operation from step 8.
12- Screw down the locknut
3 (25)
.
SPRING INSTALLATION
BALANCING DEVICE ADJUSTMENT
Содержание BARR500
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