8) Balancing the spring
- Turn the manual release valve anti-clockwise to
r e l e a s e t h e o p e r a t o r s o t h a t t h e b e a m c a n
be opened and closed manually.
-
-
Tight or untight the spring adjusting bolt locknut so
that the spring reaches a balance point with the
beam at 45° (Fig.12).
-
After balancing fix the spring adjusting bolt
locknut with the bolt and block the operator.
9) Barrier power supply
Now it is possible to power supply the barrier with 115V~
50/60 Hz.
Place the beam at approx. 45° and execute the balancing
with the nuts of Fig.12.
To obtain a correct balancing the beam must be on 45° and
the operator must be unlocked.
NOTE: For the correct balancing of the beam it is
recommended to unhook the piston from the balance
wheel extracting the pivot as in fig.4
Spring bolt
locknut
Spring tension
adjusting bolt
Fig. 13
Unscrew
breather cap
Pressure adjusting
valves
10) Force adjustment
If necessary the piston force can be adjusted by the two adjusting
screws (grey and yellow) placed on the front lower place of the
Hydraulic pump unit (Fig. 13).
*The automation is adjusted at 33 pound force ex works so to guarantee
the anti-crush safety. We recommend to adjust it only in case of
necessity.
Fig. 12
4
5
°
4
5
°
117 (Vela Ind. Series)
International registered trademark n. 2.777.971
SEA USA Inc.
10850 N.W. 21st unit 160 DORAL MIAMI
Florida (FL) 33172
Phone:++1-305.594.1151
Fax: ++1-305.594.7325
Toll Free: 800.689.4716
67410268
11
Rev. 01 - 11/2010
