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Technical Manual NAM-BL4x-MT-EN-C
The information in this document is the property of Automatic Systems and is confidential. The consignee withholds from using it for anything other than the use of the products or the execution of the
project to which they belong and withholds from communicating it to third parties without prior written agreement from Automatic Systems. Document subject to change without prior notice.
Note: All screws must be lubricated before assembly.
Note
: Minimum tightening torques are provided in the illustration’s legend.
Warning
: In the event of removal of the arm assembly, the spring assemblies’ lower fastening axle must be
removed beforehand by removing the pin (57), in order to release the tension in the springs.
1. Turn off the power to the barrier by turning off the circuit breaker (20, Ch. 2.1. ).
2. Unlock the nut (54) and screw the upper bumper (10) as far as possible into the hub (13), in order to
remove the compression constraint on the springs (30), then lift the stirrup (74).
3. Remove the spring assemblies’ lower hinge pin (57).
4. Slowly lower the arm stirrup. If the barrier is equipped with the mechanical locking unlock the system
first by pulling on the electromagnet shank.
5. Place the first arm coupler (70) on the stirrup (74).
Tighten the screws (71), washers (72) and nuts (73).
Place the second arm coupler, if any, into the first (see Arm assembly for BL40).
6. Lift the arm, if needed, unlock the system.
7. Put the lower fastening axle of a single spring assembly back in place.
8. Lower the arm, if needed, unlock the system.
9. Proceed to the mounting of the folding fence assembly, in one of the following ways (see illustrations
on the following pages):
If the folding fence is delivered completely unassembled, or after a repair: Starting with
placing the bracing collar, the first bar kit (9), then alternating white and red bars (11), as well
as connecting bars (1).
If the folding fence is delivered mounted on the various segments of the arm: By assembling
the connecting bars (1) for the various components.
10. Lift the arm, if needed, unlock the system.
11. Replace the second spring assembly’s lower fastening axle and lock it using its hinge pin (57).
12. Adjust the verticality of the arm by tightening loosening the upper bumper (10), then tighten the lock
nut (54).
13. Lower the arm and mount the folding fence’s articulation bar (12).
14. Fasten and, where necessary, tighten the bracing wire (14).