Istruzioni Instructions Anleitungen
17
Adjusting the chain’s tension
The chain’s tension is adjusted directly in the warehouse, however, if you notice that the chain is
slightly slack, adjust, using screws (1) as in example (Fig. 12).
1
Slackening
Tightening
Fig. 12
Ordinary Maintenance
It is advisable, after installation, to carry out checks on the moving parts, at least every 6 months:
•
Check the balance of the arm ( if necessary rebalance the arm adjusting the screwable
rods) (see Fig. 10).
•
Check the correct alignment of the arm.
•
Verifying the tension on the transmission chain.
Every 500,000 manoeuvres carry out a revision of the following parts.
•
Replace the rubber antivibration drums
•
Check that the spring is balanced
•
Check that the body of the barrier is securely grounded, check that the arm is still
tightly attached and check that the motor is still securely fixed.
•
Check the relative functionality and efficiency of the control panel and the safety
accessories.
Fixing accessories:
1
2
Fixing the photocell (optional) Fixing the digital or key pad (optional)
