6
Maintenance
See Figure 13. Maintenance is recommended at least once a year. Use
necessary safety equipment.
1.
Check that the hoses are intact. Clean the hose if it is dirty. If necessary
change the hose.
2.
Check the mounting of the arm on wall or ceiling.
3.
Adjust the links if necessary, see Figure 14.
WARNING!
Spring power. Check the function of the spring and spring holder.
4.
Check that the suction capacity in the hood is sufficient.
6.1
Adjusting the links
See Figure 14. Adjusting the links is recommended at least once a year. Use
necessary safety equipment.
•
A. Adjust the inner link.
•
B. Adjust the knee link.
•
C1. Loosen the below.
•
C2. Unscrew the ball joint from the hood.
•
C3. Remove the below.
•
C4. Loosen the two socket head cap screws.
•
C5. Tighten the ball joint using two adjustable spanners.
•
C6. Remount the ball joint at the hood and test the hood movement. If
necessary tighten the ball joint still more.
•
C7. Tighten the two socket head cap screws.
•
C8. Unscrew the ball joint from the hood. Refit the below. Fasten the
bellow at the outer arm cover. Fasten the ball joint at the hood.
NOTE!
The nut securing the hood must be tightened securely.
6.2
Spare parts
Installation, repair and maintenance work is to be carried out by qualified
personnel using only original Nederman spare parts. Contact your nearest
authorized distributor or Nederman for advice on technical service.
Ordering spare parts
When ordering spare parts always state the following:
•
Part number and control number (see the product identification plate).
•
Detail number and name of the spare part (see www.nederman.com).
•
Quantity of the parts required.
Risk of personal injury.
NEX HD
EN
19