Pull line blowing in conduits (ø 18-50 mm)
EZ50 Operating manual version 11/2018
page 14 / 24
8.
Suction mode with EZ50
Only start over to suction mode if the conduit has been blown through and you
cannot blow the pull line in or if the conduit is hard to access.
1. Make sure the conduit is clean inside (water
→
engine damage)
2. Duct ends must be cut off cleanly and evenly
3. If possible, choose higher duct end
4. Make sure line brake is engaged
A
5. Remove the joints / nozzle from the front panel
6. On the rear of the unit, screw in the suction device
B
7. Fit nozzle appropriate to duct diameter (use joints if necessary)
C
8. At the other end of the duct (where device is not in use) position the assistant
with a pull line roll in foil
9. Put the pull line roll in foil on the floor
D
10. Make a small loop (about 2 to 3 cm) in the beginning of the pull line
11. Hold loop in duct for suction flow
12. Place the nozzle in the beginning of the duct
13. Start suction mode: introduce line gradually by hand (wear gloves) until
suction flow gets grip on the line
14. Suck the line through without interruption - approx. 30 sec
(thermal protection switch)
E
15. Stop suction mode once the line has come out at the duct end
16. Apply line brake
17. Cut off the line and sure it to the duct ends
18. Clean grid after each suction
Once you have completed the suction procedure, always remove the suction
device!
