Operating Principles
a)
c)
b)
d)
Before beginning the work, check the ductwork with
a)
LIFA Duct Control (accessory)
equipment and choose the suitable
b)
brushes and nozzles based on the size and
construction of the duct as well as the composition of the removable dirt.
•
Before beginning the work, check
the ductwork
with LIFA Duct Control
(accessory) camera inspection
equipment. There may be air volume
controllers, noise silencers, fire
dampers etc. that can be damaged
during the work.
•
In large rectangular ducts, there might
be supporter poles inside the duct.
Use extra care, when dealing with
ducts equipped with supporters. When
cleaning
large rectangular or round
ducts
the use of LIFA
centering device
(accessory) is highly recommended.
•
Place the machine in a firm position,
entering duct as directly as possible.
•
Choose
a right sized brush
(depending
on the size of the duct and type of dirt).
Make sure that the brush isn’t too small
or big for the duct that is going to be
8
LIFA Special Cleaner 20 / 25 Multi
