Operation
DC 3900L:
Close the bag using the supplied cable ties when
you believe that it has been fi lled to a suitable le-
vel. Attach a further cable tie slightly higher to form
the bottom of the next bag. The fi lled bag is then
cut off, and the machine is ready to be used again.
Changing the bag magazine:
Rotate the holder to the position in which it can
•
be pulled down.
•
Insert a bag magazine into the holder and refi t
it.
Service
With cleaning and maintenance on the machine,
the power cable should be disconnected from the
supply. Fluids should not come into contact with
the motor. When cleaning with fl uids the motor
should be covered to anoid contact.
The fi ne fi lter should be changed at least once per
year. Use only original spare parts. The microfi lter/
HEPA fi lter, should be changed every 300 run-
ning hours. Use breathing protection during a fi lter
change. The operation should be performed in
a closed area. Used fi lters should be sealed in a
plastic sack and disposed of properly.
Check regularly that the electrical cable is not
damaged.
Accessories
Description
Coupling socket
Coupling socket
Hose std Ø=50 per mtr
Microfi lter
Fine fi lter, polyester,
with integrated fi lter cover
Fine fi lter cellulose, with
integrated fi lter cover
•
Cut the 4 tapes that hold the bag magazine
together and pull the inner end of the bag
upwards over the rubber strip. Then secure the
bag with the strap. Pull the outer end over the
holder, and tie a cable tie in place as a bottom
closure.
The DC 3900 should be performance tested at
least once per year because it may be used with
hazardous materials. Worn parts must be repla-
ced. Never compromise the function of the DC
3900, use only original spare parts.
For vacuum motor the typical average life of the
original brushes is 600 - 700 hours. They can then
be exchanged or complete motor/fan replaced.
For 2nd brush set life is ca. 400 hours and for 3rd
brush set ca. 300 hours. After that the commutator
is worn out and the motor needs to be replaced.
Part no
Description
Plastic sack, 50 pieces
2107
2129
Intellibag, 10 pieces/roll
Fold bag longopac
2401
42024
42025
Other accessories — see Dustcontrol catalogue.
42026
DC 3900 - 13
Part no
4314
43619
432177
Part No 94171-C