
Maintenance
29
EN
The prefilter and the microfilter is fixed with a
clamp screw on both sides.
Release the wingnut on both sides and remove
the clamp screws.
•
First remove the microfilter and then the prefil-
ter from the filter compartment.
•
Install a new prefilter so that the opening of
the filter bags shows to the suction opening.
•
Install a microfilter afterwards.
•
Fix the two clamp screws centrally located on
the edges of the filter and tighten the clamp
screws.
Fig 13: Clamp screw with two clamps
NOTE!
The 90° bent sides of the clamp (2) should be po-
sitioned next to the outer wall of the filter com-
partment.
•
Restore the filter cover to its original position
and fix it with the two star screws (fig. 2, part
3).
8.2
Motor
•
Make sure that the cooling fins of the motor
(Fig 2, part 8) are clean. Aspirate the dust and
wipe off dirt.
8.3
Cleaning the hose
•
When the hose is very dirty, remove it from
the SF 300 and clean it with a water hose.
ATTENTION!z
Only connect the hose to the SF 300 again, after it
has dried completely.
90 ° angle
Fig 12: Clamp screw with wing nut (1)
and clamp (2)
1
2