Vacuum System Motor Filter Cleaning; Solution Filter Cleaning; Fuse Check/Replacement - Nilfisk CA 551 Bedienungshandbuch

VACUUM SYSTEM MOTOR FILTER CLEANING

1. Drive the machine on a level fl oor.
2. Disconnect the power supply cable (3) from the electrical
mains.
3. Remove the recovery tank retaining plate (36).
4. Open the recovery tank.
5. If necessary, drain the water from the tank in order to make
the fi lter visible.
6. Check that the pre-fi lter is clean. If necessary clean it with
water and compressed air, then install it.
7. Perform steps 1, 2, 3 and 4 in the reverse order.

SOLUTION FILTER CLEANING

1. Disconnect the power supply cable (3) from the electrical
mains and place it on the holder (4).
2. Drive the machine on a level fl oor.
3. Close the solution tap (A, Fig. 5) under the machine,
behind the right rear wheel. The tap (A) is closed when it
is in the position (B) and it is open when it is in the position
(C).
4. Remove the transparent cover (D), then remove the fi lter
strainer (E). Clean and install them on the support (F).
NOTE
The fi lter strainer (E) must be correctly positioned on
the housing (G) of the support (F).
5. Open the tap (A).

FUSE CHECK/REPLACEMENT

1. Disconnect the power supply cable (3) from the electrical
mains but do not place it on the holder (4).
2. Move aside the recovery water drain hose (12).
3. Remove the power supply cable (3) from the holder (4).
4. Remove the screws (A, Fig. 6) and carefully move the
panel (B).
5. Check/replace the following fuse:
C) F1 fuse, electronic board: (1 A)
6. Perform steps 2 to 4 in the reverse order.
USER MANUAL
F
E
D
A
B
A
CA 551 909 6754 000(3)2010-03 A
ENGLISH
C
A
B
Figure 5
C
A
A
Figure 6
17
G
E
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