Tank And Vacuum Grid With Float Cleaning, And Cover Gasket Check - Nilfisk BA 451 Bedienungshandbuch

TANK AND VACUUM GRID WITH FLOAT CLEANING, AND COVER GASKET CHECK

1. Drive the machine to the appointed disposal area.
2. (Only for BA 451D and BA 531D): Turn the ignition key (80) to "0".
(Only for BA 451 and BA 531): Turn off the machine by pressing the switch (71) and/or (73).
3. Open the cover (A, Fig. 6) to washing position (L).
4. Wash with clean water the cover (A), the tanks (B and C) and the vacuum grid with automatic shut-off fl oat (D).
Drain the water from the tanks with the hoses (16 and 17).
5. If necessary, release the fasteners (E) and open the grid (D), recover the fl oat (F), clean all the components and then reinstall
them.
6. Check the tank cover gasket (G) for integrity.
NOTE
The gasket (G) creates vacuum in the tank that is necessary for vacuuming the recovery water.
If necessary replace the gasket (G) by removing it from its housing (H). When assembling the new gasket, install the joint (I) in
the rear central area, as shown in the fi gure.
7. Check that the seating surface (J) of the gasket (G) is integral and adequate for the gasket itself.
8. Check the compensation hole (K) for clogging, and clean it if necessary.
NOTE
The hole (K), allowing to compensate the air in the cover air gap, contributes to create vacuum in the tank.
9. Close the cover (A).
A
B
C
BA 451 - BA 451D - BA 531 - BA 531D
L
G
K
I
J
Figure 6
USER MANUAL
G
D
E
F
909 6748 000(3)2010-03 A
ENGLISH
H
E
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