Squeegee Blade Check And Replacement; Brush/Cylindrical Brush Cleaning; Tank And Vacuum Grid With Float Cleaning; Detergent Tank Cleaning (Optional) - Nilfisk BR 601 Manuel D'utilisation

USER MANUAL
SQUEEGEE BLADE CHECK AND
REPLACEMENT
1. Clean the squeegee as shown in the relevant paragraph.
2. Check that the edges (5 and 12, Fig. F) of the front (17,
Fig. C) and rear blades (18) lay down on the same level,
along all their length; otherwise adjust their height
according to the following procedure:
– Disengage the fastener (6, Fig. F) and loosen the
wing nuts (7) to adjust the rear blade (4); then tighten
the wing nuts and engage the fastener.
– Loosen the wing nuts (8, Fig. F) to adjust the front
blade (3); then tighten the wing nuts.
3. Check the front blade (3, Fig. F) and the rear blade (4)
for integrity, cuts and tears; otherwise replace them
according to the following procedure. Check that the
front corner (9) of the rear blade is not worn; otherwise,
overturn the blade to replace the worn corner with an
integral one. If the other corners are worn too, replace
the blade according to the following procedure.
– To replace (or overturn) the rear blade (4) disengage
the fastener (6), unscrew the wing nuts (7) and
remove the retaining strip (10). Install the blade in the
reverse order of removal.
– To replace the front blade (3) unscrew the wing nuts
(8) and remove the retaining strip (11). Install the
blade in the reverse order of removal.
After replacing (or overturning) the blades, adjust the
blade height as shown in the previous step.
4. Install the squeegee (12, Fig. C) and screw down the
handwheels (15).
5. Connect the vacuum hose (11, Fig. C) to the squeegee
(12).
6. If necessary, adjust the squeegee balance adjusting
handwheel (16, Fig. C).

BRUSH/CYLINDRICAL BRUSH CLEANING

CAUTION!
It is advisable to wear protective gloves when
cleaning the brushes because there may be
sharp debris.
1. Remove the brushes from the machine, as shown in Use
chapter.
2. Clean and wash the brushes with water and detergent.
3. Check the brush bristles for integrity and wear; if
necessary, replace the brushes.
16
TANK AND VACUUM GRID WITH FLOAT
CLEANING
1. Drive the machine to the appointed disposal area.
2. Turn the ignition key (12, Fig. B) to "0".
3. Lift the covers (1 and 13, Fig. I).
4. Clean and wash with clean water the covers (1 and 13,
Fig. I), the tanks (15 and 16) and the grid (5) of the
vacuum automatic shut-off.
Drain the water in the tanks through the hose (10, Fig. C)
and the tap (24).
5. If necessary, release the fasteners (1, Fig. G) and open
the grid (2); recover the float (3), clean all the
components and then reinstall them.
6. Check the tank cover gasket (4, Fig. G) for integrity.
NOTE
The gasket (4, Fig. G) creates vacuum in the
tank, which is necessary for vacuuming the
recovery water.
If necessary replace the gasket (4, Fig. G) by removing
it from its housing (5). When assembling the new gasket,
install the joint (6) in the rear central area, as shown in
the figure.
7. Check the seating surface (7, Fig. G) of the gasket (4) for
integrity and sealing capabilities.
8. Close the covers (1 and 13, Fig. I).

DETERGENT TANK CLEANING (Optional)

If equipped, clean the detergent tank (9, Fig. I) (optional)
according to the following procedure:
– Lift the tank assembly (1, Fig. J).
– Unscrew the union (7, Fig. J) and remove the hose from
the tank (8).
– To remove the tank (8, Fig. J) release the fastener.
– Wash and clean the detergent tank (8, Fig. J) in the
appointed detergent disposal area.
– Install the tank (8, Fig. J) and connect the union (7).
– Carefully close the tank assembly (1, Fig. J).
909 6160 000(2)2006-10 A