Nilfisk-ALTO R 680 B - Manual (Page 82)

ENGLISH USER MANUAL
20 FLOORTEC R 680 B 1463516000(1)2008-05 A
MAIN BROOM HEIGHT CHECK AND
ADJUSTMENT
NOTE
Brooms with harder or softer bristles are available.
This procedure is applicable to all types of brooms.
Check the main broom distance from the fl oor as shown 1.
below:
Drive the machine on a level fl oor. •
Keep the machine stationary, lower the main broom •
and turn it on for a few seconds.
Stop and lift the main broom, then move the machine
•
and switch it off.
Check that the main broom print (A, Fig. 3), along its
•
length, is 2 to 4 cm wide.
If the print (A) is not within specifi cations, adjust the main
broom height according to the following procedure.
Turn the knob (A, Fig. 4) as shown below:
2.
To increase the print width, the knob must be turned •
counter-clockwise.
To decrease the print width, lift the broom with the lever
•
(73) and turn the knob clockwise.
NOTE
The knob can be used both to adjust the print and to
adjust the broom according to the bristle wear.
Perform step 1 again to check the proper adjustment of the 3.
main broom height.
When the broom is too worn to be adjusted, replace it as
4.
shown in the next paragraph.
NOTE
If it is not possible to adjust the print (A, Fig. 3)
properly, because the pressure on the fl oor at the
ends of the broom is different, refer to the Service
Manual.
P100216
Figure 3
A
P100217
Figure 4