Maintenance And Adjustments - Nilfisk-ALTO FLOORTEC R 870 Service Manual

Service Manual – Floortec R 870

Maintenance and Adjustments

Main Broom Height Check And Adjustment
Note: Brooms with harder or softer
bristles are available. This
procedure is applicable to all
types of brooms.
1 Check the main broom distance from the ground,
according to the following procedure:
• Drive the machine on a level floor.
• 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), along
its length, is 2 to 4 cm wide.
If the print (A) is not within specifications,
adjust the main broom height according to the
following procedure
2 Turn the knob (B) and consider that:
• to increase the print length, turn the knob
counter-clockwise
• to decrease the print length, lift the broom
with the lever and then turn the knob clock-
wise
0.8 - 1.6 in / 2 - 4 cm
0.8 - 1.6 in / 2 - 4 cm
3
4
5
A
A
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 that the main
broom is at the correct distance from the ground
When the broom is too worn and can no
longer be adjusted, replace it according to the
procedure shown in the relevant paragraph
Note: After the main broom height
has been adjusted, check that
the main broom overload
warning light does not flash in
the first minutes of operation.
Otherwise the main broom
pressure on the ground must
be reduced by means of the
relevant adjusting knob.
If the print (A) cannot be properly adjusted,
because the broom pressure differs from one end
to another, proceed as follows.
B
B
Main Broom System
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P200237