Nilfisk-Advance America Terra 5200B - Manual (Page 13)

INSTRUCTIONS FOR USE
146 1996 000(2)2004-08 – Terra™ 5200B 11
MAIN BROOM HEIGHT CHECK AND
ADJUSTMENT
1. Check that the main broom is at the correct height
from the ground, proceeding as follows:
– Drive the machine on a level ground;
– Keep the machine stationary and rotate the main
broom for a few seconds;
– Stop and lift the main broom, then move the
machine;
– Check that the main broom print (1, Fig. D), along
its width, is from 0.79 to 1.57 in (20 to 40 mm)
wide.
If the print (1) is different, it is necessary to adjust
the broom height, proceeding as described in the
following steps.
2. Stop the machine by turning the ignition switch (18,
Fig. B) to “0” position.
3. Release the retainer (6, Fig. C) after removing the
related screw by using a screwdriver.
4. Open the left door (5, Fig. C).
5. Loosen the locknut (2, Fig. E).
6. Turn the knob (1, Fig E) and remind that:
– To decrease the pressure of the broom on the
ground, it must be screwed;
– To increase the pressure of the broom on the
ground, it must be unscrewed.
7. Tighten the locknut (2, Fig. E).
8. Perform step 1 again to check the proper adjustment
of the main broom height from the ground.
9. When the broom is too worn and can no longer be
adjusted, replace it according to the instructions in the
following paragraph.
10. Engage the retainer (6) and close the left door (5, Fig.
C).
MAIN BROOM REPLACEMENT
1. Drive the machine on a level ground and engage the
parking brake by means of the pedal and the lever (26
and 19, Fig. B).
2. Turn the ignition switch (18, Fig. B) to “0” position.
3. Open the hood (1, Fig. V) and disconnect the battery
connector (4, Fig. V).
4. Disengage the retainer (8) and open the right door (7,
Fig. C)
5. Unscrew and remove the knobs (1, Fig. F).
6. Remove the broom compartment cover (1, Fig. G).
7. Remove the broom (1, Fig. H).
8. Check that the drive hub (1, Fig. I) is free from dirt or
foreign materials (cords, clothes, etc.) accidentally
rolled up.
9. The new broom must be installed with the bristles
rows positioned as shown in the figure (2, Fig. I).
10. Install the new broom (3, Fig. I) on the machine and
ensure that its flange (4) correctly fits on the related
drive hub (1).
11. Reinstall the broom compartment cover (1, Fig. G)
and screw down the knobs (1, Fig. F).
12. Engage the retainer (8) and close the right door (7,
Fig. C)
13. Carry out the main broom height check and
adjustment, as described in the previous paragraph.
NOTE
Brooms of various hardness are available.
This procedure is applicable to all types of
brooms.
WARNING!
Before opening the left door (5, Fig. C), it is
always necessary to stop the machine to
prevent belt and pulley operation.
NOTE
When the knob is completely unscrewed,
you have reached the maximum pressure of
the broom on the ground.
NOTE
If it is not possible to properly adjust the
print (1, Fig. D), since the broom pressure
differs from one end to another, refer to the
Service Manual for the related adjustment
procedure.
NOTE
Brooms of various hardness are available.
This procedure is applicable to all types of
brooms.
CAUTION!
It is advisable to use protective gloves
when replacing the main broom because
there can be cutting debris between the
bristles.